[INFO] fetching crate ref-swap 0.1.2...
[INFO] testing ref-swap-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ref-swap 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ref-swap 0.1.2
[INFO] finished tweaking crates.io crate ref-swap 0.1.2
[INFO] tweaked toml for crates.io crate ref-swap 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ref-swap 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b11e06e9faa9749c77dbb7cc6bb4e0894aec68fae94041127c38c9f2164ed5ff
[INFO] running `Command { std: "docker" "start" "-a" "b11e06e9faa9749c77dbb7cc6bb4e0894aec68fae94041127c38c9f2164ed5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b11e06e9faa9749c77dbb7cc6bb4e0894aec68fae94041127c38c9f2164ed5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11e06e9faa9749c77dbb7cc6bb4e0894aec68fae94041127c38c9f2164ed5ff", kill_on_drop: false }`
[INFO] [stdout] b11e06e9faa9749c77dbb7cc6bb4e0894aec68fae94041127c38c9f2164ed5ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 384fea6b27b519d0057d522e9558587c105d98884748742015cca8d549ccbe9e
[INFO] running `Command { std: "docker" "start" "-a" "384fea6b27b519d0057d522e9558587c105d98884748742015cca8d549ccbe9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ref-swap v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "384fea6b27b519d0057d522e9558587c105d98884748742015cca8d549ccbe9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384fea6b27b519d0057d522e9558587c105d98884748742015cca8d549ccbe9e", kill_on_drop: false }`
[INFO] [stdout] 384fea6b27b519d0057d522e9558587c105d98884748742015cca8d549ccbe9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5aef8870e80e346e1bb68c9e5f8868aa4341654001ba81e55b4e08c41bd9cd7d
[INFO] running `Command { std: "docker" "start" "-a" "5aef8870e80e346e1bb68c9e5f8868aa4341654001ba81e55b4e08c41bd9cd7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ref-swap v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "5aef8870e80e346e1bb68c9e5f8868aa4341654001ba81e55b4e08c41bd9cd7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aef8870e80e346e1bb68c9e5f8868aa4341654001ba81e55b4e08c41bd9cd7d", kill_on_drop: false }`
[INFO] [stdout] 5aef8870e80e346e1bb68c9e5f8868aa4341654001ba81e55b4e08c41bd9cd7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f29f585bc2b1ea02e8e75f9d5eda6edad3ee8c12274e5cc055ae05f64723ff36
[INFO] running `Command { std: "docker" "start" "-a" "f29f585bc2b1ea02e8e75f9d5eda6edad3ee8c12274e5cc055ae05f64723ff36", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ref_swap-504a579f66df6e93)
[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] [stderr]    Doc-tests ref_swap
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 48) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f29f585bc2b1ea02e8e75f9d5eda6edad3ee8c12274e5cc055ae05f64723ff36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f29f585bc2b1ea02e8e75f9d5eda6edad3ee8c12274e5cc055ae05f64723ff36", kill_on_drop: false }`
[INFO] [stdout] f29f585bc2b1ea02e8e75f9d5eda6edad3ee8c12274e5cc055ae05f64723ff36