[INFO] cloning repository https://github.com/Alumin112/Othello
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alumin112/Othello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlumin112%2FOthello", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlumin112%2FOthello'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13b93859cc0582a10b9c001d235cfa0a622f87af
[INFO] testing Alumin112/Othello against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlumin112%2FOthello" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Alumin112/Othello on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Alumin112/Othello
[INFO] finished tweaking git repo https://github.com/Alumin112/Othello
[INFO] tweaked toml for git repo https://github.com/Alumin112/Othello written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/Alumin112/Othello already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7255e8939b1e5378ffe92999e0a0a0862cb22e9107ac112049f44d106fedfb24
[INFO] running `Command { std: "docker" "start" "-a" "7255e8939b1e5378ffe92999e0a0a0862cb22e9107ac112049f44d106fedfb24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7255e8939b1e5378ffe92999e0a0a0862cb22e9107ac112049f44d106fedfb24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7255e8939b1e5378ffe92999e0a0a0862cb22e9107ac112049f44d106fedfb24", kill_on_drop: false }`
[INFO] [stdout] 7255e8939b1e5378ffe92999e0a0a0862cb22e9107ac112049f44d106fedfb24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc6096a7e3f6e6b18482736541d18a387058bb40a95b41e0d8083d0390bece4f
[INFO] running `Command { std: "docker" "start" "-a" "bc6096a7e3f6e6b18482736541d18a387058bb40a95b41e0d8083d0390bece4f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling othello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/ai.rs:582:9
[INFO] [stdout]     |
[INFO] [stdout] 581 |         return None;
[INFO] [stdout]     |         ----------- any code following this expression is unreachable
[INFO] [stdout] 582 |         let mut rng = thread_rng();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opening`
[INFO] [stdout]    --> src/ai.rs:580:35
[INFO] [stdout]     |
[INFO] [stdout] 580 |     fn get_move_from_opening_book(opening: &str) -> Option<String> {
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opening`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.16s
[INFO] running `Command { std: "docker" "inspect" "bc6096a7e3f6e6b18482736541d18a387058bb40a95b41e0d8083d0390bece4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6096a7e3f6e6b18482736541d18a387058bb40a95b41e0d8083d0390bece4f", kill_on_drop: false }`
[INFO] [stdout] bc6096a7e3f6e6b18482736541d18a387058bb40a95b41e0d8083d0390bece4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8df4ebde64f0bc0f06ee5c50ebb4de2312d674a8b5e2afd4a7018a7e09b09af
[INFO] running `Command { std: "docker" "start" "-a" "d8df4ebde64f0bc0f06ee5c50ebb4de2312d674a8b5e2afd4a7018a7e09b09af", kill_on_drop: false }`
[INFO] [stderr]    Compiling othello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/ai.rs:582:9
[INFO] [stdout]     |
[INFO] [stdout] 581 |         return None;
[INFO] [stdout]     |         ----------- any code following this expression is unreachable
[INFO] [stdout] 582 |         let mut rng = thread_rng();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opening`
[INFO] [stdout]    --> src/ai.rs:580:35
[INFO] [stdout]     |
[INFO] [stdout] 580 |     fn get_move_from_opening_book(opening: &str) -> Option<String> {
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opening`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/ai.rs:582:9
[INFO] [stdout]     |
[INFO] [stdout] 581 |         return None;
[INFO] [stdout]     |         ----------- any code following this expression is unreachable
[INFO] [stdout] 582 |         let mut rng = thread_rng();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opening`
[INFO] [stdout]    --> src/ai.rs:580:35
[INFO] [stdout]     |
[INFO] [stdout] 580 |     fn get_move_from_opening_book(opening: &str) -> Option<String> {
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opening`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "d8df4ebde64f0bc0f06ee5c50ebb4de2312d674a8b5e2afd4a7018a7e09b09af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8df4ebde64f0bc0f06ee5c50ebb4de2312d674a8b5e2afd4a7018a7e09b09af", kill_on_drop: false }`
[INFO] [stdout] d8df4ebde64f0bc0f06ee5c50ebb4de2312d674a8b5e2afd4a7018a7e09b09af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e94de7042eb7f1147afcce52ae11c93ba72d0f4b4fe6f4211c545b57a0280307
[INFO] running `Command { std: "docker" "start" "-a" "e94de7042eb7f1147afcce52ae11c93ba72d0f4b4fe6f4211c545b57a0280307", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/ai.rs:582:9
[INFO] [stderr]     |
[INFO] [stderr] 581 |         return None;
[INFO] [stderr]     |         ----------- any code following this expression is unreachable
[INFO] [stderr] 582 |         let mut rng = thread_rng();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opening`
[INFO] [stderr]    --> src/ai.rs:580:35
[INFO] [stderr]     |
[INFO] [stderr] 580 |     fn get_move_from_opening_book(opening: &str) -> Option<String> {
[INFO] [stderr]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opening`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `othello` (lib) generated 2 warnings
[INFO] [stderr] warning: `othello` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/othello-4fb36ea412ae0fce)
[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]      Running unittests (/opt/rustwide/target/debug/deps/othello-83bea4c22efa88f6)
[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 othello
[INFO] [stderr] error[E0659]: `othello` is ambiguous
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub use othello::*;
[INFO] [stderr]   |         ^^^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: ambiguous because of multiple potential import sources
[INFO] [stderr]   = note: `othello` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::othello` to refer to this crate unambiguously
[INFO] [stderr] note: `othello` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod othello;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   = help: use `crate::othello` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "e94de7042eb7f1147afcce52ae11c93ba72d0f4b4fe6f4211c545b57a0280307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e94de7042eb7f1147afcce52ae11c93ba72d0f4b4fe6f4211c545b57a0280307", kill_on_drop: false }`
[INFO] [stdout] e94de7042eb7f1147afcce52ae11c93ba72d0f4b4fe6f4211c545b57a0280307