[INFO] cloning repository https://github.com/Roger/tui-grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Roger/tui-grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoger%2Ftui-grep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoger%2Ftui-grep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5488abcc2176bc05337bbc5c3daca4220d3eb547
[INFO] building Roger/tui-grep 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%2FRoger%2Ftui-grep" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Roger/tui-grep 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/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-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Roger/tui-grep 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cansi v2.1.0
[INFO] [stderr]   Downloaded fixed-vec-deque v0.1.8
[INFO] [stderr]   Downloaded tui v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6a27e2ddc9edb20f23ebe9fc1fb6479c2de79a6efd4bb908d25b14b3c980aa43
[INFO] running `Command { std: "docker" "start" "-a" "6a27e2ddc9edb20f23ebe9fc1fb6479c2de79a6efd4bb908d25b14b3c980aa43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a27e2ddc9edb20f23ebe9fc1fb6479c2de79a6efd4bb908d25b14b3c980aa43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a27e2ddc9edb20f23ebe9fc1fb6479c2de79a6efd4bb908d25b14b3c980aa43", kill_on_drop: false }`
[INFO] [stdout] 6a27e2ddc9edb20f23ebe9fc1fb6479c2de79a6efd4bb908d25b14b3c980aa43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ad7282a723b4eb8cf8e4c492aec86e5d924ce68d96dc920040303ae1527db0d2
[INFO] running `Command { std: "docker" "start" "-a" "ad7282a723b4eb8cf8e4c492aec86e5d924ce68d96dc920040303ae1527db0d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling fixed-vec-deque v0.1.8
[INFO] [stderr]    Compiling cansi v2.1.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling tui v0.6.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling tui-grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `highlight` and `highlight_re` are never read
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct State {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     highlight: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 34 |     highlight_re: Option<Regex>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]  --> src/event.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Event {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Events` is never constructed
[INFO] [stdout]   --> src/event.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Events {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `exit_key` and `tick_rate` are never read
[INFO] [stdout]   --> src/event.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 27 |     pub exit_key: Key,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 28 |     pub tick_rate: Duration,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `with_config`, and `next` are never used
[INFO] [stdout]    --> src/event.rs:41:12
[INFO] [stdout]     |
[INFO] [stdout] 40  | impl Events {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 41  |     pub fn new() -> Events {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45  |     pub fn with_config(config: Config) -> Events {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn next(&self) -> Result<Event, mpsc::RecvError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_handle` and `keyboard_handle` are never read
[INFO] [stdout]   --> src/event_cross.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Events {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     input_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 24 |     keyboard_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.65s
[INFO] running `Command { std: "docker" "inspect" "ad7282a723b4eb8cf8e4c492aec86e5d924ce68d96dc920040303ae1527db0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7282a723b4eb8cf8e4c492aec86e5d924ce68d96dc920040303ae1527db0d2", kill_on_drop: false }`
[INFO] [stdout] ad7282a723b4eb8cf8e4c492aec86e5d924ce68d96dc920040303ae1527db0d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c1116573e1999d14d94d45f1e7560d2b2d3912940ffb5ddff0ec1fc2fb11d425
[INFO] running `Command { std: "docker" "start" "-a" "c1116573e1999d14d94d45f1e7560d2b2d3912940ffb5ddff0ec1fc2fb11d425", kill_on_drop: false }`
[INFO] [stderr]    Compiling tui-grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `highlight` and `highlight_re` are never read
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct State {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     highlight: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 34 |     highlight_re: Option<Regex>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]  --> src/event.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Event {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Events` is never constructed
[INFO] [stdout]   --> src/event.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Events {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `exit_key` and `tick_rate` are never read
[INFO] [stdout]   --> src/event.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 27 |     pub exit_key: Key,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 28 |     pub tick_rate: Duration,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `with_config`, and `next` are never used
[INFO] [stdout]    --> src/event.rs:41:12
[INFO] [stdout]     |
[INFO] [stdout] 40  | impl Events {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 41  |     pub fn new() -> Events {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45  |     pub fn with_config(config: Config) -> Events {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn next(&self) -> Result<Event, mpsc::RecvError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_handle` and `keyboard_handle` are never read
[INFO] [stdout]   --> src/event_cross.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Events {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     input_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 24 |     keyboard_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "c1116573e1999d14d94d45f1e7560d2b2d3912940ffb5ddff0ec1fc2fb11d425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1116573e1999d14d94d45f1e7560d2b2d3912940ffb5ddff0ec1fc2fb11d425", kill_on_drop: false }`
[INFO] [stdout] c1116573e1999d14d94d45f1e7560d2b2d3912940ffb5ddff0ec1fc2fb11d425