Dec 12 13:23:37.305 INFO checking harmony-0.2.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 13:23:37.305 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 13:23:37.626 INFO [stdout] 1d0c792edfd23dd9c4dc4675be9328ff09682b8e3a50e366d6578f04c0251cf6
Dec 12 13:23:37.628 INFO running `"docker" "start" "-a" "1d0c792edfd23dd9c4dc4675be9328ff09682b8e3a50e366d6578f04c0251cf6"`
Dec 12 13:23:39.548 INFO [stderr] usermod: no changes
Dec 12 13:23:39.637 INFO [stderr]     Checking harmony v0.2.1 (/source)
Dec 12 13:23:40.496 INFO [stderr] warning: variable does not need to be mutable
Dec 12 13:23:40.496 INFO [stderr]    --> src/lib.rs:363:13
Dec 12 13:23:40.496 INFO [stderr]     |
Dec 12 13:23:40.496 INFO [stderr] 363 |         let mut stages = [PlayState::Placed, PlayState::Static, PlayState::Moved];
Dec 12 13:23:40.496 INFO [stderr]     |             ----^^^^^^
Dec 12 13:23:40.496 INFO [stderr]     |             |
Dec 12 13:23:40.496 INFO [stderr]     |             help: remove this `mut`
Dec 12 13:23:40.496 INFO [stderr]     |
Dec 12 13:23:40.496 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 13:23:40.496 INFO [stderr] 
Dec 12 13:23:40.500 INFO [stderr] warning: variable `A` should have a snake case name such as `a`
Dec 12 13:23:40.500 INFO [stderr]    --> src/lib.rs:199:14
Dec 12 13:23:40.500 INFO [stderr]     |
Dec 12 13:23:40.500 INFO [stderr] 199 |         for (A, B) in harmonies.iter().combinations() {
Dec 12 13:23:40.500 INFO [stderr]     |              ^
Dec 12 13:23:40.500 INFO [stderr]     |
Dec 12 13:23:40.500 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 12 13:23:40.500 INFO [stderr] 
Dec 12 13:23:40.500 INFO [stderr] warning: variable `B` should have a snake case name such as `b`
Dec 12 13:23:40.500 INFO [stderr]    --> src/lib.rs:199:17
Dec 12 13:23:40.500 INFO [stderr]     |
Dec 12 13:23:40.500 INFO [stderr] 199 |         for (A, B) in harmonies.iter().combinations() {
Dec 12 13:23:40.500 INFO [stderr]     |                 ^
Dec 12 13:23:40.500 INFO [stderr] 
Dec 12 13:23:40.500 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 12 13:23:40.500 INFO [stderr]    --> src/lib.rs:204:29
Dec 12 13:23:40.500 INFO [stderr]     |
Dec 12 13:23:40.500 INFO [stderr] 204 |                         let A_lower = std::cmp::min(A.start.y, A.end.y);
Dec 12 13:23:40.500 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.500 INFO [stderr] 
Dec 12 13:23:40.500 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 12 13:23:40.500 INFO [stderr]    --> src/lib.rs:205:29
Dec 12 13:23:40.500 INFO [stderr]     |
Dec 12 13:23:40.500 INFO [stderr] 205 |                         let A_upper = std::cmp::max(A.start.y, A.end.y);
Dec 12 13:23:40.500 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.500 INFO [stderr] 
Dec 12 13:23:40.500 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 12 13:23:40.500 INFO [stderr]    --> src/lib.rs:206:29
Dec 12 13:23:40.500 INFO [stderr]     |
Dec 12 13:23:40.500 INFO [stderr] 206 |                         let B_lower = std::cmp::min(B.start.x, B.end.x);
Dec 12 13:23:40.500 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.500 INFO [stderr] 
Dec 12 13:23:40.500 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 12 13:23:40.500 INFO [stderr]    --> src/lib.rs:207:29
Dec 12 13:23:40.500 INFO [stderr]     |
Dec 12 13:23:40.500 INFO [stderr] 207 |                         let B_upper = std::cmp::max(B.start.x, B.end.x);
Dec 12 13:23:40.500 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.501 INFO [stderr] 
Dec 12 13:23:40.501 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 12 13:23:40.501 INFO [stderr]    --> src/lib.rs:217:29
Dec 12 13:23:40.501 INFO [stderr]     |
Dec 12 13:23:40.501 INFO [stderr] 217 |                         let A_lower = std::cmp::min(A.start.x, A.end.x);
Dec 12 13:23:40.501 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.501 INFO [stderr] 
Dec 12 13:23:40.501 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 12 13:23:40.501 INFO [stderr]    --> src/lib.rs:218:29
Dec 12 13:23:40.501 INFO [stderr]     |
