[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 master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickwebiii%2FRustHexEditor" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rickwebiii/RustHexEditor on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "+2ad5292aea6328113b55968b4322528d48261316" "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] 38bd2f2d917c082ed60cb596e75de53b05f30e923eaa56b6ee3b516c95931e1c
[INFO] running `Command { std: "docker" "start" "-a" "38bd2f2d917c082ed60cb596e75de53b05f30e923eaa56b6ee3b516c95931e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38bd2f2d917c082ed60cb596e75de53b05f30e923eaa56b6ee3b516c95931e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38bd2f2d917c082ed60cb596e75de53b05f30e923eaa56b6ee3b516c95931e1c", kill_on_drop: false }`
[INFO] [stdout] 38bd2f2d917c082ed60cb596e75de53b05f30e923eaa56b6ee3b516c95931e1c
[INFO] running `Command { std: "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" "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" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd11ed7998b34c53be97fd5fc9421caf6e77c550b40dfd32d8a585b121a113dd
[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" "fd11ed7998b34c53be97fd5fc9421caf6e77c550b40dfd32d8a585b121a113dd", 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: 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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "fd11ed7998b34c53be97fd5fc9421caf6e77c550b40dfd32d8a585b121a113dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd11ed7998b34c53be97fd5fc9421caf6e77c550b40dfd32d8a585b121a113dd", kill_on_drop: false }`
[INFO] [stdout] fd11ed7998b34c53be97fd5fc9421caf6e77c550b40dfd32d8a585b121a113dd