[INFO] cloning repository https://github.com/aleksanb/rust-rbn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aleksanb/rust-rbn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksanb%2Frust-rbn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksanb%2Frust-rbn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7dcc734c37b1e23c1f5da6ff326159cb6d91acd0
[INFO] checking aleksanb/rust-rbn against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksanb%2Frust-rbn" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aleksanb/rust-rbn on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aleksanb/rust-rbn
[INFO] finished tweaking git repo https://github.com/aleksanb/rust-rbn
[INFO] tweaked toml for git repo https://github.com/aleksanb/rust-rbn written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/aleksanb/rust-rbn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e8cfbaf4b7968a080e90673175163e604e8f7153a9858a2b8c11c8f564c3862
[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" "0e8cfbaf4b7968a080e90673175163e604e8f7153a9858a2b8c11c8f564c3862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e8cfbaf4b7968a080e90673175163e604e8f7153a9858a2b8c11c8f564c3862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e8cfbaf4b7968a080e90673175163e604e8f7153a9858a2b8c11c8f564c3862", kill_on_drop: false }`
[INFO] [stdout] 0e8cfbaf4b7968a080e90673175163e604e8f7153a9858a2b8c11c8f564c3862
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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] 361f9e6147e2466058e0c0bca51324af16eecaafff0d05a2f81cc167462c1a1c
[INFO] running `Command { std: "docker" "start" "-a" "361f9e6147e2466058e0c0bca51324af16eecaafff0d05a2f81cc167462c1a1c", kill_on_drop: false }`
[INFO] [stderr]     Checking matrixmultiply v0.1.12
[INFO] [stderr]     Checking either v1.0.2
[INFO] [stderr]    Compiling ndarray v0.7.0
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking num_cpus v1.2.0
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking itertools v0.5.6
[INFO] [stderr]     Checking rayon v0.4.3
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]     Checking clap v2.19.1
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.19.1/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 rusty-machine v0.5.2
[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" "361f9e6147e2466058e0c0bca51324af16eecaafff0d05a2f81cc167462c1a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361f9e6147e2466058e0c0bca51324af16eecaafff0d05a2f81cc167462c1a1c", kill_on_drop: false }`
[INFO] [stdout] 361f9e6147e2466058e0c0bca51324af16eecaafff0d05a2f81cc167462c1a1c
