[INFO] cloning repository https://github.com/NicolasSabba/higher-or-lower
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NicolasSabba/higher-or-lower" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasSabba%2Fhigher-or-lower", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasSabba%2Fhigher-or-lower'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05d59da550506f3bd87e4679c773d41102726053
[INFO] checking NicolasSabba/higher-or-lower against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasSabba%2Fhigher-or-lower" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NicolasSabba/higher-or-lower on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NicolasSabba/higher-or-lower
[INFO] finished tweaking git repo https://github.com/NicolasSabba/higher-or-lower
[INFO] tweaked toml for git repo https://github.com/NicolasSabba/higher-or-lower written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/NicolasSabba/higher-or-lower already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ansi-escapes v0.1.0
[INFO] [stderr]   Downloaded log-update v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3c3bb0938da72f8bb7e2a1889312b7f0ab375c616863962b2919a50f5569303a
[INFO] running `Command { std: "docker" "start" "-a" "3c3bb0938da72f8bb7e2a1889312b7f0ab375c616863962b2919a50f5569303a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c3bb0938da72f8bb7e2a1889312b7f0ab375c616863962b2919a50f5569303a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3bb0938da72f8bb7e2a1889312b7f0ab375c616863962b2919a50f5569303a", kill_on_drop: false }`
[INFO] [stdout] 3c3bb0938da72f8bb7e2a1889312b7f0ab375c616863962b2919a50f5569303a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe6a96e8e582822e7d853db1d3f4629276f731cf13eabb6b99f5582fef8edaad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fe6a96e8e582822e7d853db1d3f4629276f731cf13eabb6b99f5582fef8edaad", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi-escapes v0.1.0
[INFO] [stderr]     Checking log-update v0.1.0
[INFO] [stderr]     Checking higher_or_lower v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "fe6a96e8e582822e7d853db1d3f4629276f731cf13eabb6b99f5582fef8edaad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6a96e8e582822e7d853db1d3f4629276f731cf13eabb6b99f5582fef8edaad", kill_on_drop: false }`
[INFO] [stdout] fe6a96e8e582822e7d853db1d3f4629276f731cf13eabb6b99f5582fef8edaad