[INFO] crate piano_keyboard 0.2.2 is already in cache
[INFO] testing piano_keyboard-0.2.2 against 1.38.0 for beta-1.39-1
[INFO] extracting crate piano_keyboard 0.2.2 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate piano_keyboard 0.2.2 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate piano_keyboard 0.2.2
[INFO] finished tweaking crates.io crate piano_keyboard 0.2.2
[INFO] tweaked toml for crates.io crate piano_keyboard 0.2.2 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 61e8b4bc8009baa4eec96f1fe4dea85e8c1d4b78d487edebd754d9e3f05a9583
[INFO] running `"docker" "start" "-a" "61e8b4bc8009baa4eec96f1fe4dea85e8c1d4b78d487edebd754d9e3f05a9583"`
[INFO] [stderr]    Compiling piano_keyboard v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "61e8b4bc8009baa4eec96f1fe4dea85e8c1d4b78d487edebd754d9e3f05a9583"`
[INFO] running `"docker" "rm" "-f" "61e8b4bc8009baa4eec96f1fe4dea85e8c1d4b78d487edebd754d9e3f05a9583"`
[INFO] [stdout] 61e8b4bc8009baa4eec96f1fe4dea85e8c1d4b78d487edebd754d9e3f05a9583
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c72f4db5e352be0d0eda52103cfb05ab36afc300c7a6b982d495a68187cc3334
[INFO] running `"docker" "start" "-a" "c72f4db5e352be0d0eda52103cfb05ab36afc300c7a6b982d495a68187cc3334"`
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling piano_keyboard v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/make_png.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> examples/make_png.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |         .author(crate_authors!("\n"))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> examples/make_png.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |         .author(crate_authors!("\n"))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `"docker" "inspect" "c72f4db5e352be0d0eda52103cfb05ab36afc300c7a6b982d495a68187cc3334"`
[INFO] running `"docker" "rm" "-f" "c72f4db5e352be0d0eda52103cfb05ab36afc300c7a6b982d495a68187cc3334"`
[INFO] [stdout] c72f4db5e352be0d0eda52103cfb05ab36afc300c7a6b982d495a68187cc3334
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 6047ec9111dc2eae5171fd4d3f4bd498eb217157261f5b37e4ddd730efa4a94c
[INFO] running `"docker" "start" "-a" "6047ec9111dc2eae5171fd4d3f4bd498eb217157261f5b37e4ddd730efa4a94c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/piano_keyboard-5e5c32e85c1b80bc
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[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; 0 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" "6047ec9111dc2eae5171fd4d3f4bd498eb217157261f5b37e4ddd730efa4a94c"`
[INFO] running `"docker" "rm" "-f" "6047ec9111dc2eae5171fd4d3f4bd498eb217157261f5b37e4ddd730efa4a94c"`
[INFO] [stdout] 6047ec9111dc2eae5171fd4d3f4bd498eb217157261f5b37e4ddd730efa4a94c