[INFO] fetching crate heapless_topo 0.1.4...
[INFO] testing heapless_topo-0.1.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate heapless_topo 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate heapless_topo 0.1.4
[INFO] finished tweaking crates.io crate heapless_topo 0.1.4
[INFO] tweaked toml for crates.io crate heapless_topo 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate heapless_topo 0.1.4 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding defmt v0.3.100 (available: v1.0.1)
[INFO] [stderr]       Adding heapless v0.8.0 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12d58e833bee3c9294f9861076c6d01c97a9d9d7a97bf0b3b9c9f3bf9b987f19
[INFO] running `Command { std: "docker" "start" "-a" "12d58e833bee3c9294f9861076c6d01c97a9d9d7a97bf0b3b9c9f3bf9b987f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12d58e833bee3c9294f9861076c6d01c97a9d9d7a97bf0b3b9c9f3bf9b987f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d58e833bee3c9294f9861076c6d01c97a9d9d7a97bf0b3b9c9f3bf9b987f19", kill_on_drop: false }`
[INFO] [stdout] 12d58e833bee3c9294f9861076c6d01c97a9d9d7a97bf0b3b9c9f3bf9b987f19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7efa4ae5fa374d2377d3df86abfac259b13fd7a4cf93bc9a16e58d43dbeea31b
[INFO] running `Command { std: "docker" "start" "-a" "7efa4ae5fa374d2377d3df86abfac259b13fd7a4cf93bc9a16e58d43dbeea31b", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling heapless_topo v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "7efa4ae5fa374d2377d3df86abfac259b13fd7a4cf93bc9a16e58d43dbeea31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7efa4ae5fa374d2377d3df86abfac259b13fd7a4cf93bc9a16e58d43dbeea31b", kill_on_drop: false }`
[INFO] [stdout] 7efa4ae5fa374d2377d3df86abfac259b13fd7a4cf93bc9a16e58d43dbeea31b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e8b6c4dd1d57398d1f6ed2f436e0e0f94e4d64c4338a07d8354fb3c0de8fcab
[INFO] running `Command { std: "docker" "start" "-a" "1e8b6c4dd1d57398d1f6ed2f436e0e0f94e4d64c4338a07d8354fb3c0de8fcab", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless_topo v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "1e8b6c4dd1d57398d1f6ed2f436e0e0f94e4d64c4338a07d8354fb3c0de8fcab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e8b6c4dd1d57398d1f6ed2f436e0e0f94e4d64c4338a07d8354fb3c0de8fcab", kill_on_drop: false }`
[INFO] [stdout] 1e8b6c4dd1d57398d1f6ed2f436e0e0f94e4d64c4338a07d8354fb3c0de8fcab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74ac0a5d4843f293c480c4c2b40f0d01039a888e4eb4e7e2be7af69b3dc6cf92
[INFO] running `Command { std: "docker" "start" "-a" "74ac0a5d4843f293c480c4c2b40f0d01039a888e4eb4e7e2be7af69b3dc6cf92", 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/heapless_topo-6ccb80595dde36f9)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::err_cycles ... ok
[INFO] [stdout] test tests::ok_branching ... ok
[INFO] [stdout] test tests::ok_with_push ... ok
[INFO] [stdout] test tests::ok ... ok
[INFO] [stdout] test tests::err_num_nodes_greater_than_num_edges ... ok
[INFO] [stdout] test tests::err_too_many_edges ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests heapless_topo
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 15) stdout ----
[INFO] [stdout] error[E0277]: `heapless_topo::Error` doesn't implement `Debug`
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | assert_eq!(Ok(expected), sorted);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `heapless_topo::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is implemented for `Result<T, E>`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `heapless_topo::Error` doesn't implement `Debug`
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | assert_eq!(Ok(expected), sorted);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `heapless_topo::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is implemented for `Result<T, E>`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 15)
[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" "74ac0a5d4843f293c480c4c2b40f0d01039a888e4eb4e7e2be7af69b3dc6cf92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ac0a5d4843f293c480c4c2b40f0d01039a888e4eb4e7e2be7af69b3dc6cf92", kill_on_drop: false }`
[INFO] [stdout] 74ac0a5d4843f293c480c4c2b40f0d01039a888e4eb4e7e2be7af69b3dc6cf92