Dec 12 13:23:40.501 INFO [stderr] 218 |                         let A_upper = std::cmp::max(A.start.x, A.end.x);
Dec 12 13:23:40.501 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.501 INFO [stderr] 
Dec 12 13:23:40.501 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 12 13:23:40.501 INFO [stderr]    --> src/lib.rs:219:29
Dec 12 13:23:40.501 INFO [stderr]     |
Dec 12 13:23:40.501 INFO [stderr] 219 |                         let B_lower = std::cmp::min(B.start.y, B.end.y);
Dec 12 13:23:40.501 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.501 INFO [stderr] 
Dec 12 13:23:40.501 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 12 13:23:40.501 INFO [stderr]    --> src/lib.rs:220:29
Dec 12 13:23:40.501 INFO [stderr]     |
Dec 12 13:23:40.501 INFO [stderr] 220 |                         let B_upper = std::cmp::max(B.start.y, B.end.y);
Dec 12 13:23:40.501 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.501 INFO [stderr] 
Dec 12 13:23:40.501 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 12 13:23:40.501 INFO [stderr]    --> src/lib.rs:231:33
Dec 12 13:23:40.501 INFO [stderr]     |
Dec 12 13:23:40.501 INFO [stderr] 231 |                             let A_lower = std::cmp::min(A.start.y, A.end.y);
Dec 12 13:23:40.501 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.501 INFO [stderr] 
Dec 12 13:23:40.504 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 12 13:23:40.504 INFO [stderr]    --> src/lib.rs:232:33
Dec 12 13:23:40.504 INFO [stderr]     |
Dec 12 13:23:40.504 INFO [stderr] 232 |                             let A_upper = std::cmp::max(A.start.y, A.end.y);
Dec 12 13:23:40.504 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.504 INFO [stderr] 
Dec 12 13:23:40.504 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 12 13:23:40.504 INFO [stderr]    --> src/lib.rs:233:33
Dec 12 13:23:40.504 INFO [stderr]     |
Dec 12 13:23:40.504 INFO [stderr] 233 |                             let B_lower = std::cmp::min(B.start.y, B.end.y);
Dec 12 13:23:40.504 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.504 INFO [stderr] 
Dec 12 13:23:40.504 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 12 13:23:40.504 INFO [stderr]    --> src/lib.rs:234:33
Dec 12 13:23:40.504 INFO [stderr]     |
Dec 12 13:23:40.504 INFO [stderr] 234 |                             let B_upper = std::cmp::max(B.start.y, B.end.y);
Dec 12 13:23:40.504 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.504 INFO [stderr] 
Dec 12 13:23:40.504 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 12 13:23:40.504 INFO [stderr]    --> src/lib.rs:246:33
Dec 12 13:23:40.504 INFO [stderr]     |
Dec 12 13:23:40.504 INFO [stderr] 246 |                             let A_lower = std::cmp::min(A.start.x, A.end.x);
Dec 12 13:23:40.504 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.504 INFO [stderr] 
Dec 12 13:23:40.504 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 12 13:23:40.504 INFO [stderr]    --> src/lib.rs:247:33
Dec 12 13:23:40.504 INFO [stderr]     |
Dec 12 13:23:40.504 INFO [stderr] 247 |                             let A_upper = std::cmp::max(A.start.x, A.end.x);
Dec 12 13:23:40.504 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.505 INFO [stderr] 
Dec 12 13:23:40.505 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 12 13:23:40.505 INFO [stderr]    --> src/lib.rs:248:33
Dec 12 13:23:40.505 INFO [stderr]     |
Dec 12 13:23:40.505 INFO [stderr] 248 |                             let B_lower = std::cmp::min(B.start.x, B.end.x);
Dec 12 13:23:40.505 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.505 INFO [stderr] 
Dec 12 13:23:40.505 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 12 13:23:40.505 INFO [stderr]    --> src/lib.rs:249:33
Dec 12 13:23:40.505 INFO [stderr]     |
Dec 12 13:23:40.505 INFO [stderr] 249 |                             let B_upper = std::cmp::max(B.start.x, B.end.x);
Dec 12 13:23:40.505 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.505 INFO [stderr] 
Dec 12 13:23:40.607 INFO [stderr] warning: variable does not need to be mutable
