[INFO] cloning repository https://github.com/E-Neo/mathtools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/E-Neo/mathtools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FE-Neo%2Fmathtools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FE-Neo%2Fmathtools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a632ea86a44c6449ced2aa9657b5927c7d79095e
[INFO] checking E-Neo/mathtools against master#8b6b15b877fbceb1ee5d9a5a4746e7515901574a for pr-147294
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FE-Neo%2Fmathtools" "/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/E-Neo/mathtools
[INFO] finished tweaking git repo https://github.com/E-Neo/mathtools
[INFO] tweaked toml for git repo https://github.com/E-Neo/mathtools written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/E-Neo/mathtools on toolchain 8b6b15b877fbceb1ee5d9a5a4746e7515901574a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[INFO] [stderr]       Adding itertools v0.9.0 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.28.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.8
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdc04f99ff28018feebd8d79c247eb8ecfd477b3dcfadac56fcbf874dd55c2bd
[INFO] running `Command { std: "docker" "start" "-a" "fdc04f99ff28018feebd8d79c247eb8ecfd477b3dcfadac56fcbf874dd55c2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdc04f99ff28018feebd8d79c247eb8ecfd477b3dcfadac56fcbf874dd55c2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc04f99ff28018feebd8d79c247eb8ecfd477b3dcfadac56fcbf874dd55c2bd", kill_on_drop: false }`
[INFO] [stdout] fdc04f99ff28018feebd8d79c247eb8ecfd477b3dcfadac56fcbf874dd55c2bd
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5f79026ccb12f5bd51e9862954d6da069c9a47f83e76f9043e1f53337593703
[INFO] running `Command { std: "docker" "start" "-a" "b5f79026ccb12f5bd51e9862954d6da069c9a47f83e76f9043e1f53337593703", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.28.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling derive_more v0.99.20
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b5f79026ccb12f5bd51e9862954d6da069c9a47f83e76f9043e1f53337593703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f79026ccb12f5bd51e9862954d6da069c9a47f83e76f9043e1f53337593703", kill_on_drop: false }`
[INFO] [stdout] b5f79026ccb12f5bd51e9862954d6da069c9a47f83e76f9043e1f53337593703