[INFO] crate harmony 0.2.1 is already in cache [INFO] extracting crate harmony 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/harmony/0.2.1 [INFO] extracting crate harmony 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/harmony/0.2.1 [INFO] validating manifest of harmony-0.2.1 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of harmony-0.2.1 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/reg/harmony/0.2.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing harmony-0.2.1 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 66c6650033825b6331fe411a39c85bc4ed6d2f7070d01294ae2056035d2aaf47 [INFO] running `"docker" "start" "-a" "66c6650033825b6331fe411a39c85bc4ed6d2f7070d01294ae2056035d2aaf47"` [INFO] [stderr] Compiling 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] Finished dev [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `"docker" "inspect" "66c6650033825b6331fe411a39c85bc4ed6d2f7070d01294ae2056035d2aaf47"` [INFO] running `"docker" "rm" "-f" "66c6650033825b6331fe411a39c85bc4ed6d2f7070d01294ae2056035d2aaf47"` [INFO] [stdout] 66c6650033825b6331fe411a39c85bc4ed6d2f7070d01294ae2056035d2aaf47 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 7b2d564b75c1195a7d3019a3b2bb7f8573e76feb5e26072df902ea85e9641035 [INFO] running `"docker" "start" "-a" "7b2d564b75c1195a7d3019a3b2bb7f8573e76feb5e26072df902ea85e9641035"` [INFO] [stderr] Compiling 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] Finished dev [unoptimized + debuginfo] target(s) in 1.30s [INFO] running `"docker" "inspect" "7b2d564b75c1195a7d3019a3b2bb7f8573e76feb5e26072df902ea85e9641035"` [INFO] running `"docker" "rm" "-f" "7b2d564b75c1195a7d3019a3b2bb7f8573e76feb5e26072df902ea85e9641035"` [INFO] [stdout] 7b2d564b75c1195a7d3019a3b2bb7f8573e76feb5e26072df902ea85e9641035 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 548985df38ca67d3ca84d22bc43c50f2c6bc8556aa43125f3e4bd72088e66a92 [INFO] running `"docker" "start" "-a" "548985df38ca67d3ca84d22bc43c50f2c6bc8556aa43125f3e4bd72088e66a92"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/harmony-5e9c4f7596ffe130 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::harmonies_test ... ok [INFO] [stdout] test tests::directions ... ok [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test tests::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests harmony [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "548985df38ca67d3ca84d22bc43c50f2c6bc8556aa43125f3e4bd72088e66a92"` [INFO] running `"docker" "rm" "-f" "548985df38ca67d3ca84d22bc43c50f2c6bc8556aa43125f3e4bd72088e66a92"` [INFO] [stdout] 548985df38ca67d3ca84d22bc43c50f2c6bc8556aa43125f3e4bd72088e66a92