[INFO] cloning repository https://github.com/M1cha/rust-verbug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/M1cha/rust-verbug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM1cha%2Frust-verbug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM1cha%2Frust-verbug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 226ff6df6ef83cf95c6f9635e4aa87a6f930bf46
[INFO] checking M1cha/rust-verbug against master#8a97b4812a7a46bb5206487c2455b9c5bfcbd1b9 for pr-106073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM1cha%2Frust-verbug" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/M1cha/rust-verbug on toolchain 8a97b4812a7a46bb5206487c2455b9c5bfcbd1b9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a97b4812a7a46bb5206487c2455b9c5bfcbd1b9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/M1cha/rust-verbug
[INFO] finished tweaking git repo https://github.com/M1cha/rust-verbug
[INFO] tweaked toml for git repo https://github.com/M1cha/rust-verbug written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/M1cha/rust-verbug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a97b4812a7a46bb5206487c2455b9c5bfcbd1b9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded lapacke v0.2.0
[INFO] [stderr]   Downloaded lapacke-sys v0.1.4
[INFO] [stderr]   Downloaded blas-src v0.6.1
[INFO] [stderr]   Downloaded cauchy v0.2.2
[INFO] [stderr]   Downloaded lapack-src v0.6.0
[INFO] [stderr]   Downloaded blas-src v0.2.1
[INFO] [stderr]   Downloaded ndarray-linalg v0.12.1
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded openblas-src v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:9db6adea6fe108e8475f2314ed6ea91319efc655499b550640da2809d69ffe6a" "/opt/rustwide/cargo-home/bin/cargo" "+8a97b4812a7a46bb5206487c2455b9c5bfcbd1b9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9090c5ecd35afc848d65e0b28fe179d1938f38a620c8adcbb0e0a85fff632df
[INFO] running `Command { std: "docker" "start" "-a" "b9090c5ecd35afc848d65e0b28fe179d1938f38a620c8adcbb0e0a85fff632df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9090c5ecd35afc848d65e0b28fe179d1938f38a620c8adcbb0e0a85fff632df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9090c5ecd35afc848d65e0b28fe179d1938f38a620c8adcbb0e0a85fff632df", kill_on_drop: false }`
[INFO] [stdout] b9090c5ecd35afc848d65e0b28fe179d1938f38a620c8adcbb0e0a85fff632df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:9db6adea6fe108e8475f2314ed6ea91319efc655499b550640da2809d69ffe6a" "/opt/rustwide/cargo-home/bin/cargo" "+8a97b4812a7a46bb5206487c2455b9c5bfcbd1b9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff6ac02b916948a8945ae1424235a458e84c53f109caf3c9c93ff0bd7f932725
[INFO] running `Command { std: "docker" "start" "-a" "ff6ac02b916948a8945ae1424235a458e84c53f109caf3c9c93ff0bd7f932725", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]    Compiling openblas-src v0.9.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking blas-src v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking lapack-src v0.6.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking lapacke-sys v0.1.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking lapacke v0.2.0
[INFO] [stderr]     Checking cauchy v0.2.2
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "ff6ac02b916948a8945ae1424235a458e84c53f109caf3c9c93ff0bd7f932725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff6ac02b916948a8945ae1424235a458e84c53f109caf3c9c93ff0bd7f932725", kill_on_drop: false }`
[INFO] [stdout] ff6ac02b916948a8945ae1424235a458e84c53f109caf3c9c93ff0bd7f932725