[INFO] cloning repository https://github.com/liufuyang/rb62
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liufuyang/rb62" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliufuyang%2Frb62", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliufuyang%2Frb62'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5fb5867ae4eeed8ff6c01b13b94fb7e28e8f4cf
[INFO] checking liufuyang/rb62 against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliufuyang%2Frb62" "/workspace/builds/worker-117/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liufuyang/rb62 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/liufuyang/rb62
[INFO] finished tweaking git repo https://github.com/liufuyang/rb62
[INFO] tweaked toml for git repo https://github.com/liufuyang/rb62 written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] crate git repo https://github.com/liufuyang/rb62 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe9e5512cf75b0dfb05f932f6019bf3b2aaff255ea62bc088af0c49b2fc713f8
[INFO] running `Command { std: "docker" "start" "-a" "fe9e5512cf75b0dfb05f932f6019bf3b2aaff255ea62bc088af0c49b2fc713f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe9e5512cf75b0dfb05f932f6019bf3b2aaff255ea62bc088af0c49b2fc713f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9e5512cf75b0dfb05f932f6019bf3b2aaff255ea62bc088af0c49b2fc713f8", kill_on_drop: false }`
[INFO] [stdout] fe9e5512cf75b0dfb05f932f6019bf3b2aaff255ea62bc088af0c49b2fc713f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b57b94e0bb6f62c89c3a2d831d39a5df36779cc08c110d2c75b4983292e5feab
[INFO] running `Command { std: "docker" "start" "-a" "b57b94e0bb6f62c89c3a2d831d39a5df36779cc08c110d2c75b4983292e5feab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking specialized-div-rem v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rb62 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/bench_test.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rb62` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b57b94e0bb6f62c89c3a2d831d39a5df36779cc08c110d2c75b4983292e5feab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b57b94e0bb6f62c89c3a2d831d39a5df36779cc08c110d2c75b4983292e5feab", kill_on_drop: false }`
[INFO] [stdout] b57b94e0bb6f62c89c3a2d831d39a5df36779cc08c110d2c75b4983292e5feab
