[INFO] cloning repository https://github.com/rickwebiii/RustHexEditor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rickwebiii/RustHexEditor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickwebiii%2FRustHexEditor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickwebiii%2FRustHexEditor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4ad148a43c4afb7c817d86c00163eefb9c0a661
[INFO] checking rickwebiii/RustHexEditor against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickwebiii%2FRustHexEditor" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rickwebiii/RustHexEditor on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rickwebiii/RustHexEditor
[INFO] finished tweaking git repo https://github.com/rickwebiii/RustHexEditor
[INFO] tweaked toml for git repo https://github.com/rickwebiii/RustHexEditor written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rickwebiii/RustHexEditor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pdcurses-sys v0.3.0
[INFO] [stderr]   Downloaded pancurses v0.7.0
[INFO] [stderr]   Downloaded ncurses v5.82.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a8a1d16da66610c5429d888c6333cedaf000b7ae7c870b4e8b29e34c099fa63
[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" "8a8a1d16da66610c5429d888c6333cedaf000b7ae7c870b4e8b29e34c099fa63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a8a1d16da66610c5429d888c6333cedaf000b7ae7c870b4e8b29e34c099fa63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8a1d16da66610c5429d888c6333cedaf000b7ae7c870b4e8b29e34c099fa63", kill_on_drop: false }`
[INFO] [stdout] 8a8a1d16da66610c5429d888c6333cedaf000b7ae7c870b4e8b29e34c099fa63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 949d1d0f95c713c36dafa00cb05a9418113bde0d44860e67638cb9068ef83af6
[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" "949d1d0f95c713c36dafa00cb05a9418113bde0d44860e67638cb9068ef83af6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.16
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking ncurses v5.82.0
[INFO] [stderr]     Checking pancurses v0.7.0
[INFO] [stderr]     Checking hex_edit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `window_dim`
[INFO] [stdout]   --> src/hex_edit/hex_editor_view.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let window_dim = self._terminal_window.get_max_yx();     
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_dim`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_cols`
[INFO] [stdout]    --> src/hex_edit/hex_editor_view.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let window_cols = self._terminal_window.get_max_x();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_cols`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_dim`
[INFO] [stdout]    --> src/hex_edit/hex_editor_view.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let window_dim = window.get_max_yx();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_dim`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw_control_bar`
[INFO] [stdout]    --> src/hex_edit/hex_editor_view.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn draw_control_bar(window: &Window) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_dim`
[INFO] [stdout]   --> src/hex_edit/hex_editor_view.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let window_dim = self._terminal_window.get_max_yx();     
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_dim`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_cols`
[INFO] [stdout]    --> src/hex_edit/hex_editor_view.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let window_cols = self._terminal_window.get_max_x();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_cols`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_dim`
[INFO] [stdout]    --> src/hex_edit/hex_editor_view.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let window_dim = window.get_max_yx();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_dim`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw_control_bar`
[INFO] [stdout]    --> src/hex_edit/hex_editor_view.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn draw_control_bar(window: &Window) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "949d1d0f95c713c36dafa00cb05a9418113bde0d44860e67638cb9068ef83af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949d1d0f95c713c36dafa00cb05a9418113bde0d44860e67638cb9068ef83af6", kill_on_drop: false }`
[INFO] [stdout] 949d1d0f95c713c36dafa00cb05a9418113bde0d44860e67638cb9068ef83af6