[INFO] fetching crate isbn 0.8.20260503...
[INFO] checking isbn-0.8.20260503 against 1.95.0 for pr-155915
[INFO] extracting crate isbn 0.8.20260503 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate isbn 0.8.20260503
[INFO] finished tweaking crates.io crate isbn 0.8.20260503
[INFO] tweaked toml for crates.io crate isbn 0.8.20260503 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate isbn 0.8.20260503 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 isbn 0.8.20260503 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]  Downloading crates ...
[INFO] [stderr]   Downloaded codegen v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bef026fee560958ed602c51556ff2e815e9223c17b71836914d62d59c07942e2
[INFO] running `Command { std: "docker" "start" "-a" "bef026fee560958ed602c51556ff2e815e9223c17b71836914d62d59c07942e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bef026fee560958ed602c51556ff2e815e9223c17b71836914d62d59c07942e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef026fee560958ed602c51556ff2e815e9223c17b71836914d62d59c07942e2", kill_on_drop: false }`
[INFO] [stdout] bef026fee560958ed602c51556ff2e815e9223c17b71836914d62d59c07942e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 61c5dda3c855facd91954b3f806b3451ad87f9550b51ff22760a2efb34b33574
[INFO] running `Command { std: "docker" "start" "-a" "61c5dda3c855facd91954b3f806b3451ad87f9550b51ff22760a2efb34b33574", kill_on_drop: false }`
[INFO] [stderr]    Compiling roxmltree v0.21.1
[INFO] [stderr]    Compiling codegen v0.3.0
[INFO] [stderr]    Compiling isbn v0.8.20260503 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench_new.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench_convert.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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 `isbn` (bench "bench_new") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `isbn` (bench "bench_convert") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "61c5dda3c855facd91954b3f806b3451ad87f9550b51ff22760a2efb34b33574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c5dda3c855facd91954b3f806b3451ad87f9550b51ff22760a2efb34b33574", kill_on_drop: false }`
[INFO] [stdout] 61c5dda3c855facd91954b3f806b3451ad87f9550b51ff22760a2efb34b33574
