[INFO] cloning repository https://github.com/mike239x/shall
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmike239x%2Fshall'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a29bc17ab4a56ad736034a6e42a3112744aba2f1
[INFO] checking mike239x/shall against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmike239x%2Fshall" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mike239x/shall on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mike239x/shall already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e879561a2f50ae83d48be81f1ffad293a77fec1216f14c125df0b75737c62e88
[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" "e879561a2f50ae83d48be81f1ffad293a77fec1216f14c125df0b75737c62e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e879561a2f50ae83d48be81f1ffad293a77fec1216f14c125df0b75737c62e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e879561a2f50ae83d48be81f1ffad293a77fec1216f14c125df0b75737c62e88", kill_on_drop: false }`
[INFO] [stdout] e879561a2f50ae83d48be81f1ffad293a77fec1216f14c125df0b75737c62e88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 246ccab180e3816751f9c5f679f095ffb2593e3b0d1e03c86e69b9518d5db1bf
[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" "246ccab180e3816751f9c5f679f095ffb2593e3b0d1e03c86e69b9518d5db1bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking tui v0.9.5
[INFO] [stderr]     Checking shall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Clear`, `Widget`
[INFO] [stdout]   --> src/main.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tui::widgets::{Widget, Block, Borders, Clear};
[INFO] [stdout]    |                    ^^^^^^                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rect`
[INFO] [stdout]   --> src/main.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tui::layout::{Layout, Constraint, Direction, Rect};
[INFO] [stdout]    |                                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Clear`, `Widget`
[INFO] [stdout]   --> src/main.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tui::widgets::{Widget, Block, Borders, Clear};
[INFO] [stdout]    |                    ^^^^^^                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rect`
[INFO] [stdout]   --> src/main.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tui::layout::{Layout, Constraint, Direction, Rect};
[INFO] [stdout]    |                                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Key::Char(c) => {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Key::Char(c) => {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         terminal.draw(|mut f| {
[INFO] [stdout] 32 | |             let chunks = Layout::default()
[INFO] [stdout] 33 | |                 .direction(Direction::Vertical)
[INFO] [stdout] 34 | |                 .constraints(
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |             f.render_widget(block, powerline);
[INFO] [stdout] 65 | |         });
[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 `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         terminal.draw(|mut f| {
[INFO] [stdout] 32 | |             let chunks = Layout::default()
[INFO] [stdout] 33 | |                 .direction(Direction::Vertical)
[INFO] [stdout] 34 | |                 .constraints(
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |             f.render_widget(block, powerline);
[INFO] [stdout] 65 | |         });
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "246ccab180e3816751f9c5f679f095ffb2593e3b0d1e03c86e69b9518d5db1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246ccab180e3816751f9c5f679f095ffb2593e3b0d1e03c86e69b9518d5db1bf", kill_on_drop: false }`
[INFO] [stdout] 246ccab180e3816751f9c5f679f095ffb2593e3b0d1e03c86e69b9518d5db1bf