Dec 12 13:23:40.607 INFO [stderr]    --> src/lib.rs:363:13
Dec 12 13:23:40.607 INFO [stderr]     |
Dec 12 13:23:40.607 INFO [stderr] 363 |         let mut stages = [PlayState::Placed, PlayState::Static, PlayState::Moved];
Dec 12 13:23:40.607 INFO [stderr]     |             ----^^^^^^
Dec 12 13:23:40.607 INFO [stderr]     |             |
Dec 12 13:23:40.607 INFO [stderr]     |             help: remove this `mut`
Dec 12 13:23:40.607 INFO [stderr]     |
Dec 12 13:23:40.607 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 13:23:40.607 INFO [stderr] 
Dec 12 13:23:40.645 INFO [stderr] warning: variable `A` should have a snake case name such as `a`
Dec 12 13:23:40.645 INFO [stderr]    --> src/lib.rs:199:14
Dec 12 13:23:40.645 INFO [stderr]     |
Dec 12 13:23:40.645 INFO [stderr] 199 |         for (A, B) in harmonies.iter().combinations() {
Dec 12 13:23:40.645 INFO [stderr]     |              ^
Dec 12 13:23:40.645 INFO [stderr]     |
Dec 12 13:23:40.645 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 12 13:23:40.645 INFO [stderr] 
Dec 12 13:23:40.645 INFO [stderr] warning: variable `B` should have a snake case name such as `b`
Dec 12 13:23:40.645 INFO [stderr]    --> src/lib.rs:199:17
Dec 12 13:23:40.645 INFO [stderr]     |
Dec 12 13:23:40.645 INFO [stderr] 199 |         for (A, B) in harmonies.iter().combinations() {
Dec 12 13:23:40.645 INFO [stderr]     |                 ^
Dec 12 13:23:40.645 INFO [stderr] 
Dec 12 13:23:40.646 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 12 13:23:40.646 INFO [stderr]    --> src/lib.rs:204:29
Dec 12 13:23:40.646 INFO [stderr]     |
Dec 12 13:23:40.646 INFO [stderr] 204 |                         let A_lower = std::cmp::min(A.start.y, A.end.y);
Dec 12 13:23:40.646 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.646 INFO [stderr] 
Dec 12 13:23:40.646 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 12 13:23:40.646 INFO [stderr]    --> src/lib.rs:205:29
Dec 12 13:23:40.646 INFO [stderr]     |
Dec 12 13:23:40.646 INFO [stderr] 205 |                         let A_upper = std::cmp::max(A.start.y, A.end.y);
Dec 12 13:23:40.646 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.646 INFO [stderr] 
Dec 12 13:23:40.646 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 12 13:23:40.646 INFO [stderr]    --> src/lib.rs:206:29
Dec 12 13:23:40.646 INFO [stderr]     |
Dec 12 13:23:40.646 INFO [stderr] 206 |                         let B_lower = std::cmp::min(B.start.x, B.end.x);
Dec 12 13:23:40.646 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.646 INFO [stderr] 
Dec 12 13:23:40.646 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 12 13:23:40.646 INFO [stderr]    --> src/lib.rs:207:29
Dec 12 13:23:40.646 INFO [stderr]     |
Dec 12 13:23:40.646 INFO [stderr] 207 |                         let B_upper = std::cmp::max(B.start.x, B.end.x);
Dec 12 13:23:40.646 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.646 INFO [stderr] 
Dec 12 13:23:40.646 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 12 13:23:40.646 INFO [stderr]    --> src/lib.rs:217:29
Dec 12 13:23:40.646 INFO [stderr]     |
Dec 12 13:23:40.646 INFO [stderr] 217 |                         let A_lower = std::cmp::min(A.start.x, A.end.x);
Dec 12 13:23:40.646 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.646 INFO [stderr] 
Dec 12 13:23:40.646 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 12 13:23:40.646 INFO [stderr]    --> src/lib.rs:218:29
Dec 12 13:23:40.646 INFO [stderr]     |
Dec 12 13:23:40.646 INFO [stderr] 218 |                         let A_upper = std::cmp::max(A.start.x, A.end.x);
Dec 12 13:23:40.646 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.646 INFO [stderr] 
Dec 12 13:23:40.646 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 12 13:23:40.646 INFO [stderr]    --> src/lib.rs:219:29
Dec 12 13:23:40.646 INFO [stderr]     |
Dec 12 13:23:40.646 INFO [stderr] 219 |                         let B_lower = std::cmp::min(B.start.y, B.end.y);
Dec 12 13:23:40.646 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.646 INFO [stderr] 
