[INFO] updating cached repository sivizius/ferrocene
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sivizius/ferrocene
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sivizius/ferrocene" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sivizius/ferrocene"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sivizius/ferrocene'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sivizius/ferrocene" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sivizius/ferrocene"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sivizius/ferrocene'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8d78069fa9c9760ae94e3d09033628d4fc9a0042
[INFO] sha for GitHub repo sivizius/ferrocene: 8d78069fa9c9760ae94e3d09033628d4fc9a0042
[INFO] validating manifest of sivizius/ferrocene on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sivizius/ferrocene on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sivizius/ferrocene
[INFO] finished frobbing sivizius/ferrocene
[INFO] frobbed toml for sivizius/ferrocene written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sivizius/ferrocene/Cargo.toml
[INFO] started frobbing sivizius/ferrocene
[INFO] finished frobbing sivizius/ferrocene
[INFO] frobbed toml for sivizius/ferrocene written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sivizius/ferrocene/Cargo.toml
[INFO] crate sivizius/ferrocene already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sivizius/ferrocene against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-4/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sivizius/ferrocene:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 62aac12fda4110d29a8b057e8512b24b247c1a313b89e5756aec15d739a092da
[INFO] running `"docker" "start" "-a" "62aac12fda4110d29a8b057e8512b24b247c1a313b89e5756aec15d739a092da"`
[INFO] [stderr]     Checking ferrocene v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `cutX` is assigned to, but never used
[INFO] [stderr]    --> src/display/mod.rs:134:15
[INFO] [stderr]     |
[INFO] [stderr] 134 |       let mut cutX:               usize =                                       0;
[INFO] [stderr]     |               ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr]     = note: consider using `_cutX` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cutY` is assigned to, but never used
[INFO] [stderr]    --> src/display/mod.rs:135:15
[INFO] [stderr]     |
[INFO] [stderr] 135 |       let mut cutY:               usize =                                       0;
[INFO] [stderr]     |               ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_cutY` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cutX` is never read
[INFO] [stderr]    --> src/display/mod.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         cutX                            =                                       -minX as usize;
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cutY` is never read
[INFO] [stderr]    --> src/display/mod.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         cutY                            =                                       -minY as usize;
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]    --> src/display/mod.rs:190:29
[INFO] [stderr]     |
[INFO] [stderr] 190 |         Frame::Status ( ref frame )     =>
[INFO] [stderr]     |                             ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]    --> src/display/mod.rs:198:27
[INFO] [stderr]     |
[INFO] [stderr] 198 |         Frame::Text ( ref frame )       =>
[INFO] [stderr]     |                           ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]    --> src/display/mod.rs:206:29
[INFO] [stderr]     |
[INFO] [stderr] 206 |         Frame::Editor ( ref frame )     =>
[INFO] [stderr]     |                             ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]    --> src/display/mod.rs:214:27
[INFO] [stderr]     |
[INFO] [stderr] 214 |         Frame::Pixel( ref frame )       =>
[INFO] [stderr]     |                           ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]    --> src/display/mod.rs:222:26
[INFO] [stderr]     |
[INFO] [stderr] 222 |         Frame::Plot( ref frame )        =>
[INFO] [stderr]     |                          ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `events`
[INFO] [stderr]    --> src/display/mod.rs:307:5
[INFO] [stderr]     |
[INFO] [stderr] 307 |     events:                             EventSender,
[INFO] [stderr]     |     ^^^^^^ help: consider prefixing with an underscore: `_events`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `title`
[INFO] [stderr]    --> src/display/mod.rs:308:5
[INFO] [stderr]     |
[INFO] [stderr] 308 |     title:                              String,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_title`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `events`
[INFO] [stderr]    --> src/display/mod.rs:321:5
[INFO] [stderr]     |
[INFO] [stderr] 321 |     events:                             EventSender,
[INFO] [stderr]     |     ^^^^^^ help: consider prefixing with an underscore: `_events`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `title`
[INFO] [stderr]    --> src/display/mod.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 322 |     title:                              String,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_title`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `events`
[INFO] [stderr]    --> src/display/mod.rs:335:5
[INFO] [stderr]     |
[INFO] [stderr] 335 |     events:                             EventSender,
[INFO] [stderr]     |     ^^^^^^ help: consider prefixing with an underscore: `_events`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cutX` is assigned to, but never used
[INFO] [stderr]    --> src/display/mod.rs:134:15
[INFO] [stderr]     |
[INFO] [stderr] 134 |       let mut cutX:               usize =                                       0;
[INFO] [stderr]     |               ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr]     = note: consider using `_cutX` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cutY` is assigned to, but never used
[INFO] [stderr]    --> src/display/mod.rs:135:15
[INFO] [stderr]     |
[INFO] [stderr] 135 |       let mut cutY:               usize =                                       0;
[INFO] [stderr]     |               ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_cutY` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cutX` is never read
[INFO] [stderr]    --> src/display/mod.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         cutX                            =                                       -minX as usize;
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cutY` is never read
[INFO] [stderr]    --> src/display/mod.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         cutY                            =                                       -minY as usize;
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]    --> src/display/mod.rs:190:29
[INFO] [stderr]     |
[INFO] [stderr] 190 |         Frame::Status ( ref frame )     =>
[INFO] [stderr]     |                             ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]    --> src/display/mod.rs:198:27
[INFO] [stderr]     |
[INFO] [stderr] 198 |         Frame::Text ( ref frame )       =>
[INFO] [stderr]     |                           ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]    --> src/display/mod.rs:206:29
[INFO] [stderr]     |
[INFO] [stderr] 206 |         Frame::Editor ( ref frame )     =>
[INFO] [stderr]     |                             ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]    --> src/display/mod.rs:214:27
[INFO] [stderr]     |
[INFO] [stderr] 214 |         Frame::Pixel( ref frame )       =>
[INFO] [stderr]     |                           ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]    --> src/display/mod.rs:222:26
[INFO] [stderr]     |
[INFO] [stderr] 222 |         Frame::Plot( ref frame )        =>
[INFO] [stderr]     |                          ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `events`
[INFO] [stderr]    --> src/display/mod.rs:307:5
[INFO] [stderr]     |
[INFO] [stderr] 307 |     events:                             EventSender,
[INFO] [stderr]     |     ^^^^^^ help: consider prefixing with an underscore: `_events`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `title`
[INFO] [stderr]    --> src/display/mod.rs:308:5
[INFO] [stderr]     |
[INFO] [stderr] 308 |     title:                              String,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_title`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `events`
[INFO] [stderr]    --> src/display/mod.rs:321:5
[INFO] [stderr]     |
[INFO] [stderr] 321 |     events:                             EventSender,
[INFO] [stderr]     |     ^^^^^^ help: consider prefixing with an underscore: `_events`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `title`
[INFO] [stderr]    --> src/display/mod.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 322 |     title:                              String,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_title`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `events`
[INFO] [stderr]    --> src/display/mod.rs:335:5
[INFO] [stderr]     |
[INFO] [stderr] 335 |     events:                             EventSender,
[INFO] [stderr]     |     ^^^^^^ help: consider prefixing with an underscore: `_events`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "62aac12fda4110d29a8b057e8512b24b247c1a313b89e5756aec15d739a092da"`
[INFO] running `"docker" "rm" "-f" "62aac12fda4110d29a8b057e8512b24b247c1a313b89e5756aec15d739a092da"`
[INFO] [stdout] 62aac12fda4110d29a8b057e8512b24b247c1a313b89e5756aec15d739a092da