[INFO] fetching crate tracing-coz 0.1.1...
[INFO] testing tracing-coz-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tracing-coz 0.1.1 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate tracing-coz 0.1.1 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 tracing-coz 0.1.1
[INFO] finished tweaking crates.io crate tracing-coz 0.1.1
[INFO] tweaked toml for crates.io crate tracing-coz 0.1.1 written to /workspace/builds/worker-23/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coz v0.1.3
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded chashmap v2.2.2
[INFO] [stderr]   Downloaded parking_lot v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 3c21fd492c0133d1dd421657daedae1a199ea29f5784c5929998771bd0507afe
[INFO] running `Command { std: "docker" "start" "-a" "3c21fd492c0133d1dd421657daedae1a199ea29f5784c5929998771bd0507afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c21fd492c0133d1dd421657daedae1a199ea29f5784c5929998771bd0507afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c21fd492c0133d1dd421657daedae1a199ea29f5784c5929998771bd0507afe", kill_on_drop: false }`
[INFO] [stdout] 3c21fd492c0133d1dd421657daedae1a199ea29f5784c5929998771bd0507afe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] eb1c741405cd839c1b3a4752f5f5765c082ad765635f5b0fb72d12a1563c04be
[INFO] running `Command { std: "docker" "start" "-a" "eb1c741405cd839c1b3a4752f5f5765c082ad765635f5b0fb72d12a1563c04be", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling coz v0.1.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling chashmap v2.2.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.19
[INFO] [stderr]    Compiling tracing v0.1.31
[INFO] [stderr]    Compiling tracing-coz v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.23s
[INFO] running `Command { std: "docker" "inspect" "eb1c741405cd839c1b3a4752f5f5765c082ad765635f5b0fb72d12a1563c04be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb1c741405cd839c1b3a4752f5f5765c082ad765635f5b0fb72d12a1563c04be", kill_on_drop: false }`
[INFO] [stdout] eb1c741405cd839c1b3a4752f5f5765c082ad765635f5b0fb72d12a1563c04be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] b53f4b6252314fceb18c48966a57f8b1c745a94b6aaa52a8f037af7ff9d346a5
[INFO] running `Command { std: "docker" "start" "-a" "b53f4b6252314fceb18c48966a57f8b1c745a94b6aaa52a8f037af7ff9d346a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-coz v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "b53f4b6252314fceb18c48966a57f8b1c745a94b6aaa52a8f037af7ff9d346a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53f4b6252314fceb18c48966a57f8b1c745a94b6aaa52a8f037af7ff9d346a5", kill_on_drop: false }`
[INFO] [stdout] b53f4b6252314fceb18c48966a57f8b1c745a94b6aaa52a8f037af7ff9d346a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] faf5aa544f2e376dd54155c5226cd8e949f4c6f0aef820ece4bc247e978f489d
[INFO] running `Command { std: "docker" "start" "-a" "faf5aa544f2e376dd54155c5226cd8e949f4c6f0aef820ece4bc247e978f489d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracing_coz-641c3073cdc82a60)
[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 tracing-coz
[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" "faf5aa544f2e376dd54155c5226cd8e949f4c6f0aef820ece4bc247e978f489d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf5aa544f2e376dd54155c5226cd8e949f4c6f0aef820ece4bc247e978f489d", kill_on_drop: false }`
[INFO] [stdout] faf5aa544f2e376dd54155c5226cd8e949f4c6f0aef820ece4bc247e978f489d