[INFO] fetching crate rust-box 0.15.0...
[INFO] testing rust-box-0.15.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rust-box 0.15.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rust-box 0.15.0
[INFO] finished tweaking crates.io crate rust-box 0.15.0
[INFO] tweaked toml for crates.io crate rust-box 0.15.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-box 0.15.0 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 rust-box 0.15.0 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44f962624c18fd97cb82ea3895246d56451c3ba56e21b138053c32ad7bf17974
[INFO] running `Command { std: "docker" "start" "-a" "44f962624c18fd97cb82ea3895246d56451c3ba56e21b138053c32ad7bf17974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44f962624c18fd97cb82ea3895246d56451c3ba56e21b138053c32ad7bf17974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f962624c18fd97cb82ea3895246d56451c3ba56e21b138053c32ad7bf17974", kill_on_drop: false }`
[INFO] [stdout] 44f962624c18fd97cb82ea3895246d56451c3ba56e21b138053c32ad7bf17974
[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=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] 44269078d323e3cf9c218a0570469dedc7ca0938f88dafd693cb735dd599a216
[INFO] running `Command { std: "docker" "start" "-a" "44269078d323e3cf9c218a0570469dedc7ca0938f88dafd693cb735dd599a216", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-box v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "44269078d323e3cf9c218a0570469dedc7ca0938f88dafd693cb735dd599a216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44269078d323e3cf9c218a0570469dedc7ca0938f88dafd693cb735dd599a216", kill_on_drop: false }`
[INFO] [stdout] 44269078d323e3cf9c218a0570469dedc7ca0938f88dafd693cb735dd599a216
[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=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] b9dad3911271b681788515ddcaf4e6201157aca6295a8d4d3491fceaf0ee9579
[INFO] running `Command { std: "docker" "start" "-a" "b9dad3911271b681788515ddcaf4e6201157aca6295a8d4d3491fceaf0ee9579", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-box v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "b9dad3911271b681788515ddcaf4e6201157aca6295a8d4d3491fceaf0ee9579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9dad3911271b681788515ddcaf4e6201157aca6295a8d4d3491fceaf0ee9579", kill_on_drop: false }`
[INFO] [stdout] b9dad3911271b681788515ddcaf4e6201157aca6295a8d4d3491fceaf0ee9579
[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=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] 4c4b2fa2584625e2b3400d6aca5352a7f72104415851988bca8a57cd5968fd51
[INFO] running `Command { std: "docker" "start" "-a" "4c4b2fa2584625e2b3400d6aca5352a7f72104415851988bca8a57cd5968fd51", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_box-c5a33244075c18de)
[INFO] [stderr]    Doc-tests rust_box
[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] [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" "4c4b2fa2584625e2b3400d6aca5352a7f72104415851988bca8a57cd5968fd51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4b2fa2584625e2b3400d6aca5352a7f72104415851988bca8a57cd5968fd51", kill_on_drop: false }`
[INFO] [stdout] 4c4b2fa2584625e2b3400d6aca5352a7f72104415851988bca8a57cd5968fd51