Dec 18 15:18:10.564 INFO checking harmony-0.2.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 15:18:10.564 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/harmony/0.2.1:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 15:18:10.735 INFO [stdout] 1f59b757d7a27a26169f44b81227869acbb3f044d27fe766aebafdb39cfafee0
Dec 18 15:18:10.738 INFO running `"docker" "start" "-a" "1f59b757d7a27a26169f44b81227869acbb3f044d27fe766aebafdb39cfafee0"`
Dec 18 15:18:11.729 INFO [stderr]     Checking harmony v0.2.1 (/opt/crater/workdir)
Dec 18 15:18:12.215 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:18:12.215 INFO [stderr]    --> src/lib.rs:363:13
Dec 18 15:18:12.215 INFO [stderr]     |
Dec 18 15:18:12.215 INFO [stderr] 363 |         let mut stages = [PlayState::Placed, PlayState::Static, PlayState::Moved];
Dec 18 15:18:12.215 INFO [stderr]     |             ----^^^^^^
Dec 18 15:18:12.215 INFO [stderr]     |             |
Dec 18 15:18:12.215 INFO [stderr]     |             help: remove this `mut`
Dec 18 15:18:12.215 INFO [stderr]     |
Dec 18 15:18:12.215 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 15:18:12.215 INFO [stderr] 
Dec 18 15:18:12.215 INFO [stderr] warning: variable `A` should have a snake case name such as `a`
Dec 18 15:18:12.215 INFO [stderr]    --> src/lib.rs:199:14
Dec 18 15:18:12.215 INFO [stderr]     |
Dec 18 15:18:12.215 INFO [stderr] 199 |         for (A, B) in harmonies.iter().combinations() {
Dec 18 15:18:12.215 INFO [stderr]     |              ^
Dec 18 15:18:12.215 INFO [stderr]     |
Dec 18 15:18:12.215 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 18 15:18:12.215 INFO [stderr] 
Dec 18 15:18:12.215 INFO [stderr] warning: variable `B` should have a snake case name such as `b`
Dec 18 15:18:12.215 INFO [stderr]    --> src/lib.rs:199:17
Dec 18 15:18:12.215 INFO [stderr]     |
Dec 18 15:18:12.215 INFO [stderr] 199 |         for (A, B) in harmonies.iter().combinations() {
Dec 18 15:18:12.215 INFO [stderr]     |                 ^
Dec 18 15:18:12.215 INFO [stderr] 
Dec 18 15:18:12.215 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 18 15:18:12.215 INFO [stderr]    --> src/lib.rs:204:29
Dec 18 15:18:12.215 INFO [stderr]     |
Dec 18 15:18:12.215 INFO [stderr] 204 |                         let A_lower = std::cmp::min(A.start.y, A.end.y);
Dec 18 15:18:12.215 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.215 INFO [stderr] 
Dec 18 15:18:12.215 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 18 15:18:12.215 INFO [stderr]    --> src/lib.rs:205:29
Dec 18 15:18:12.215 INFO [stderr]     |
Dec 18 15:18:12.215 INFO [stderr] 205 |                         let A_upper = std::cmp::max(A.start.y, A.end.y);
Dec 18 15:18:12.215 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.215 INFO [stderr] 
Dec 18 15:18:12.215 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 18 15:18:12.215 INFO [stderr]    --> src/lib.rs:206:29
Dec 18 15:18:12.215 INFO [stderr]     |
Dec 18 15:18:12.215 INFO [stderr] 206 |                         let B_lower = std::cmp::min(B.start.x, B.end.x);
Dec 18 15:18:12.215 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.215 INFO [stderr] 
Dec 18 15:18:12.215 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 18 15:18:12.215 INFO [stderr]    --> src/lib.rs:207:29
Dec 18 15:18:12.215 INFO [stderr]     |
Dec 18 15:18:12.215 INFO [stderr] 207 |                         let B_upper = std::cmp::max(B.start.x, B.end.x);
Dec 18 15:18:12.215 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.215 INFO [stderr] 
Dec 18 15:18:12.215 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 18 15:18:12.215 INFO [stderr]    --> src/lib.rs:217:29
Dec 18 15:18:12.215 INFO [stderr]     |
Dec 18 15:18:12.215 INFO [stderr] 217 |                         let A_lower = std::cmp::min(A.start.x, A.end.x);
Dec 18 15:18:12.215 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.215 INFO [stderr] 
Dec 18 15:18:12.215 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 18 15:18:12.215 INFO [stderr]    --> src/lib.rs:218:29
