[INFO] fetching crate trace-err 0.1.5...
[INFO] testing trace-err-0.1.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate trace-err 0.1.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate trace-err 0.1.5
[INFO] finished tweaking crates.io crate trace-err 0.1.5
[INFO] tweaked toml for crates.io crate trace-err 0.1.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trace-err 0.1.5 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate trace-err 0.1.5 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" "+beta-2025-09-21" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48abdb8982234140b109000adc4955de5126d24135286138f1569b38745ad75e
[INFO] running `Command { std: "docker" "start" "-a" "48abdb8982234140b109000adc4955de5126d24135286138f1569b38745ad75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48abdb8982234140b109000adc4955de5126d24135286138f1569b38745ad75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48abdb8982234140b109000adc4955de5126d24135286138f1569b38745ad75e", kill_on_drop: false }`
[INFO] [stdout] 48abdb8982234140b109000adc4955de5126d24135286138f1569b38745ad75e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 146f260a50182cf9c7fed3969847abf14c1aae961e94c1f882d43d0e52af583e
[INFO] running `Command { std: "docker" "start" "-a" "146f260a50182cf9c7fed3969847abf14c1aae961e94c1f882d43d0e52af583e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling trace-err v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.40s
[INFO] running `Command { std: "docker" "inspect" "146f260a50182cf9c7fed3969847abf14c1aae961e94c1f882d43d0e52af583e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "146f260a50182cf9c7fed3969847abf14c1aae961e94c1f882d43d0e52af583e", kill_on_drop: false }`
[INFO] [stdout] 146f260a50182cf9c7fed3969847abf14c1aae961e94c1f882d43d0e52af583e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a27c23f4e48bfb1cc15ebfa2cc6ebd45b5da5a471653c1d01600414519ab347d
[INFO] running `Command { std: "docker" "start" "-a" "a27c23f4e48bfb1cc15ebfa2cc6ebd45b5da5a471653c1d01600414519ab347d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling trace-err v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "a27c23f4e48bfb1cc15ebfa2cc6ebd45b5da5a471653c1d01600414519ab347d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a27c23f4e48bfb1cc15ebfa2cc6ebd45b5da5a471653c1d01600414519ab347d", kill_on_drop: false }`
[INFO] [stdout] a27c23f4e48bfb1cc15ebfa2cc6ebd45b5da5a471653c1d01600414519ab347d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a9e12f69a322691d7dc7e07b3a8ea4173c27ac15ee0bc10972c294f81d62e50
[INFO] running `Command { std: "docker" "start" "-a" "3a9e12f69a322691d7dc7e07b3a8ea4173c27ac15ee0bc10972c294f81d62e50", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trace_err-dc6d7d7059276da4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] 2025-10-01T14:25:43.967822Z ERROR expect: src/lib.rs:88:46: We caught: "An Error!"
[INFO] [stdout] 2025-10-01T14:25:43.968354Z ERROR expect: src/lib.rs:95:36: It's None!
[INFO] [stdout] test test::test_expect - should panic ... ok
[INFO] [stderr]    Doc-tests trace_err
[INFO] [stdout] test test::test_unwrap - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 21) - should panic ... ok
[INFO] [stdout] test src/lib.rs - (line 12) - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a9e12f69a322691d7dc7e07b3a8ea4173c27ac15ee0bc10972c294f81d62e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9e12f69a322691d7dc7e07b3a8ea4173c27ac15ee0bc10972c294f81d62e50", kill_on_drop: false }`
[INFO] [stdout] 3a9e12f69a322691d7dc7e07b3a8ea4173c27ac15ee0bc10972c294f81d62e50