[INFO] cloning repository https://github.com/foxfriends/greg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foxfriends/greg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxfriends%2Fgreg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxfriends%2Fgreg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39125c9bb5242805a7382da6a12aee1bea51e63e
[INFO] checking foxfriends/greg against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxfriends%2Fgreg" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foxfriends/greg on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/foxfriends/greg
[INFO] finished tweaking git repo https://github.com/foxfriends/greg
[INFO] tweaked toml for git repo https://github.com/foxfriends/greg written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/foxfriends/greg 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-mid v0.5.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.2
[INFO] [stderr]   Downloaded typenum v1.12.0
[INFO] [stderr]   Downloaded paw-attributes v1.0.2
[INFO] [stderr]   Downloaded structopt v0.3.14
[INFO] [stderr]   Downloaded paw-raw v1.0.0
[INFO] [stderr]   Downloaded winreg v0.5.1
[INFO] [stderr]   Downloaded ncurses v5.99.0
[INFO] [stderr]   Downloaded ryu v1.0.4
[INFO] [stderr]   Downloaded pancurses v0.16.1
[INFO] [stderr]   Downloaded serde v1.0.110
[INFO] [stderr]   Downloaded paw v1.0.0
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded proc-macro-error v1.0.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.13
[INFO] [stderr]   Downloaded structopt-derive v0.4.7
[INFO] [stderr]   Downloaded syn v1.0.22
[INFO] [stderr]   Downloaded pdcurses-sys v0.7.1
[INFO] [stderr]   Downloaded libc v0.2.70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba5deb717ac16dca26aacf7e7744b8d9ef06abe1a310de54ea7b1efda40ae821
[INFO] running `Command { std: "docker" "start" "-a" "ba5deb717ac16dca26aacf7e7744b8d9ef06abe1a310de54ea7b1efda40ae821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba5deb717ac16dca26aacf7e7744b8d9ef06abe1a310de54ea7b1efda40ae821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5deb717ac16dca26aacf7e7744b8d9ef06abe1a310de54ea7b1efda40ae821", kill_on_drop: false }`
[INFO] [stdout] ba5deb717ac16dca26aacf7e7744b8d9ef06abe1a310de54ea7b1efda40ae821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13c8dabdf8256a251fe667bc1300ec6553c20d9ec8d9d186020158e37b02cfdc
[INFO] running `Command { std: "docker" "start" "-a" "13c8dabdf8256a251fe667bc1300ec6553c20d9ec8d9d186020158e37b02cfdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling cc v1.0.53
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking paw-raw v1.0.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking pancurses v0.16.1
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]     Checking paw v1.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking greg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]   --> src/main.rs:99:35
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn normal_mode(state: &mut State, window: &Window, input: Input) {
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/main.rs:116:33
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn view_mode(state: &mut State, window: &Window, input: Input) {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/main.rs:130:35
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn insert_mode(state: &mut State, window: &Window, input: Input) {
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/main.rs:141:36
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn command_mode(state: &mut State, window: &Window, input: Input) -> bool {
[INFO] [stdout]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]   --> src/main.rs:99:35
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn normal_mode(state: &mut State, window: &Window, input: Input) {
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/main.rs:116:33
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn view_mode(state: &mut State, window: &Window, input: Input) {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/main.rs:130:35
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn insert_mode(state: &mut State, window: &Window, input: Input) {
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `true_value` and `false_value` are never read
[INFO] [stdout]    --> src/args.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub struct Args {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 198 |     pub true_value: String,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |     pub false_value: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Args` 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: unused variable: `window`
[INFO] [stdout]    --> src/main.rs:141:36
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn command_mode(state: &mut State, window: &Window, input: Input) -> bool {
[INFO] [stdout]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `undo_stack` is never read
[INFO] [stdout]   --> src/state.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct State<'d> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub undo_stack: Vec<Matrix<Cow<'d, str>>>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `goto_line` is never used
[INFO] [stdout]   --> src/state.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl State<'_> {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn goto_line(&mut self, line: usize) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `true_value` and `false_value` are never read
[INFO] [stdout]    --> src/args.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub struct Args {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 198 |     pub true_value: String,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |     pub false_value: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Args` 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: field `undo_stack` is never read
[INFO] [stdout]   --> src/state.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct State<'d> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub undo_stack: Vec<Matrix<Cow<'d, str>>>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `goto_line` is never used
[INFO] [stdout]   --> src/state.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl State<'_> {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn goto_line(&mut self, line: usize) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "13c8dabdf8256a251fe667bc1300ec6553c20d9ec8d9d186020158e37b02cfdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c8dabdf8256a251fe667bc1300ec6553c20d9ec8d9d186020158e37b02cfdc", kill_on_drop: false }`
[INFO] [stdout] 13c8dabdf8256a251fe667bc1300ec6553c20d9ec8d9d186020158e37b02cfdc