[INFO] cloning repository https://github.com/mw8/white_keyboard_layout
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mw8/white_keyboard_layout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmw8%2Fwhite_keyboard_layout", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmw8%2Fwhite_keyboard_layout'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0fda4eb23e83bbe0f4c686bffb108bbc1b3501f
[INFO] testing mw8/white_keyboard_layout against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmw8%2Fwhite_keyboard_layout" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mw8/white_keyboard_layout on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mw8/white_keyboard_layout
[INFO] finished tweaking git repo https://github.com/mw8/white_keyboard_layout
[INFO] tweaked toml for git repo https://github.com/mw8/white_keyboard_layout written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mw8/white_keyboard_layout already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44d01cc96308e181f4fe611fc73f9070acf7cb21695690f44301ab7b29f33adc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "44d01cc96308e181f4fe611fc73f9070acf7cb21695690f44301ab7b29f33adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44d01cc96308e181f4fe611fc73f9070acf7cb21695690f44301ab7b29f33adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d01cc96308e181f4fe611fc73f9070acf7cb21695690f44301ab7b29f33adc", kill_on_drop: false }`
[INFO] [stdout] 44d01cc96308e181f4fe611fc73f9070acf7cb21695690f44301ab7b29f33adc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a08bcc4b5218efbe5438e5bffa8835f29f49a058c43f1538f1900169a520c8c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4a08bcc4b5218efbe5438e5bffa8835f29f49a058c43f1538f1900169a520c8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling white_keyboard_layout v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/main.rs:1288:9
[INFO] [stdout]      |
[INFO] [stdout] 1288 | /         ((self.i == other.i   && self.f == other.f) ||
[INFO] [stdout] 1289 | |          (self.i == other.i-1 && self.f == other.f + 1000.0) ||
[INFO] [stdout] 1290 | |          (self.i == other.i+1 && self.f == other.f - 1000.0))
[INFO] [stdout]      | |_____________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1288 |         (self.i == other.i   && self.f == other.f) ||
[INFO] [stdout] 1289 |          (self.i == other.i-1 && self.f == other.f + 1000.0) ||
[INFO] [stdout] 1290 |          (self.i == other.i+1 && self.f == other.f - 1000.0)
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/main.rs:1311:9
[INFO] [stdout]      |
[INFO] [stdout] 1311 | /         ((self.i <  other.i-1) ||
[INFO] [stdout] 1312 | |          (self.i == other.i-1 && self.f-1000.0 < other.f) ||
[INFO] [stdout] 1313 | |          (self.i == other.i   && self.f        < other.f) ||
[INFO] [stdout] 1314 | |          (self.i == other.i+1 && self.f+1000.0 < other.f))
[INFO] [stdout]      | |__________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1311 |         (self.i <  other.i-1) ||
[INFO] [stdout] 1312 |          (self.i == other.i-1 && self.f-1000.0 < other.f) ||
[INFO] [stdout] 1313 |          (self.i == other.i   && self.f        < other.f) ||
[INFO] [stdout] 1314 |          (self.i == other.i+1 && self.f+1000.0 < other.f)
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "4a08bcc4b5218efbe5438e5bffa8835f29f49a058c43f1538f1900169a520c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a08bcc4b5218efbe5438e5bffa8835f29f49a058c43f1538f1900169a520c8c", kill_on_drop: false }`
[INFO] [stdout] 4a08bcc4b5218efbe5438e5bffa8835f29f49a058c43f1538f1900169a520c8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b0c7886b8a70e509cd925bb2db0b01bc994e1e4d12cdef1853a3fd6bd20b85d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b0c7886b8a70e509cd925bb2db0b01bc994e1e4d12cdef1853a3fd6bd20b85d", kill_on_drop: false }`
[INFO] [stderr]    Compiling white_keyboard_layout v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `INITIAL_LAYOUT_STRING` in this scope
[INFO] [stdout]    --> src/main.rs:683:32
[INFO] [stdout]     |
[INFO] [stdout] 683 |     let l = layout_from_string(INITIAL_LAYOUT_STRING);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/main.rs:1288:9
[INFO] [stdout]      |
[INFO] [stdout] 1288 | /         ((self.i == other.i   && self.f == other.f) ||
[INFO] [stdout] 1289 | |          (self.i == other.i-1 && self.f == other.f + 1000.0) ||
[INFO] [stdout] 1290 | |          (self.i == other.i+1 && self.f == other.f - 1000.0))
[INFO] [stdout]      | |_____________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1288 |         (self.i == other.i   && self.f == other.f) ||
[INFO] [stdout] 1289 |          (self.i == other.i-1 && self.f == other.f + 1000.0) ||
[INFO] [stdout] 1290 |          (self.i == other.i+1 && self.f == other.f - 1000.0)
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/main.rs:1311:9
[INFO] [stdout]      |
[INFO] [stdout] 1311 | /         ((self.i <  other.i-1) ||
[INFO] [stdout] 1312 | |          (self.i == other.i-1 && self.f-1000.0 < other.f) ||
[INFO] [stdout] 1313 | |          (self.i == other.i   && self.f        < other.f) ||
[INFO] [stdout] 1314 | |          (self.i == other.i+1 && self.f+1000.0 < other.f))
[INFO] [stdout]      | |__________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1311 |         (self.i <  other.i-1) ||
[INFO] [stdout] 1312 |          (self.i == other.i-1 && self.f-1000.0 < other.f) ||
[INFO] [stdout] 1313 |          (self.i == other.i   && self.f        < other.f) ||
[INFO] [stdout] 1314 |          (self.i == other.i+1 && self.f+1000.0 < other.f)
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `white_keyboard_layout` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1b0c7886b8a70e509cd925bb2db0b01bc994e1e4d12cdef1853a3fd6bd20b85d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b0c7886b8a70e509cd925bb2db0b01bc994e1e4d12cdef1853a3fd6bd20b85d", kill_on_drop: false }`
[INFO] [stdout] 1b0c7886b8a70e509cd925bb2db0b01bc994e1e4d12cdef1853a3fd6bd20b85d