[INFO] cloning repository https://github.com/justinj/last-layer-algs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinj/last-layer-algs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinj%2Flast-layer-algs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinj%2Flast-layer-algs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de67ade8d71983d3212403132647f244448ff666
[INFO] checking justinj/last-layer-algs against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinj%2Flast-layer-algs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justinj/last-layer-algs on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/justinj/last-layer-algs
[INFO] finished tweaking git repo https://github.com/justinj/last-layer-algs
[INFO] tweaked toml for git repo https://github.com/justinj/last-layer-algs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/justinj/last-layer-algs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2da357b5cbc8c191571fc3fdc609cf363078792c00cf5eed0bde9de2e4577a8d
[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" "2da357b5cbc8c191571fc3fdc609cf363078792c00cf5eed0bde9de2e4577a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2da357b5cbc8c191571fc3fdc609cf363078792c00cf5eed0bde9de2e4577a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da357b5cbc8c191571fc3fdc609cf363078792c00cf5eed0bde9de2e4577a8d", kill_on_drop: false }`
[INFO] [stdout] 2da357b5cbc8c191571fc3fdc609cf363078792c00cf5eed0bde9de2e4577a8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1120eb0f1303d0a0def7613d454dc047a568049e894f1f916f3241aeef829b98
[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" "1120eb0f1303d0a0def7613d454dc047a568049e894f1f916f3241aeef829b98", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]     Checking rustc-serialize v0.3.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking unicode-normalization v0.1.2
[INFO] [stderr]     Checking openssl-probe v0.1.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking unicode-segmentation v0.1.2
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking unicode-bidi v0.2.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking clap v2.19.0
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.19.0/src/macros.rs:510:41
[INFO] [stdout]     |
[INFO] [stdout] 510 |     (@arg ($arg:expr) $modes:tt !$ident $($tail:tt)*) => {
[INFO] [stdout]     |                                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]    Compiling libz-sys v1.0.7
[INFO] [stderr]    Compiling curl-sys v0.2.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clap`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1120eb0f1303d0a0def7613d454dc047a568049e894f1f916f3241aeef829b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1120eb0f1303d0a0def7613d454dc047a568049e894f1f916f3241aeef829b98", kill_on_drop: false }`
[INFO] [stdout] 1120eb0f1303d0a0def7613d454dc047a568049e894f1f916f3241aeef829b98