[INFO] cloning repository https://github.com/dmit/riichi-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmit/riichi-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmit%2Friichi-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmit%2Friichi-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3a4b569466bb601426ba53dad70efcf20824844
[INFO] testing dmit/riichi-rs against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmit%2Friichi-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmit/riichi-rs on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dmit/riichi-rs
[INFO] finished tweaking git repo https://github.com/dmit/riichi-rs
[INFO] tweaked toml for git repo https://github.com/dmit/riichi-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/dmit/riichi-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.14
[INFO] [stderr]   Downloaded libc v0.2.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fee54ec715ec73860ebef5f3ce1d2ae90fff10c67fb067fdb3bfd06fd96fec8
[INFO] running `Command { std: "docker" "start" "-a" "1fee54ec715ec73860ebef5f3ce1d2ae90fff10c67fb067fdb3bfd06fd96fec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fee54ec715ec73860ebef5f3ce1d2ae90fff10c67fb067fdb3bfd06fd96fec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fee54ec715ec73860ebef5f3ce1d2ae90fff10c67fb067fdb3bfd06fd96fec8", kill_on_drop: false }`
[INFO] [stdout] 1fee54ec715ec73860ebef5f3ce1d2ae90fff10c67fb067fdb3bfd06fd96fec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a8c8c33649f3ce15ad7d89be6d4e74bfa964c7b729a8443df3c309e1717d585
[INFO] running `Command { std: "docker" "start" "-a" "2a8c8c33649f3ce15ad7d89be6d4e74bfa964c7b729a8443df3c309e1717d585", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling riichi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `groups`
[INFO] [stdout]    --> src/tile.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let groups = self.groups();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_groups`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `same_type`
[INFO] [stdout]    --> src/tile.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn same_type(a: Tile, b: Tile) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Chi`
[INFO] [stdout]    --> src/tile.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 267 |     Chi,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pon`
[INFO] [stdout]    --> src/tile.rs:268:5
[INFO] [stdout]     |
[INFO] [stdout] 268 |     Pon,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Kan`
[INFO] [stdout]    --> src/tile.rs:269:5
[INFO] [stdout]     |
[INFO] [stdout] 269 |     Kan,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `group_type`
[INFO] [stdout]    --> src/tile.rs:368:8
[INFO] [stdout]     |
[INFO] [stdout] 368 |     fn group_type(tiles: &[Tile]) -> Option<Group> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "2a8c8c33649f3ce15ad7d89be6d4e74bfa964c7b729a8443df3c309e1717d585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a8c8c33649f3ce15ad7d89be6d4e74bfa964c7b729a8443df3c309e1717d585", kill_on_drop: false }`
[INFO] [stdout] 2a8c8c33649f3ce15ad7d89be6d4e74bfa964c7b729a8443df3c309e1717d585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a2c05fe8d186359a4e07f50e3f52f333a9d8d3c41f3daf4c98d393c8cd360be
[INFO] running `Command { std: "docker" "start" "-a" "1a2c05fe8d186359a4e07f50e3f52f333a9d8d3c41f3daf4c98d393c8cd360be", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling riichi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `groups`
[INFO] [stdout]    --> src/tile.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let groups = self.groups();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_groups`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `same_type`
[INFO] [stdout]    --> src/tile.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn same_type(a: Tile, b: Tile) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Chi`
[INFO] [stdout]    --> src/tile.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 267 |     Chi,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pon`
[INFO] [stdout]    --> src/tile.rs:268:5
[INFO] [stdout]     |
[INFO] [stdout] 268 |     Pon,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Kan`
[INFO] [stdout]    --> src/tile.rs:269:5
[INFO] [stdout]     |
[INFO] [stdout] 269 |     Kan,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `group_type`
[INFO] [stdout]    --> src/tile.rs:368:8
[INFO] [stdout]     |
[INFO] [stdout] 368 |     fn group_type(tiles: &[Tile]) -> Option<Group> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "1a2c05fe8d186359a4e07f50e3f52f333a9d8d3c41f3daf4c98d393c8cd360be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2c05fe8d186359a4e07f50e3f52f333a9d8d3c41f3daf4c98d393c8cd360be", kill_on_drop: false }`
[INFO] [stdout] 1a2c05fe8d186359a4e07f50e3f52f333a9d8d3c41f3daf4c98d393c8cd360be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c3c7063b524bc664322eb8c0844499318b53424b4d4d555af7967ed6db37b43
[INFO] running `Command { std: "docker" "start" "-a" "9c3c7063b524bc664322eb8c0844499318b53424b4d4d555af7967ed6db37b43", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `groups`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/tile.rs:301:13
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 301 |         let groups = self.groups();
[INFO] [stdout] 
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_groups`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `same_type`
[INFO] [stderr]    --> src/tile.rs:103:8
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn same_type(a: Tile, b: Tile) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Chi`
[INFO] [stderr]    --> src/tile.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 |     Chi,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pon`
[INFO] [stderr]    --> src/tile.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     Pon,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Kan`
[INFO] [stderr]    --> src/tile.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 |     Kan,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `group_type`
[INFO] [stderr]    --> src/tile.rs:368:8
[INFO] [stderr]     |
[INFO] [stderr] 368 |     fn group_type(tiles: &[Tile]) -> Option<Group> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/riichi-c49f6d8d9f93ec9f)
[INFO] running `Command { std: "docker" "inspect" "9c3c7063b524bc664322eb8c0844499318b53424b4d4d555af7967ed6db37b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c3c7063b524bc664322eb8c0844499318b53424b4d4d555af7967ed6db37b43", kill_on_drop: false }`
[INFO] [stdout] 9c3c7063b524bc664322eb8c0844499318b53424b4d4d555af7967ed6db37b43