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Pin proc-macro2 in CI to fix MSRV breakage #2424

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6 changes: 6 additions & 0 deletions ci/ci-tests.sh
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,12 @@ HOST_PLATFORM="$(rustc --version --verbose | grep "host:" | awk '{ print $2 }')"
# The addr2line v0.20 crate (a dependency of `backtrace` starting with 0.3.68) relies on 1.55+
[ "$RUSTC_MINOR_VERSION" -lt 55 ] && cargo update -p backtrace --precise "0.3.67" --verbose

# The quote crate switched to Rust edition 2021 starting with v1.0.31, i.e., has MSRV of 1.56
[ "$RUSTC_MINOR_VERSION" -lt 56 ] && cargo update -p quote --precise "1.0.30" --verbose

# The proc-macro2 crate switched to Rust edition 2021 starting with v1.0.66, i.e., has MSRV of 1.56
[ "$RUSTC_MINOR_VERSION" -lt 56 ] && cargo update -p proc-macro2 --precise "1.0.65" --verbose

# The serde_json crate switched to Rust edition 2021 starting with v1.0.101, i.e., has MSRV of 1.56
[ "$RUSTC_MINOR_VERSION" -lt 56 ] && cargo update -p serde_json --precise "1.0.100" --verbose

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