Dec 18 15:18:12.216 INFO [stderr]     |
Dec 18 15:18:12.216 INFO [stderr] 218 |                         let A_upper = std::cmp::max(A.start.x, A.end.x);
Dec 18 15:18:12.216 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.216 INFO [stderr] 
Dec 18 15:18:12.216 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 18 15:18:12.216 INFO [stderr]    --> src/lib.rs:219:29
Dec 18 15:18:12.216 INFO [stderr]     |
Dec 18 15:18:12.216 INFO [stderr] 219 |                         let B_lower = std::cmp::min(B.start.y, B.end.y);
Dec 18 15:18:12.216 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.216 INFO [stderr] 
Dec 18 15:18:12.216 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 18 15:18:12.216 INFO [stderr]    --> src/lib.rs:220:29
Dec 18 15:18:12.216 INFO [stderr]     |
Dec 18 15:18:12.216 INFO [stderr] 220 |                         let B_upper = std::cmp::max(B.start.y, B.end.y);
Dec 18 15:18:12.216 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.216 INFO [stderr] 
Dec 18 15:18:12.216 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 18 15:18:12.216 INFO [stderr]    --> src/lib.rs:231:33
Dec 18 15:18:12.216 INFO [stderr]     |
Dec 18 15:18:12.217 INFO [stderr] 231 |                             let A_lower = std::cmp::min(A.start.y, A.end.y);
Dec 18 15:18:12.217 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.217 INFO [stderr] 
Dec 18 15:18:12.217 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 18 15:18:12.217 INFO [stderr]    --> src/lib.rs:232:33
Dec 18 15:18:12.217 INFO [stderr]     |
Dec 18 15:18:12.217 INFO [stderr] 232 |                             let A_upper = std::cmp::max(A.start.y, A.end.y);
Dec 18 15:18:12.217 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.217 INFO [stderr] 
Dec 18 15:18:12.217 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 18 15:18:12.217 INFO [stderr]    --> src/lib.rs:233:33
Dec 18 15:18:12.217 INFO [stderr]     |
Dec 18 15:18:12.217 INFO [stderr] 233 |                             let B_lower = std::cmp::min(B.start.y, B.end.y);
Dec 18 15:18:12.217 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.217 INFO [stderr] 
Dec 18 15:18:12.217 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 18 15:18:12.217 INFO [stderr]    --> src/lib.rs:234:33
Dec 18 15:18:12.217 INFO [stderr]     |
Dec 18 15:18:12.217 INFO [stderr] 234 |                             let B_upper = std::cmp::max(B.start.y, B.end.y);
Dec 18 15:18:12.217 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.217 INFO [stderr] 
Dec 18 15:18:12.217 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 18 15:18:12.217 INFO [stderr]    --> src/lib.rs:246:33
Dec 18 15:18:12.217 INFO [stderr]     |
Dec 18 15:18:12.217 INFO [stderr] 246 |                             let A_lower = std::cmp::min(A.start.x, A.end.x);
Dec 18 15:18:12.217 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.217 INFO [stderr] 
Dec 18 15:18:12.217 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 18 15:18:12.217 INFO [stderr]    --> src/lib.rs:247:33
Dec 18 15:18:12.217 INFO [stderr]     |
Dec 18 15:18:12.217 INFO [stderr] 247 |                             let A_upper = std::cmp::max(A.start.x, A.end.x);
Dec 18 15:18:12.217 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.217 INFO [stderr] 
Dec 18 15:18:12.217 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 18 15:18:12.217 INFO [stderr]    --> src/lib.rs:248:33
Dec 18 15:18:12.217 INFO [stderr]     |
Dec 18 15:18:12.217 INFO [stderr] 248 |                             let B_lower = std::cmp::min(B.start.x, B.end.x);
Dec 18 15:18:12.217 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.217 INFO [stderr] 
Dec 18 15:18:12.217 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 18 15:18:12.217 INFO [stderr]    --> src/lib.rs:249:33
Dec 18 15:18:12.217 INFO [stderr]     |
Dec 18 15:18:12.217 INFO [stderr] 249 |                             let B_upper = std::cmp::max(B.start.x, B.end.x);
Dec 18 15:18:12.217 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.217 INFO [stderr] 
