[INFO] fetching crate recovery-whiskers 0.7.1...
[INFO] checking recovery-whiskers-0.7.1 against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] extracting crate recovery-whiskers 0.7.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate recovery-whiskers 0.7.1
[INFO] finished tweaking crates.io crate recovery-whiskers 0.7.1
[INFO] tweaked toml for crates.io crate recovery-whiskers 0.7.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate recovery-whiskers 0.7.1 on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate recovery-whiskers 0.7.1 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a232534e3dc0e3d4d70552745025b240427329540de4f7ed55e909570a4548e7
[INFO] running `Command { std: "docker" "start" "a232534e3dc0e3d4d70552745025b240427329540de4f7ed55e909570a4548e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a232534e3dc0e3d4d70552745025b240427329540de4f7ed55e909570a4548e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a232534e3dc0e3d4d70552745025b240427329540de4f7ed55e909570a4548e7" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a232534e3dc0e3d4d70552745025b240427329540de4f7ed55e909570a4548e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a232534e3dc0e3d4d70552745025b240427329540de4f7ed55e909570a4548e7" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking recovery-whiskers v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `async_std::task`
[INFO] [stdout]    --> src/lib/decoder/ibm_mfm_parser.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 | use async_std::task;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib/status_widget.rs:314:27
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn missing_tracks_for(&self, tracks: &Vec<TrackDisplay>, colors: &Colors) -> Vec<Line> {
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here                          ^^^^ the same lifetime is hidden 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] 314 |     fn missing_tracks_for(&self, tracks: &Vec<TrackDisplay>, colors: &Colors) -> Vec<Line<'_>> {
[INFO] [stdout]     |                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib/status_widget.rs:360:9
[INFO] [stdout]     |
[INFO] [stdout] 360 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 364 |     ) -> Vec<Line> {
[INFO] [stdout]     |              ^^^^ the same lifetime is hidden 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] 364 |     ) -> Vec<Line<'_>> {
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib/status_widget.rs:390:23
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn track_overview(&self, colors: &Colors) -> (Vec<Line>, Vec<Line>) {
[INFO] [stdout]     |                       ^^^^^                           ^^^^       ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |                               |
[INFO] [stdout]     |                       |                               the same lifetime is hidden here
[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] 390 |     fn track_overview(&self, colors: &Colors) -> (Vec<Line<'_>>, Vec<Line<'_>>) {
[INFO] [stdout]     |                                                           ++++           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mfm_bitvec`
[INFO] [stdout]    --> src/lib/pulse_store.rs:721:10
[INFO] [stdout]     |
[INFO] [stdout] 721 |     let (mfm_bitvec, mfm_syncs) = mfm.bitvec_test();
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mfm_bitvec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mfm_syncs`
[INFO] [stdout]    --> src/lib/pulse_store.rs:721:22
[INFO] [stdout]     |
[INFO] [stdout] 721 |     let (mfm_bitvec, mfm_syncs) = mfm.bitvec_test();
[INFO] [stdout]     |                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mfm_syncs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_mfm_track_from_file` is never used
[INFO] [stdout]    --> src/lib/decoder/ibm_mfm_parser.rs:256:4
[INFO] [stdout]     |
[INFO] [stdout] 256 | fn load_mfm_track_from_file(filename: &str) -> Mfm {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_gw_u32_file` is never used
[INFO] [stdout]    --> src/lib/flux.rs:405:4
[INFO] [stdout]     |
[INFO] [stdout] 405 | fn read_gw_u32_file(filename: &str) -> Vec<u16> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_rwr` is never used
[INFO] [stdout]    --> src/lib/flux.rs:427:4
[INFO] [stdout]     |
[INFO] [stdout] 427 | fn read_rwr(filename: &str) -> RecoveryWhiskersRaw {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib/status_widget.rs:314:27
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn missing_tracks_for(&self, tracks: &Vec<TrackDisplay>, colors: &Colors) -> Vec<Line> {
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here                          ^^^^ the same lifetime is hidden 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] 314 |     fn missing_tracks_for(&self, tracks: &Vec<TrackDisplay>, colors: &Colors) -> Vec<Line<'_>> {
[INFO] [stdout]     |                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib/status_widget.rs:360:9
[INFO] [stdout]     |
[INFO] [stdout] 360 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 364 |     ) -> Vec<Line> {
[INFO] [stdout]     |              ^^^^ the same lifetime is hidden 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] 364 |     ) -> Vec<Line<'_>> {
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib/status_widget.rs:390:23
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn track_overview(&self, colors: &Colors) -> (Vec<Line>, Vec<Line>) {
[INFO] [stdout]     |                       ^^^^^                           ^^^^       ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |                               |
[INFO] [stdout]     |                       |                               the same lifetime is hidden here
[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] 390 |     fn track_overview(&self, colors: &Colors) -> (Vec<Line<'_>>, Vec<Line<'_>>) {
[INFO] [stdout]     |                                                           ++++           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `dhat`
[INFO] [stderr]   --> Cargo.toml:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 | [dependencies.dhat]
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `dhat`
[INFO] [stderr] warning: unused dependency `hex`
[INFO] [stderr]   --> Cargo.toml:37:15
[INFO] [stderr]    |
[INFO] [stderr] 37 | [dependencies.hex]
[INFO] [stderr]    |               ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `hex`
[INFO] [stderr] warning: `recovery-whiskers` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 56.41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "a232534e3dc0e3d4d70552745025b240427329540de4f7ed55e909570a4548e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a232534e3dc0e3d4d70552745025b240427329540de4f7ed55e909570a4548e7", kill_on_drop: false }`
[INFO] [stdout] a232534e3dc0e3d4d70552745025b240427329540de4f7ed55e909570a4548e7
