[INFO] fetching crate tree_multiset 0.1.0...
[INFO] testing tree_multiset-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tree_multiset 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tree_multiset 0.1.0
[INFO] finished tweaking crates.io crate tree_multiset 0.1.0
[INFO] tweaked toml for crates.io crate tree_multiset 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree_multiset 0.1.0 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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[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] f71ce230b29210c2c3cd958e454c15b37788fa2a2337aa1e6e27711fedd1987c
[INFO] running `Command { std: "docker" "start" "-a" "f71ce230b29210c2c3cd958e454c15b37788fa2a2337aa1e6e27711fedd1987c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f71ce230b29210c2c3cd958e454c15b37788fa2a2337aa1e6e27711fedd1987c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71ce230b29210c2c3cd958e454c15b37788fa2a2337aa1e6e27711fedd1987c", kill_on_drop: false }`
[INFO] [stdout] f71ce230b29210c2c3cd958e454c15b37788fa2a2337aa1e6e27711fedd1987c
[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] bf38fa842a2a9f5b31217ea473a9ebfddb282f4c323843b4e69df84639d3ffed
[INFO] running `Command { std: "docker" "start" "-a" "bf38fa842a2a9f5b31217ea473a9ebfddb282f4c323843b4e69df84639d3ffed", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree_multiset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "bf38fa842a2a9f5b31217ea473a9ebfddb282f4c323843b4e69df84639d3ffed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf38fa842a2a9f5b31217ea473a9ebfddb282f4c323843b4e69df84639d3ffed", kill_on_drop: false }`
[INFO] [stdout] bf38fa842a2a9f5b31217ea473a9ebfddb282f4c323843b4e69df84639d3ffed
[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] 86c3f1a088c2755c4708ba6da698a17e31f264b5753e0c42de45ce7869dce942
[INFO] running `Command { std: "docker" "start" "-a" "86c3f1a088c2755c4708ba6da698a17e31f264b5753e0c42de45ce7869dce942", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree_multiset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "86c3f1a088c2755c4708ba6da698a17e31f264b5753e0c42de45ce7869dce942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c3f1a088c2755c4708ba6da698a17e31f264b5753e0c42de45ce7869dce942", kill_on_drop: false }`
[INFO] [stdout] 86c3f1a088c2755c4708ba6da698a17e31f264b5753e0c42de45ce7869dce942
[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] b5e1b50de5b0f675a49621ba63703800a0294a8cb931ac01870bbbbcc61fcf75
[INFO] running `Command { std: "docker" "start" "-a" "b5e1b50de5b0f675a49621ba63703800a0294a8cb931ac01870bbbbcc61fcf75", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tree_multiset-4ed8e1701af4817a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_empty_test ... ok
[INFO] [stdout] test tests::test_insert_remove ... ok
[INFO] [stdout] test tests::test_count ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stdout] test tests::test_contains ... ok
[INFO] [stdout] test tests::test_range ... ok
[INFO] [stdout] test tests::test_rev_iter ... ok
[INFO] [stderr]    Doc-tests tree_multiset
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `tree_multi_set`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tree_multi_set::TreeMultiSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `tree_multi_set`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 - use tree_multi_set::TreeMultiSet;
[INFO] [stdout] 3 + use tree_multiset::TreeMultiSet;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b5e1b50de5b0f675a49621ba63703800a0294a8cb931ac01870bbbbcc61fcf75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e1b50de5b0f675a49621ba63703800a0294a8cb931ac01870bbbbcc61fcf75", kill_on_drop: false }`
[INFO] [stdout] b5e1b50de5b0f675a49621ba63703800a0294a8cb931ac01870bbbbcc61fcf75