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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bd2faeda1b128265ddc1bbd74f5c55e62e788b3
[INFO] testing liakhovitch/langton-rs against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliakhovitch%2Flangton-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 5152943387cb304bfe1f9af380cecbec574e3caa4a9e858dc4e3e27fd4b30b87
[INFO] running `Command { std: "docker" "start" "-a" "5152943387cb304bfe1f9af380cecbec574e3caa4a9e858dc4e3e27fd4b30b87", kill_on_drop: false }`
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[INFO] [stderr]    Compiling langton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/main.rs:247:55
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 SHOW_ANTS && self.ants.iter().any(|j| (j.x as usize == x && j.y as usize == y))
[INFO] [stdout]     |                                                       ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 247 -                 SHOW_ANTS && self.ants.iter().any(|j| (j.x as usize == x && j.y as usize == y))
[INFO] [stdout] 247 +                 SHOW_ANTS && self.ants.iter().any(|j| j.x as usize == x && j.y as usize == y)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FLIP_MAX` is never used
[INFO] [stdout]   --> src/main.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const FLIP_MAX: u64 = 60000;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flip_count` is never read
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct World {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     flip_count: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reverse` is never used
[INFO] [stdout]    --> src/main.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl Ant {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn reverse(&mut self){
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 18s
[INFO] running `Command { std: "docker" "inspect" "5152943387cb304bfe1f9af380cecbec574e3caa4a9e858dc4e3e27fd4b30b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5152943387cb304bfe1f9af380cecbec574e3caa4a9e858dc4e3e27fd4b30b87", kill_on_drop: false }`
[INFO] [stdout] 5152943387cb304bfe1f9af380cecbec574e3caa4a9e858dc4e3e27fd4b30b87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6de2b6f4ef03076a3ef362b34afdbd9e76f15624f37b8a2db8f2ddaa6a16f88
[INFO] running `Command { std: "docker" "start" "-a" "e6de2b6f4ef03076a3ef362b34afdbd9e76f15624f37b8a2db8f2ddaa6a16f88", kill_on_drop: false }`
[INFO] [stderr]    Compiling langton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/main.rs:247:55
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 SHOW_ANTS && self.ants.iter().any(|j| (j.x as usize == x && j.y as usize == y))
[INFO] [stdout]     |                                                       ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 247 -                 SHOW_ANTS && self.ants.iter().any(|j| (j.x as usize == x && j.y as usize == y))
[INFO] [stdout] 247 +                 SHOW_ANTS && self.ants.iter().any(|j| j.x as usize == x && j.y as usize == y)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FLIP_MAX` is never used
[INFO] [stdout]   --> src/main.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const FLIP_MAX: u64 = 60000;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flip_count` is never read
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct World {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     flip_count: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reverse` is never used
[INFO] [stdout]    --> src/main.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl Ant {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn reverse(&mut self){
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "e6de2b6f4ef03076a3ef362b34afdbd9e76f15624f37b8a2db8f2ddaa6a16f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6de2b6f4ef03076a3ef362b34afdbd9e76f15624f37b8a2db8f2ddaa6a16f88", kill_on_drop: false }`
[INFO] [stdout] e6de2b6f4ef03076a3ef362b34afdbd9e76f15624f37b8a2db8f2ddaa6a16f88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05136050d677ebd80eda4179f375c3ddebbbc21d5c281d690466a2b6615d13a2
[INFO] running `Command { std: "docker" "start" "-a" "05136050d677ebd80eda4179f375c3ddebbbc21d5c281d690466a2b6615d13a2", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/main.rs:247:55
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 SHOW_ANTS && self.ants.iter().any(|j| (j.x as usize == x && j.y as usize == y))
[INFO] [stderr]     |                                                       ^                                      ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 247 -                 SHOW_ANTS && self.ants.iter().any(|j| (j.x as usize == x && j.y as usize == y))
[INFO] [stderr] 247 +                 SHOW_ANTS && self.ants.iter().any(|j| j.x as usize == x && j.y as usize == y)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FLIP_MAX` is never used
[INFO] [stderr]   --> src/main.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 | const FLIP_MAX: u64 = 60000;
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `flip_count` is never read
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | struct World {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 42 |     flip_count: u64,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `reverse` is never used
[INFO] [stderr]    --> src/main.rs:121:8
[INFO] [stderr]     |
[INFO] [stderr] 103 | impl Ant {
[INFO] [stderr]     | -------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 121 |     fn reverse(&mut self){
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `langton` (bin "langton" test) generated 4 warnings (run `cargo fix --bin "langton" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/langton-4829596ac39a4d14)
[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" "05136050d677ebd80eda4179f375c3ddebbbc21d5c281d690466a2b6615d13a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05136050d677ebd80eda4179f375c3ddebbbc21d5c281d690466a2b6615d13a2", kill_on_drop: false }`
[INFO] [stdout] 05136050d677ebd80eda4179f375c3ddebbbc21d5c281d690466a2b6615d13a2