[INFO] crate harmony 0.2.1 is already in cache
[INFO] extracting crate harmony 0.2.1 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/harmony/0.2.1
[INFO] extracting crate harmony 0.2.1 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/harmony/0.2.1
[INFO] validating manifest of harmony-0.2.1 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of harmony-0.2.1 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-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-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/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-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/harmony/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking harmony-0.2.1 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-2/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ec50f01a504b6adcdc42d917a5ecb2c05599f0d6bec6c5ba411725ef6bc37f19
[INFO] running `"docker" "start" "-a" "ec50f01a504b6adcdc42d917a5ecb2c05599f0d6bec6c5ba411725ef6bc37f19"`
[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 0.69s
[INFO] running `"docker" "inspect" "ec50f01a504b6adcdc42d917a5ecb2c05599f0d6bec6c5ba411725ef6bc37f19"`
[INFO] running `"docker" "rm" "-f" "ec50f01a504b6adcdc42d917a5ecb2c05599f0d6bec6c5ba411725ef6bc37f19"`
[INFO] [stdout] ec50f01a504b6adcdc42d917a5ecb2c05599f0d6bec6c5ba411725ef6bc37f19