[INFO] crate harmony 0.2.1 is already in cache
[INFO] extracting crate harmony 0.2.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/harmony/0.2.1
[INFO] extracting crate harmony 0.2.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/harmony/0.2.1
[INFO] validating manifest of harmony-0.2.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of harmony-0.2.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing harmony-0.2.1
[INFO] finished frobbing harmony-0.2.1
[INFO] frobbed toml for harmony-0.2.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/harmony/0.2.1/Cargo.toml
[INFO] started frobbing harmony-0.2.1
[INFO] finished frobbing harmony-0.2.1
[INFO] frobbed toml for harmony-0.2.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/harmony/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking harmony-0.2.1 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e232eac0129859244b6ef0a4db7ba2b499dd35f4da3ddc4fa1656eca212a8ceb
[INFO] running `"docker" "start" "-a" "e232eac0129859244b6ef0a4db7ba2b499dd35f4da3ddc4fa1656eca212a8ceb"`
[INFO] [stderr]     Checking harmony v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:363:13
[INFO] [stderr]     |
[INFO] [stderr] 363 |         let mut stages = [PlayState::Placed, PlayState::Static, PlayState::Moved];
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:199:14
[INFO] [stderr]     |
[INFO] [stderr] 199 |         for (A, B) in harmonies.iter().combinations() {
[INFO] [stderr]     |              ^ help: convert the identifier to snake case: `a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |         for (A, B) in harmonies.iter().combinations() {
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `b`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:204:29
[INFO] [stderr]     |
[INFO] [stderr] 204 |                         let A_lower = std::cmp::min(A.start.y, A.end.y);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `a_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:205:29
[INFO] [stderr]     |
[INFO] [stderr] 205 |                         let A_upper = std::cmp::max(A.start.y, A.end.y);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `a_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:206:29
[INFO] [stderr]     |
[INFO] [stderr] 206 |                         let B_lower = std::cmp::min(B.start.x, B.end.x);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `b_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:207:29
[INFO] [stderr]     |
[INFO] [stderr] 207 |                         let B_upper = std::cmp::max(B.start.x, B.end.x);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `b_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:217:29
[INFO] [stderr]     |
[INFO] [stderr] 217 |                         let A_lower = std::cmp::min(A.start.x, A.end.x);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `a_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:218:29
[INFO] [stderr]     |
[INFO] [stderr] 218 |                         let A_upper = std::cmp::max(A.start.x, A.end.x);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `a_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:219:29
[INFO] [stderr]     |
[INFO] [stderr] 219 |                         let B_lower = std::cmp::min(B.start.y, B.end.y);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `b_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:220:29
[INFO] [stderr]     |
[INFO] [stderr] 220 |                         let B_upper = std::cmp::max(B.start.y, B.end.y);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `b_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:231:33
[INFO] [stderr]     |
[INFO] [stderr] 231 |                             let A_lower = std::cmp::min(A.start.y, A.end.y);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `a_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:232:33
[INFO] [stderr]     |
[INFO] [stderr] 232 |                             let A_upper = std::cmp::max(A.start.y, A.end.y);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `a_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:233:33
[INFO] [stderr]     |
[INFO] [stderr] 233 |                             let B_lower = std::cmp::min(B.start.y, B.end.y);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `b_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:234:33
[INFO] [stderr]     |
[INFO] [stderr] 234 |                             let B_upper = std::cmp::max(B.start.y, B.end.y);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `b_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:246:33
[INFO] [stderr]     |
[INFO] [stderr] 246 |                             let A_lower = std::cmp::min(A.start.x, A.end.x);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `a_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:247:33
[INFO] [stderr]     |
[INFO] [stderr] 247 |                             let A_upper = std::cmp::max(A.start.x, A.end.x);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `a_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:248:33
[INFO] [stderr]     |
[INFO] [stderr] 248 |                             let B_lower = std::cmp::min(B.start.x, B.end.x);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `b_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:249:33
