[INFO] cloning repository https://github.com/Kirdow/kmath-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kirdow/kmath-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKirdow%2Fkmath-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKirdow%2Fkmath-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04b7c3036b559889810d69560fe7c01c2153b8c2
[INFO] checking Kirdow/kmath-rs against master#c880acdd3171dfafdb55be8cd9822a857e99348d for pr-148943
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKirdow%2Fkmath-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kirdow/kmath-rs
[INFO] finished tweaking git repo https://github.com/Kirdow/kmath-rs
[INFO] tweaked toml for git repo https://github.com/Kirdow/kmath-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kirdow/kmath-rs on toolchain c880acdd3171dfafdb55be8cd9822a857e99348d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c880acdd3171dfafdb55be8cd9822a857e99348d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kirdow/kmath-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c880acdd3171dfafdb55be8cd9822a857e99348d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libm v0.2.11
[INFO] [stderr]   Downloaded libc v0.2.161
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.4
[INFO] [stderr]   Downloaded rug v1.26.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c880acdd3171dfafdb55be8cd9822a857e99348d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b1b288a57586c689a77af6fd90b5adfd6c56f8c74ab028d94233eb431faceb1
[INFO] running `Command { std: "docker" "start" "-a" "3b1b288a57586c689a77af6fd90b5adfd6c56f8c74ab028d94233eb431faceb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b1b288a57586c689a77af6fd90b5adfd6c56f8c74ab028d94233eb431faceb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1b288a57586c689a77af6fd90b5adfd6c56f8c74ab028d94233eb431faceb1", kill_on_drop: false }`
[INFO] [stdout] 3b1b288a57586c689a77af6fd90b5adfd6c56f8c74ab028d94233eb431faceb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c880acdd3171dfafdb55be8cd9822a857e99348d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33978e32de75c67188b7aed0215a603c51d76c8a5885346c2683ad48f042a925
[INFO] running `Command { std: "docker" "start" "-a" "33978e32de75c67188b7aed0215a603c51d76c8a5885346c2683ad48f042a925", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.4
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.26.1
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "33978e32de75c67188b7aed0215a603c51d76c8a5885346c2683ad48f042a925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33978e32de75c67188b7aed0215a603c51d76c8a5885346c2683ad48f042a925", kill_on_drop: false }`
[INFO] [stdout] 33978e32de75c67188b7aed0215a603c51d76c8a5885346c2683ad48f042a925