[INFO] fetching crate sqa-engine 0.4.0...
[INFO] checking sqa-engine-0.4.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate sqa-engine 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate sqa-engine 0.4.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sqa-engine 0.4.0
[INFO] finished tweaking crates.io crate sqa-engine 0.4.0
[INFO] tweaked toml for crates.io crate sqa-engine 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bc0dd553ead3699a11990ff857e931c1a3145b1cfafedef8e45a8c40d3942857
[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" "bc0dd553ead3699a11990ff857e931c1a3145b1cfafedef8e45a8c40d3942857"`
[INFO] [stderr]     Checking nodrop-union v0.1.11
[INFO] [stderr]     Checking bounded-spsc-queue v0.4.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking jack-sys v0.1.5
[INFO] [stderr]     Checking sqa-jack v0.6.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking sqa-engine v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> examples/wav.rs:24:39
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 ec.conn.connect_ports(&ec.chans[chans[ch].0], &port).unwrap();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^ expected struct `sqa_engine::sqa_jack::JackPort`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&sqa_engine::sqa_jack::JackPort`
[INFO] [stderr]               found type `&std::option::Option<sqa_engine::sqa_jack::JackPort>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> examples/wav.rs:29:39
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 ec.conn.connect_ports(&ec.chans[chans[ch].0], &port).unwrap();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^ expected struct `sqa_engine::sqa_jack::JackPort`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&sqa_engine::sqa_jack::JackPort`
[INFO] [stderr]               found type `&std::option::Option<sqa_engine::sqa_jack::JackPort>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `sqa_engine::param::Parameter<f32>` doesn't implement `std::fmt::Display`
[INFO] [stderr]   --> examples/wav.rs:65:93
[INFO] [stderr]    |
[INFO] [stderr] 65 |         println!("{}: {} samples - vol {}", ctls[0].position(), ctls[0].position_samples(), ctls[0].volume());
[INFO] [stderr]    |                                                                                             ^^^^^^^^^^^^^^^^ `sqa_engine::param::Parameter<f32>` cannot be formatted with the default formatter
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::fmt::Display` is not implemented for `sqa_engine::param::Parameter<f32>`
[INFO] [stderr]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stderr]    = note: required by `std::fmt::Display::fmt`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> examples/wav.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |             ctls[0].set_volume((secs - 25) as f32 * 0.1);
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::boxed::Box`, found f32
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::boxed::Box<sqa_engine::param::Parameter<f32>>`
[INFO] [stderr]               found type `f32`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `sqa-engine`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bc0dd553ead3699a11990ff857e931c1a3145b1cfafedef8e45a8c40d3942857"`
[INFO] running `"docker" "rm" "-f" "bc0dd553ead3699a11990ff857e931c1a3145b1cfafedef8e45a8c40d3942857"`
[INFO] [stdout] bc0dd553ead3699a11990ff857e931c1a3145b1cfafedef8e45a8c40d3942857