[INFO] [stderr]     |
[INFO] [stderr] 249 |                             let B_upper = std::cmp::max(B.start.x, B.end.x);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `b_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:363:13
[INFO] [stderr]     |
[INFO] [stderr] 363 |         let mut stages = [PlayState::Placed, PlayState::Static, PlayState::Moved];
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:199:14
[INFO] [stderr]     |
[INFO] [stderr] 199 |         for (A, B) in harmonies.iter().combinations() {
[INFO] [stderr]     |              ^ help: convert the identifier to snake case: `a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |         for (A, B) in harmonies.iter().combinations() {
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `b`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:204:29
[INFO] [stderr]     |
[INFO] [stderr] 204 |                         let A_lower = std::cmp::min(A.start.y, A.end.y);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `a_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:205:29
[INFO] [stderr]     |
[INFO] [stderr] 205 |                         let A_upper = std::cmp::max(A.start.y, A.end.y);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `a_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:206:29
[INFO] [stderr]     |
[INFO] [stderr] 206 |                         let B_lower = std::cmp::min(B.start.x, B.end.x);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `b_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:207:29
[INFO] [stderr]     |
[INFO] [stderr] 207 |                         let B_upper = std::cmp::max(B.start.x, B.end.x);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `b_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:217:29
[INFO] [stderr]     |
[INFO] [stderr] 217 |                         let A_lower = std::cmp::min(A.start.x, A.end.x);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `a_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:218:29
[INFO] [stderr]     |
[INFO] [stderr] 218 |                         let A_upper = std::cmp::max(A.start.x, A.end.x);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `a_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:219:29
[INFO] [stderr]     |
[INFO] [stderr] 219 |                         let B_lower = std::cmp::min(B.start.y, B.end.y);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `b_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:220:29
[INFO] [stderr]     |
[INFO] [stderr] 220 |                         let B_upper = std::cmp::max(B.start.y, B.end.y);
[INFO] [stderr]     |                             ^^^^^^^ help: convert the identifier to snake case: `b_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:231:33
[INFO] [stderr]     |
[INFO] [stderr] 231 |                             let A_lower = std::cmp::min(A.start.y, A.end.y);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `a_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:232:33
[INFO] [stderr]     |
[INFO] [stderr] 232 |                             let A_upper = std::cmp::max(A.start.y, A.end.y);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `a_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:233:33
[INFO] [stderr]     |
[INFO] [stderr] 233 |                             let B_lower = std::cmp::min(B.start.y, B.end.y);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `b_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:234:33
[INFO] [stderr]     |
[INFO] [stderr] 234 |                             let B_upper = std::cmp::max(B.start.y, B.end.y);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `b_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:246:33
[INFO] [stderr]     |
[INFO] [stderr] 246 |                             let A_lower = std::cmp::min(A.start.x, A.end.x);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `a_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:247:33
[INFO] [stderr]     |
[INFO] [stderr] 247 |                             let A_upper = std::cmp::max(A.start.x, A.end.x);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `a_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_lower` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:248:33
[INFO] [stderr]     |
[INFO] [stderr] 248 |                             let B_lower = std::cmp::min(B.start.x, B.end.x);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `b_lower`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B_upper` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:249:33
[INFO] [stderr]     |
[INFO] [stderr] 249 |                             let B_upper = std::cmp::max(B.start.x, B.end.x);
[INFO] [stderr]     |                                 ^^^^^^^ help: convert the identifier to snake case: `b_upper`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "e232eac0129859244b6ef0a4db7ba2b499dd35f4da3ddc4fa1656eca212a8ceb"`
[INFO] running `"docker" "rm" "-f" "e232eac0129859244b6ef0a4db7ba2b499dd35f4da3ddc4fa1656eca212a8ceb"`
[INFO] [stdout] e232eac0129859244b6ef0a4db7ba2b499dd35f4da3ddc4fa1656eca212a8ceb