[INFO] cloning repository https://github.com/nilvon9wo/rust-greatest-common-divisor [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilvon9wo/rust-greatest-common-divisor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilvon9wo%2Frust-greatest-common-divisor", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilvon9wo%2Frust-greatest-common-divisor'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8e41e736426178a7f657009b02d4565c38e2184f [INFO] checking nilvon9wo/rust-greatest-common-divisor against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilvon9wo%2Frust-greatest-common-divisor" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nilvon9wo/rust-greatest-common-divisor on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nilvon9wo/rust-greatest-common-divisor [INFO] finished tweaking git repo https://github.com/nilvon9wo/rust-greatest-common-divisor [INFO] tweaked toml for git repo https://github.com/nilvon9wo/rust-greatest-common-divisor written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/nilvon9wo/rust-greatest-common-divisor already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] 1cf2d737b88ca2f18856c705a2528eb28f9c074cd9c89576cb646f5a898a0f8b [INFO] running `Command { std: "docker" "start" "-a" "1cf2d737b88ca2f18856c705a2528eb28f9c074cd9c89576cb646f5a898a0f8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1cf2d737b88ca2f18856c705a2528eb28f9c074cd9c89576cb646f5a898a0f8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cf2d737b88ca2f18856c705a2528eb28f9c074cd9c89576cb646f5a898a0f8b", kill_on_drop: false }` [INFO] [stdout] 1cf2d737b88ca2f18856c705a2528eb28f9c074cd9c89576cb646f5a898a0f8b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 368158339ffe828ed97305627a3f154f85e2d63f0c3fa5e2431643161ec935ed [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" "368158339ffe828ed97305627a3f154f85e2d63f0c3fa5e2431643161ec935ed", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Checking dtoa v0.2.2 [INFO] [stderr] Checking itoa v0.1.1 [INFO] [stderr] Checking route-recognizer v0.1.12 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking error v0.1.9 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking conduit-mime-types v0.7.3 [INFO] [stderr] Checking serde_json v0.8.6 [INFO] [stderr] Checking iron v0.5.1 [INFO] [stderr] Checking persistent v0.3.0 [INFO] [stderr] Checking router v0.5.1 [INFO] [stderr] Checking bodyparser v0.5.0 [INFO] [stderr] Checking urlencoded v0.5.0 [INFO] [stderr] Checking iron-gcd v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.50s [INFO] running `Command { std: "docker" "inspect" "368158339ffe828ed97305627a3f154f85e2d63f0c3fa5e2431643161ec935ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "368158339ffe828ed97305627a3f154f85e2d63f0c3fa5e2431643161ec935ed", kill_on_drop: false }` [INFO] [stdout] 368158339ffe828ed97305627a3f154f85e2d63f0c3fa5e2431643161ec935ed