[INFO] fetching crate tracing-cassette 0.0.0...
[INFO] testing tracing-cassette-0.0.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate tracing-cassette 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tracing-cassette 0.0.0
[INFO] finished tweaking crates.io crate tracing-cassette 0.0.0
[INFO] tweaked toml for crates.io crate tracing-cassette 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-cassette 0.0.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 276a5e58e3537fb52862dbd8ea8f8431c1022ef6ce824f127f8c18a0fc7ac964
[INFO] running `Command { std: "docker" "start" "-a" "276a5e58e3537fb52862dbd8ea8f8431c1022ef6ce824f127f8c18a0fc7ac964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "276a5e58e3537fb52862dbd8ea8f8431c1022ef6ce824f127f8c18a0fc7ac964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276a5e58e3537fb52862dbd8ea8f8431c1022ef6ce824f127f8c18a0fc7ac964", kill_on_drop: false }`
[INFO] [stdout] 276a5e58e3537fb52862dbd8ea8f8431c1022ef6ce824f127f8c18a0fc7ac964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f22a7b3fa6174c4383d952f9779df278eb0d415410522fe236149722e0fdf3e6
[INFO] running `Command { std: "docker" "start" "-a" "f22a7b3fa6174c4383d952f9779df278eb0d415410522fe236149722e0fdf3e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-cassette v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "f22a7b3fa6174c4383d952f9779df278eb0d415410522fe236149722e0fdf3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22a7b3fa6174c4383d952f9779df278eb0d415410522fe236149722e0fdf3e6", kill_on_drop: false }`
[INFO] [stdout] f22a7b3fa6174c4383d952f9779df278eb0d415410522fe236149722e0fdf3e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e2c8c7f00d4c4ec289c6dc27fc05b3f5d2e52057bf0f2ae6d7e648b8055c83d
[INFO] running `Command { std: "docker" "start" "-a" "5e2c8c7f00d4c4ec289c6dc27fc05b3f5d2e52057bf0f2ae6d7e648b8055c83d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-cassette v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "5e2c8c7f00d4c4ec289c6dc27fc05b3f5d2e52057bf0f2ae6d7e648b8055c83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2c8c7f00d4c4ec289c6dc27fc05b3f5d2e52057bf0f2ae6d7e648b8055c83d", kill_on_drop: false }`
[INFO] [stdout] 5e2c8c7f00d4c4ec289c6dc27fc05b3f5d2e52057bf0f2ae6d7e648b8055c83d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5b8a2f1093b7cc0624c139119462c6161bf312b5df74b9b1daea285ba748024
[INFO] running `Command { std: "docker" "start" "-a" "e5b8a2f1093b7cc0624c139119462c6161bf312b5df74b9b1daea285ba748024", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_cassette-5e1c1d51762329f0)
[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_cassette
[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" "e5b8a2f1093b7cc0624c139119462c6161bf312b5df74b9b1daea285ba748024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5b8a2f1093b7cc0624c139119462c6161bf312b5df74b9b1daea285ba748024", kill_on_drop: false }`
[INFO] [stdout] e5b8a2f1093b7cc0624c139119462c6161bf312b5df74b9b1daea285ba748024