[INFO] cloning repository https://github.com/RedDocMD/cp-tui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RedDocMD/cp-tui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedDocMD%2Fcp-tui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedDocMD%2Fcp-tui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84ea1149eda2126da807343b4b4a71f8f3909a18
[INFO] checking RedDocMD/cp-tui against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedDocMD%2Fcp-tui" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RedDocMD/cp-tui on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RedDocMD/cp-tui
[INFO] finished tweaking git repo https://github.com/RedDocMD/cp-tui
[INFO] tweaked toml for git repo https://github.com/RedDocMD/cp-tui written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/RedDocMD/cp-tui 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tui v0.9.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a124f264c67a520272e1edba4758d80dcaa3f7604632161e4c9829693e85f0e0
[INFO] running `Command { std: "docker" "start" "-a" "a124f264c67a520272e1edba4758d80dcaa3f7604632161e4c9829693e85f0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a124f264c67a520272e1edba4758d80dcaa3f7604632161e4c9829693e85f0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a124f264c67a520272e1edba4758d80dcaa3f7604632161e4c9829693e85f0e0", kill_on_drop: false }`
[INFO] [stdout] a124f264c67a520272e1edba4758d80dcaa3f7604632161e4c9829693e85f0e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ed04ce4261c6e5a6b3be670600341f8faff1d5df3dd9f762ae3149656fc8302
[INFO] running `Command { std: "docker" "start" "-a" "2ed04ce4261c6e5a6b3be670600341f8faff1d5df3dd9f762ae3149656fc8302", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking tui v0.9.5
[INFO] [stderr]     Checking cp-tui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `input_handle` and `tick_handle` are never read
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub struct Events {
[INFO] [stdout]    |                ------ fields in this struct
[INFO] [stdout] 19 |         rx: mpsc::Receiver<Event<Key>>,
[INFO] [stdout] 20 |         input_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 21 |         ignore_exit_key: Arc<AtomicBool>,
[INFO] [stdout] 22 |         tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_handle` and `tick_handle` are never read
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub struct Events {
[INFO] [stdout]    |                ------ fields in this struct
[INFO] [stdout] 19 |         rx: mpsc::Receiver<Event<Key>>,
[INFO] [stdout] 20 |         input_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 21 |         ignore_exit_key: Arc<AtomicBool>,
[INFO] [stdout] 22 |         tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "2ed04ce4261c6e5a6b3be670600341f8faff1d5df3dd9f762ae3149656fc8302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed04ce4261c6e5a6b3be670600341f8faff1d5df3dd9f762ae3149656fc8302", kill_on_drop: false }`
[INFO] [stdout] 2ed04ce4261c6e5a6b3be670600341f8faff1d5df3dd9f762ae3149656fc8302
[INFO] checking RedDocMD/cp-tui against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedDocMD%2Fcp-tui" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RedDocMD/cp-tui on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RedDocMD/cp-tui
[INFO] finished tweaking git repo https://github.com/RedDocMD/cp-tui
[INFO] tweaked toml for git repo https://github.com/RedDocMD/cp-tui written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/RedDocMD/cp-tui 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a44b86545ac1ec50fc19a4a824cc2ff4392c4e9f213209f4931d32367ac820a6
[INFO] running `Command { std: "docker" "start" "-a" "a44b86545ac1ec50fc19a4a824cc2ff4392c4e9f213209f4931d32367ac820a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a44b86545ac1ec50fc19a4a824cc2ff4392c4e9f213209f4931d32367ac820a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44b86545ac1ec50fc19a4a824cc2ff4392c4e9f213209f4931d32367ac820a6", kill_on_drop: false }`
[INFO] [stdout] a44b86545ac1ec50fc19a4a824cc2ff4392c4e9f213209f4931d32367ac820a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c0b94a32f9c482a2720868a99b18f17af29da1658a48f6bfeea1f0e5706b343
[INFO] running `Command { std: "docker" "start" "-a" "2c0b94a32f9c482a2720868a99b18f17af29da1658a48f6bfeea1f0e5706b343", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking tui v0.9.5
[INFO] [stderr]     Checking cp-tui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `input_handle` and `tick_handle` are never read
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub struct Events {
[INFO] [stdout]    |                ------ fields in this struct
[INFO] [stdout] 19 |         rx: mpsc::Receiver<Event<Key>>,
[INFO] [stdout] 20 |         input_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 21 |         ignore_exit_key: Arc<AtomicBool>,
[INFO] [stdout] 22 |         tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_handle` and `tick_handle` are never read
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub struct Events {
[INFO] [stdout]    |                ------ fields in this struct
[INFO] [stdout] 19 |         rx: mpsc::Receiver<Event<Key>>,
[INFO] [stdout] 20 |         input_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 21 |         ignore_exit_key: Arc<AtomicBool>,
[INFO] [stdout] 22 |         tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "2c0b94a32f9c482a2720868a99b18f17af29da1658a48f6bfeea1f0e5706b343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0b94a32f9c482a2720868a99b18f17af29da1658a48f6bfeea1f0e5706b343", kill_on_drop: false }`
[INFO] [stdout] 2c0b94a32f9c482a2720868a99b18f17af29da1658a48f6bfeea1f0e5706b343