[INFO] fetching crate str-cat 0.2.0...
[INFO] testing str-cat-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate str-cat 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate str-cat 0.2.0
[INFO] finished tweaking crates.io crate str-cat 0.2.0
[INFO] tweaked toml for crates.io crate str-cat 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate str-cat 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 69 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.8.2)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d638b23e3cb685a8b8a9c471370f71d7690a4354216402b6d768e903e35db6a8
[INFO] running `Command { std: "docker" "start" "-a" "d638b23e3cb685a8b8a9c471370f71d7690a4354216402b6d768e903e35db6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d638b23e3cb685a8b8a9c471370f71d7690a4354216402b6d768e903e35db6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d638b23e3cb685a8b8a9c471370f71d7690a4354216402b6d768e903e35db6a8", kill_on_drop: false }`
[INFO] [stdout] d638b23e3cb685a8b8a9c471370f71d7690a4354216402b6d768e903e35db6a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] afb987fabc4274fcdd36ae6cd4eb839afa8af34642a70e41ea0ff699106407af
[INFO] running `Command { std: "docker" "start" "-a" "afb987fabc4274fcdd36ae6cd4eb839afa8af34642a70e41ea0ff699106407af", kill_on_drop: false }`
[INFO] [stderr]    Compiling str-cat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "afb987fabc4274fcdd36ae6cd4eb839afa8af34642a70e41ea0ff699106407af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb987fabc4274fcdd36ae6cd4eb839afa8af34642a70e41ea0ff699106407af", kill_on_drop: false }`
[INFO] [stdout] afb987fabc4274fcdd36ae6cd4eb839afa8af34642a70e41ea0ff699106407af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] aa9d9d45ad035e8091e24f0f7fd8c5fb07a98d829c46a5d1d6cd49aeb8016292
[INFO] running `Command { std: "docker" "start" "-a" "aa9d9d45ad035e8091e24f0f7fd8c5fb07a98d829c46a5d1d6cd49aeb8016292", kill_on_drop: false }`
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling str-cat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.66s
[INFO] running `Command { std: "docker" "inspect" "aa9d9d45ad035e8091e24f0f7fd8c5fb07a98d829c46a5d1d6cd49aeb8016292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa9d9d45ad035e8091e24f0f7fd8c5fb07a98d829c46a5d1d6cd49aeb8016292", kill_on_drop: false }`
[INFO] [stdout] aa9d9d45ad035e8091e24f0f7fd8c5fb07a98d829c46a5d1d6cd49aeb8016292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 56606bc171103902cc4f1dd9e9250b815c23a10907393cf58e8df35701c7b13b
[INFO] running `Command { std: "docker" "start" "-a" "56606bc171103902cc4f1dd9e9250b815c23a10907393cf58e8df35701c7b13b", 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/str_cat-4a27bb45b03e3a52)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::currently_doc_tests_covered_everything ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests str_cat
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/lib.rs - (line 76) ... ok
[INFO] [stdout] test src/lib.rs - str_cat (line 140) ... ok
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/lib.rs - vec_cat (line 283) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 107) ... ok
[INFO] [stdout] test src/lib.rs - path_cat (line 187) ... ok
[INFO] [stdout] test src/lib.rs - os_str_cat (line 236) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 89) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "56606bc171103902cc4f1dd9e9250b815c23a10907393cf58e8df35701c7b13b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56606bc171103902cc4f1dd9e9250b815c23a10907393cf58e8df35701c7b13b", kill_on_drop: false }`
[INFO] [stdout] 56606bc171103902cc4f1dd9e9250b815c23a10907393cf58e8df35701c7b13b
