[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#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FE-Neo%2Fmathtools" "/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/E-Neo/mathtools on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9666c2edb93d0a5390bf080a1461572fb8421a729cfd3fdb3e0a5b5705c8f6bd
[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" "9666c2edb93d0a5390bf080a1461572fb8421a729cfd3fdb3e0a5b5705c8f6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9666c2edb93d0a5390bf080a1461572fb8421a729cfd3fdb3e0a5b5705c8f6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9666c2edb93d0a5390bf080a1461572fb8421a729cfd3fdb3e0a5b5705c8f6bd", kill_on_drop: false }`
[INFO] [stdout] 9666c2edb93d0a5390bf080a1461572fb8421a729cfd3fdb3e0a5b5705c8f6bd
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2db7602c7104a813e92667a32d4069ab5c07f0dfd9da4c7a8067477ec00f5807
[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" "2db7602c7104a813e92667a32d4069ab5c07f0dfd9da4c7a8067477ec00f5807", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.3
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]     Checking az v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling derive_more v0.99.11
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "2db7602c7104a813e92667a32d4069ab5c07f0dfd9da4c7a8067477ec00f5807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db7602c7104a813e92667a32d4069ab5c07f0dfd9da4c7a8067477ec00f5807", kill_on_drop: false }`
[INFO] [stdout] 2db7602c7104a813e92667a32d4069ab5c07f0dfd9da4c7a8067477ec00f5807