[INFO] cloning repository https://github.com/Choi-Jungwoo/no-regrets-concurrency-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Choi-Jungwoo/no-regrets-concurrency-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChoi-Jungwoo%2Fno-regrets-concurrency-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChoi-Jungwoo%2Fno-regrets-concurrency-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 301065856e90000dc3899dddfe564202b3efbc73
[INFO] testing Choi-Jungwoo/no-regrets-concurrency-example against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChoi-Jungwoo%2Fno-regrets-concurrency-example" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Choi-Jungwoo/no-regrets-concurrency-example on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Choi-Jungwoo/no-regrets-concurrency-example
[INFO] finished tweaking git repo https://github.com/Choi-Jungwoo/no-regrets-concurrency-example
[INFO] tweaked toml for git repo https://github.com/Choi-Jungwoo/no-regrets-concurrency-example written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/Choi-Jungwoo/no-regrets-concurrency-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0a4ea702ac4ba193baddbd99842d9733558fe39d77f42a255069efcfaa14965
[INFO] running `Command { std: "docker" "start" "-a" "e0a4ea702ac4ba193baddbd99842d9733558fe39d77f42a255069efcfaa14965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0a4ea702ac4ba193baddbd99842d9733558fe39d77f42a255069efcfaa14965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a4ea702ac4ba193baddbd99842d9733558fe39d77f42a255069efcfaa14965", kill_on_drop: false }`
[INFO] [stdout] e0a4ea702ac4ba193baddbd99842d9733558fe39d77f42a255069efcfaa14965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86c6a498bff053f89a98219f2976c1b63d063977522913885f8ecc3ab7150685
[INFO] running `Command { std: "docker" "start" "-a" "86c6a498bff053f89a98219f2976c1b63d063977522913885f8ecc3ab7150685", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling no-regrets-concurrency-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.89s
[INFO] running `Command { std: "docker" "inspect" "86c6a498bff053f89a98219f2976c1b63d063977522913885f8ecc3ab7150685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c6a498bff053f89a98219f2976c1b63d063977522913885f8ecc3ab7150685", kill_on_drop: false }`
[INFO] [stdout] 86c6a498bff053f89a98219f2976c1b63d063977522913885f8ecc3ab7150685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afcf21c9f7bbb0fb1f08a219e3949ab75045f7baa8693f45121d68ddce2199df
[INFO] running `Command { std: "docker" "start" "-a" "afcf21c9f7bbb0fb1f08a219e3949ab75045f7baa8693f45121d68ddce2199df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling no-regrets-concurrency-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "afcf21c9f7bbb0fb1f08a219e3949ab75045f7baa8693f45121d68ddce2199df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afcf21c9f7bbb0fb1f08a219e3949ab75045f7baa8693f45121d68ddce2199df", kill_on_drop: false }`
[INFO] [stdout] afcf21c9f7bbb0fb1f08a219e3949ab75045f7baa8693f45121d68ddce2199df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c110cdf27b4bbdd5f80eaa8daf7a2e1c4b0bb1828b512a62c188ad9fb8ee4f02
[INFO] running `Command { std: "docker" "start" "-a" "c110cdf27b4bbdd5f80eaa8daf7a2e1c4b0bb1828b512a62c188ad9fb8ee4f02", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/no_regrets_concurrency_example-0f97cbaeda507aba)
[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" "c110cdf27b4bbdd5f80eaa8daf7a2e1c4b0bb1828b512a62c188ad9fb8ee4f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c110cdf27b4bbdd5f80eaa8daf7a2e1c4b0bb1828b512a62c188ad9fb8ee4f02", kill_on_drop: false }`
[INFO] [stdout] c110cdf27b4bbdd5f80eaa8daf7a2e1c4b0bb1828b512a62c188ad9fb8ee4f02