[INFO] fetching crate nil 0.15.0...
[INFO] testing nil-0.15.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate nil 0.15.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate nil 0.15.0
[INFO] finished tweaking crates.io crate nil 0.15.0
[INFO] tweaked toml for crates.io crate nil 0.15.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nil 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 nil 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] b51e9a649b6f4228f5002602408009e55904a5725b21388dd1d9742affa1a367
[INFO] running `Command { std: "docker" "start" "-a" "b51e9a649b6f4228f5002602408009e55904a5725b21388dd1d9742affa1a367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b51e9a649b6f4228f5002602408009e55904a5725b21388dd1d9742affa1a367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51e9a649b6f4228f5002602408009e55904a5725b21388dd1d9742affa1a367", kill_on_drop: false }`
[INFO] [stdout] b51e9a649b6f4228f5002602408009e55904a5725b21388dd1d9742affa1a367
[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] f63f3d4846dec86158683e35508ec9888bc141e79eab26cbeefce6d0df282a2d
[INFO] running `Command { std: "docker" "start" "-a" "f63f3d4846dec86158683e35508ec9888bc141e79eab26cbeefce6d0df282a2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling smart-default v0.7.1
[INFO] [stderr]    Compiling nil v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.46s
[INFO] running `Command { std: "docker" "inspect" "f63f3d4846dec86158683e35508ec9888bc141e79eab26cbeefce6d0df282a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63f3d4846dec86158683e35508ec9888bc141e79eab26cbeefce6d0df282a2d", kill_on_drop: false }`
[INFO] [stdout] f63f3d4846dec86158683e35508ec9888bc141e79eab26cbeefce6d0df282a2d
[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] 163554ae1b6c6b0867d91c4aafcd1797d88ffb702e3742d55d6e94a9453a20f3
[INFO] running `Command { std: "docker" "start" "-a" "163554ae1b6c6b0867d91c4aafcd1797d88ffb702e3742d55d6e94a9453a20f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling nil v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "163554ae1b6c6b0867d91c4aafcd1797d88ffb702e3742d55d6e94a9453a20f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163554ae1b6c6b0867d91c4aafcd1797d88ffb702e3742d55d6e94a9453a20f3", kill_on_drop: false }`
[INFO] [stdout] 163554ae1b6c6b0867d91c4aafcd1797d88ffb702e3742d55d6e94a9453a20f3
[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] c0f34e9ddda1ebf1ceb9a5f2699cbd54bea8930848e931e0fa631c516a9b5c54
[INFO] running `Command { std: "docker" "start" "-a" "c0f34e9ddda1ebf1ceb9a5f2699cbd54bea8930848e931e0fa631c516a9b5c54", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nil-167625fd5aeb4c46)
[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 nil
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - flat (line 55) ... ignored
[INFO] [stdout] test src/lib.rs - flat (line 62) ... ignored
[INFO] [stdout] test src/lib.rs - ShortToString (line 88) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0f34e9ddda1ebf1ceb9a5f2699cbd54bea8930848e931e0fa631c516a9b5c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f34e9ddda1ebf1ceb9a5f2699cbd54bea8930848e931e0fa631c516a9b5c54", kill_on_drop: false }`
[INFO] [stdout] c0f34e9ddda1ebf1ceb9a5f2699cbd54bea8930848e931e0fa631c516a9b5c54