[INFO] cloning repository https://github.com/collivie/rusty_mahjong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/collivie/rusty_mahjong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcollivie%2Frusty_mahjong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcollivie%2Frusty_mahjong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9447a85cd35634123bf9250d371ae1a2bd378966
[INFO] testing collivie/rusty_mahjong against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcollivie%2Frusty_mahjong" "/workspace/builds/worker-74/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/collivie/rusty_mahjong on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/collivie/rusty_mahjong
[INFO] finished tweaking git repo https://github.com/collivie/rusty_mahjong
[INFO] tweaked toml for git repo https://github.com/collivie/rusty_mahjong written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate git repo https://github.com/collivie/rusty_mahjong already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87eb205d67acab9d38c0a314e0705ae37c11ee50d31d667de0cb60a634220fc1
[INFO] running `Command { std: "docker" "start" "-a" "87eb205d67acab9d38c0a314e0705ae37c11ee50d31d667de0cb60a634220fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87eb205d67acab9d38c0a314e0705ae37c11ee50d31d667de0cb60a634220fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87eb205d67acab9d38c0a314e0705ae37c11ee50d31d667de0cb60a634220fc1", kill_on_drop: false }`
[INFO] [stdout] 87eb205d67acab9d38c0a314e0705ae37c11ee50d31d667de0cb60a634220fc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bed2f19e35c7f98c83c94df85eae44606b537ab52e24cc05444f54ecf1892968
[INFO] running `Command { std: "docker" "start" "-a" "bed2f19e35c7f98c83c94df85eae44606b537ab52e24cc05444f54ecf1892968", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rusty_mahjong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `completing_tile`
[INFO] [stdout]   --> src/hand/meld.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     completing_tile : Tile, // The tile that comes from another player's discord 
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source`
[INFO] [stdout]   --> src/hand/meld.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     source : Wind, // The player that discarded the completing tile
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ExtractionFunction`
[INFO] [stdout]   --> src/hand/hand_arrangement.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | type ExtractionFunction = fn(&HandArrangement, tiles : &Vec<Tile>) -> Option<(HandArrangement, Vec<Tile>)>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume`
[INFO] [stdout]   --> src/hand/hand_arrangement.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn consume(&self, hidden_tiles : &Vec<Tile>) -> Vec<HandArrangement> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract`
[INFO] [stdout]   --> src/hand/hand_arrangement.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn extract(
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_pon`
[INFO] [stdout]   --> src/hand/hand_arrangement.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn extract_pon(&self, hidden_tiles : &Vec<Tile>) -> Option<(HandArrangement, Vec<Tile>)> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_pair`
[INFO] [stdout]    --> src/hand/hand_arrangement.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn extract_pair(&self, hidden_tiles : &Vec<Tile>) -> Option<(HandArrangement, Vec<Tile>)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_chii`
[INFO] [stdout]    --> src/hand/hand_arrangement.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn extract_chii(&self, hidden_tiles : &Vec<Tile>) -> Option<(HandArrangement, Vec<Tile>)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_pon_wait`
[INFO] [stdout]    --> src/hand/hand_arrangement.rs:187:8
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn extract_pon_wait(&self, hidden_tiles : &Vec<Tile>) -> Option<(HandArrangement, Vec<Tile>)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_pair_wait`
[INFO] [stdout]    --> src/hand/hand_arrangement.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn extract_pair_wait(&self, hidden_tiles : &Vec<Tile>) -> Option<(HandArrangement, Vec<Tile>)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_chii_side_wait`
[INFO] [stdout]    --> src/hand/hand_arrangement.rs:234:8
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn extract_chii_side_wait(&self, hidden_tiles : &Vec<Tile>) -> Option<(HandArrangement, Vec<Tile>)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_chii_middle_wait`
[INFO] [stdout]    --> src/hand/hand_arrangement.rs:276:8
[INFO] [stdout]     |
[INFO] [stdout] 276 |     fn extract_chii_middle_wait(&self, hidden_tiles : &Vec<Tile>) -> Option<(HandArrangement, Vec<Tile>)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "bed2f19e35c7f98c83c94df85eae44606b537ab52e24cc05444f54ecf1892968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed2f19e35c7f98c83c94df85eae44606b537ab52e24cc05444f54ecf1892968", kill_on_drop: false }`
[INFO] [stdout] bed2f19e35c7f98c83c94df85eae44606b537ab52e24cc05444f54ecf1892968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5e0a1b153c11080f64f099f94dcbb50f781f45514c2dd9b3d1b68c9534e03dc
[INFO] running `Command { std: "docker" "start" "-a" "b5e0a1b153c11080f64f099f94dcbb50f781f45514c2dd9b3d1b68c9534e03dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rusty_mahjong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `completing_tile`
[INFO] [stdout]   --> src/hand/meld.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     completing_tile : Tile, // The tile that comes from another player's discord 
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source`
[INFO] [stdout]   --> src/hand/meld.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     source : Wind, // The player that discarded the completing tile
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "b5e0a1b153c11080f64f099f94dcbb50f781f45514c2dd9b3d1b68c9534e03dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e0a1b153c11080f64f099f94dcbb50f781f45514c2dd9b3d1b68c9534e03dc", kill_on_drop: false }`
[INFO] [stdout] b5e0a1b153c11080f64f099f94dcbb50f781f45514c2dd9b3d1b68c9534e03dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b9b595238b7704920fa35468fa3c1a079153ef5a409756b719c5c45a2078bb3
[INFO] running `Command { std: "docker" "start" "-a" "9b9b595238b7704920fa35468fa3c1a079153ef5a409756b719c5c45a2078bb3", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `completing_tile`
[INFO] [stderr]   --> src/hand/meld.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     completing_tile : Tile, // The tile that comes from another player's discord 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `source`
[INFO] [stderr]   --> src/hand/meld.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     source : Wind, // The player that discarded the completing tile
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty_mahjong` (bin "rusty_mahjong" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusty_mahjong-67fd32af0cecdee3)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test hand::hand_arrangement::tests::test_chii2 ... ok
[INFO] [stdout] test hand::hand_arrangement::tests::test2 ... ok
[INFO] [stdout] test hand::hand_arrangement::tests::test_pair_wait ... ok
[INFO] [stdout] test hand::hand_arrangement::tests::test_pon ... ok
[INFO] [stdout] test hand::hand_arrangement::tests::test_pon_wait ... ok
[INFO] [stdout] test tile::suit::tests::test_debug ... ok
[INFO] [stdout] test tile::suit::tests::test_followed_by ... ok
[INFO] [stdout] test hand::hand_arrangement::tests::test_pinfu ... ok
[INFO] [stdout] test tile::suit::tests::test_invalid_tile ... ok
[INFO] [stdout] test hand::hand_arrangement::tests::test_chii ... ok
[INFO] [stdout] test tile::suit::tests::test_next ... ok
[INFO] [stdout] test tile::suit::tests::test_next_dora ... ok
[INFO] [stdout] test tile::suit::tests::test_suit_display ... ok
[INFO] [stdout] test tile::suit::tests::test_suit_order ... ok
[INFO] [stdout] test tile::suit::tests::test_valid_tile ... ok
[INFO] [stdout] test tile::tile_value::tests::test_next_dora ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b9b595238b7704920fa35468fa3c1a079153ef5a409756b719c5c45a2078bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9b595238b7704920fa35468fa3c1a079153ef5a409756b719c5c45a2078bb3", kill_on_drop: false }`
[INFO] [stdout] 9b9b595238b7704920fa35468fa3c1a079153ef5a409756b719c5c45a2078bb3