[INFO] fetching crate t-box 0.1.1...
[INFO] testing t-box-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate t-box 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate t-box 0.1.1
[INFO] finished tweaking crates.io crate t-box 0.1.1
[INFO] tweaked toml for crates.io crate t-box 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate t-box 0.1.1 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 t-box 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e3623a9e4254523ef81d9a691b2101a8650adcde04e4b41f5509b6fcf3796204
[INFO] running `Command { std: "docker" "start" "-a" "e3623a9e4254523ef81d9a691b2101a8650adcde04e4b41f5509b6fcf3796204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3623a9e4254523ef81d9a691b2101a8650adcde04e4b41f5509b6fcf3796204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3623a9e4254523ef81d9a691b2101a8650adcde04e4b41f5509b6fcf3796204", kill_on_drop: false }`
[INFO] [stdout] e3623a9e4254523ef81d9a691b2101a8650adcde04e4b41f5509b6fcf3796204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c0a9900b712bb4941b095d8dd3eaeb49c249e622ffa5d7337f0eec110ed40108
[INFO] running `Command { std: "docker" "start" "-a" "c0a9900b712bb4941b095d8dd3eaeb49c249e622ffa5d7337f0eec110ed40108", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling clap_builder v4.5.23
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling clap v4.5.23
[INFO] [stderr]    Compiling t-box v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.13s
[INFO] running `Command { std: "docker" "inspect" "c0a9900b712bb4941b095d8dd3eaeb49c249e622ffa5d7337f0eec110ed40108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a9900b712bb4941b095d8dd3eaeb49c249e622ffa5d7337f0eec110ed40108", kill_on_drop: false }`
[INFO] [stdout] c0a9900b712bb4941b095d8dd3eaeb49c249e622ffa5d7337f0eec110ed40108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ba54770e772856deaabf207bf0a95b573886986f399087089d6a4c3075af966e
[INFO] running `Command { std: "docker" "start" "-a" "ba54770e772856deaabf207bf0a95b573886986f399087089d6a4c3075af966e", kill_on_drop: false }`
[INFO] [stderr]    Compiling t-box v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "ba54770e772856deaabf207bf0a95b573886986f399087089d6a4c3075af966e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba54770e772856deaabf207bf0a95b573886986f399087089d6a4c3075af966e", kill_on_drop: false }`
[INFO] [stdout] ba54770e772856deaabf207bf0a95b573886986f399087089d6a4c3075af966e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 61c2cf5bd96991d222d0a4341a2e6f97090b8e039b2272f2ff46df091694afdd
[INFO] running `Command { std: "docker" "start" "-a" "61c2cf5bd96991d222d0a4341a2e6f97090b8e039b2272f2ff46df091694afdd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/t_box-b5782748b373c0cb)
[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" "61c2cf5bd96991d222d0a4341a2e6f97090b8e039b2272f2ff46df091694afdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c2cf5bd96991d222d0a4341a2e6f97090b8e039b2272f2ff46df091694afdd", kill_on_drop: false }`
[INFO] [stdout] 61c2cf5bd96991d222d0a4341a2e6f97090b8e039b2272f2ff46df091694afdd