[INFO] fetching crate string-join 0.1.2...
[INFO] testing string-join-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate string-join 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate string-join 0.1.2
[INFO] finished tweaking crates.io crate string-join 0.1.2
[INFO] tweaked toml for crates.io crate string-join 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate string-join 0.1.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46e4d4176955ab72b16f942fc8254945af18c6a09d99caa298b211dd9b0fbb37
[INFO] running `Command { std: "docker" "start" "-a" "46e4d4176955ab72b16f942fc8254945af18c6a09d99caa298b211dd9b0fbb37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46e4d4176955ab72b16f942fc8254945af18c6a09d99caa298b211dd9b0fbb37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e4d4176955ab72b16f942fc8254945af18c6a09d99caa298b211dd9b0fbb37", kill_on_drop: false }`
[INFO] [stdout] 46e4d4176955ab72b16f942fc8254945af18c6a09d99caa298b211dd9b0fbb37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19e86922f306b88c9b5be054ade68af75a81c1d5782f6a8df92f1eac3822a525
[INFO] running `Command { std: "docker" "start" "-a" "19e86922f306b88c9b5be054ade68af75a81c1d5782f6a8df92f1eac3822a525", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-join v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "19e86922f306b88c9b5be054ade68af75a81c1d5782f6a8df92f1eac3822a525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e86922f306b88c9b5be054ade68af75a81c1d5782f6a8df92f1eac3822a525", kill_on_drop: false }`
[INFO] [stdout] 19e86922f306b88c9b5be054ade68af75a81c1d5782f6a8df92f1eac3822a525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8033cfebe78cba757602258481f1c452ec859e493ad38678ff9116b8f16a3ac
[INFO] running `Command { std: "docker" "start" "-a" "b8033cfebe78cba757602258481f1c452ec859e493ad38678ff9116b8f16a3ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-join v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "b8033cfebe78cba757602258481f1c452ec859e493ad38678ff9116b8f16a3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8033cfebe78cba757602258481f1c452ec859e493ad38678ff9116b8f16a3ac", kill_on_drop: false }`
[INFO] [stdout] b8033cfebe78cba757602258481f1c452ec859e493ad38678ff9116b8f16a3ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5b442395a94e51da93a74a2612f98a332869473dbed6b8b25e0327cf4f4f269
[INFO] running `Command { std: "docker" "start" "-a" "f5b442395a94e51da93a74a2612f98a332869473dbed6b8b25e0327cf4f4f269", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/string_join-9f1631cf47ab4170)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test as_ref::tests::join_with_borrowed_string ... ok
[INFO] [stdout] test as_ref::tests::join_hashset ... ok
[INFO] [stdout] test as_ref::tests::join_with_heap_string ... ok
[INFO] [stdout] test as_ref::tests::write_join_to_file ... ok
[INFO] [stdout] test as_ref::tests::join_with_cow_string ... ok
[INFO] [stdout] test display::tests::join_hashset ... ok
[INFO] [stdout] test display::tests::join_with_borrowed_string ... ok
[INFO] [stdout] test display::tests::join_with_cow_string ... ok
[INFO] [stdout] test display::tests::write_join_to_file ... ok
[INFO] [stdout] test display::tests::join_with_heap_string ... ok
[INFO] [stderr]    Doc-tests string_join
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 15) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f5b442395a94e51da93a74a2612f98a332869473dbed6b8b25e0327cf4f4f269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b442395a94e51da93a74a2612f98a332869473dbed6b8b25e0327cf4f4f269", kill_on_drop: false }`
[INFO] [stdout] f5b442395a94e51da93a74a2612f98a332869473dbed6b8b25e0327cf4f4f269