[INFO] fetching crate union-find 0.4.4...
[INFO] testing union-find-0.4.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate union-find 0.4.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate union-find 0.4.4
[INFO] finished tweaking crates.io crate union-find 0.4.4
[INFO] tweaked toml for crates.io crate union-find 0.4.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate union-find 0.4.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate union-find 0.4.4 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3b542160814d96a47397269576c2e38556485f5136d01b919a8e09d8489c872
[INFO] running `Command { std: "docker" "start" "-a" "e3b542160814d96a47397269576c2e38556485f5136d01b919a8e09d8489c872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3b542160814d96a47397269576c2e38556485f5136d01b919a8e09d8489c872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b542160814d96a47397269576c2e38556485f5136d01b919a8e09d8489c872", kill_on_drop: false }`
[INFO] [stdout] e3b542160814d96a47397269576c2e38556485f5136d01b919a8e09d8489c872
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf1b00c25a8d48870bba8ac6aeff7f769d4c877703765b54c43c5388439493f2
[INFO] running `Command { std: "docker" "start" "-a" "cf1b00c25a8d48870bba8ac6aeff7f769d4c877703765b54c43c5388439493f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling union-find v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "cf1b00c25a8d48870bba8ac6aeff7f769d4c877703765b54c43c5388439493f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1b00c25a8d48870bba8ac6aeff7f769d4c877703765b54c43c5388439493f2", kill_on_drop: false }`
[INFO] [stdout] cf1b00c25a8d48870bba8ac6aeff7f769d4c877703765b54c43c5388439493f2
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9b0d6be397eacce6d655119c21f5f00e9530fb71d84d476cc9d59764f6f1b3f
[INFO] running `Command { std: "docker" "start" "-a" "f9b0d6be397eacce6d655119c21f5f00e9530fb71d84d476cc9d59764f6f1b3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.80
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.59
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling criterion-plot v0.8.2
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.8.2
[INFO] [stderr]    Compiling union-find v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 24.44s
[INFO] running `Command { std: "docker" "inspect" "f9b0d6be397eacce6d655119c21f5f00e9530fb71d84d476cc9d59764f6f1b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b0d6be397eacce6d655119c21f5f00e9530fb71d84d476cc9d59764f6f1b3f", kill_on_drop: false }`
[INFO] [stdout] f9b0d6be397eacce6d655119c21f5f00e9530fb71d84d476cc9d59764f6f1b3f
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26260eacf7cb3cd4fcc3c298d777b7161c75a2edac55369c0c484842aed07a0a
[INFO] running `Command { std: "docker" "start" "-a" "26260eacf7cb3cd4fcc3c298d777b7161c75a2edac55369c0c484842aed07a0a", 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/union_find-fd873b896cc00efe)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::quick_find::union_find ... ok
[INFO] [stdout] test tests::quick_union::union_find ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests union_find
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26260eacf7cb3cd4fcc3c298d777b7161c75a2edac55369c0c484842aed07a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26260eacf7cb3cd4fcc3c298d777b7161c75a2edac55369c0c484842aed07a0a", kill_on_drop: false }`
[INFO] [stdout] 26260eacf7cb3cd4fcc3c298d777b7161c75a2edac55369c0c484842aed07a0a