[INFO] cloning repository https://github.com/NeillJohnston/genetic-tetris-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NeillJohnston/genetic-tetris-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeillJohnston%2Fgenetic-tetris-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeillJohnston%2Fgenetic-tetris-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 694894481fa191695b11af60852e10baa2a7949e
[INFO] testing NeillJohnston/genetic-tetris-bot against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeillJohnston%2Fgenetic-tetris-bot" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NeillJohnston/genetic-tetris-bot on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NeillJohnston/genetic-tetris-bot
[INFO] finished tweaking git repo https://github.com/NeillJohnston/genetic-tetris-bot
[INFO] tweaked toml for git repo https://github.com/NeillJohnston/genetic-tetris-bot written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/NeillJohnston/genetic-tetris-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54e6e7be44e293ee8397d135fe66ca097cb8d76b40358c1abf02968ed82f81ea
[INFO] running `Command { std: "docker" "start" "-a" "54e6e7be44e293ee8397d135fe66ca097cb8d76b40358c1abf02968ed82f81ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54e6e7be44e293ee8397d135fe66ca097cb8d76b40358c1abf02968ed82f81ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e6e7be44e293ee8397d135fe66ca097cb8d76b40358c1abf02968ed82f81ea", kill_on_drop: false }`
[INFO] [stdout] 54e6e7be44e293ee8397d135fe66ca097cb8d76b40358c1abf02968ed82f81ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a3e93dd58dc3d87bb918d5b223f41d33b0280e27004a7dc5fd5de186cdb82e4
[INFO] running `Command { std: "docker" "start" "-a" "7a3e93dd58dc3d87bb918d5b223f41d33b0280e27004a7dc5fd5de186cdb82e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling tetris v0.1.0 (/opt/rustwide/workdir/tetris)
[INFO] [stderr]    Compiling interface v0.1.0 (/opt/rustwide/workdir/interface)
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> interface/src/main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let (state, mino) = parse_request(&request);
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mino`
[INFO] [stdout]   --> interface/src/main.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let (state, mino) = parse_request(&request);
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_mino`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> interface/src/main.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let response = make_response(Vec::new());
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling genetic v0.1.0 (/opt/rustwide/workdir/genetic)
[INFO] [stdout] warning: field `fitness_distribution` is never read
[INFO] [stdout]   --> genetic/src/genetic.rs:29:2
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Summary {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 28 |     // 5-number summary of fitnesses
[INFO] [stdout] 29 |     fitness_distribution: [f64; 5]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Summary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "7a3e93dd58dc3d87bb918d5b223f41d33b0280e27004a7dc5fd5de186cdb82e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3e93dd58dc3d87bb918d5b223f41d33b0280e27004a7dc5fd5de186cdb82e4", kill_on_drop: false }`
[INFO] [stdout] 7a3e93dd58dc3d87bb918d5b223f41d33b0280e27004a7dc5fd5de186cdb82e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 513173a30ff31bdd94377f606563a155fbcccbc8deb5f60b37f5ab4c959a035a
[INFO] running `Command { std: "docker" "start" "-a" "513173a30ff31bdd94377f606563a155fbcccbc8deb5f60b37f5ab4c959a035a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tetris v0.1.0 (/opt/rustwide/workdir/tetris)
[INFO] [stderr]    Compiling interface v0.1.0 (/opt/rustwide/workdir/interface)
[INFO] [stderr]    Compiling genetic v0.1.0 (/opt/rustwide/workdir/genetic)
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> interface/src/main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let (state, mino) = parse_request(&request);
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mino`
[INFO] [stdout]   --> interface/src/main.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let (state, mino) = parse_request(&request);
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_mino`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> interface/src/main.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let response = make_response(Vec::new());
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fitness_distribution` is never read
[INFO] [stdout]   --> genetic/src/genetic.rs:29:2
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Summary {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 28 |     // 5-number summary of fitnesses
[INFO] [stdout] 29 |     fitness_distribution: [f64; 5]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Summary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "513173a30ff31bdd94377f606563a155fbcccbc8deb5f60b37f5ab4c959a035a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "513173a30ff31bdd94377f606563a155fbcccbc8deb5f60b37f5ab4c959a035a", kill_on_drop: false }`
[INFO] [stdout] 513173a30ff31bdd94377f606563a155fbcccbc8deb5f60b37f5ab4c959a035a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5624fb71fdb73f7648c6b6067dc9866ebffa965909a0dcd6d0d2d587fcbfd7f4
[INFO] running `Command { std: "docker" "start" "-a" "5624fb71fdb73f7648c6b6067dc9866ebffa965909a0dcd6d0d2d587fcbfd7f4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> interface/src/main.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let (state, mino) = parse_request(&request);
[INFO] [stderr]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mino`
[INFO] [stderr]   --> interface/src/main.rs:27:15
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let (state, mino) = parse_request(&request);
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_mino`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `response`
[INFO] [stderr]   --> interface/src/main.rs:31:7
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let response = make_response(Vec::new());
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stderr] 
[INFO] [stderr] warning: `interface` (bin "interface" test) generated 3 warnings
[INFO] [stderr] warning: field `fitness_distribution` is never read
[INFO] [stderr]   --> genetic/src/genetic.rs:29:2
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct Summary {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] 28 |     // 5-number summary of fitnesses
[INFO] [stderr] 29 |     fitness_distribution: [f64; 5]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Summary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `genetic` (bin "genetic" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/genetic-4acbc0239b7911ca)
[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 src/main.rs (/opt/rustwide/target/debug/deps/interface-91357d9ff291b3db)
[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 src/lib.rs (/opt/rustwide/target/debug/deps/tetris-ed71b643af620cc8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test state_tests::possibilities ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tetris.rs (/opt/rustwide/target/debug/deps/tetris-89d396373e0bfeb2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test drop_one ... ok
[INFO] [stdout] test full_clear ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tetris
[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] running `Command { std: "docker" "inspect" "5624fb71fdb73f7648c6b6067dc9866ebffa965909a0dcd6d0d2d587fcbfd7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5624fb71fdb73f7648c6b6067dc9866ebffa965909a0dcd6d0d2d587fcbfd7f4", kill_on_drop: false }`
[INFO] [stdout] 5624fb71fdb73f7648c6b6067dc9866ebffa965909a0dcd6d0d2d587fcbfd7f4