[INFO] cloning repository https://github.com/volodya7292/simple-neural-net
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/volodya7292/simple-neural-net" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolodya7292%2Fsimple-neural-net", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolodya7292%2Fsimple-neural-net'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7397313e967bd2738b3f63aa54ac3ab97ace6e75
[INFO] checking volodya7292/simple-neural-net against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolodya7292%2Fsimple-neural-net" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/volodya7292/simple-neural-net on toolchain 8cf44c88fc5805dc578c5c987397615b47d2e2b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/volodya7292/simple-neural-net
[INFO] finished tweaking git repo https://github.com/volodya7292/simple-neural-net
[INFO] tweaked toml for git repo https://github.com/volodya7292/simple-neural-net written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/volodya7292/simple-neural-net 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" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking volodya7292/simple-neural-net against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolodya7292%2Fsimple-neural-net" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/volodya7292/simple-neural-net on toolchain 8cf44c88fc5805dc578c5c987397615b47d2e2b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/volodya7292/simple-neural-net
[INFO] finished tweaking git repo https://github.com/volodya7292/simple-neural-net
[INFO] tweaked toml for git repo https://github.com/volodya7292/simple-neural-net written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/volodya7292/simple-neural-net 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" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f45f47db77cd6a26d69add82298b4f488be15c9c2b373120ac86208f125831ee
[INFO] running `Command { std: "docker" "start" "-a" "f45f47db77cd6a26d69add82298b4f488be15c9c2b373120ac86208f125831ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f45f47db77cd6a26d69add82298b4f488be15c9c2b373120ac86208f125831ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45f47db77cd6a26d69add82298b4f488be15c9c2b373120ac86208f125831ee", kill_on_drop: false }`
[INFO] [stdout] f45f47db77cd6a26d69add82298b4f488be15c9c2b373120ac86208f125831ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e7b3f51647714ee750048c5b979bec27fc4b07cb86227365a8e1a3cf88e2a65
[INFO] running `Command { std: "docker" "start" "-a" "0e7b3f51647714ee750048c5b979bec27fc4b07cb86227365a8e1a3cf88e2a65", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking wide v0.7.15
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking simple-neural-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.87s
[INFO] running `Command { std: "docker" "inspect" "0e7b3f51647714ee750048c5b979bec27fc4b07cb86227365a8e1a3cf88e2a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7b3f51647714ee750048c5b979bec27fc4b07cb86227365a8e1a3cf88e2a65", kill_on_drop: false }`
[INFO] [stdout] 0e7b3f51647714ee750048c5b979bec27fc4b07cb86227365a8e1a3cf88e2a65