[INFO] cloning repository https://github.com/alexander-jackson/logical-evaluator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexander-jackson/logical-evaluator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-jackson%2Flogical-evaluator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-jackson%2Flogical-evaluator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9777973f18628dc00a4d961aa2fe3744f40da76e
[INFO] checking alexander-jackson/logical-evaluator against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-jackson%2Flogical-evaluator" "/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/alexander-jackson/logical-evaluator 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/alexander-jackson/logical-evaluator
[INFO] finished tweaking git repo https://github.com/alexander-jackson/logical-evaluator
[INFO] tweaked toml for git repo https://github.com/alexander-jackson/logical-evaluator written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/alexander-jackson/logical-evaluator 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-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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d34d167228e9dc0480bae56fc4a70b330592c1e3d8b6c71d9bb4c938e2278629
[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" "d34d167228e9dc0480bae56fc4a70b330592c1e3d8b6c71d9bb4c938e2278629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d34d167228e9dc0480bae56fc4a70b330592c1e3d8b6c71d9bb4c938e2278629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34d167228e9dc0480bae56fc4a70b330592c1e3d8b6c71d9bb4c938e2278629", kill_on_drop: false }`
[INFO] [stdout] d34d167228e9dc0480bae56fc4a70b330592c1e3d8b6c71d9bb4c938e2278629
[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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] ee0f98448a7a951ce9435c28a36b6703241f241d4cf147e10aabc1ff3d0cf5b0
[INFO] running `Command { std: "docker" "start" "-a" "ee0f98448a7a951ce9435c28a36b6703241f241d4cf147e10aabc1ff3d0cf5b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking le v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.67s
[INFO] running `Command { std: "docker" "inspect" "ee0f98448a7a951ce9435c28a36b6703241f241d4cf147e10aabc1ff3d0cf5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0f98448a7a951ce9435c28a36b6703241f241d4cf147e10aabc1ff3d0cf5b0", kill_on_drop: false }`
[INFO] [stdout] ee0f98448a7a951ce9435c28a36b6703241f241d4cf147e10aabc1ff3d0cf5b0