[INFO] fetching crate throttled-tracing 0.1.0...
[INFO] testing throttled-tracing-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate throttled-tracing 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate throttled-tracing 0.1.0
[INFO] finished tweaking crates.io crate throttled-tracing 0.1.0
[INFO] tweaked toml for crates.io crate throttled-tracing 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate throttled-tracing 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate throttled-tracing 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56d6e99b9417875f67ce95d9ba08b104d490621f45ae4ab0a9880ad6b85cb3da
[INFO] running `Command { std: "docker" "start" "-a" "56d6e99b9417875f67ce95d9ba08b104d490621f45ae4ab0a9880ad6b85cb3da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56d6e99b9417875f67ce95d9ba08b104d490621f45ae4ab0a9880ad6b85cb3da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d6e99b9417875f67ce95d9ba08b104d490621f45ae4ab0a9880ad6b85cb3da", kill_on_drop: false }`
[INFO] [stdout] 56d6e99b9417875f67ce95d9ba08b104d490621f45ae4ab0a9880ad6b85cb3da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b8ba2b3c01e573303c222818e9e6d4acedf2a5b0cce9800f749de54d99d3dca
[INFO] running `Command { std: "docker" "start" "-a" "5b8ba2b3c01e573303c222818e9e6d4acedf2a5b0cce9800f749de54d99d3dca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling throttled-tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "5b8ba2b3c01e573303c222818e9e6d4acedf2a5b0cce9800f749de54d99d3dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8ba2b3c01e573303c222818e9e6d4acedf2a5b0cce9800f749de54d99d3dca", kill_on_drop: false }`
[INFO] [stdout] 5b8ba2b3c01e573303c222818e9e6d4acedf2a5b0cce9800f749de54d99d3dca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bccafe0d395fa4616fb0e474fc2a8b9d02f2b5a085b40790eb663e31da49fd86
[INFO] running `Command { std: "docker" "start" "-a" "bccafe0d395fa4616fb0e474fc2a8b9d02f2b5a085b40790eb663e31da49fd86", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling throttled-tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "bccafe0d395fa4616fb0e474fc2a8b9d02f2b5a085b40790eb663e31da49fd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bccafe0d395fa4616fb0e474fc2a8b9d02f2b5a085b40790eb663e31da49fd86", kill_on_drop: false }`
[INFO] [stdout] bccafe0d395fa4616fb0e474fc2a8b9d02f2b5a085b40790eb663e31da49fd86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f5f63d54a10a8051ecfadc717288b8a32a59f74a48f78fdb9ec65dfe5be3dd7
[INFO] running `Command { std: "docker" "start" "-a" "0f5f63d54a10a8051ecfadc717288b8a32a59f74a48f78fdb9ec65dfe5be3dd7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/throttled_tracing-90583fec3793ce83)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests throttled_tracing
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::every_macro_compiles ... ok
[INFO] [stdout] test tests::every_n_macro_compiles ... ok
[INFO] [stdout] test tests::first_n_state_logs_first_n_only ... ok
[INFO] [stdout] test tests::on_change_macro_compiles ... ok
[INFO] [stdout] test tests::once_macro_logs_once ... ok
[INFO] [stdout] test tests::on_change_state_detects_changes ... ok
[INFO] [stdout] test tests::backoff_macro_compiles ... ok
[INFO] [stdout] test tests::count_state_logs_every_n ... ok
[INFO] [stdout] test tests::first_n_macro_compiles ... ok
[INFO] [stdout] test tests::once_per_value_macro_compiles ... ok
[INFO] [stdout] test tests::once_state_logs_only_first_time ... ok
[INFO] [stdout] test tests::sample_macro_compiles ... ok
[INFO] [stdout] test tests::sample_state_respects_probability ... ok
[INFO] [stdout] test tests::once_per_value_state_logs_unique_values ... ok
[INFO] [stdout] test tests::throttle_state_respects_duration ... ok
[INFO] [stdout] test tests::backoff_state_doubles_interval ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.65s; merged doctests compilation took 0.58s
[INFO] running `Command { std: "docker" "inspect" "0f5f63d54a10a8051ecfadc717288b8a32a59f74a48f78fdb9ec65dfe5be3dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f5f63d54a10a8051ecfadc717288b8a32a59f74a48f78fdb9ec65dfe5be3dd7", kill_on_drop: false }`
[INFO] [stdout] 0f5f63d54a10a8051ecfadc717288b8a32a59f74a48f78fdb9ec65dfe5be3dd7