[INFO] cloning repository https://github.com/AndreasOlofsson/2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndreasOlofsson/2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreasOlofsson%2F2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreasOlofsson%2F2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7abed146c91b24c05feef6bd3d191bb7244c894b
[INFO] testing AndreasOlofsson/2048 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreasOlofsson%2F2048" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndreasOlofsson/2048 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AndreasOlofsson/2048
[INFO] finished tweaking git repo https://github.com/AndreasOlofsson/2048
[INFO] tweaked toml for git repo https://github.com/AndreasOlofsson/2048 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/AndreasOlofsson/2048 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58c4eb6393df7e42b97e8efba7473c3d8f8eb55117580fd0cba44f68d28623b5
[INFO] running `Command { std: "docker" "start" "-a" "58c4eb6393df7e42b97e8efba7473c3d8f8eb55117580fd0cba44f68d28623b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58c4eb6393df7e42b97e8efba7473c3d8f8eb55117580fd0cba44f68d28623b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58c4eb6393df7e42b97e8efba7473c3d8f8eb55117580fd0cba44f68d28623b5", kill_on_drop: false }`
[INFO] [stdout] 58c4eb6393df7e42b97e8efba7473c3d8f8eb55117580fd0cba44f68d28623b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 986e92b6fc0f92b95ee52e811e477c63e4ab9628bacb921b8c16c9c0f8ed3cdf
[INFO] running `Command { std: "docker" "start" "-a" "986e92b6fc0f92b95ee52e811e477c63e4ab9628bacb921b8c16c9c0f8ed3cdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling raw_tty v0.1.0
[INFO] [stderr]    Compiling _2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `count_score`
[INFO] [stdout]   --> src/board.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn count_score(self) -> usize
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.09s
[INFO] running `Command { std: "docker" "inspect" "986e92b6fc0f92b95ee52e811e477c63e4ab9628bacb921b8c16c9c0f8ed3cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986e92b6fc0f92b95ee52e811e477c63e4ab9628bacb921b8c16c9c0f8ed3cdf", kill_on_drop: false }`
[INFO] [stdout] 986e92b6fc0f92b95ee52e811e477c63e4ab9628bacb921b8c16c9c0f8ed3cdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06dbcff6858f2578909348f944fc789a07be421181fa3e5a93dd7f70d0b7c6f5
[INFO] running `Command { std: "docker" "start" "-a" "06dbcff6858f2578909348f944fc789a07be421181fa3e5a93dd7f70d0b7c6f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling _2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `count_score`
[INFO] [stdout]   --> src/board.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn count_score(self) -> usize
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "06dbcff6858f2578909348f944fc789a07be421181fa3e5a93dd7f70d0b7c6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06dbcff6858f2578909348f944fc789a07be421181fa3e5a93dd7f70d0b7c6f5", kill_on_drop: false }`
[INFO] [stdout] 06dbcff6858f2578909348f944fc789a07be421181fa3e5a93dd7f70d0b7c6f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 578ed9cff0c0a2320e74375955a481e2c472c5d579066d30a00fef949c3dbcad
[INFO] running `Command { std: "docker" "start" "-a" "578ed9cff0c0a2320e74375955a481e2c472c5d579066d30a00fef949c3dbcad", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `count_score`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/board.rs:43:12
[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] 43 |     pub fn count_score(self) -> usize
[INFO] [stdout] 
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `_2048` (bin "_2048" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/_2048-e2449df7f92c1075)
[INFO] running `Command { std: "docker" "inspect" "578ed9cff0c0a2320e74375955a481e2c472c5d579066d30a00fef949c3dbcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578ed9cff0c0a2320e74375955a481e2c472c5d579066d30a00fef949c3dbcad", kill_on_drop: false }`
[INFO] [stdout] 578ed9cff0c0a2320e74375955a481e2c472c5d579066d30a00fef949c3dbcad