[INFO] fetching crate concurrently 0.2.0...
[INFO] testing concurrently-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate concurrently 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate concurrently 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concurrently 0.2.0
[INFO] finished tweaking crates.io crate concurrently 0.2.0
[INFO] tweaked toml for crates.io crate concurrently 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate concurrently 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] c7af35ed7d534263ed811d925aa350a5d2163f18ecee51fdf75e6558157dc5a9
[INFO] running `Command { std: "docker" "start" "-a" "c7af35ed7d534263ed811d925aa350a5d2163f18ecee51fdf75e6558157dc5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7af35ed7d534263ed811d925aa350a5d2163f18ecee51fdf75e6558157dc5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7af35ed7d534263ed811d925aa350a5d2163f18ecee51fdf75e6558157dc5a9", kill_on_drop: false }`
[INFO] [stdout] c7af35ed7d534263ed811d925aa350a5d2163f18ecee51fdf75e6558157dc5a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] 6516da49a7e07e79f4666893340b7a6e91562cbd4278c65683156b0b5b44f4a9
[INFO] running `Command { std: "docker" "start" "-a" "6516da49a7e07e79f4666893340b7a6e91562cbd4278c65683156b0b5b44f4a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling futures-sink v0.3.18
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-rc.4
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling clap v3.0.0-rc.4
[INFO] [stderr]    Compiling futures-executor v0.3.18
[INFO] [stderr]    Compiling futures v0.3.18
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling cargo_toml v0.10.2
[INFO] [stderr]    Compiling concurrently v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "6516da49a7e07e79f4666893340b7a6e91562cbd4278c65683156b0b5b44f4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6516da49a7e07e79f4666893340b7a6e91562cbd4278c65683156b0b5b44f4a9", kill_on_drop: false }`
[INFO] [stdout] 6516da49a7e07e79f4666893340b7a6e91562cbd4278c65683156b0b5b44f4a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17971d7a3b929e6c0823b7b023231324184addbb708f7dd6dd41bcf783211c9c
[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" "17971d7a3b929e6c0823b7b023231324184addbb708f7dd6dd41bcf783211c9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrently v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/concurrently-4d9b36f5d0aa3d7d)
[INFO] running `Command { std: "docker" "inspect" "17971d7a3b929e6c0823b7b023231324184addbb708f7dd6dd41bcf783211c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17971d7a3b929e6c0823b7b023231324184addbb708f7dd6dd41bcf783211c9c", kill_on_drop: false }`
[INFO] [stdout] 17971d7a3b929e6c0823b7b023231324184addbb708f7dd6dd41bcf783211c9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 50d974ff2e0c408b32a604add3f9e9066c1bfc6393d22284eecc0fe42bbde439
[INFO] running `Command { std: "docker" "start" "-a" "50d974ff2e0c408b32a604add3f9e9066c1bfc6393d22284eecc0fe42bbde439", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concurrently-4d9b36f5d0aa3d7d)
[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" "50d974ff2e0c408b32a604add3f9e9066c1bfc6393d22284eecc0fe42bbde439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d974ff2e0c408b32a604add3f9e9066c1bfc6393d22284eecc0fe42bbde439", kill_on_drop: false }`
[INFO] [stdout] 50d974ff2e0c408b32a604add3f9e9066c1bfc6393d22284eecc0fe42bbde439