[INFO] cloning repository https://github.com/eduardosm/rust-fpmath
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eduardosm/rust-fpmath" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduardosm%2Frust-fpmath", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduardosm%2Frust-fpmath'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b3bc5e01e0126194ed28258ff2d79524bf9c0e9
[INFO] checking eduardosm/rust-fpmath/4b3bc5e01e0126194ed28258ff2d79524bf9c0e9 against master#c8551d3c63c51f290cf1dc9dc4714249ea849fd1 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduardosm%2Frust-fpmath" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eduardosm/rust-fpmath
[INFO] finished tweaking git repo https://github.com/eduardosm/rust-fpmath
[INFO] tweaked toml for git repo https://github.com/eduardosm/rust-fpmath written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eduardosm/rust-fpmath on toolchain c8551d3c63c51f290cf1dc9dc4714249ea849fd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eduardosm/rust-fpmath 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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_pcg v0.9.0
[INFO] [stderr]   Downloaded rustc_apfloat v0.2.3+llvm-462a31f5a5ab
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c6038e86aece2e3e38c6101fcfc4ee1c8fd6ec6067139f75ab82847043f355e
[INFO] running `Command { std: "docker" "start" "-a" "4c6038e86aece2e3e38c6101fcfc4ee1c8fd6ec6067139f75ab82847043f355e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c6038e86aece2e3e38c6101fcfc4ee1c8fd6ec6067139f75ab82847043f355e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6038e86aece2e3e38c6101fcfc4ee1c8fd6ec6067139f75ab82847043f355e", kill_on_drop: false }`
[INFO] [stdout] 4c6038e86aece2e3e38c6101fcfc4ee1c8fd6ec6067139f75ab82847043f355e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6b38f1b1045093dafc90e15af62ce9c961041c58d852685e680b520cc8e29f1
[INFO] running `Command { std: "docker" "start" "-a" "c6b38f1b1045093dafc90e15af62ce9c961041c58d852685e680b520cc8e29f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.5
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.27.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking fpmath v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking rand_pcg v0.9.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "c6b38f1b1045093dafc90e15af62ce9c961041c58d852685e680b520cc8e29f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b38f1b1045093dafc90e15af62ce9c961041c58d852685e680b520cc8e29f1", kill_on_drop: false }`
[INFO] [stdout] c6b38f1b1045093dafc90e15af62ce9c961041c58d852685e680b520cc8e29f1