[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcollivie%2Frusty_mahjong" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/collivie/rusty_mahjong on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-24/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1060d111bf68560a0bea677245725a59cb025ca90992521854b231ddce05020f
[INFO] running `Command { std: "docker" "start" "-a" "1060d111bf68560a0bea677245725a59cb025ca90992521854b231ddce05020f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1060d111bf68560a0bea677245725a59cb025ca90992521854b231ddce05020f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1060d111bf68560a0bea677245725a59cb025ca90992521854b231ddce05020f", kill_on_drop: false }`
[INFO] [stdout] 1060d111bf68560a0bea677245725a59cb025ca90992521854b231ddce05020f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e25d697cbf757f7eadacbbf76b27784ddecfa8dda6edf0d5eaf6345923bb78e
[INFO] running `Command { std: "docker" "start" "-a" "4e25d697cbf757f7eadacbbf76b27784ddecfa8dda6edf0d5eaf6345923bb78e", kill_on_drop: false }`
[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 0.72s
[INFO] running `Command { std: "docker" "inspect" "4e25d697cbf757f7eadacbbf76b27784ddecfa8dda6edf0d5eaf6345923bb78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e25d697cbf757f7eadacbbf76b27784ddecfa8dda6edf0d5eaf6345923bb78e", kill_on_drop: false }`
[INFO] [stdout] 4e25d697cbf757f7eadacbbf76b27784ddecfa8dda6edf0d5eaf6345923bb78e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c12bd53ebfcc58037114fa2a5154a6c7eedec2bf2c9204253e7a0516b6b88c6d
[INFO] running `Command { std: "docker" "start" "-a" "c12bd53ebfcc58037114fa2a5154a6c7eedec2bf2c9204253e7a0516b6b88c6d", kill_on_drop: false }`
[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 1.45s
[INFO] running `Command { std: "docker" "inspect" "c12bd53ebfcc58037114fa2a5154a6c7eedec2bf2c9204253e7a0516b6b88c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12bd53ebfcc58037114fa2a5154a6c7eedec2bf2c9204253e7a0516b6b88c6d", kill_on_drop: false }`
[INFO] [stdout] c12bd53ebfcc58037114fa2a5154a6c7eedec2bf2c9204253e7a0516b6b88c6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9a26fb2ccde1be5b230f67f18e06ac8e9244127693d112f2045bc2a9bbf795d
[INFO] running `Command { std: "docker" "start" "-a" "b9a26fb2ccde1be5b230f67f18e06ac8e9244127693d112f2045bc2a9bbf795d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.21s
[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_chii ... ok
[INFO] [stdout] test hand::hand_arrangement::tests::test_chii2 ... ok
[INFO] [stdout] test hand::hand_arrangement::tests::test_pair_wait ... ok
[INFO] [stdout] test hand::hand_arrangement::tests::test2 ... ok
[INFO] [stdout] test hand::hand_arrangement::tests::test_pinfu ... 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 tile::suit::tests::test_invalid_tile ... ok
[INFO] [stdout] test tile::suit::tests::test_next ... ok
[INFO] [stdout] test tile::suit::tests::test_suit_display ... ok
[INFO] [stdout] test tile::suit::tests::test_next_dora ... 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" "b9a26fb2ccde1be5b230f67f18e06ac8e9244127693d112f2045bc2a9bbf795d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a26fb2ccde1be5b230f67f18e06ac8e9244127693d112f2045bc2a9bbf795d", kill_on_drop: false }`
[INFO] [stdout] b9a26fb2ccde1be5b230f67f18e06ac8e9244127693d112f2045bc2a9bbf795d