[INFO] fetching crate switching 1.2.2...
[INFO] testing switching-1.2.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate switching 1.2.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate switching 1.2.2
[INFO] finished tweaking crates.io crate switching 1.2.2
[INFO] tweaked toml for crates.io crate switching 1.2.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate switching 1.2.2 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] crate crates.io crate switching 1.2.2 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6938dd0b8a7d7a8c56e4a63090e4acfff14cd9568f3e345f797320abe9e67cd6
[INFO] running `Command { std: "docker" "start" "-a" "6938dd0b8a7d7a8c56e4a63090e4acfff14cd9568f3e345f797320abe9e67cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6938dd0b8a7d7a8c56e4a63090e4acfff14cd9568f3e345f797320abe9e67cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6938dd0b8a7d7a8c56e4a63090e4acfff14cd9568f3e345f797320abe9e67cd6", kill_on_drop: false }`
[INFO] [stdout] 6938dd0b8a7d7a8c56e4a63090e4acfff14cd9568f3e345f797320abe9e67cd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 21f4fcab1ac0c82d109f414a4afe3132094f7f71ab97b7d7cc79cebb4d99e96b
[INFO] running `Command { std: "docker" "start" "-a" "21f4fcab1ac0c82d109f414a4afe3132094f7f71ab97b7d7cc79cebb4d99e96b", kill_on_drop: false }`
[INFO] [stderr]    Compiling switching v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "21f4fcab1ac0c82d109f414a4afe3132094f7f71ab97b7d7cc79cebb4d99e96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f4fcab1ac0c82d109f414a4afe3132094f7f71ab97b7d7cc79cebb4d99e96b", kill_on_drop: false }`
[INFO] [stdout] 21f4fcab1ac0c82d109f414a4afe3132094f7f71ab97b7d7cc79cebb4d99e96b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dfc066fd2dad75554a5aec10c15a7a8854e922a3fb3c70c6c088b2cf3dc1ca7a
[INFO] running `Command { std: "docker" "start" "-a" "dfc066fd2dad75554a5aec10c15a7a8854e922a3fb3c70c6c088b2cf3dc1ca7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling switching v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "dfc066fd2dad75554a5aec10c15a7a8854e922a3fb3c70c6c088b2cf3dc1ca7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc066fd2dad75554a5aec10c15a7a8854e922a3fb3c70c6c088b2cf3dc1ca7a", kill_on_drop: false }`
[INFO] [stdout] dfc066fd2dad75554a5aec10c15a7a8854e922a3fb3c70c6c088b2cf3dc1ca7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] aa3979d4ac92dfa36e5fe68445569c75b61401f0e2e53d90e1ef86760dc8b984
[INFO] running `Command { std: "docker" "start" "-a" "aa3979d4ac92dfa36e5fe68445569c75b61401f0e2e53d90e1ef86760dc8b984", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/switching-cf690945afdefe8d)
[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" "aa3979d4ac92dfa36e5fe68445569c75b61401f0e2e53d90e1ef86760dc8b984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa3979d4ac92dfa36e5fe68445569c75b61401f0e2e53d90e1ef86760dc8b984", kill_on_drop: false }`
[INFO] [stdout] aa3979d4ac92dfa36e5fe68445569c75b61401f0e2e53d90e1ef86760dc8b984