[INFO] updating cached repository https://github.com/Roger/tui-grep
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5488abcc2176bc05337bbc5c3daca4220d3eb547
[INFO] checking Roger/tui-grep against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoger%2Ftui-grep" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Roger/tui-grep on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Roger/tui-grep
[INFO] finished tweaking git repo https://github.com/Roger/tui-grep
[INFO] tweaked toml for git repo https://github.com/Roger/tui-grep written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Roger/tui-grep already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 808a6c538fde1f9e792cc3fb5c3cbaf6c301bd1ae898bbe461897bb0d38a6b88
[INFO] running `"docker" "start" "-a" "808a6c538fde1f9e792cc3fb5c3cbaf6c301bd1ae898bbe461897bb0d38a6b88"`
[INFO] [stderr]     Checking fixed-vec-deque v0.1.8
[INFO] [stderr]     Checking cansi v2.1.0
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking tui v0.6.2
[INFO] [stderr]     Checking tui-grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: enum is never used: `Event`
[INFO] [stderr]  --> src/event.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub enum Event {
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Events`
[INFO] [stderr]   --> src/event.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Events {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/event.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn new() -> Events {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_config`
[INFO] [stderr]   --> src/event.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn with_config(config: Config) -> Events {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next`
[INFO] [stderr]    --> src/event.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn next(&self) -> Result<Event, mpsc::RecvError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `input_handle`
[INFO] [stderr]   --> src/event_cross.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     input_handle: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `keyboard_handle`
[INFO] [stderr]   --> src/event_cross.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     keyboard_handle: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Event`
[INFO] [stderr]  --> src/event.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub enum Event {
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Events`
[INFO] [stderr]   --> src/event.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Events {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/event.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn new() -> Events {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_config`
[INFO] [stderr]   --> src/event.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn with_config(config: Config) -> Events {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next`
[INFO] [stderr]    --> src/event.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn next(&self) -> Result<Event, mpsc::RecvError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `input_handle`
[INFO] [stderr]   --> src/event_cross.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     input_handle: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `keyboard_handle`
[INFO] [stderr]   --> src/event_cross.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     keyboard_handle: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `"docker" "inspect" "808a6c538fde1f9e792cc3fb5c3cbaf6c301bd1ae898bbe461897bb0d38a6b88"`
[INFO] running `"docker" "rm" "-f" "808a6c538fde1f9e792cc3fb5c3cbaf6c301bd1ae898bbe461897bb0d38a6b88"`
[INFO] [stdout] 808a6c538fde1f9e792cc3fb5c3cbaf6c301bd1ae898bbe461897bb0d38a6b88