[INFO] cloning repository https://github.com/camuthig/tmust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/camuthig/tmust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamuthig%2Ftmust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamuthig%2Ftmust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4e29ebaf6aa531885f1428328144d26385c44dd
[INFO] checking camuthig/tmust against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamuthig%2Ftmust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/camuthig/tmust on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/camuthig/tmust
[INFO] finished tweaking git repo https://github.com/camuthig/tmust
[INFO] tweaked toml for git repo https://github.com/camuthig/tmust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/camuthig/tmust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb408563527d2923ad505dea21267ba8f75ca4a8b7924af9463f46abbfae1ea2
[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" "cb408563527d2923ad505dea21267ba8f75ca4a8b7924af9463f46abbfae1ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb408563527d2923ad505dea21267ba8f75ca4a8b7924af9463f46abbfae1ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb408563527d2923ad505dea21267ba8f75ca4a8b7924af9463f46abbfae1ea2", kill_on_drop: false }`
[INFO] [stdout] cb408563527d2923ad505dea21267ba8f75ca4a8b7924af9463f46abbfae1ea2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88a2c8294898b8d488d47fb7934d3da2b246dea13de613d1c2c49b99c5cd320d
[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" "88a2c8294898b8d488d47fb7934d3da2b246dea13de613d1c2c49b99c5cd320d", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking bstr v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking serde v1.0.91
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking globset v0.4.3
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking ignore v0.4.7
[INFO] [stderr]     Checking run_script v0.3.1
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking clap-verbosity-flag v0.2.0
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking globwalk v0.3.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking quicli v0.4.0
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking tmust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.91s
[INFO] running `Command { std: "docker" "inspect" "88a2c8294898b8d488d47fb7934d3da2b246dea13de613d1c2c49b99c5cd320d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a2c8294898b8d488d47fb7934d3da2b246dea13de613d1c2c49b99c5cd320d", kill_on_drop: false }`
[INFO] [stdout] 88a2c8294898b8d488d47fb7934d3da2b246dea13de613d1c2c49b99c5cd320d