[INFO] fetching crate tasktrace 0.1.1...
[INFO] testing tasktrace-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tasktrace 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate tasktrace 0.1.1
[INFO] finished tweaking crates.io crate tasktrace 0.1.1
[INFO] tweaked toml for crates.io crate tasktrace 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tasktrace 0.1.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tasktrace 0.1.1 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bddad8be73a265b97f2f31218bb320ed768e3b8ad1a299051713281aefb822f
[INFO] running `Command { std: "docker" "start" "-a" "1bddad8be73a265b97f2f31218bb320ed768e3b8ad1a299051713281aefb822f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bddad8be73a265b97f2f31218bb320ed768e3b8ad1a299051713281aefb822f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bddad8be73a265b97f2f31218bb320ed768e3b8ad1a299051713281aefb822f", kill_on_drop: false }`
[INFO] [stdout] 1bddad8be73a265b97f2f31218bb320ed768e3b8ad1a299051713281aefb822f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a3372c8aba3010d4ab3a0abd6286655db2e212c914311662cb9ffe1ff32b018
[INFO] running `Command { std: "docker" "start" "-a" "3a3372c8aba3010d4ab3a0abd6286655db2e212c914311662cb9ffe1ff32b018", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling pin-project-lite v0.2.10
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling object v0.31.1
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling addr2line v0.20.0
[INFO] [stderr]    Compiling scoped-trace v0.1.0
[INFO] [stderr]    Compiling tasktrace v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `Command { std: "docker" "inspect" "3a3372c8aba3010d4ab3a0abd6286655db2e212c914311662cb9ffe1ff32b018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3372c8aba3010d4ab3a0abd6286655db2e212c914311662cb9ffe1ff32b018", kill_on_drop: false }`
[INFO] [stdout] 3a3372c8aba3010d4ab3a0abd6286655db2e212c914311662cb9ffe1ff32b018
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bec74bf94f0591cb6429559dbe69a3e7f531a36f08f871c7f3dfbe0baba07835
[INFO] running `Command { std: "docker" "start" "-a" "bec74bf94f0591cb6429559dbe69a3e7f531a36f08f871c7f3dfbe0baba07835", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling scoped-trace v0.1.0
[INFO] [stderr]    Compiling tasktrace v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.81s
[INFO] running `Command { std: "docker" "inspect" "bec74bf94f0591cb6429559dbe69a3e7f531a36f08f871c7f3dfbe0baba07835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec74bf94f0591cb6429559dbe69a3e7f531a36f08f871c7f3dfbe0baba07835", kill_on_drop: false }`
[INFO] [stdout] bec74bf94f0591cb6429559dbe69a3e7f531a36f08f871c7f3dfbe0baba07835
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c50e7a725b0361fbc104cb590110bc84be302a4670603d86f0e5c0bbc1791da2
[INFO] running `Command { std: "docker" "start" "-a" "c50e7a725b0361fbc104cb590110bc84be302a4670603d86f0e5c0bbc1791da2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tasktrace-aece52505a9af4a2)
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tasktrace
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.99s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c50e7a725b0361fbc104cb590110bc84be302a4670603d86f0e5c0bbc1791da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50e7a725b0361fbc104cb590110bc84be302a4670603d86f0e5c0bbc1791da2", kill_on_drop: false }`
[INFO] [stdout] c50e7a725b0361fbc104cb590110bc84be302a4670603d86f0e5c0bbc1791da2