[INFO] fetching crate breadcrumbs 0.1.5...
[INFO] testing breadcrumbs-0.1.5 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate breadcrumbs 0.1.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate breadcrumbs 0.1.5
[INFO] finished tweaking crates.io crate breadcrumbs 0.1.5
[INFO] tweaked toml for crates.io crate breadcrumbs 0.1.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate breadcrumbs 0.1.5 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding spin v0.9.8 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d289e54f8d3dcafe7d0e104ec9ec75237b373b068b0bc6f113505ca49d20f6ce
[INFO] running `Command { std: "docker" "start" "-a" "d289e54f8d3dcafe7d0e104ec9ec75237b373b068b0bc6f113505ca49d20f6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d289e54f8d3dcafe7d0e104ec9ec75237b373b068b0bc6f113505ca49d20f6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d289e54f8d3dcafe7d0e104ec9ec75237b373b068b0bc6f113505ca49d20f6ce", kill_on_drop: false }`
[INFO] [stdout] d289e54f8d3dcafe7d0e104ec9ec75237b373b068b0bc6f113505ca49d20f6ce
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe091800330ff8606db8a804899164532e75d546f345288fc67c67686b1482f7
[INFO] running `Command { std: "docker" "start" "-a" "fe091800330ff8606db8a804899164532e75d546f345288fc67c67686b1482f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling breadcrumbs v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "fe091800330ff8606db8a804899164532e75d546f345288fc67c67686b1482f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe091800330ff8606db8a804899164532e75d546f345288fc67c67686b1482f7", kill_on_drop: false }`
[INFO] [stdout] fe091800330ff8606db8a804899164532e75d546f345288fc67c67686b1482f7
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aefd5c8709ea633f5405f5220d609ffb34df6c44d5464a5ec166c203976a3565
[INFO] running `Command { std: "docker" "start" "-a" "aefd5c8709ea633f5405f5220d609ffb34df6c44d5464a5ec166c203976a3565", kill_on_drop: false }`
[INFO] [stderr]    Compiling breadcrumbs v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "aefd5c8709ea633f5405f5220d609ffb34df6c44d5464a5ec166c203976a3565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aefd5c8709ea633f5405f5220d609ffb34df6c44d5464a5ec166c203976a3565", kill_on_drop: false }`
[INFO] [stdout] aefd5c8709ea633f5405f5220d609ffb34df6c44d5464a5ec166c203976a3565
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 821aa82433c86e6657a4862ea968218cdfdd69491272ed33f3aad7a6e35a8b29
[INFO] running `Command { std: "docker" "start" "-a" "821aa82433c86e6657a4862ea968218cdfdd69491272ed33f3aad7a6e35a8b29", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/breadcrumbs-4925054228688027)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::read_me_example ... ok
[INFO] [stdout] test tests::test_traceback_generation ... ok
[INFO] [stdout] test tests::test_log_macros ... ok
[INFO] [stdout] test tests::no_std_readme_example ... ok
[INFO] [stdout] test tests::test_log_creation_and_handling ... ok
[INFO] [stdout] test tests::test_log_level_enum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests breadcrumbs
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/lib.rs - log_channel (line 405) ... ok
[INFO] [stdout] test src/lib.rs - LogLevel::is_at_least (line 57) ... ok
[INFO] [stdout] test src/lib.rs - init (line 155) ... ok
[INFO] [stdout] test src/lib.rs - get_logs_traceback (line 271) ... ok
[INFO] [stdout] test src/lib.rs - log_level (line 390) ... ok
[INFO] [stdout] test src/lib.rs - Traceback::to_string (line 249) ... ok
[INFO] [stdout] test src/lib.rs - Log::remove (line 124) ... ok
[INFO] [stdout] test src/lib.rs - Traceback (line 240) ... ok
[INFO] [stdout] test src/lib.rs - init (line 195) ... ok
[INFO] [stdout] test src/lib.rs - log (line 372) ... ok
[INFO] [stdout] test src/lib.rs - log (line 365) ... ok
[INFO] [stdout] test src/lib.rs - traceback (line 299) ... ok
[INFO] [stdout] test src/lib.rs - traceback_level (line 326) ... ok
[INFO] [stdout] test src/lib.rs - traceback_channel (line 343) ... ok
[INFO] [stdout] test src/lib.rs - traceback (line 306) ... ok
[INFO] [stdout] test src/lib.rs - log (line 226) ... ok
[INFO] [stdout] test src/lib.rs - init (line 201) ... ok
[INFO] [stdout] test src/lib.rs - Log (line 88) ... ok
[INFO] [stdout] test src/lib.rs - init_with_listener (line 166) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "821aa82433c86e6657a4862ea968218cdfdd69491272ed33f3aad7a6e35a8b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "821aa82433c86e6657a4862ea968218cdfdd69491272ed33f3aad7a6e35a8b29", kill_on_drop: false }`
[INFO] [stdout] 821aa82433c86e6657a4862ea968218cdfdd69491272ed33f3aad7a6e35a8b29