[INFO] cloning repository https://github.com/myuon/txt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/myuon/txt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Ftxt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Ftxt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc9bd4294bf1461675a8bb9bd391d7eeabb435dc
[INFO] checking myuon/txt against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Ftxt" "/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/myuon/txt on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/myuon/txt
[INFO] finished tweaking git repo https://github.com/myuon/txt
[INFO] tweaked toml for git repo https://github.com/myuon/txt written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/myuon/txt 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" "+1bd50d4315eb15970d395b6be5823f9384707693" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v1.5.5
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 366f0af96ebb0dc6eb0182f66d8c84d264a253aa6ba5295191754b2bf1369dad
[INFO] running `Command { std: "docker" "start" "-a" "366f0af96ebb0dc6eb0182f66d8c84d264a253aa6ba5295191754b2bf1369dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "366f0af96ebb0dc6eb0182f66d8c84d264a253aa6ba5295191754b2bf1369dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "366f0af96ebb0dc6eb0182f66d8c84d264a253aa6ba5295191754b2bf1369dad", kill_on_drop: false }`
[INFO] [stdout] 366f0af96ebb0dc6eb0182f66d8c84d264a253aa6ba5295191754b2bf1369dad
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6583100a961b1506d5662d6d123b495a54704b6d129618beed866c3f14186763
[INFO] running `Command { std: "docker" "start" "-a" "6583100a961b1506d5662d6d123b495a54704b6d129618beed866c3f14186763", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking txt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `input_handle` and `tick_handle` are never read
[INFO] [stdout]   --> src/event.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Events {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 17 |     rx: mpsc::Receiver<Event>,
[INFO] [stdout] 18 |     input_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 19 |     ignore_exit_key: Arc<AtomicBool>,
[INFO] [stdout] 20 |     tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `operate` is never used
[INFO] [stdout]    --> src/gap_buffer.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 7   | impl<T: Copy + std::fmt::Debug + Default> GapBuffer<T> {
[INFO] [stdout]     | ------------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn operate(&mut self, index: usize, op: Operation<T>) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operation` is never used
[INFO] [stdout]    --> src/gap_buffer.rs:129:10
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub enum Operation<T> {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_handle` and `tick_handle` are never read
[INFO] [stdout]   --> src/event.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Events {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 17 |     rx: mpsc::Receiver<Event>,
[INFO] [stdout] 18 |     input_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 19 |     ignore_exit_key: Arc<AtomicBool>,
[INFO] [stdout] 20 |     tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "6583100a961b1506d5662d6d123b495a54704b6d129618beed866c3f14186763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6583100a961b1506d5662d6d123b495a54704b6d129618beed866c3f14186763", kill_on_drop: false }`
[INFO] [stdout] 6583100a961b1506d5662d6d123b495a54704b6d129618beed866c3f14186763