[INFO] fetching crate tower-tracing 0.0.0...
[INFO] testing tower-tracing-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tower-tracing 0.0.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate tower-tracing 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 tower-tracing 0.0.0
[INFO] finished tweaking crates.io crate tower-tracing 0.0.0
[INFO] tweaked toml for crates.io crate tower-tracing 0.0.0 written to /workspace/builds/worker-21/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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 49d87bfe5357180fa068657e4d00c0f5f66269175fe6a36118ea530c815f38f5
[INFO] running `Command { std: "docker" "start" "-a" "49d87bfe5357180fa068657e4d00c0f5f66269175fe6a36118ea530c815f38f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49d87bfe5357180fa068657e4d00c0f5f66269175fe6a36118ea530c815f38f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d87bfe5357180fa068657e4d00c0f5f66269175fe6a36118ea530c815f38f5", kill_on_drop: false }`
[INFO] [stdout] 49d87bfe5357180fa068657e4d00c0f5f66269175fe6a36118ea530c815f38f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 0d832ffdfbd17cf4ee10e1456e9dc8b162458fdbc27d2313270f9da5cc67b289
[INFO] running `Command { std: "docker" "start" "-a" "0d832ffdfbd17cf4ee10e1456e9dc8b162458fdbc27d2313270f9da5cc67b289", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-tracing v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "0d832ffdfbd17cf4ee10e1456e9dc8b162458fdbc27d2313270f9da5cc67b289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d832ffdfbd17cf4ee10e1456e9dc8b162458fdbc27d2313270f9da5cc67b289", kill_on_drop: false }`
[INFO] [stdout] 0d832ffdfbd17cf4ee10e1456e9dc8b162458fdbc27d2313270f9da5cc67b289
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 9de389fe9668e57dfbcb392a5357bdb5a85a461dfefc4eb4f40e3c5a83f84322
[INFO] running `Command { std: "docker" "start" "-a" "9de389fe9668e57dfbcb392a5357bdb5a85a461dfefc4eb4f40e3c5a83f84322", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-tracing v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "9de389fe9668e57dfbcb392a5357bdb5a85a461dfefc4eb4f40e3c5a83f84322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9de389fe9668e57dfbcb392a5357bdb5a85a461dfefc4eb4f40e3c5a83f84322", kill_on_drop: false }`
[INFO] [stdout] 9de389fe9668e57dfbcb392a5357bdb5a85a461dfefc4eb4f40e3c5a83f84322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 10206b1f1905b4c31aa4893438fa1892100e1f3a2e7f109632b3dae2999c632e
[INFO] running `Command { std: "docker" "start" "-a" "10206b1f1905b4c31aa4893438fa1892100e1f3a2e7f109632b3dae2999c632e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tower_tracing-dbf866b8bb12d357)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests tower-tracing
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "10206b1f1905b4c31aa4893438fa1892100e1f3a2e7f109632b3dae2999c632e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10206b1f1905b4c31aa4893438fa1892100e1f3a2e7f109632b3dae2999c632e", kill_on_drop: false }`
[INFO] [stdout] 10206b1f1905b4c31aa4893438fa1892100e1f3a2e7f109632b3dae2999c632e