[INFO] cloning repository https://github.com/BenjaminEckardt/metrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenjaminEckardt/metrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminEckardt%2Fmetrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminEckardt%2Fmetrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b67938ab2eb0456347651d6a96f2911470bea5b
[INFO] checking BenjaminEckardt/metrix against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminEckardt%2Fmetrix" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BenjaminEckardt/metrix on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BenjaminEckardt/metrix
[INFO] finished tweaking git repo https://github.com/BenjaminEckardt/metrix
[INFO] tweaked toml for git repo https://github.com/BenjaminEckardt/metrix written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/BenjaminEckardt/metrix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.2
[INFO] [stderr]   Downloaded ignore v0.2.2
[INFO] [stderr]   Downloaded fnv v1.0.5
[INFO] [stderr]   Downloaded globset v0.2.0
[INFO] [stderr]   Downloaded crossbeam v0.2.10
[INFO] [stderr]   Downloaded csv v0.15.0
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded libc v0.2.31
[INFO] [stderr]   Downloaded encode_unicode v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ee57bc11237ab6a5120fbb3d26932d9451ed33e6e562cefea333bfd371d02cb
[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" "3ee57bc11237ab6a5120fbb3d26932d9451ed33e6e562cefea333bfd371d02cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ee57bc11237ab6a5120fbb3d26932d9451ed33e6e562cefea333bfd371d02cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee57bc11237ab6a5120fbb3d26932d9451ed33e6e562cefea333bfd371d02cb", kill_on_drop: false }`
[INFO] [stdout] 3ee57bc11237ab6a5120fbb3d26932d9451ed33e6e562cefea333bfd371d02cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 79b231e350a782a0962038db6096667e015d1e2326cbe8a97a63fd25627b5f7e
[INFO] running `Command { std: "docker" "start" "-a" "79b231e350a782a0962038db6096667e015d1e2326cbe8a97a63fd25627b5f7e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking encode_unicode v0.3.1
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[INFO] [stderr]     Checking globset v0.2.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking ignore v0.2.2
[INFO] [stderr]     Checking metrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.53s
[INFO] running `Command { std: "docker" "inspect" "79b231e350a782a0962038db6096667e015d1e2326cbe8a97a63fd25627b5f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b231e350a782a0962038db6096667e015d1e2326cbe8a97a63fd25627b5f7e", kill_on_drop: false }`
[INFO] [stdout] 79b231e350a782a0962038db6096667e015d1e2326cbe8a97a63fd25627b5f7e