[INFO] fetching crate aktoro-flow-channel 0.0.0...
[INFO] testing aktoro-flow-channel-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate aktoro-flow-channel 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate aktoro-flow-channel 0.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aktoro-flow-channel 0.0.0
[INFO] finished tweaking crates.io crate aktoro-flow-channel 0.0.0
[INFO] tweaked toml for crates.io crate aktoro-flow-channel 0.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83a49c360abbb810cc9a1a91eca67d8883fb8fc3d3939f97c1bf092aa781c361
[INFO] running `Command { std: "docker" "start" "-a" "83a49c360abbb810cc9a1a91eca67d8883fb8fc3d3939f97c1bf092aa781c361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83a49c360abbb810cc9a1a91eca67d8883fb8fc3d3939f97c1bf092aa781c361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a49c360abbb810cc9a1a91eca67d8883fb8fc3d3939f97c1bf092aa781c361", kill_on_drop: false }`
[INFO] [stdout] 83a49c360abbb810cc9a1a91eca67d8883fb8fc3d3939f97c1bf092aa781c361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2f18784134272fdf5b79610ca7df23913e70abe0a9785401432302717bb1829
[INFO] running `Command { std: "docker" "start" "-a" "d2f18784134272fdf5b79610ca7df23913e70abe0a9785401432302717bb1829", kill_on_drop: false }`
[INFO] [stderr]    Compiling aktoro-flow-channel v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "d2f18784134272fdf5b79610ca7df23913e70abe0a9785401432302717bb1829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f18784134272fdf5b79610ca7df23913e70abe0a9785401432302717bb1829", kill_on_drop: false }`
[INFO] [stdout] d2f18784134272fdf5b79610ca7df23913e70abe0a9785401432302717bb1829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75af6758a8234c7316927440b33095392d94d2728ae0f2ff928c691836866a1f
[INFO] running `Command { std: "docker" "start" "-a" "75af6758a8234c7316927440b33095392d94d2728ae0f2ff928c691836866a1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling aktoro-flow-channel v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "75af6758a8234c7316927440b33095392d94d2728ae0f2ff928c691836866a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75af6758a8234c7316927440b33095392d94d2728ae0f2ff928c691836866a1f", kill_on_drop: false }`
[INFO] [stdout] 75af6758a8234c7316927440b33095392d94d2728ae0f2ff928c691836866a1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24fdb7b7549934465cd6c64c2727050f151a3dc553ce02c1e8cfc1b9caf23b1d
[INFO] running `Command { std: "docker" "start" "-a" "24fdb7b7549934465cd6c64c2727050f151a3dc553ce02c1e8cfc1b9caf23b1d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aktoro_flow_channel-38d0793840f2386f)
[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] [stderr]    Doc-tests aktoro-flow-channel
[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" "24fdb7b7549934465cd6c64c2727050f151a3dc553ce02c1e8cfc1b9caf23b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24fdb7b7549934465cd6c64c2727050f151a3dc553ce02c1e8cfc1b9caf23b1d", kill_on_drop: false }`
[INFO] [stdout] 24fdb7b7549934465cd6c64c2727050f151a3dc553ce02c1e8cfc1b9caf23b1d