[INFO] cloning repository https://github.com/SamuelMcGowan/text_editor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SamuelMcGowan/text_editor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelMcGowan%2Ftext_editor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelMcGowan%2Ftext_editor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 076729dd138b6af7dcec0f55d09f7b3c97b89e88
[INFO] checking SamuelMcGowan/text_editor/076729dd138b6af7dcec0f55d09f7b3c97b89e88 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelMcGowan%2Ftext_editor" "/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/SamuelMcGowan/text_editor on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SamuelMcGowan/text_editor
[INFO] finished tweaking git repo https://github.com/SamuelMcGowan/text_editor
[INFO] tweaked toml for git repo https://github.com/SamuelMcGowan/text_editor written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SamuelMcGowan/text_editor 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded str_indices v0.4.1
[INFO] [stderr]   Downloaded ropey v1.6.0
[INFO] [stderr]   Downloaded fern v0.6.2
[INFO] [stderr]   Downloaded libc v0.2.140
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54e921b29e1dac2c0a12b0b5aba68470e827ccef8d75d57db35f4c3c37c84a7d
[INFO] running `Command { std: "docker" "start" "-a" "54e921b29e1dac2c0a12b0b5aba68470e827ccef8d75d57db35f4c3c37c84a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54e921b29e1dac2c0a12b0b5aba68470e827ccef8d75d57db35f4c3c37c84a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e921b29e1dac2c0a12b0b5aba68470e827ccef8d75d57db35f4c3c37c84a7d", kill_on_drop: false }`
[INFO] [stdout] 54e921b29e1dac2c0a12b0b5aba68470e827ccef8d75d57db35f4c3c37c84a7d
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fd4ca0e66425176e2adb4cfb03ac9da8a10ed6e0f7b8366da7ccdfc07a4837f
[INFO] running `Command { std: "docker" "start" "-a" "9fd4ca0e66425176e2adb4cfb03ac9da8a10ed6e0f7b8366da7ccdfc07a4837f", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking str_indices v0.4.1
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking ropey v1.6.0
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking text_editor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `char` is never used
[INFO] [stdout]   --> src/buffer.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Cell {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 12 |     fn char(c: char) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]   --> src/editor/text_field.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl TextField {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 76 |     pub fn value(&self) -> String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/editor/vsplit.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl VSplit {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 21 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_str` is never used
[INFO] [stdout]   --> src/term/ansi_builder.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl AnsiBuilder {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 31 |     pub fn write_str(&mut self, s: &str) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]   --> src/editor/text_field.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl TextField {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 76 |     pub fn value(&self) -> String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/editor/vsplit.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl VSplit {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 21 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "9fd4ca0e66425176e2adb4cfb03ac9da8a10ed6e0f7b8366da7ccdfc07a4837f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd4ca0e66425176e2adb4cfb03ac9da8a10ed6e0f7b8366da7ccdfc07a4837f", kill_on_drop: false }`
[INFO] [stdout] 9fd4ca0e66425176e2adb4cfb03ac9da8a10ed6e0f7b8366da7ccdfc07a4837f