[INFO] crate piano_keyboard 0.2.3 is already in cache
[INFO] testing piano_keyboard-0.2.3 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate piano_keyboard 0.2.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate piano_keyboard 0.2.3 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate piano_keyboard 0.2.3
[INFO] finished tweaking crates.io crate piano_keyboard 0.2.3
[INFO] tweaked toml for crates.io crate piano_keyboard 0.2.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate piano_keyboard 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a0d21e25e0db751beee1c8ecb6d87b6e2532bf68b6b0b093c116f2b950d60a55
[INFO] running `"docker" "start" "-a" "a0d21e25e0db751beee1c8ecb6d87b6e2532bf68b6b0b093c116f2b950d60a55"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling piano_keyboard v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "a0d21e25e0db751beee1c8ecb6d87b6e2532bf68b6b0b093c116f2b950d60a55"`
[INFO] running `"docker" "rm" "-f" "a0d21e25e0db751beee1c8ecb6d87b6e2532bf68b6b0b093c116f2b950d60a55"`
[INFO] [stdout] a0d21e25e0db751beee1c8ecb6d87b6e2532bf68b6b0b093c116f2b950d60a55
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] dd30a724a8d19bc1b3e77f4b18bb1ac3f4e88710757a0f7b02db691b9a4113f3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "dd30a724a8d19bc1b3e77f4b18bb1ac3f4e88710757a0f7b02db691b9a4113f3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling piano_keyboard v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `"docker" "inspect" "dd30a724a8d19bc1b3e77f4b18bb1ac3f4e88710757a0f7b02db691b9a4113f3"`
[INFO] running `"docker" "rm" "-f" "dd30a724a8d19bc1b3e77f4b18bb1ac3f4e88710757a0f7b02db691b9a4113f3"`
[INFO] [stdout] dd30a724a8d19bc1b3e77f4b18bb1ac3f4e88710757a0f7b02db691b9a4113f3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 6f037ab105a7098bd2e58fd4feabc047e8c5d88861dfe1119decd53166799046
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6f037ab105a7098bd2e58fd4feabc047e8c5d88861dfe1119decd53166799046"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/piano_keyboard-d6f281e7ed2276be
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_all_pianos ... ignored
[INFO] [stdout] test tests::test_max_width ... ok
[INFO] [stdout] test tests::test_standard_pianos ... ok
[INFO] [stdout] test tests::test_several_widths ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests piano_keyboard
[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" "6f037ab105a7098bd2e58fd4feabc047e8c5d88861dfe1119decd53166799046"`
[INFO] running `"docker" "rm" "-f" "6f037ab105a7098bd2e58fd4feabc047e8c5d88861dfe1119decd53166799046"`
[INFO] [stdout] 6f037ab105a7098bd2e58fd4feabc047e8c5d88861dfe1119decd53166799046