Dec 18 15:18:12.267 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:18:12.267 INFO [stderr]    --> src/lib.rs:363:13
Dec 18 15:18:12.267 INFO [stderr]     |
Dec 18 15:18:12.267 INFO [stderr] 363 |         let mut stages = [PlayState::Placed, PlayState::Static, PlayState::Moved];
Dec 18 15:18:12.267 INFO [stderr]     |             ----^^^^^^
Dec 18 15:18:12.267 INFO [stderr]     |             |
Dec 18 15:18:12.267 INFO [stderr]     |             help: remove this `mut`
Dec 18 15:18:12.267 INFO [stderr]     |
Dec 18 15:18:12.267 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 15:18:12.267 INFO [stderr] 
Dec 18 15:18:12.312 INFO [stderr] warning: variable `A` should have a snake case name such as `a`
Dec 18 15:18:12.312 INFO [stderr]    --> src/lib.rs:199:14
Dec 18 15:18:12.312 INFO [stderr]     |
Dec 18 15:18:12.312 INFO [stderr] 199 |         for (A, B) in harmonies.iter().combinations() {
Dec 18 15:18:12.312 INFO [stderr]     |              ^
Dec 18 15:18:12.341 INFO [stderr]     |
Dec 18 15:18:12.341 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 18 15:18:12.341 INFO [stderr] 
Dec 18 15:18:12.341 INFO [stderr] warning: variable `B` should have a snake case name such as `b`
Dec 18 15:18:12.341 INFO [stderr]    --> src/lib.rs:199:17
Dec 18 15:18:12.341 INFO [stderr]     |
Dec 18 15:18:12.342 INFO [stderr] 199 |         for (A, B) in harmonies.iter().combinations() {
Dec 18 15:18:12.342 INFO [stderr]     |                 ^
Dec 18 15:18:12.342 INFO [stderr] 
Dec 18 15:18:12.342 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 18 15:18:12.342 INFO [stderr]    --> src/lib.rs:204:29
Dec 18 15:18:12.342 INFO [stderr]     |
Dec 18 15:18:12.342 INFO [stderr] 204 |                         let A_lower = std::cmp::min(A.start.y, A.end.y);
Dec 18 15:18:12.342 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.342 INFO [stderr] 
Dec 18 15:18:12.342 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 18 15:18:12.342 INFO [stderr]    --> src/lib.rs:205:29
Dec 18 15:18:12.342 INFO [stderr]     |
Dec 18 15:18:12.342 INFO [stderr] 205 |                         let A_upper = std::cmp::max(A.start.y, A.end.y);
Dec 18 15:18:12.342 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.342 INFO [stderr] 
Dec 18 15:18:12.342 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 18 15:18:12.342 INFO [stderr]    --> src/lib.rs:206:29
Dec 18 15:18:12.342 INFO [stderr]     |
Dec 18 15:18:12.342 INFO [stderr] 206 |                         let B_lower = std::cmp::min(B.start.x, B.end.x);
Dec 18 15:18:12.342 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.342 INFO [stderr] 
Dec 18 15:18:12.342 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 18 15:18:12.342 INFO [stderr]    --> src/lib.rs:207:29
Dec 18 15:18:12.342 INFO [stderr]     |
Dec 18 15:18:12.342 INFO [stderr] 207 |                         let B_upper = std::cmp::max(B.start.x, B.end.x);
Dec 18 15:18:12.342 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.342 INFO [stderr] 
Dec 18 15:18:12.342 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 18 15:18:12.342 INFO [stderr]    --> src/lib.rs:217:29
Dec 18 15:18:12.342 INFO [stderr]     |
Dec 18 15:18:12.342 INFO [stderr] 217 |                         let A_lower = std::cmp::min(A.start.x, A.end.x);
Dec 18 15:18:12.342 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.342 INFO [stderr] 
Dec 18 15:18:12.342 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 18 15:18:12.342 INFO [stderr]    --> src/lib.rs:218:29
Dec 18 15:18:12.342 INFO [stderr]     |
Dec 18 15:18:12.342 INFO [stderr] 218 |                         let A_upper = std::cmp::max(A.start.x, A.end.x);
Dec 18 15:18:12.342 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.342 INFO [stderr] 
Dec 18 15:18:12.342 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 18 15:18:12.342 INFO [stderr]    --> src/lib.rs:219:29
Dec 18 15:18:12.342 INFO [stderr]     |
