[INFO] cloning repository https://github.com/ngynkvn/tidy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ngynkvn/tidy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Ftidy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Ftidy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5873dd647734fb5107ef8a7129d1e4aab13c1230
[INFO] checking ngynkvn/tidy against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Ftidy" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ngynkvn/tidy on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ngynkvn/tidy
[INFO] finished tweaking git repo https://github.com/ngynkvn/tidy
[INFO] tweaked toml for git repo https://github.com/ngynkvn/tidy written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ngynkvn/tidy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 33e4199eeeb7ceabc085e0e7b7120a8672627373d3123461d6c47944a4563b49
[INFO] running `Command { std: "docker" "start" "-a" "33e4199eeeb7ceabc085e0e7b7120a8672627373d3123461d6c47944a4563b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33e4199eeeb7ceabc085e0e7b7120a8672627373d3123461d6c47944a4563b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e4199eeeb7ceabc085e0e7b7120a8672627373d3123461d6c47944a4563b49", kill_on_drop: false }`
[INFO] [stdout] 33e4199eeeb7ceabc085e0e7b7120a8672627373d3123461d6c47944a4563b49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30197d78412a8905979b514840e4eb1958d17702670a1fad0f649560215c3b54
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "30197d78412a8905979b514840e4eb1958d17702670a1fad0f649560215c3b54", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling libsqlite3-sys v0.22.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tui v0.15.0
[INFO] [stderr]     Checking hashlink v0.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking rusqlite v0.25.3
[INFO] [stderr]     Checking tidy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `terminal`
[INFO] [stdout]   --> src/ctx.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     terminal,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Alignment`, `Cell`, `Row`, `Spans`, `Table`, `Tabs`, `Terminal`
[INFO] [stdout]   --> src/ctx.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     layout::{Alignment, Constraint, Direction, Layout},
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 17 |     style::{Color, Modifier, Style},
[INFO] [stdout] 18 |     text::{Span, Spans},
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 19 |     widgets::{
[INFO] [stdout] 20 |         Block, BorderType, Borders, Cell, List, ListItem, ListState, Paragraph, Row, Table, Tabs,
[INFO] [stdout]    |                                     ^^^^                                        ^^^  ^^^^^  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     Terminal,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/ctx.rs:177:24
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn send(&mut self, msg: Msg) {}
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `di`
[INFO] [stdout]    --> src/ctx.rs:185:79
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn render(&mut self, rect: &mut tui::Frame<CrosstermBackend<io::Stdout>>, di: DirInfo) {
[INFO] [stdout]     |                                                                               ^^ help: if this is intentional, prefix it with an underscore: `_di`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `di`
[INFO] [stdout]    --> src/ctx.rs:210:45
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn handle_key(&mut self, key: KeyEvent, di: DirInfo) -> Option<Signal> {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_di`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 self.sender.send(*s1);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 self.sender.send(*s2);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 self.sender.send(msg);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `terminal`
[INFO] [stdout]   --> src/ctx.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     terminal,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Alignment`, `Cell`, `Row`, `Spans`, `Table`, `Tabs`, `Terminal`
[INFO] [stdout]   --> src/ctx.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     layout::{Alignment, Constraint, Direction, Layout},
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 17 |     style::{Color, Modifier, Style},
[INFO] [stdout] 18 |     text::{Span, Spans},
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 19 |     widgets::{
[INFO] [stdout] 20 |         Block, BorderType, Borders, Cell, List, ListItem, ListState, Paragraph, Row, Table, Tabs,
[INFO] [stdout]    |                                     ^^^^                                        ^^^  ^^^^^  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     Terminal,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/ctx.rs:177:24
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn send(&mut self, msg: Msg) {}
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `di`
[INFO] [stdout]    --> src/ctx.rs:185:79
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn render(&mut self, rect: &mut tui::Frame<CrosstermBackend<io::Stdout>>, di: DirInfo) {
[INFO] [stdout]     |                                                                               ^^ help: if this is intentional, prefix it with an underscore: `_di`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `di`
[INFO] [stdout]    --> src/ctx.rs:210:45
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn handle_key(&mut self, key: KeyEvent, di: DirInfo) -> Option<Signal> {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_di`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 self.sender.send(*s1);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 self.sender.send(*s2);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 self.sender.send(msg);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.15s
[INFO] running `Command { std: "docker" "inspect" "30197d78412a8905979b514840e4eb1958d17702670a1fad0f649560215c3b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30197d78412a8905979b514840e4eb1958d17702670a1fad0f649560215c3b54", kill_on_drop: false }`
[INFO] [stdout] 30197d78412a8905979b514840e4eb1958d17702670a1fad0f649560215c3b54