[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 master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminEckardt%2Fmetrix" "/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/BenjaminEckardt/metrix on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded ignore v0.2.2
[INFO] [stderr]   Downloaded encode_unicode v0.3.1
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] f9b2b1e3e85076d18e75c1f7b224f68c1d491521e8a1d59ee87024bb141db317
[INFO] running `Command { std: "docker" "start" "-a" "f9b2b1e3e85076d18e75c1f7b224f68c1d491521e8a1d59ee87024bb141db317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9b2b1e3e85076d18e75c1f7b224f68c1d491521e8a1d59ee87024bb141db317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b2b1e3e85076d18e75c1f7b224f68c1d491521e8a1d59ee87024bb141db317", kill_on_drop: false }`
[INFO] [stdout] f9b2b1e3e85076d18e75c1f7b224f68c1d491521e8a1d59ee87024bb141db317
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99dee180bb045a5e3b1ebae5f7fa5c0d4db6adeaa7d2d70caaaf833b5a2a424a
[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" "99dee180bb045a5e3b1ebae5f7fa5c0d4db6adeaa7d2d70caaaf833b5a2a424a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking term v0.4.6
[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 walkdir v1.0.7
[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 regex v0.2.2
[INFO] [stderr]     Checking csv v0.15.0
[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 8.66s
[INFO] running `Command { std: "docker" "inspect" "99dee180bb045a5e3b1ebae5f7fa5c0d4db6adeaa7d2d70caaaf833b5a2a424a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99dee180bb045a5e3b1ebae5f7fa5c0d4db6adeaa7d2d70caaaf833b5a2a424a", kill_on_drop: false }`
[INFO] [stdout] 99dee180bb045a5e3b1ebae5f7fa5c0d4db6adeaa7d2d70caaaf833b5a2a424a