[INFO] cloning repository https://github.com/skylerselfridge/mmheaps
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skylerselfridge/mmheaps" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskylerselfridge%2Fmmheaps", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskylerselfridge%2Fmmheaps'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db2afd91ca70e69c93564848d89c2b07f1faaa7e
[INFO] testing skylerselfridge/mmheaps against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskylerselfridge%2Fmmheaps" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/skylerselfridge/mmheaps
[INFO] finished tweaking git repo https://github.com/skylerselfridge/mmheaps
[INFO] tweaked toml for git repo https://github.com/skylerselfridge/mmheaps written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skylerselfridge/mmheaps on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/skylerselfridge/mmheaps 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73cb6a069925121ac1b47e2d5f3ec6f310e87eebe2e7f4d4d4728fb5bd4143ba
[INFO] running `Command { std: "docker" "start" "-a" "73cb6a069925121ac1b47e2d5f3ec6f310e87eebe2e7f4d4d4728fb5bd4143ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73cb6a069925121ac1b47e2d5f3ec6f310e87eebe2e7f4d4d4728fb5bd4143ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73cb6a069925121ac1b47e2d5f3ec6f310e87eebe2e7f4d4d4728fb5bd4143ba", kill_on_drop: false }`
[INFO] [stdout] 73cb6a069925121ac1b47e2d5f3ec6f310e87eebe2e7f4d4d4728fb5bd4143ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce3a836810413ac242b55e12d895505893a43f1152d7b0dd3bb566b2c5ba390c
[INFO] running `Command { std: "docker" "start" "-a" "ce3a836810413ac242b55e12d895505893a43f1152d7b0dd3bb566b2c5ba390c", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling mmheaps v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "ce3a836810413ac242b55e12d895505893a43f1152d7b0dd3bb566b2c5ba390c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3a836810413ac242b55e12d895505893a43f1152d7b0dd3bb566b2c5ba390c", kill_on_drop: false }`
[INFO] [stdout] ce3a836810413ac242b55e12d895505893a43f1152d7b0dd3bb566b2c5ba390c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04e61e94180e2d46e91112bf239abf6dfb1714c6ed6dc586182ce23d045b87b4
[INFO] running `Command { std: "docker" "start" "-a" "04e61e94180e2d46e91112bf239abf6dfb1714c6ed6dc586182ce23d045b87b4", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling mmheaps v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "04e61e94180e2d46e91112bf239abf6dfb1714c6ed6dc586182ce23d045b87b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e61e94180e2d46e91112bf239abf6dfb1714c6ed6dc586182ce23d045b87b4", kill_on_drop: false }`
[INFO] [stdout] 04e61e94180e2d46e91112bf239abf6dfb1714c6ed6dc586182ce23d045b87b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25b6c7b092ae35b11ac1903247e93438b5256cccce83ebe2c5ebcb084b5b27d6
[INFO] running `Command { std: "docker" "start" "-a" "25b6c7b092ae35b11ac1903247e93438b5256cccce83ebe2c5ebcb084b5b27d6", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mmheaps-ee6d92f1f5d47688)
[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] [stderr]    Doc-tests mmheaps
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/min_heap/min.rs - min_heap::min::MinHeap (line 23) ... FAILED
[INFO] [stdout] test src/max_heap/max.rs - max_heap::max::MaxHeap (line 23) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/min_heap/min.rs - min_heap::min::MinHeap (line 23) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MinHeap`
[INFO] [stdout]   --> src/min_heap/min.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 | let min_heap = MinHeap::<i32>::new();
[INFO] [stdout]    |                ^^^^^^^ use of undeclared type `MinHeap`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 23 + use mmheaps::min_heap::min::MinHeap;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected function, found macro `println`
[INFO] [stdout]   --> src/min_heap/min.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 |    println("{:?}",i);
[INFO] [stdout]    |    ^^^^^^^ not a function
[INFO] [stdout]    |
[INFO] [stdout] help: use `!` to invoke the macro
[INFO] [stdout]    |
[INFO] [stdout] 30 |    println!("{:?}",i);
[INFO] [stdout]    |           +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0423, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/max_heap/max.rs - max_heap::max::MaxHeap (line 23) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MaxHeap`
[INFO] [stdout]   --> src/max_heap/max.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 | let max_heap = MaxHeap::<i32>::new();
[INFO] [stdout]    |                ^^^^^^^ use of undeclared type `MaxHeap`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 23 + use mmheaps::max_heap::max::MaxHeap;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected function, found macro `println`
[INFO] [stdout]   --> src/max_heap/max.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     println("{:?}",i);
[INFO] [stdout]    |     ^^^^^^^ not a function
[INFO] [stdout]    |
[INFO] [stdout] help: use `!` to invoke the macro
[INFO] [stdout]    |
[INFO] [stdout] 29 |     println!("{:?}",i);
[INFO] [stdout]    |            +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0423, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/max_heap/max.rs - max_heap::max::MaxHeap (line 23)
[INFO] [stdout]     src/min_heap/min.rs - min_heap::min::MinHeap (line 23)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "25b6c7b092ae35b11ac1903247e93438b5256cccce83ebe2c5ebcb084b5b27d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b6c7b092ae35b11ac1903247e93438b5256cccce83ebe2c5ebcb084b5b27d6", kill_on_drop: false }`
[INFO] [stdout] 25b6c7b092ae35b11ac1903247e93438b5256cccce83ebe2c5ebcb084b5b27d6
