[INFO] cloning repository https://github.com/ambiso/rayon_bug_mwe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ambiso/rayon_bug_mwe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fambiso%2Frayon_bug_mwe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fambiso%2Frayon_bug_mwe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44c753ca9f4a9cc5b117a102773af17a9df78b5f
[INFO] testing ambiso/rayon_bug_mwe against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fambiso%2Frayon_bug_mwe" "/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/ambiso/rayon_bug_mwe on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ambiso/rayon_bug_mwe
[INFO] finished tweaking git repo https://github.com/ambiso/rayon_bug_mwe
[INFO] tweaked toml for git repo https://github.com/ambiso/rayon_bug_mwe written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ambiso/rayon_bug_mwe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8e6f9206300233b2fbf9d232349a756fd0015187acbf9b0073accf4d65aba4b
[INFO] running `Command { std: "docker" "start" "-a" "d8e6f9206300233b2fbf9d232349a756fd0015187acbf9b0073accf4d65aba4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8e6f9206300233b2fbf9d232349a756fd0015187acbf9b0073accf4d65aba4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8e6f9206300233b2fbf9d232349a756fd0015187acbf9b0073accf4d65aba4b", kill_on_drop: false }`
[INFO] [stdout] d8e6f9206300233b2fbf9d232349a756fd0015187acbf9b0073accf4d65aba4b
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e1882cbebb9b96487514a23b2c1659ca52677a491291403e852f6a52c1e810d
[INFO] running `Command { std: "docker" "start" "-a" "8e1882cbebb9b96487514a23b2c1659ca52677a491291403e852f6a52c1e810d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling rayon_bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.64s
[INFO] running `Command { std: "docker" "inspect" "8e1882cbebb9b96487514a23b2c1659ca52677a491291403e852f6a52c1e810d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e1882cbebb9b96487514a23b2c1659ca52677a491291403e852f6a52c1e810d", kill_on_drop: false }`
[INFO] [stdout] 8e1882cbebb9b96487514a23b2c1659ca52677a491291403e852f6a52c1e810d
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7d7dec7e93bc7824c42e5ed37ac226884946e18d0542f0a2c3da5fd1bfedb8a
[INFO] running `Command { std: "docker" "start" "-a" "d7d7dec7e93bc7824c42e5ed37ac226884946e18d0542f0a2c3da5fd1bfedb8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon_bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "d7d7dec7e93bc7824c42e5ed37ac226884946e18d0542f0a2c3da5fd1bfedb8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d7dec7e93bc7824c42e5ed37ac226884946e18d0542f0a2c3da5fd1bfedb8a", kill_on_drop: false }`
[INFO] [stdout] d7d7dec7e93bc7824c42e5ed37ac226884946e18d0542f0a2c3da5fd1bfedb8a
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b10b88d54e5899f9e6b358b964d618d0fb9380526efc18e2fa0f4f912c61415a
[INFO] running `Command { std: "docker" "start" "-a" "b10b88d54e5899f9e6b358b964d618d0fb9380526efc18e2fa0f4f912c61415a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rayon_bug-dd6c8e5996b0d7eb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b10b88d54e5899f9e6b358b964d618d0fb9380526efc18e2fa0f4f912c61415a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10b88d54e5899f9e6b358b964d618d0fb9380526efc18e2fa0f4f912c61415a", kill_on_drop: false }`
[INFO] [stdout] b10b88d54e5899f9e6b358b964d618d0fb9380526efc18e2fa0f4f912c61415a