[INFO] cloning repository https://github.com/mike239x/shall
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mike239x/shall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmike239x%2Fshall"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmike239x%2Fshall'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a29bc17ab4a56ad736034a6e42a3112744aba2f1
[INFO] checking mike239x/shall against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmike239x%2Fshall" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mike239x/shall on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mike239x/shall
[INFO] finished tweaking git repo https://github.com/mike239x/shall
[INFO] tweaked toml for git repo https://github.com/mike239x/shall written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mike239x/shall already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67f6492bbcd1ec1ffd45d79967de9006d7e514e6c2dc9e84337f0443a4395e27
[INFO] running `"docker" "start" "-a" "67f6492bbcd1ec1ffd45d79967de9006d7e514e6c2dc9e84337f0443a4395e27"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking tui v0.9.5
[INFO] [stderr]     Checking shall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Clear`, `Widget`
[INFO] [stderr]   --> src/main.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 | use tui::widgets::{Widget, Block, Borders, Clear};
[INFO] [stderr]    |                    ^^^^^^                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rect`
[INFO] [stderr]   --> src/main.rs:13:50
[INFO] [stderr]    |
[INFO] [stderr] 13 | use tui::layout::{Layout, Constraint, Direction, Rect};
[INFO] [stderr]    |                                                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Clear`, `Widget`
[INFO] [stderr]   --> src/main.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 | use tui::widgets::{Widget, Block, Borders, Clear};
[INFO] [stderr]    |                    ^^^^^^                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rect`
[INFO] [stderr]   --> src/main.rs:13:50
[INFO] [stderr]    |
[INFO] [stderr] 13 | use tui::layout::{Layout, Constraint, Direction, Rect};
[INFO] [stderr]    |                                                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |             Key::Char(c) => {
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |             Key::Char(c) => {
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 | /         terminal.draw(|mut f| {
[INFO] [stderr] 32 | |             let chunks = Layout::default()
[INFO] [stderr] 33 | |                 .direction(Direction::Vertical)
[INFO] [stderr] 34 | |                 .constraints(
[INFO] [stderr] ...  |
[INFO] [stderr] 64 | |             f.render_widget(block, powerline);
[INFO] [stderr] 65 | |         });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 | /         terminal.draw(|mut f| {
[INFO] [stderr] 32 | |             let chunks = Layout::default()
[INFO] [stderr] 33 | |                 .direction(Direction::Vertical)
[INFO] [stderr] 34 | |                 .constraints(
[INFO] [stderr] ...  |
[INFO] [stderr] 64 | |             f.render_widget(block, powerline);
[INFO] [stderr] 65 | |         });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
[INFO] running `"docker" "inspect" "67f6492bbcd1ec1ffd45d79967de9006d7e514e6c2dc9e84337f0443a4395e27"`
[INFO] running `"docker" "rm" "-f" "67f6492bbcd1ec1ffd45d79967de9006d7e514e6c2dc9e84337f0443a4395e27"`
[INFO] [stdout] 67f6492bbcd1ec1ffd45d79967de9006d7e514e6c2dc9e84337f0443a4395e27