[INFO] fetching crate stealcell 0.2.0...
[INFO] testing stealcell-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate stealcell 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate stealcell 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate stealcell 0.2.0
[INFO] tweaked toml for crates.io crate stealcell 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stealcell 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stealcell 0.2.0 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-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbafdd362afc1cc06e9b583b19cc3cf6e5d54cbff3d440f5d0e3a4792dc072e4
[INFO] running `Command { std: "docker" "start" "-a" "dbafdd362afc1cc06e9b583b19cc3cf6e5d54cbff3d440f5d0e3a4792dc072e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbafdd362afc1cc06e9b583b19cc3cf6e5d54cbff3d440f5d0e3a4792dc072e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbafdd362afc1cc06e9b583b19cc3cf6e5d54cbff3d440f5d0e3a4792dc072e4", kill_on_drop: false }`
[INFO] [stdout] dbafdd362afc1cc06e9b583b19cc3cf6e5d54cbff3d440f5d0e3a4792dc072e4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e34dcf87a69937f41469e2bb3a955da445ee07418597498b54d0b66c68c9d0c
[INFO] running `Command { std: "docker" "start" "-a" "1e34dcf87a69937f41469e2bb3a955da445ee07418597498b54d0b66c68c9d0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling stealcell v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "1e34dcf87a69937f41469e2bb3a955da445ee07418597498b54d0b66c68c9d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e34dcf87a69937f41469e2bb3a955da445ee07418597498b54d0b66c68c9d0c", kill_on_drop: false }`
[INFO] [stdout] 1e34dcf87a69937f41469e2bb3a955da445ee07418597498b54d0b66c68c9d0c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55968b2b30820392dc8003e441dfc53aabf5cb7d7238ea7c3ae459d7f3bc403e
[INFO] running `Command { std: "docker" "start" "-a" "55968b2b30820392dc8003e441dfc53aabf5cb7d7238ea7c3ae459d7f3bc403e", kill_on_drop: false }`
[INFO] [stderr]    Compiling stealcell v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "55968b2b30820392dc8003e441dfc53aabf5cb7d7238ea7c3ae459d7f3bc403e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55968b2b30820392dc8003e441dfc53aabf5cb7d7238ea7c3ae459d7f3bc403e", kill_on_drop: false }`
[INFO] [stdout] 55968b2b30820392dc8003e441dfc53aabf5cb7d7238ea7c3ae459d7f3bc403e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f862206af8f3f990c0bb10d0199edbb5f4c08be792a18738104ee43e379050a1
[INFO] running `Command { std: "docker" "start" "-a" "f862206af8f3f990c0bb10d0199edbb5f4c08be792a18738104ee43e379050a1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stealcell-4d69a3f6c947cbe5)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test stealcell::test::defaults ... ok
[INFO] [stdout] test stealcell::test::derefs ... ok
[INFO] [stdout] test stealcell::test::deref_muts ... ok
[INFO] [stdout] test stealcell::test::it_does_its_job ... ok
[INFO] [stdout] test stealcell::test::panics_on_unnecessary_return - should panic ... ok
[INFO] [stdout] test stealcell::test::panics_when_returning_nothing - should panic ... ok
[INFO] [stdout] test stealcell::test::stolen::derefs ... ok
[INFO] [stdout] test stealcell::test::stolen::deref_muts ... ok
[INFO] [stderr]    Doc-tests stealcell
[INFO] [stdout] test stealcell::test::stolen::panics_when_dropped - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "f862206af8f3f990c0bb10d0199edbb5f4c08be792a18738104ee43e379050a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f862206af8f3f990c0bb10d0199edbb5f4c08be792a18738104ee43e379050a1", kill_on_drop: false }`
[INFO] [stdout] f862206af8f3f990c0bb10d0199edbb5f4c08be792a18738104ee43e379050a1
