[INFO] fetching crate asciimusic 0.1.3...
[INFO] checking asciimusic-0.1.3 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate asciimusic 0.1.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate asciimusic 0.1.3
[INFO] finished tweaking crates.io crate asciimusic 0.1.3
[INFO] tweaked toml for crates.io crate asciimusic 0.1.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate asciimusic 0.1.3 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate asciimusic 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05c737a299e2d3593a8a415149efaec9b2b19a8935ef349a108f781a5e154cbd
[INFO] running `Command { std: "docker" "start" "-a" "05c737a299e2d3593a8a415149efaec9b2b19a8935ef349a108f781a5e154cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05c737a299e2d3593a8a415149efaec9b2b19a8935ef349a108f781a5e154cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c737a299e2d3593a8a415149efaec9b2b19a8935ef349a108f781a5e154cbd", kill_on_drop: false }`
[INFO] [stdout] 05c737a299e2d3593a8a415149efaec9b2b19a8935ef349a108f781a5e154cbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eba17b2f2829c4e1f91b06ed5307b8ff07efd3d4504cd73a6285878749a03e67
[INFO] running `Command { std: "docker" "start" "-a" "eba17b2f2829c4e1f91b06ed5307b8ff07efd3d4504cd73a6285878749a03e67", kill_on_drop: false }`
[INFO] [stderr]     Checking asciimusic v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/song.rs:105:36
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let instrument = match Instrument::from_id(instrument_id) {
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let instrument = match <dyn Instrument>::from_id(instrument_id) {
[INFO] [stdout]     |                                    ++++           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToBase32` is never used
[INFO] [stdout]   --> src/base32.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub trait ToBase32: Sized + fmt::Debug {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/voice.rs:87:32
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 self.instrument.borrow().sample(self.ramp / self.sample_rate)
[INFO] [stdout]    |                                ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `dyn Instrument` does not implement `Borrow`, so calling `borrow` on `&dyn Instrument` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/song.rs:185:28
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn voice_iterators(&mut self) -> Vec<VoiceIterator> {
[INFO] [stdout]     |                            ^^^^^^^^^         ------------- the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn voice_iterators(&mut self) -> Vec<VoiceIterator<'_>> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/song.rs:209:20
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub fn samples(&mut self) -> SongIterator {
[INFO] [stdout]     |                    ^^^^^^^^^     ------------ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub fn samples(&mut self) -> SongIterator<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/song.rs:105:36
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let instrument = match Instrument::from_id(instrument_id) {
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let instrument = match <dyn Instrument>::from_id(instrument_id) {
[INFO] [stdout]     |                                    ++++           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToBase32` is never used
[INFO] [stdout]   --> src/base32.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub trait ToBase32: Sized + fmt::Debug {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/voice.rs:87:32
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 self.instrument.borrow().sample(self.ramp / self.sample_rate)
[INFO] [stdout]    |                                ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `dyn Instrument` does not implement `Borrow`, so calling `borrow` on `&dyn Instrument` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/song.rs:185:28
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn voice_iterators(&mut self) -> Vec<VoiceIterator> {
[INFO] [stdout]     |                            ^^^^^^^^^         ------------- the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn voice_iterators(&mut self) -> Vec<VoiceIterator<'_>> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/song.rs:209:20
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub fn samples(&mut self) -> SongIterator {
[INFO] [stdout]     |                    ^^^^^^^^^     ------------ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub fn samples(&mut self) -> SongIterator<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "eba17b2f2829c4e1f91b06ed5307b8ff07efd3d4504cd73a6285878749a03e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba17b2f2829c4e1f91b06ed5307b8ff07efd3d4504cd73a6285878749a03e67", kill_on_drop: false }`
[INFO] [stdout] eba17b2f2829c4e1f91b06ed5307b8ff07efd3d4504cd73a6285878749a03e67
