[INFO] cloning repository https://github.com/ivanburlakov/rust-parallel-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivanburlakov/rust-parallel-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanburlakov%2Frust-parallel-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanburlakov%2Frust-parallel-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d02224903be65225ef6ffda4598b0d908b8632b1
[INFO] checking ivanburlakov/rust-parallel-example against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanburlakov%2Frust-parallel-example" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ivanburlakov/rust-parallel-example on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ivanburlakov/rust-parallel-example
[INFO] finished tweaking git repo https://github.com/ivanburlakov/rust-parallel-example
[INFO] tweaked toml for git repo https://github.com/ivanburlakov/rust-parallel-example written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ivanburlakov/rust-parallel-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e9fe96e2f4ca1af22a0d5a7e2ff5b0e17988e9c38309e7c8e6b54057ace74181
[INFO] running `Command { std: "docker" "start" "-a" "e9fe96e2f4ca1af22a0d5a7e2ff5b0e17988e9c38309e7c8e6b54057ace74181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9fe96e2f4ca1af22a0d5a7e2ff5b0e17988e9c38309e7c8e6b54057ace74181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9fe96e2f4ca1af22a0d5a7e2ff5b0e17988e9c38309e7c8e6b54057ace74181", kill_on_drop: false }`
[INFO] [stdout] e9fe96e2f4ca1af22a0d5a7e2ff5b0e17988e9c38309e7c8e6b54057ace74181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91e53b8c92a54bcaa2cd1dad0a4822fe93a4fc7b8c6afa8a0ae7913b9c1f165c
[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" "91e53b8c92a54bcaa2cd1dad0a4822fe93a4fc7b8c6afa8a0ae7913b9c1f165c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking transpose v0.2.0
[INFO] [stderr]     Checking math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.63s
[INFO] running `Command { std: "docker" "inspect" "91e53b8c92a54bcaa2cd1dad0a4822fe93a4fc7b8c6afa8a0ae7913b9c1f165c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e53b8c92a54bcaa2cd1dad0a4822fe93a4fc7b8c6afa8a0ae7913b9c1f165c", kill_on_drop: false }`
[INFO] [stdout] 91e53b8c92a54bcaa2cd1dad0a4822fe93a4fc7b8c6afa8a0ae7913b9c1f165c