[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 master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChoi-Jungwoo%2Fno-regrets-concurrency-example" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Choi-Jungwoo/no-regrets-concurrency-example on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-5/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c31a4815f168d1f30a25a28517a6bd2820a5b4d2bfbadc187cfc41ab32147ca
[INFO] running `Command { std: "docker" "start" "-a" "2c31a4815f168d1f30a25a28517a6bd2820a5b4d2bfbadc187cfc41ab32147ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c31a4815f168d1f30a25a28517a6bd2820a5b4d2bfbadc187cfc41ab32147ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c31a4815f168d1f30a25a28517a6bd2820a5b4d2bfbadc187cfc41ab32147ca", kill_on_drop: false }`
[INFO] [stdout] 2c31a4815f168d1f30a25a28517a6bd2820a5b4d2bfbadc187cfc41ab32147ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 127e27a5cb36608ba18d919e4065173291789847c56fb5c10de39259089a828f
[INFO] running `Command { std: "docker" "start" "-a" "127e27a5cb36608ba18d919e4065173291789847c56fb5c10de39259089a828f", kill_on_drop: false }`
[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 10.57s
[INFO] running `Command { std: "docker" "inspect" "127e27a5cb36608ba18d919e4065173291789847c56fb5c10de39259089a828f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127e27a5cb36608ba18d919e4065173291789847c56fb5c10de39259089a828f", kill_on_drop: false }`
[INFO] [stdout] 127e27a5cb36608ba18d919e4065173291789847c56fb5c10de39259089a828f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0325360a7881ce80615bfe25317978f09f91ed637e94e1dec15f997820ae833
[INFO] running `Command { std: "docker" "start" "-a" "f0325360a7881ce80615bfe25317978f09f91ed637e94e1dec15f997820ae833", kill_on_drop: false }`
[INFO] [stderr]    Compiling no-regrets-concurrency-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "f0325360a7881ce80615bfe25317978f09f91ed637e94e1dec15f997820ae833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0325360a7881ce80615bfe25317978f09f91ed637e94e1dec15f997820ae833", kill_on_drop: false }`
[INFO] [stdout] f0325360a7881ce80615bfe25317978f09f91ed637e94e1dec15f997820ae833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d71050a279da22abc71df4c0a198644ab878e88eb9cb03732d771b9585b876eb
[INFO] running `Command { std: "docker" "start" "-a" "d71050a279da22abc71df4c0a198644ab878e88eb9cb03732d771b9585b876eb", 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-21025d824fc2af5a)
[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" "d71050a279da22abc71df4c0a198644ab878e88eb9cb03732d771b9585b876eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71050a279da22abc71df4c0a198644ab878e88eb9cb03732d771b9585b876eb", kill_on_drop: false }`
[INFO] [stdout] d71050a279da22abc71df4c0a198644ab878e88eb9cb03732d771b9585b876eb