[INFO] fetching crate minstrel 0.3.2...
[INFO] testing minstrel-0.3.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate minstrel 0.3.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate minstrel 0.3.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minstrel 0.3.2
[INFO] finished tweaking crates.io crate minstrel 0.3.2
[INFO] tweaked toml for crates.io crate minstrel 0.3.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74df0834c5f13896a1b952021323258285a91da644de90b21f1036f0715147d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "74df0834c5f13896a1b952021323258285a91da644de90b21f1036f0715147d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74df0834c5f13896a1b952021323258285a91da644de90b21f1036f0715147d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74df0834c5f13896a1b952021323258285a91da644de90b21f1036f0715147d8", kill_on_drop: false }`
[INFO] [stdout] 74df0834c5f13896a1b952021323258285a91da644de90b21f1036f0715147d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b14c3a229f5f9739ab7926df69890e5b6a0cfa76ca0dd02853671e7a100c279
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7b14c3a229f5f9739ab7926df69890e5b6a0cfa76ca0dd02853671e7a100c279", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling minstrel v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.43s
[INFO] running `Command { std: "docker" "inspect" "7b14c3a229f5f9739ab7926df69890e5b6a0cfa76ca0dd02853671e7a100c279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b14c3a229f5f9739ab7926df69890e5b6a0cfa76ca0dd02853671e7a100c279", kill_on_drop: false }`
[INFO] [stdout] 7b14c3a229f5f9739ab7926df69890e5b6a0cfa76ca0dd02853671e7a100c279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1973a579df01a9cfe4f4905e1b04d25c3af7b58716b8ecc7dac18fd3dc99f01a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1973a579df01a9cfe4f4905e1b04d25c3af7b58716b8ecc7dac18fd3dc99f01a", kill_on_drop: false }`
[INFO] [stderr]    Compiling minstrel v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "1973a579df01a9cfe4f4905e1b04d25c3af7b58716b8ecc7dac18fd3dc99f01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1973a579df01a9cfe4f4905e1b04d25c3af7b58716b8ecc7dac18fd3dc99f01a", kill_on_drop: false }`
[INFO] [stdout] 1973a579df01a9cfe4f4905e1b04d25c3af7b58716b8ecc7dac18fd3dc99f01a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c358c2da9ad06bbc79f3bcf635f5fa2f078f56790c46bfc5ff9f6fe0c69d3cd3
[INFO] running `Command { std: "docker" "start" "-a" "c358c2da9ad06bbc79f3bcf635f5fa2f078f56790c46bfc5ff9f6fe0c69d3cd3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minstrel-8e2cff733ae8ace7
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test key::construction ... ok
[INFO] [stdout] test key::display_tests::alternate ... ok
[INFO] [stdout] test note::display_tests::alternate ... ok
[INFO] [stdout] test note::display_tests::normal ... ok
[INFO] [stdout] test note::parsing ... ok
[INFO] [stdout] test note::transposition ... ok
[INFO] [stderr]    Doc-tests minstrel
[INFO] [stdout] test key::octave_disregard ... ok
[INFO] [stdout] test note::interval_calculation ... ok
[INFO] [stdout] test key::display_tests::normal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/note.rs - note::Note (line 29) ... ok
[INFO] [stdout] test src/note.rs - note::Note (line 40) ... ok
[INFO] [stdout] test src/note.rs - note::Note (line 53) ... ok
[INFO] [stdout] test src/note.rs - note::Note::disregard_octave (line 87) ... ok
[INFO] [stdout] test src/key.rs - key::guess_keys (line 169) ... ok
[INFO] [stdout] test src/key.rs - key::Key::notes_disregarding_octave (line 46) ... ok
[INFO] [stdout] test src/key.rs - key::Key::new (line 18) ... ok
[INFO] [stdout] test src/note.rs - note::Note (line 15) ... ok
[INFO] [stdout] test src/note.rs - note::Note::new (line 71) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c358c2da9ad06bbc79f3bcf635f5fa2f078f56790c46bfc5ff9f6fe0c69d3cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c358c2da9ad06bbc79f3bcf635f5fa2f078f56790c46bfc5ff9f6fe0c69d3cd3", kill_on_drop: false }`
[INFO] [stdout] c358c2da9ad06bbc79f3bcf635f5fa2f078f56790c46bfc5ff9f6fe0c69d3cd3