[INFO] fetching crate tracing-assert-core 0.1.4...
[INFO] testing tracing-assert-core-0.1.4 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate tracing-assert-core 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tracing-assert-core 0.1.4
[INFO] finished tweaking crates.io crate tracing-assert-core 0.1.4
[INFO] tweaked toml for crates.io crate tracing-assert-core 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-assert-core 0.1.4 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cdd41a5bc67536b3fdd731867c5be373d82859f7a3df1231dc401bd6165ca8c
[INFO] running `Command { std: "docker" "start" "-a" "8cdd41a5bc67536b3fdd731867c5be373d82859f7a3df1231dc401bd6165ca8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cdd41a5bc67536b3fdd731867c5be373d82859f7a3df1231dc401bd6165ca8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cdd41a5bc67536b3fdd731867c5be373d82859f7a3df1231dc401bd6165ca8c", kill_on_drop: false }`
[INFO] [stdout] 8cdd41a5bc67536b3fdd731867c5be373d82859f7a3df1231dc401bd6165ca8c
[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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9925d0eabd81bee7b4d02b7b87f4740b43561c6f2a2012aa387c4ea604635ad0
[INFO] running `Command { std: "docker" "start" "-a" "9925d0eabd81bee7b4d02b7b87f4740b43561c6f2a2012aa387c4ea604635ad0", kill_on_drop: false }`
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tracing-assert-core v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.06s
[INFO] running `Command { std: "docker" "inspect" "9925d0eabd81bee7b4d02b7b87f4740b43561c6f2a2012aa387c4ea604635ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9925d0eabd81bee7b4d02b7b87f4740b43561c6f2a2012aa387c4ea604635ad0", kill_on_drop: false }`
[INFO] [stdout] 9925d0eabd81bee7b4d02b7b87f4740b43561c6f2a2012aa387c4ea604635ad0
[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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f10202af4d5ff7ebc900efba405201a5e2ccf0009565fe96ecad1df4f5edb631
[INFO] running `Command { std: "docker" "start" "-a" "f10202af4d5ff7ebc900efba405201a5e2ccf0009565fe96ecad1df4f5edb631", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-assert-core v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "f10202af4d5ff7ebc900efba405201a5e2ccf0009565fe96ecad1df4f5edb631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10202af4d5ff7ebc900efba405201a5e2ccf0009565fe96ecad1df4f5edb631", kill_on_drop: false }`
[INFO] [stdout] f10202af4d5ff7ebc900efba405201a5e2ccf0009565fe96ecad1df4f5edb631
[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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc111a5c93de84d69560e8438860b2d89d2f07ea117a9a02d78be71242f2e98e
[INFO] running `Command { std: "docker" "start" "-a" "dc111a5c93de84d69560e8438860b2d89d2f07ea117a9a02d78be71242f2e98e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_assert_core-5a0adf0fb8d87630)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::layer_can_assert_on_1_event_in_1_span ... ok
[INFO] [stdout] test tests::layer_observes_spans_and_events ... ok
[INFO] [stdout] test visitor::field_value_visitor::tests::record__visitor_collects_all_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing_assert_core
[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" "dc111a5c93de84d69560e8438860b2d89d2f07ea117a9a02d78be71242f2e98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc111a5c93de84d69560e8438860b2d89d2f07ea117a9a02d78be71242f2e98e", kill_on_drop: false }`
[INFO] [stdout] dc111a5c93de84d69560e8438860b2d89d2f07ea117a9a02d78be71242f2e98e
