[INFO] fetching crate macro_railroad 0.1.8...
[INFO] checking macro_railroad-0.1.8 against 1.95.0 for pr-155915
[INFO] extracting crate macro_railroad 0.1.8 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate macro_railroad 0.1.8
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate macro_railroad 0.1.8
[INFO] tweaked toml for crates.io crate macro_railroad 0.1.8 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate macro_railroad 0.1.8 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate macro_railroad 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded railroad_verification v0.1.0
[INFO] [stderr]   Downloaded tiny-skia-path v0.12.0
[INFO] [stderr]   Downloaded svgtypes v0.16.1
[INFO] [stderr]   Downloaded roxmltree v0.21.1
[INFO] [stderr]   Downloaded railroad v0.3.5
[INFO] [stderr]   Downloaded resvg v0.47.0
[INFO] [stderr]   Downloaded usvg v0.47.0
[INFO] [stderr]   Downloaded kurbo v0.13.0
[INFO] [stderr]   Downloaded tiny-skia v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c31c0851cacc323414354ec2cdf84cf73380e5ca815c4a51d7d61d4cfe2c890d
[INFO] running `Command { std: "docker" "start" "-a" "c31c0851cacc323414354ec2cdf84cf73380e5ca815c4a51d7d61d4cfe2c890d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c31c0851cacc323414354ec2cdf84cf73380e5ca815c4a51d7d61d4cfe2c890d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31c0851cacc323414354ec2cdf84cf73380e5ca815c4a51d7d61d4cfe2c890d", kill_on_drop: false }`
[INFO] [stdout] c31c0851cacc323414354ec2cdf84cf73380e5ca815c4a51d7d61d4cfe2c890d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3db97653e02b393985318b7f323f4c3cef675e24091d01074aac1a136a1d6f44
[INFO] running `Command { std: "docker" "start" "-a" "3db97653e02b393985318b7f323f4c3cef675e24091d01074aac1a136a1d6f44", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking railroad v0.3.5
[INFO] [stderr]     Checking syn v2.0.117
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking railroad_verification v0.1.0
[INFO] [stderr]     Checking macro_railroad v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/quick_error.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `macro_railroad` (bench "quick_error") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3db97653e02b393985318b7f323f4c3cef675e24091d01074aac1a136a1d6f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db97653e02b393985318b7f323f4c3cef675e24091d01074aac1a136a1d6f44", kill_on_drop: false }`
[INFO] [stdout] 3db97653e02b393985318b7f323f4c3cef675e24091d01074aac1a136a1d6f44
