[INFO] updating cached repository asmoaesl/crack-rabbit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/asmoaesl/crack-rabbit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/asmoaesl/crack-rabbit" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/asmoaesl/crack-rabbit"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/asmoaesl/crack-rabbit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/asmoaesl/crack-rabbit" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/asmoaesl/crack-rabbit"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/asmoaesl/crack-rabbit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 00a93e4001f4f1e5ccfbb14820de90943f4b59aa
[INFO] sha for GitHub repo asmoaesl/crack-rabbit: 00a93e4001f4f1e5ccfbb14820de90943f4b59aa
[INFO] validating manifest of asmoaesl/crack-rabbit on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of asmoaesl/crack-rabbit on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing asmoaesl/crack-rabbit
[INFO] finished frobbing asmoaesl/crack-rabbit
[INFO] frobbed toml for asmoaesl/crack-rabbit written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/asmoaesl/crack-rabbit/Cargo.toml
[INFO] started frobbing asmoaesl/crack-rabbit
[INFO] finished frobbing asmoaesl/crack-rabbit
[INFO] frobbed toml for asmoaesl/crack-rabbit written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/asmoaesl/crack-rabbit/Cargo.toml
[INFO] crate asmoaesl/crack-rabbit already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking asmoaesl/crack-rabbit against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-2/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/asmoaesl/crack-rabbit:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1c1f64f0c0a10339b7a4ea49e935fd1ac7d8dc6d09cec713b285c7535c24a959
[INFO] running `"docker" "start" "-a" "1c1f64f0c0a10339b7a4ea49e935fd1ac7d8dc6d09cec713b285c7535c24a959"`
[INFO] [stderr]     Checking rodio v0.8.1
[INFO] [stderr]     Checking crack_rabbit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/lib.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn get_cell(&self, x: u32, y: u32) -> char {
[INFO] [stderr]    |                        ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/lib.rs:11:32
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn get_cell(&self, x: u32, y: u32) -> char {
[INFO] [stderr]    |                                ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handler`
[INFO] [stderr]   --> src/lib.rs:26:41
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn set_resize_handler<F>(&mut self, handler: F) where F: Fn(u32, u32) {
[INFO] [stderr]    |                                         ^^^^^^^ help: consider prefixing with an underscore: `_handler`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/lib.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn get_cell(&self, x: u32, y: u32) -> char {
[INFO] [stderr]    |                        ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/lib.rs:11:32
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn get_cell(&self, x: u32, y: u32) -> char {
[INFO] [stderr]    |                                ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handler`
[INFO] [stderr]   --> src/lib.rs:26:41
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn set_resize_handler<F>(&mut self, handler: F) where F: Fn(u32, u32) {
[INFO] [stderr]    |                                         ^^^^^^^ help: consider prefixing with an underscore: `_handler`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `"docker" "inspect" "1c1f64f0c0a10339b7a4ea49e935fd1ac7d8dc6d09cec713b285c7535c24a959"`
[INFO] running `"docker" "rm" "-f" "1c1f64f0c0a10339b7a4ea49e935fd1ac7d8dc6d09cec713b285c7535c24a959"`
[INFO] [stdout] 1c1f64f0c0a10339b7a4ea49e935fd1ac7d8dc6d09cec713b285c7535c24a959