[INFO] cloning repository https://github.com/b1ek/powlib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/b1ek/powlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb1ek%2Fpowlib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb1ek%2Fpowlib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d1426b60dc86684ba948ceb3b29f84fac175e07
[INFO] testing b1ek/powlib 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%2Fb1ek%2Fpowlib" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/b1ek/powlib
[INFO] finished tweaking git repo https://github.com/b1ek/powlib
[INFO] tweaked toml for git repo https://github.com/b1ek/powlib written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/b1ek/powlib 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/b1ek/powlib 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] 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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e60944409cad3d1c89b5858c5327673bfd502e7180997024837625623684b90e
[INFO] running `Command { std: "docker" "start" "-a" "e60944409cad3d1c89b5858c5327673bfd502e7180997024837625623684b90e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e60944409cad3d1c89b5858c5327673bfd502e7180997024837625623684b90e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60944409cad3d1c89b5858c5327673bfd502e7180997024837625623684b90e", kill_on_drop: false }`
[INFO] [stdout] e60944409cad3d1c89b5858c5327673bfd502e7180997024837625623684b90e
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e8491d9de0673009037485e932f81930bbf3441707ac55e945924596edee396
[INFO] running `Command { std: "docker" "start" "-a" "7e8491d9de0673009037485e932f81930bbf3441707ac55e945924596edee396", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling password-hash v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling salsa20 v0.10.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.7
[INFO] [stderr]    Compiling pbkdf2 v0.12.2
[INFO] [stderr]    Compiling scrypt v0.11.0
[INFO] [stderr]    Compiling powlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `Command { std: "docker" "inspect" "7e8491d9de0673009037485e932f81930bbf3441707ac55e945924596edee396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8491d9de0673009037485e932f81930bbf3441707ac55e945924596edee396", kill_on_drop: false }`
[INFO] [stdout] 7e8491d9de0673009037485e932f81930bbf3441707ac55e945924596edee396
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0763192a850b7aaf6bb6bbf5a3ce163ddf8549172476921e6190258f6217cd0d
[INFO] running `Command { std: "docker" "start" "-a" "0763192a850b7aaf6bb6bbf5a3ce163ddf8549172476921e6190258f6217cd0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling powlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "0763192a850b7aaf6bb6bbf5a3ce163ddf8549172476921e6190258f6217cd0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0763192a850b7aaf6bb6bbf5a3ce163ddf8549172476921e6190258f6217cd0d", kill_on_drop: false }`
[INFO] [stdout] 0763192a850b7aaf6bb6bbf5a3ce163ddf8549172476921e6190258f6217cd0d
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b3597c26425d066950458eae93e925e0a6d42ff028361412645f8885282cd259
[INFO] running `Command { std: "docker" "start" "-a" "b3597c26425d066950458eae93e925e0a6d42ff028361412645f8885282cd259", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/powlib-037548542d4b4694)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests powlib
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/solver.rs - solver::POWSolver::chunk_solve_feedback (line 28) ... FAILED
[INFO] [stdout] test src/solver.rs - solver::POWSolver::chunk_solve (line 50) ... FAILED
[INFO] [stdout] test src/solver.rs - solver::POWSolver::chunk_solve (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/solver.rs - solver::POWSolver::chunk_solve_feedback (line 28) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `POWChallenge`
[INFO] [stdout]   --> src/solver.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 | let challenge = POWChallenge::make(POWRange::new(0, 16));
[INFO] [stdout]    |                 ^^^^^^^^^^^^ use of undeclared type `POWChallenge`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 28 + use powlib::gen::POWChallenge;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `POWRange`
[INFO] [stdout]   --> src/solver.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 | let challenge = POWChallenge::make(POWRange::new(0, 16));
[INFO] [stdout]    |                                    ^^^^^^^^ use of undeclared type `POWRange`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 28 + use powlib::gen::POWRange;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `POWSolver`
[INFO] [stdout]   --> src/solver.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | let num = POWSolver::new(challenge).chunk_solve_feedback(0, 16, |x| println!("{}", x)).unwrap();
[INFO] [stdout]    |           ^^^^^^^^^ use of undeclared type `POWSolver`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 28 + use powlib::solver::POWSolver;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/solver.rs - solver::POWSolver::chunk_solve (line 50) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `POWChallenge`
[INFO] [stdout]   --> src/solver.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 | let challenge = POWChallenge::make(POWRange::new(0, 16));
[INFO] [stdout]    |                 ^^^^^^^^^^^^ use of undeclared type `POWChallenge`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 50 + use powlib::gen::POWChallenge;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `POWRange`
[INFO] [stdout]   --> src/solver.rs:51:36
[INFO] [stdout]    |
[INFO] [stdout] 51 | let challenge = POWChallenge::make(POWRange::new(0, 16));
[INFO] [stdout]    |                                    ^^^^^^^^ use of undeclared type `POWRange`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 50 + use powlib::gen::POWRange;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `POWSolver`
[INFO] [stdout]   --> src/solver.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 | let num = POWSolver::new(challenge).chunk_solve(0, 16).unwrap();
[INFO] [stdout]    |           ^^^^^^^^^ use of undeclared type `POWSolver`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 50 + use powlib::solver::POWSolver;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/solver.rs - solver::POWSolver::chunk_solve (line 50)
[INFO] [stdout]     src/solver.rs - solver::POWSolver::chunk_solve_feedback (line 28)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b3597c26425d066950458eae93e925e0a6d42ff028361412645f8885282cd259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3597c26425d066950458eae93e925e0a6d42ff028361412645f8885282cd259", kill_on_drop: false }`
[INFO] [stdout] b3597c26425d066950458eae93e925e0a6d42ff028361412645f8885282cd259
