[INFO] cloning repository https://github.com/heyrict/exhaust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heyrict/exhaust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyrict%2Fexhaust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyrict%2Fexhaust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b47218848a80910f0ac31b13fcd4581606eb34a6
[INFO] checking heyrict/exhaust against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyrict%2Fexhaust" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heyrict/exhaust on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/heyrict/exhaust
[INFO] finished tweaking git repo https://github.com/heyrict/exhaust
[INFO] tweaked toml for git repo https://github.com/heyrict/exhaust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/heyrict/exhaust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] 15702e5b07960dd5f95dfada2ed3ae2c0ac7b772d82a0e1e6569ef98be14cedd
[INFO] running `"docker" "start" "-a" "15702e5b07960dd5f95dfada2ed3ae2c0ac7b772d82a0e1e6569ef98be14cedd"`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking crossterm v0.14.1
[INFO] [stderr]     Checking tui v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking exhaust v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     execute!(stdout, EnterAlternateScreen)?;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 execute!(terminal.backend_mut(), LeaveAlternateScreen)?;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     execute!(stdout, EnterAlternateScreen)?;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 execute!(terminal.backend_mut(), LeaveAlternateScreen)?;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Done`
[INFO] [stderr]   --> src/app.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Done,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_index`
[INFO] [stderr]    --> src/app.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn set_index(&mut self, index: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `num_selections`
[INFO] [stderr]    --> src/app.rs:229:5
[INFO] [stderr]     |
[INFO] [stderr] 229 |     pub fn num_selections(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Set`
[INFO] [stderr]   --> src/event.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Set(usize),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `input_handle`
[INFO] [stderr]   --> src/event.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     input_handle: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `block`
[INFO] [stderr]   --> src/toggle_buttons.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn block(mut self, block: Block<'a>) -> ToggleButtons<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Done`
[INFO] [stderr]   --> src/app.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Done,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_index`
[INFO] [stderr]    --> src/app.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn set_index(&mut self, index: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `num_selections`
[INFO] [stderr]    --> src/app.rs:229:5
[INFO] [stderr]     |
[INFO] [stderr] 229 |     pub fn num_selections(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Set`
[INFO] [stderr]   --> src/event.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Set(usize),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `input_handle`
[INFO] [stderr]   --> src/event.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     input_handle: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `block`
[INFO] [stderr]   --> src/toggle_buttons.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn block(mut self, block: Block<'a>) -> ToggleButtons<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.65s
[INFO] running `"docker" "inspect" "15702e5b07960dd5f95dfada2ed3ae2c0ac7b772d82a0e1e6569ef98be14cedd"`
[INFO] running `"docker" "rm" "-f" "15702e5b07960dd5f95dfada2ed3ae2c0ac7b772d82a0e1e6569ef98be14cedd"`
[INFO] [stdout] 15702e5b07960dd5f95dfada2ed3ae2c0ac7b772d82a0e1e6569ef98be14cedd