[INFO] fetching crate scaleless_music 0.0.8...
[INFO] checking scaleless_music-0.0.8 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate scaleless_music 0.0.8 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate scaleless_music 0.0.8 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate scaleless_music 0.0.8
[INFO] finished tweaking crates.io crate scaleless_music 0.0.8
[INFO] tweaked toml for crates.io crate scaleless_music 0.0.8 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d4daeeb2ec229655c5a872d351525b14bffae2eb81d710fbad27d24e87a6b9f
[INFO] running `"docker" "start" "-a" "0d4daeeb2ec229655c5a872d351525b14bffae2eb81d710fbad27d24e87a6b9f"`
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[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking scaleless_music v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stderr]   --> src/lib.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 | #![forbid(bad_style, exceeding_bitshifts, mutable_transmutes, no_mangle_const_items,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stderr]   --> src/lib.rs:27:57
[INFO] [stderr]    |
[INFO] [stderr] 27 |     non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stderr]   --> src/lib.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stderr]   --> src/lib.rs:28:28
[INFO] [stderr]    |
[INFO] [stderr] 28 |     private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sound/progress.rs:176:21
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let timer = try!(Timer::new(sample_rate));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:26:9
[INFO] [stderr]     |
[INFO] [stderr] 26  | #![deny(deprecated, improper_ctypes, missing_docs,
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sound/errors.rs:111:32
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sound/amplitude.rs:489:29
[INFO] [stderr]     |
[INFO] [stderr] 489 |     amp_funct_array: Vec<Rc<AmplitudeJoinable>>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeJoinable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sound/amplitude.rs:507:41
[INFO] [stderr]     |
[INFO] [stderr] 507 |     pub fn add(&mut self, amplitude: Rc<AmplitudeJoinable>) {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeJoinable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sound/amplitude_overtones.rs:308:24
[INFO] [stderr]     |
[INFO] [stderr] 308 |     amplitudes: Vec<Rc<AmplitudeOvertonesJoinable>>,
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesJoinable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sound/wave.rs:67:29
[INFO] [stderr]    |
[INFO] [stderr] 67 |     amplitude_overtones: Rc<AmplitudeOvertonesProvider>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sound/wave.rs:76:40
[INFO] [stderr]    |
[INFO] [stderr] 76 |                amplitude_overtones: Rc<AmplitudeOvertonesProvider>,
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sound/wave.rs:102:50
[INFO] [stderr]     |
[INFO] [stderr] 102 |                          amplitude_overtones: Rc<AmplitudeOvertonesProvider>)
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sound/wave.rs:161:15
[INFO] [stderr]     |
[INFO] [stderr] 161 |     sound: Rc<SoundStructure>,
[INFO] [stderr]     |               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sound/wave.rs:189:26
[INFO] [stderr]     |
[INFO] [stderr] 189 |                sound: Rc<SoundStructure>,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sound/wave.rs:309:24
[INFO] [stderr]     |
[INFO] [stderr] 309 |     sound_fade_out: Rc<SoundStructure>,
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sound/wave.rs:310:23
[INFO] [stderr]     |
[INFO] [stderr] 310 |     sound_fade_in: Rc<SoundStructure>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sound/wave.rs:324:35
[INFO] [stderr]     |
[INFO] [stderr] 324 |                sound_fade_out: Rc<SoundStructure>,
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sound/wave.rs:325:34
[INFO] [stderr]     |
[INFO] [stderr] 325 |                sound_fade_in: Rc<SoundStructure>)
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sound/note.rs:20:15
[INFO] [stderr]    |
[INFO] [stderr] 20 |     sound: Rc<SoundStructure>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/sound/mod.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |         Ok((1.0 / sample_rate))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:30:42
[INFO] [stderr]     |
[INFO] [stderr] 30  |     unused_comparisons, unused_features, unused_parens, while_true)]
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/sound/errors.rs:74:26
[INFO] [stderr]    |
[INFO] [stderr] 74 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr] error: aborting due to 3 previous errors; 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `scaleless_music`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0d4daeeb2ec229655c5a872d351525b14bffae2eb81d710fbad27d24e87a6b9f"`
[INFO] running `"docker" "rm" "-f" "0d4daeeb2ec229655c5a872d351525b14bffae2eb81d710fbad27d24e87a6b9f"`
[INFO] [stdout] 0d4daeeb2ec229655c5a872d351525b14bffae2eb81d710fbad27d24e87a6b9f