[INFO] cloning repository https://github.com/mtwtkman/pomo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mtwtkman/pomo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtwtkman%2Fpomo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtwtkman%2Fpomo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 978e072777ca5f19a737e41d8d105850baac3a63
[INFO] checking mtwtkman/pomo against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtwtkman%2Fpomo" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mtwtkman/pomo on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mtwtkman/pomo
[INFO] finished tweaking git repo https://github.com/mtwtkman/pomo
[INFO] tweaked toml for git repo https://github.com/mtwtkman/pomo written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mtwtkman/pomo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1493518e9f8a575f586e18e70a657841a3c0548c06e5582c0d4d81281167ea16
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1493518e9f8a575f586e18e70a657841a3c0548c06e5582c0d4d81281167ea16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1493518e9f8a575f586e18e70a657841a3c0548c06e5582c0d4d81281167ea16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1493518e9f8a575f586e18e70a657841a3c0548c06e5582c0d4d81281167ea16", kill_on_drop: false }`
[INFO] [stdout] 1493518e9f8a575f586e18e70a657841a3c0548c06e5582c0d4d81281167ea16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77705986bca106d8cdaaf4ce6e1f6425e74568b4b05dbb45bd34ce3c26045cb5
[INFO] running `Command { std: "docker" "start" "-a" "77705986bca106d8cdaaf4ce6e1f6425e74568b4b05dbb45bd34ce3c26045cb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.7.1
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking pomo-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let client = start(pomo).await;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Resume`
[INFO] [stdout]    --> src/pomodoro.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     Resume,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pause`
[INFO] [stdout]    --> src/pomodoro.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     Pause,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Abort`
[INFO] [stdout]  --> src/runtime.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Abort,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pause`
[INFO] [stdout]  --> src/runtime.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Pause,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Resume`
[INFO] [stdout]  --> src/runtime.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Resume,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sender`
[INFO] [stdout]   --> src/runtime.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     sender: mpsc::Sender<Signal>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_signal`
[INFO] [stdout]   --> src/runtime.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     async fn send_signal(&self, signal: Signal) {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `abort`
[INFO] [stdout]   --> src/runtime.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub async fn abort(&self) {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pause`
[INFO] [stdout]   --> src/runtime.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub async fn pause(&self) {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resume`
[INFO] [stdout]   --> src/runtime.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub async fn resume(&self) {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]   --> src/runtime.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     tokio::join!(t);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/runtime.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         self.sender.send(signal).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let client = start(pomo).await;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Resume`
[INFO] [stdout]    --> src/pomodoro.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     Resume,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pause`
[INFO] [stdout]    --> src/pomodoro.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     Pause,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Abort`
[INFO] [stdout]  --> src/runtime.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Abort,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pause`
[INFO] [stdout]  --> src/runtime.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Pause,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Resume`
[INFO] [stdout]  --> src/runtime.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Resume,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sender`
[INFO] [stdout]   --> src/runtime.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     sender: mpsc::Sender<Signal>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_signal`
[INFO] [stdout]   --> src/runtime.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     async fn send_signal(&self, signal: Signal) {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `abort`
[INFO] [stdout]   --> src/runtime.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub async fn abort(&self) {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pause`
[INFO] [stdout]   --> src/runtime.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub async fn pause(&self) {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resume`
[INFO] [stdout]   --> src/runtime.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub async fn resume(&self) {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]   --> src/runtime.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     tokio::join!(t);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/runtime.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         self.sender.send(signal).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.55s
[INFO] running `Command { std: "docker" "inspect" "77705986bca106d8cdaaf4ce6e1f6425e74568b4b05dbb45bd34ce3c26045cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77705986bca106d8cdaaf4ce6e1f6425e74568b4b05dbb45bd34ce3c26045cb5", kill_on_drop: false }`
[INFO] [stdout] 77705986bca106d8cdaaf4ce6e1f6425e74568b4b05dbb45bd34ce3c26045cb5