Dec 18 15:18:12.342 INFO [stderr] 219 |                         let B_lower = std::cmp::min(B.start.y, B.end.y);
Dec 18 15:18:12.342 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.342 INFO [stderr] 
Dec 18 15:18:12.342 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 18 15:18:12.342 INFO [stderr]    --> src/lib.rs:220:29
Dec 18 15:18:12.342 INFO [stderr]     |
Dec 18 15:18:12.342 INFO [stderr] 220 |                         let B_upper = std::cmp::max(B.start.y, B.end.y);
Dec 18 15:18:12.342 INFO [stderr]     |                             ^^^^^^^
Dec 18 15:18:12.342 INFO [stderr] 
Dec 18 15:18:12.342 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 18 15:18:12.342 INFO [stderr]    --> src/lib.rs:231:33
Dec 18 15:18:12.343 INFO [stderr]     |
Dec 18 15:18:12.343 INFO [stderr] 231 |                             let A_lower = std::cmp::min(A.start.y, A.end.y);
Dec 18 15:18:12.343 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.343 INFO [stderr] 
Dec 18 15:18:12.343 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 18 15:18:12.343 INFO [stderr]    --> src/lib.rs:232:33
Dec 18 15:18:12.343 INFO [stderr]     |
Dec 18 15:18:12.343 INFO [stderr] 232 |                             let A_upper = std::cmp::max(A.start.y, A.end.y);
Dec 18 15:18:12.343 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.343 INFO [stderr] 
Dec 18 15:18:12.343 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 18 15:18:12.343 INFO [stderr]    --> src/lib.rs:233:33
Dec 18 15:18:12.343 INFO [stderr]     |
Dec 18 15:18:12.343 INFO [stderr] 233 |                             let B_lower = std::cmp::min(B.start.y, B.end.y);
Dec 18 15:18:12.343 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.343 INFO [stderr] 
Dec 18 15:18:12.343 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 18 15:18:12.343 INFO [stderr]    --> src/lib.rs:234:33
Dec 18 15:18:12.343 INFO [stderr]     |
Dec 18 15:18:12.343 INFO [stderr] 234 |                             let B_upper = std::cmp::max(B.start.y, B.end.y);
Dec 18 15:18:12.343 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.343 INFO [stderr] 
Dec 18 15:18:12.343 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 18 15:18:12.343 INFO [stderr]    --> src/lib.rs:246:33
Dec 18 15:18:12.343 INFO [stderr]     |
Dec 18 15:18:12.343 INFO [stderr] 246 |                             let A_lower = std::cmp::min(A.start.x, A.end.x);
Dec 18 15:18:12.343 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.343 INFO [stderr] 
Dec 18 15:18:12.343 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 18 15:18:12.343 INFO [stderr]    --> src/lib.rs:247:33
Dec 18 15:18:12.343 INFO [stderr]     |
Dec 18 15:18:12.343 INFO [stderr] 247 |                             let A_upper = std::cmp::max(A.start.x, A.end.x);
Dec 18 15:18:12.343 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.343 INFO [stderr] 
Dec 18 15:18:12.343 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 18 15:18:12.343 INFO [stderr]    --> src/lib.rs:248:33
Dec 18 15:18:12.343 INFO [stderr]     |
Dec 18 15:18:12.343 INFO [stderr] 248 |                             let B_lower = std::cmp::min(B.start.x, B.end.x);
Dec 18 15:18:12.343 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.343 INFO [stderr] 
Dec 18 15:18:12.343 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 18 15:18:12.343 INFO [stderr]    --> src/lib.rs:249:33
Dec 18 15:18:12.343 INFO [stderr]     |
Dec 18 15:18:12.343 INFO [stderr] 249 |                             let B_upper = std::cmp::max(B.start.x, B.end.x);
Dec 18 15:18:12.343 INFO [stderr]     |                                 ^^^^^^^
Dec 18 15:18:12.343 INFO [stderr] 
Dec 18 15:18:12.343 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 18 15:18:12.605 INFO running `"docker" "inspect" "1f59b757d7a27a26169f44b81227869acbb3f044d27fe766aebafdb39cfafee0"`
Dec 18 15:18:12.738 INFO running `"docker" "rm" "-f" "1f59b757d7a27a26169f44b81227869acbb3f044d27fe766aebafdb39cfafee0"`
Dec 18 15:18:12.815 INFO [stdout] 1f59b757d7a27a26169f44b81227869acbb3f044d27fe766aebafdb39cfafee0