[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] building myuon/txt against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Ftxt" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/myuon/txt on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-4-tc1/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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10b249aab21b2d3d18515d818c4f80ae6897c7505c87f3694066c97deccf1a60
[INFO] running `Command { std: "docker" "start" "-a" "10b249aab21b2d3d18515d818c4f80ae6897c7505c87f3694066c97deccf1a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10b249aab21b2d3d18515d818c4f80ae6897c7505c87f3694066c97deccf1a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b249aab21b2d3d18515d818c4f80ae6897c7505c87f3694066c97deccf1a60", kill_on_drop: false }`
[INFO] [stdout] 10b249aab21b2d3d18515d818c4f80ae6897c7505c87f3694066c97deccf1a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c82fc3fb65978f7d6b0968d301f68903fa77e3ba6b84f37eb82689d78b7dab6
[INFO] running `Command { std: "docker" "start" "-a" "6c82fc3fb65978f7d6b0968d301f68903fa77e3ba6b84f37eb82689d78b7dab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "6c82fc3fb65978f7d6b0968d301f68903fa77e3ba6b84f37eb82689d78b7dab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c82fc3fb65978f7d6b0968d301f68903fa77e3ba6b84f37eb82689d78b7dab6", kill_on_drop: false }`
[INFO] [stdout] 6c82fc3fb65978f7d6b0968d301f68903fa77e3ba6b84f37eb82689d78b7dab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b16085e4d73fbac51077fcf13bdef1ea02bddf17da824470406857e19b8b499
[INFO] running `Command { std: "docker" "start" "-a" "9b16085e4d73fbac51077fcf13bdef1ea02bddf17da824470406857e19b8b499", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "9b16085e4d73fbac51077fcf13bdef1ea02bddf17da824470406857e19b8b499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b16085e4d73fbac51077fcf13bdef1ea02bddf17da824470406857e19b8b499", kill_on_drop: false }`
[INFO] [stdout] 9b16085e4d73fbac51077fcf13bdef1ea02bddf17da824470406857e19b8b499