[INFO] fetching crate tb-303 0.0.0...
[INFO] testing tb-303-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tb-303 0.0.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate tb-303 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 tb-303 0.0.0
[INFO] finished tweaking crates.io crate tb-303 0.0.0
[INFO] tweaked toml for crates.io crate tb-303 0.0.0 written to /workspace/builds/worker-22/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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] d5361a6726e6426a915e7d1871b9c6f666f5100f8693eb7c3ee57c371ac8e4f6
[INFO] running `Command { std: "docker" "start" "-a" "d5361a6726e6426a915e7d1871b9c6f666f5100f8693eb7c3ee57c371ac8e4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5361a6726e6426a915e7d1871b9c6f666f5100f8693eb7c3ee57c371ac8e4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5361a6726e6426a915e7d1871b9c6f666f5100f8693eb7c3ee57c371ac8e4f6", kill_on_drop: false }`
[INFO] [stdout] d5361a6726e6426a915e7d1871b9c6f666f5100f8693eb7c3ee57c371ac8e4f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 63f951a8d87f4e610b7999b288462a907f193ef237c6b670573124868b68ed4b
[INFO] running `Command { std: "docker" "start" "-a" "63f951a8d87f4e610b7999b288462a907f193ef237c6b670573124868b68ed4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tb-303 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "63f951a8d87f4e610b7999b288462a907f193ef237c6b670573124868b68ed4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f951a8d87f4e610b7999b288462a907f193ef237c6b670573124868b68ed4b", kill_on_drop: false }`
[INFO] [stdout] 63f951a8d87f4e610b7999b288462a907f193ef237c6b670573124868b68ed4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 85359c3d2d7b06115f59129649d77ef1c6c0521b7332a351dd3f00c6e64deb8b
[INFO] running `Command { std: "docker" "start" "-a" "85359c3d2d7b06115f59129649d77ef1c6c0521b7332a351dd3f00c6e64deb8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tb-303 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "85359c3d2d7b06115f59129649d77ef1c6c0521b7332a351dd3f00c6e64deb8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85359c3d2d7b06115f59129649d77ef1c6c0521b7332a351dd3f00c6e64deb8b", kill_on_drop: false }`
[INFO] [stdout] 85359c3d2d7b06115f59129649d77ef1c6c0521b7332a351dd3f00c6e64deb8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] f5005f7e745eda97880e6c856785bd51ceff756d30b136fd6b14f78e269ca380
[INFO] running `Command { std: "docker" "start" "-a" "f5005f7e745eda97880e6c856785bd51ceff756d30b136fd6b14f78e269ca380", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tb_303-c6b37867ddb545de)
[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 tb-303
[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" "f5005f7e745eda97880e6c856785bd51ceff756d30b136fd6b14f78e269ca380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5005f7e745eda97880e6c856785bd51ceff756d30b136fd6b14f78e269ca380", kill_on_drop: false }`
[INFO] [stdout] f5005f7e745eda97880e6c856785bd51ceff756d30b136fd6b14f78e269ca380