[INFO] updating cached repository ahdinosaur/metronome
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ahdinosaur/metronome
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ahdinosaur/metronome" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ahdinosaur/metronome"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ahdinosaur/metronome'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ahdinosaur/metronome" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ahdinosaur/metronome"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ahdinosaur/metronome'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62baf61cb4dc0873e24a0d1abc854e622ff13743
[INFO] sha for GitHub repo ahdinosaur/metronome: 62baf61cb4dc0873e24a0d1abc854e622ff13743
[INFO] validating manifest of ahdinosaur/metronome on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ahdinosaur/metronome on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ahdinosaur/metronome
[INFO] finished frobbing ahdinosaur/metronome
[INFO] frobbed toml for ahdinosaur/metronome written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ahdinosaur/metronome/Cargo.toml
[INFO] started frobbing ahdinosaur/metronome
[INFO] finished frobbing ahdinosaur/metronome
[INFO] frobbed toml for ahdinosaur/metronome written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ahdinosaur/metronome/Cargo.toml
[INFO] crate ahdinosaur/metronome already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ahdinosaur/metronome against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-1/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ahdinosaur/metronome:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5f8d74f24f80ba25f2f977ce4428c784a9acb28b6184067774c9ecc0693e8c96
[INFO] running `"docker" "start" "-a" "5f8d74f24f80ba25f2f977ce4428c784a9acb28b6184067774c9ecc0693e8c96"`
[INFO] [stderr]    Compiling ncurses v5.91.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking metronome v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/interface.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             ncurses::endwin();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/interface.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         for i in 0..ticks_since_beat.to_integer() {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/interface.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |         for i in 0..beats_since_bar.to_integer() {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/interface.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |         for i in 0..bars_since_loop.to_integer() {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/interface.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             ncurses::endwin();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/interface.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         for i in 0..ticks_since_beat.to_integer() {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/interface.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |         for i in 0..beats_since_bar.to_integer() {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/interface.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |         for i in 0..bars_since_loop.to_integer() {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_first_tick`
[INFO] [stderr]    --> src/clock.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn is_first_tick (&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_first_beat`
[INFO] [stderr]    --> src/clock.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn is_first_beat (&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_first_bar`
[INFO] [stderr]    --> src/clock.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn is_first_bar (&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_first_tick`
[INFO] [stderr]    --> src/clock.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn is_first_tick (&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_first_beat`
[INFO] [stderr]    --> src/clock.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn is_first_beat (&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_first_bar`
[INFO] [stderr]    --> src/clock.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn is_first_bar (&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `"docker" "inspect" "5f8d74f24f80ba25f2f977ce4428c784a9acb28b6184067774c9ecc0693e8c96"`
[INFO] running `"docker" "rm" "-f" "5f8d74f24f80ba25f2f977ce4428c784a9acb28b6184067774c9ecc0693e8c96"`
[INFO] [stdout] 5f8d74f24f80ba25f2f977ce4428c784a9acb28b6184067774c9ecc0693e8c96