[INFO] fetching crate debug_unwraps 0.1.0...
[INFO] testing debug_unwraps-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate debug_unwraps 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate debug_unwraps 0.1.0
[INFO] finished tweaking crates.io crate debug_unwraps 0.1.0
[INFO] tweaked toml for crates.io crate debug_unwraps 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate debug_unwraps 0.1.0 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] 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e2a2ca601fecd0d1914aeed5b1d7bca79b8d414b302a5e59329c0d664883b3ea
[INFO] running `Command { std: "docker" "start" "-a" "e2a2ca601fecd0d1914aeed5b1d7bca79b8d414b302a5e59329c0d664883b3ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2a2ca601fecd0d1914aeed5b1d7bca79b8d414b302a5e59329c0d664883b3ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a2ca601fecd0d1914aeed5b1d7bca79b8d414b302a5e59329c0d664883b3ea", kill_on_drop: false }`
[INFO] [stdout] e2a2ca601fecd0d1914aeed5b1d7bca79b8d414b302a5e59329c0d664883b3ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 73a8ba2c222274f908de1874ddb4b5f94d3c921eebe68ea282334fbed9f48ef0
[INFO] running `Command { std: "docker" "start" "-a" "73a8ba2c222274f908de1874ddb4b5f94d3c921eebe68ea282334fbed9f48ef0", kill_on_drop: false }`
[INFO] [stderr]    Compiling debug_unwraps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "73a8ba2c222274f908de1874ddb4b5f94d3c921eebe68ea282334fbed9f48ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a8ba2c222274f908de1874ddb4b5f94d3c921eebe68ea282334fbed9f48ef0", kill_on_drop: false }`
[INFO] [stdout] 73a8ba2c222274f908de1874ddb4b5f94d3c921eebe68ea282334fbed9f48ef0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bf2bf9b676d3adedc6827c0d7ef9e44ba5d37b268895e79d5c65a4ce71faa408
[INFO] running `Command { std: "docker" "start" "-a" "bf2bf9b676d3adedc6827c0d7ef9e44ba5d37b268895e79d5c65a4ce71faa408", kill_on_drop: false }`
[INFO] [stderr]    Compiling debug_unwraps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "bf2bf9b676d3adedc6827c0d7ef9e44ba5d37b268895e79d5c65a4ce71faa408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2bf9b676d3adedc6827c0d7ef9e44ba5d37b268895e79d5c65a4ce71faa408", kill_on_drop: false }`
[INFO] [stdout] bf2bf9b676d3adedc6827c0d7ef9e44ba5d37b268895e79d5c65a4ce71faa408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4c27c5f733d7d5e964ddc432b579e66f28a272bac63e441b46b6d3e77c48daca
[INFO] running `Command { std: "docker" "start" "-a" "4c27c5f733d7d5e964ddc432b579e66f28a272bac63e441b46b6d3e77c48daca", 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/debug_unwraps-2f1b25cc921d1474)
[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 debug_unwraps
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 90) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 131) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 17) stdout ----
[INFO] [stdout] error[E0560]: struct `NumTreeBuilder` has no field named `names`
[INFO] [stdout]   --> src/lib.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             names: vec![Vec::new()],
[INFO] [stdout]    |             ^^^^^ `NumTreeBuilder` does not have this field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `data`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0560`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 90) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `NumTreeBuilder` in this scope
[INFO] [stdout]  --> src/lib.rs:91:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl NumTreeBuilder {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 131) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `NumTreeBuilder` in this scope
[INFO] [stdout]  --> src/lib.rs:133:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl NumTreeBuilder {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 131)
[INFO] [stdout]     src/lib.rs - (line 17)
[INFO] [stdout]     src/lib.rs - (line 90)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4c27c5f733d7d5e964ddc432b579e66f28a272bac63e441b46b6d3e77c48daca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c27c5f733d7d5e964ddc432b579e66f28a272bac63e441b46b6d3e77c48daca", kill_on_drop: false }`
[INFO] [stdout] 4c27c5f733d7d5e964ddc432b579e66f28a272bac63e441b46b6d3e77c48daca