[INFO] fetching crate multisets 0.0.0...
[INFO] testing multisets-0.0.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate multisets 0.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate multisets 0.0.0
[INFO] finished tweaking crates.io crate multisets 0.0.0
[INFO] tweaked toml for crates.io crate multisets 0.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate multisets 0.0.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1af775601e76e8fc4814eab901b94f83db22e6c85b58e70abb09d636b34e1c1b
[INFO] running `Command { std: "docker" "start" "-a" "1af775601e76e8fc4814eab901b94f83db22e6c85b58e70abb09d636b34e1c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1af775601e76e8fc4814eab901b94f83db22e6c85b58e70abb09d636b34e1c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af775601e76e8fc4814eab901b94f83db22e6c85b58e70abb09d636b34e1c1b", kill_on_drop: false }`
[INFO] [stdout] 1af775601e76e8fc4814eab901b94f83db22e6c85b58e70abb09d636b34e1c1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6447dd2d883d8cd873e3fcfa7cd1fae4b71a0e6b286cf15e375a452a084d89f6
[INFO] running `Command { std: "docker" "start" "-a" "6447dd2d883d8cd873e3fcfa7cd1fae4b71a0e6b286cf15e375a452a084d89f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling multisets v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "6447dd2d883d8cd873e3fcfa7cd1fae4b71a0e6b286cf15e375a452a084d89f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6447dd2d883d8cd873e3fcfa7cd1fae4b71a0e6b286cf15e375a452a084d89f6", kill_on_drop: false }`
[INFO] [stdout] 6447dd2d883d8cd873e3fcfa7cd1fae4b71a0e6b286cf15e375a452a084d89f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 60502a3a04e6ecb3b04225a8ae3025fd0a253216cc8cbf2c21a766960606e13e
[INFO] running `Command { std: "docker" "start" "-a" "60502a3a04e6ecb3b04225a8ae3025fd0a253216cc8cbf2c21a766960606e13e", kill_on_drop: false }`
[INFO] [stderr]    Compiling multisets v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "60502a3a04e6ecb3b04225a8ae3025fd0a253216cc8cbf2c21a766960606e13e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60502a3a04e6ecb3b04225a8ae3025fd0a253216cc8cbf2c21a766960606e13e", kill_on_drop: false }`
[INFO] [stdout] 60502a3a04e6ecb3b04225a8ae3025fd0a253216cc8cbf2c21a766960606e13e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 38890becc1e5632af29f6a6520809c57a234754d5521085558384d7c09ef0332
[INFO] running `Command { std: "docker" "start" "-a" "38890becc1e5632af29f6a6520809c57a234754d5521085558384d7c09ef0332", 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/multisets-e0590aeb171c24d0)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::can_construct_empty_and_debug ... ok
[INFO] [stdout] test tests::can_insert_stuff ... ok
[INFO] [stdout] test tests::can_remove_stuff ... ok
[INFO] [stderr]    Doc-tests multisets
[INFO] [stdout] test tests::len_and_cardinality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[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" "38890becc1e5632af29f6a6520809c57a234754d5521085558384d7c09ef0332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38890becc1e5632af29f6a6520809c57a234754d5521085558384d7c09ef0332", kill_on_drop: false }`
[INFO] [stdout] 38890becc1e5632af29f6a6520809c57a234754d5521085558384d7c09ef0332