[INFO] fetching crate fmt-cmp 0.1.2...
[INFO] checking fmt-cmp-0.1.2 against 1.95.0 for pr-155915
[INFO] extracting crate fmt-cmp 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate fmt-cmp 0.1.2
[INFO] finished tweaking crates.io crate fmt-cmp 0.1.2
[INFO] tweaked toml for crates.io crate fmt-cmp 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fmt-cmp 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 302ede53887e30fbe3c0d31a94c538a0d0d298a0b08c052ba608e6471daeca2d
[INFO] running `Command { std: "docker" "start" "-a" "302ede53887e30fbe3c0d31a94c538a0d0d298a0b08c052ba608e6471daeca2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "302ede53887e30fbe3c0d31a94c538a0d0d298a0b08c052ba608e6471daeca2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302ede53887e30fbe3c0d31a94c538a0d0d298a0b08c052ba608e6471daeca2d", kill_on_drop: false }`
[INFO] [stdout] 302ede53887e30fbe3c0d31a94c538a0d0d298a0b08c052ba608e6471daeca2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6adb537af56dd488bf0c8e73c275e51595cedb827915287b688650cc3b2c9322
[INFO] running `Command { std: "docker" "start" "-a" "6adb537af56dd488bf0c8e73c275e51595cedb827915287b688650cc3b2c9322", kill_on_drop: false }`
[INFO] [stderr]     Checking fmt-cmp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/int.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 `fmt-cmp` (bench "int") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6adb537af56dd488bf0c8e73c275e51595cedb827915287b688650cc3b2c9322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6adb537af56dd488bf0c8e73c275e51595cedb827915287b688650cc3b2c9322", kill_on_drop: false }`
[INFO] [stdout] 6adb537af56dd488bf0c8e73c275e51595cedb827915287b688650cc3b2c9322
