[INFO] cloning repository https://github.com/jbuitendag/reactive-streams-rs-merry-go-round
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbuitendag/reactive-streams-rs-merry-go-round" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbuitendag%2Freactive-streams-rs-merry-go-round", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbuitendag%2Freactive-streams-rs-merry-go-round'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 152f546adb5f873a66d9f10a95b184ccaaa819c0
[INFO] testing jbuitendag/reactive-streams-rs-merry-go-round against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbuitendag%2Freactive-streams-rs-merry-go-round" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbuitendag/reactive-streams-rs-merry-go-round 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 git repo https://github.com/jbuitendag/reactive-streams-rs-merry-go-round
[INFO] finished tweaking git repo https://github.com/jbuitendag/reactive-streams-rs-merry-go-round
[INFO] tweaked toml for git repo https://github.com/jbuitendag/reactive-streams-rs-merry-go-round written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/jbuitendag/reactive-streams-rs-merry-go-round already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio v0.7.6
[INFO] [stderr]   Downloaded tokio v1.0.1
[INFO] [stderr]   Downloaded bytes v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] f7e7d19bda79fc6ecf05d4d398d826c8b763355c4010257a8813d40603dfa571
[INFO] running `Command { std: "docker" "start" "-a" "f7e7d19bda79fc6ecf05d4d398d826c8b763355c4010257a8813d40603dfa571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7e7d19bda79fc6ecf05d4d398d826c8b763355c4010257a8813d40603dfa571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e7d19bda79fc6ecf05d4d398d826c8b763355c4010257a8813d40603dfa571", kill_on_drop: false }`
[INFO] [stdout] f7e7d19bda79fc6ecf05d4d398d826c8b763355c4010257a8813d40603dfa571
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 970549955bf7f94afe04835371ff35b5ef806d1b6d3bcbc547eb438fbde5712b
[INFO] running `Command { std: "docker" "start" "-a" "970549955bf7f94afe04835371ff35b5ef806d1b6d3bcbc547eb438fbde5712b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling reactive-streams-rs-merry-go-round v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.12s
[INFO] running `Command { std: "docker" "inspect" "970549955bf7f94afe04835371ff35b5ef806d1b6d3bcbc547eb438fbde5712b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970549955bf7f94afe04835371ff35b5ef806d1b6d3bcbc547eb438fbde5712b", kill_on_drop: false }`
[INFO] [stdout] 970549955bf7f94afe04835371ff35b5ef806d1b6d3bcbc547eb438fbde5712b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] ac78306661558be0a1fde6d872cf7b0ba36c9d18ad5fdf2cebaa358dd305b0d3
[INFO] running `Command { std: "docker" "start" "-a" "ac78306661558be0a1fde6d872cf7b0ba36c9d18ad5fdf2cebaa358dd305b0d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling reactive-streams-rs-merry-go-round v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "ac78306661558be0a1fde6d872cf7b0ba36c9d18ad5fdf2cebaa358dd305b0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac78306661558be0a1fde6d872cf7b0ba36c9d18ad5fdf2cebaa358dd305b0d3", kill_on_drop: false }`
[INFO] [stdout] ac78306661558be0a1fde6d872cf7b0ba36c9d18ad5fdf2cebaa358dd305b0d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 4fe21aeb5270ed6df58a0cb349b8091bec4ce07f8b9c6abd95eb5268d259160d
[INFO] running `Command { std: "docker" "start" "-a" "4fe21aeb5270ed6df58a0cb349b8091bec4ce07f8b9c6abd95eb5268d259160d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reactive_streams_rs_merry_go_round-6dc1a7ed8d68ea89)
[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" "4fe21aeb5270ed6df58a0cb349b8091bec4ce07f8b9c6abd95eb5268d259160d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe21aeb5270ed6df58a0cb349b8091bec4ce07f8b9c6abd95eb5268d259160d", kill_on_drop: false }`
[INFO] [stdout] 4fe21aeb5270ed6df58a0cb349b8091bec4ce07f8b9c6abd95eb5268d259160d