[INFO] cloning repository https://github.com/eignnx/m-o
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eignnx/m-o" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feignnx%2Fm-o", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feignnx%2Fm-o'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9da13d51a263f80b0f6b76bfd96778f39cc6a420
[INFO] checking eignnx/m-o against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feignnx%2Fm-o" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eignnx/m-o on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eignnx/m-o
[INFO] finished tweaking git repo https://github.com/eignnx/m-o
[INFO] tweaked toml for git repo https://github.com/eignnx/m-o written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/eignnx/m-o already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 8df45d24ac71742d2356aa091aede0c7eebe2caf41fe3caf0433d24c0fbbb3f9
[INFO] running `Command { std: "docker" "start" "-a" "8df45d24ac71742d2356aa091aede0c7eebe2caf41fe3caf0433d24c0fbbb3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8df45d24ac71742d2356aa091aede0c7eebe2caf41fe3caf0433d24c0fbbb3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df45d24ac71742d2356aa091aede0c7eebe2caf41fe3caf0433d24c0fbbb3f9", kill_on_drop: false }`
[INFO] [stdout] 8df45d24ac71742d2356aa091aede0c7eebe2caf41fe3caf0433d24c0fbbb3f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab42ff6a78216447ae7cb867c62a5781d39b5bba81893245ffbdc6bb71ca705e
[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" "ab42ff6a78216447ae7cb867c62a5781d39b5bba81893245ffbdc6bb71ca705e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking typed-arena v1.5.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking pretty v0.6.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]     Checking structopt v0.3.1
[INFO] [stderr]     Checking m-o v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.51s
[INFO] running `Command { std: "docker" "inspect" "ab42ff6a78216447ae7cb867c62a5781d39b5bba81893245ffbdc6bb71ca705e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab42ff6a78216447ae7cb867c62a5781d39b5bba81893245ffbdc6bb71ca705e", kill_on_drop: false }`
[INFO] [stdout] ab42ff6a78216447ae7cb867c62a5781d39b5bba81893245ffbdc6bb71ca705e