Dec 12 13:23:40.646 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 12 13:23:40.646 INFO [stderr]    --> src/lib.rs:220:29
Dec 12 13:23:40.646 INFO [stderr]     |
Dec 12 13:23:40.646 INFO [stderr] 220 |                         let B_upper = std::cmp::max(B.start.y, B.end.y);
Dec 12 13:23:40.646 INFO [stderr]     |                             ^^^^^^^
Dec 12 13:23:40.646 INFO [stderr] 
Dec 12 13:23:40.646 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 12 13:23:40.646 INFO [stderr]    --> src/lib.rs:231:33
Dec 12 13:23:40.646 INFO [stderr]     |
Dec 12 13:23:40.646 INFO [stderr] 231 |                             let A_lower = std::cmp::min(A.start.y, A.end.y);
Dec 12 13:23:40.646 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.646 INFO [stderr] 
Dec 12 13:23:40.646 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 12 13:23:40.646 INFO [stderr]    --> src/lib.rs:232:33
Dec 12 13:23:40.646 INFO [stderr]     |
Dec 12 13:23:40.646 INFO [stderr] 232 |                             let A_upper = std::cmp::max(A.start.y, A.end.y);
Dec 12 13:23:40.646 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.646 INFO [stderr] 
Dec 12 13:23:40.646 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 12 13:23:40.646 INFO [stderr]    --> src/lib.rs:233:33
Dec 12 13:23:40.646 INFO [stderr]     |
Dec 12 13:23:40.646 INFO [stderr] 233 |                             let B_lower = std::cmp::min(B.start.y, B.end.y);
Dec 12 13:23:40.646 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.646 INFO [stderr] 
Dec 12 13:23:40.646 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 12 13:23:40.646 INFO [stderr]    --> src/lib.rs:234:33
Dec 12 13:23:40.646 INFO [stderr]     |
Dec 12 13:23:40.646 INFO [stderr] 234 |                             let B_upper = std::cmp::max(B.start.y, B.end.y);
Dec 12 13:23:40.646 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.646 INFO [stderr] 
Dec 12 13:23:40.646 INFO [stderr] warning: variable `A_lower` should have a snake case name such as `a_lower`
Dec 12 13:23:40.647 INFO [stderr]    --> src/lib.rs:246:33
Dec 12 13:23:40.647 INFO [stderr]     |
Dec 12 13:23:40.647 INFO [stderr] 246 |                             let A_lower = std::cmp::min(A.start.x, A.end.x);
Dec 12 13:23:40.647 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.647 INFO [stderr] 
Dec 12 13:23:40.647 INFO [stderr] warning: variable `A_upper` should have a snake case name such as `a_upper`
Dec 12 13:23:40.647 INFO [stderr]    --> src/lib.rs:247:33
Dec 12 13:23:40.647 INFO [stderr]     |
Dec 12 13:23:40.647 INFO [stderr] 247 |                             let A_upper = std::cmp::max(A.start.x, A.end.x);
Dec 12 13:23:40.647 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.647 INFO [stderr] 
Dec 12 13:23:40.647 INFO [stderr] warning: variable `B_lower` should have a snake case name such as `b_lower`
Dec 12 13:23:40.647 INFO [stderr]    --> src/lib.rs:248:33
Dec 12 13:23:40.647 INFO [stderr]     |
Dec 12 13:23:40.647 INFO [stderr] 248 |                             let B_lower = std::cmp::min(B.start.x, B.end.x);
Dec 12 13:23:40.647 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.647 INFO [stderr] 
Dec 12 13:23:40.647 INFO [stderr] warning: variable `B_upper` should have a snake case name such as `b_upper`
Dec 12 13:23:40.647 INFO [stderr]    --> src/lib.rs:249:33
Dec 12 13:23:40.647 INFO [stderr]     |
Dec 12 13:23:40.647 INFO [stderr] 249 |                             let B_upper = std::cmp::max(B.start.x, B.end.x);
Dec 12 13:23:40.647 INFO [stderr]     |                                 ^^^^^^^
Dec 12 13:23:40.647 INFO [stderr] 
Dec 12 13:23:40.661 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Dec 12 13:23:40.664 INFO [stderr] su: No module specific data is present
Dec 12 13:23:41.050 INFO running `"docker" "inspect" "1d0c792edfd23dd9c4dc4675be9328ff09682b8e3a50e366d6578f04c0251cf6"`
Dec 12 13:23:41.137 INFO running `"docker" "rm" "-f" "1d0c792edfd23dd9c4dc4675be9328ff09682b8e3a50e366d6578f04c0251cf6"`
Dec 12 13:23:41.256 INFO [stdout] 1d0c792edfd23dd9c4dc4675be9328ff09682b8e3a50e366d6578f04c0251cf6