[INFO] cloning repository https://github.com/jasiek/rpncalc-firmware
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jasiek/rpncalc-firmware" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasiek%2Frpncalc-firmware", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasiek%2Frpncalc-firmware'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f53e511647f803f3d1cb253d052d9ba32c8d8983
[INFO] testing jasiek/rpncalc-firmware against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasiek%2Frpncalc-firmware" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jasiek/rpncalc-firmware on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jasiek/rpncalc-firmware
[INFO] finished tweaking git repo https://github.com/jasiek/rpncalc-firmware
[INFO] tweaked toml for git repo https://github.com/jasiek/rpncalc-firmware written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jasiek/rpncalc-firmware already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13f155fa6990dd32ed224342056b4ce0b5b9fc76c972714a14de5e4296ebfaa7
[INFO] running `Command { std: "docker" "start" "-a" "13f155fa6990dd32ed224342056b4ce0b5b9fc76c972714a14de5e4296ebfaa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13f155fa6990dd32ed224342056b4ce0b5b9fc76c972714a14de5e4296ebfaa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f155fa6990dd32ed224342056b4ce0b5b9fc76c972714a14de5e4296ebfaa7", kill_on_drop: false }`
[INFO] [stdout] 13f155fa6990dd32ed224342056b4ce0b5b9fc76c972714a14de5e4296ebfaa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6dc82ee3f5aa7129274190f744b301d2697fb12e31b0e55eefc62812f202b28
[INFO] running `Command { std: "docker" "start" "-a" "f6dc82ee3f5aa7129274190f744b301d2697fb12e31b0e55eefc62812f202b28", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rpncalc-firmware v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `peek` is never used
[INFO] [stdout]   --> src/calc.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<T: Float + ToString + FromStr> Calculator<T> {
[INFO] [stdout]    | ------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn peek(&self) -> T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_2` is never used
[INFO] [stdout]   --> src/ui.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const KEY_2: i32 = 50;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_3` is never used
[INFO] [stdout]   --> src/ui.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const KEY_3: i32 = 51;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_4` is never used
[INFO] [stdout]   --> src/ui.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const KEY_4: i32 = 52;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_5` is never used
[INFO] [stdout]   --> src/ui.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const KEY_5: i32 = 53;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_6` is never used
[INFO] [stdout]   --> src/ui.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const KEY_6: i32 = 54;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_7` is never used
[INFO] [stdout]   --> src/ui.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const KEY_7: i32 = 55;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_8` is never used
[INFO] [stdout]   --> src/ui.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const KEY_8: i32 = 56;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `feed_test_helper` is never used
[INFO] [stdout]    --> src/ui.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 57  | impl<'a, T: Float + ToString + FromStr> UI<'a, T> {
[INFO] [stdout]     | ------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn feed_test_helper(&mut self, chars: Vec<i32>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "f6dc82ee3f5aa7129274190f744b301d2697fb12e31b0e55eefc62812f202b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6dc82ee3f5aa7129274190f744b301d2697fb12e31b0e55eefc62812f202b28", kill_on_drop: false }`
[INFO] [stdout] f6dc82ee3f5aa7129274190f744b301d2697fb12e31b0e55eefc62812f202b28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3afdfdd72f0d23a6f30ca7cefc0bfe679fa62b7a0209bbf0762775bd66b901d
[INFO] running `Command { std: "docker" "start" "-a" "d3afdfdd72f0d23a6f30ca7cefc0bfe679fa62b7a0209bbf0762775bd66b901d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpncalc-firmware v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "d3afdfdd72f0d23a6f30ca7cefc0bfe679fa62b7a0209bbf0762775bd66b901d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3afdfdd72f0d23a6f30ca7cefc0bfe679fa62b7a0209bbf0762775bd66b901d", kill_on_drop: false }`
[INFO] [stdout] d3afdfdd72f0d23a6f30ca7cefc0bfe679fa62b7a0209bbf0762775bd66b901d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 47c60558fe782a12f5a9fa5541b00de3fb559051b89fec78cda76594b83c7c23
[INFO] running `Command { std: "docker" "start" "-a" "47c60558fe782a12f5a9fa5541b00de3fb559051b89fec78cda76594b83c7c23", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rpncalc_firmware-e7b06a9f37844b50)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] Error opening terminal: unknown.
[INFO] [stderr] error: test failed, to rerun pass `--bin rpncalc-firmware`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/rpncalc_firmware-e7b06a9f37844b50` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "47c60558fe782a12f5a9fa5541b00de3fb559051b89fec78cda76594b83c7c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c60558fe782a12f5a9fa5541b00de3fb559051b89fec78cda76594b83c7c23", kill_on_drop: false }`
[INFO] [stdout] 47c60558fe782a12f5a9fa5541b00de3fb559051b89fec78cda76594b83c7c23
[INFO] testing jasiek/rpncalc-firmware against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasiek%2Frpncalc-firmware" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jasiek/rpncalc-firmware on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jasiek/rpncalc-firmware
[INFO] finished tweaking git repo https://github.com/jasiek/rpncalc-firmware
[INFO] tweaked toml for git repo https://github.com/jasiek/rpncalc-firmware written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jasiek/rpncalc-firmware already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 579419afcf31467c5ac7a30e5b43dff3b6361cc6fb4d2c866087fbcc073e3ef3
[INFO] running `Command { std: "docker" "start" "-a" "579419afcf31467c5ac7a30e5b43dff3b6361cc6fb4d2c866087fbcc073e3ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "579419afcf31467c5ac7a30e5b43dff3b6361cc6fb4d2c866087fbcc073e3ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "579419afcf31467c5ac7a30e5b43dff3b6361cc6fb4d2c866087fbcc073e3ef3", kill_on_drop: false }`
[INFO] [stdout] 579419afcf31467c5ac7a30e5b43dff3b6361cc6fb4d2c866087fbcc073e3ef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c977bc2771854e0b1d139fc5e39ac8b76ceb70d93c3a466ec8f08c8cb981544f
[INFO] running `Command { std: "docker" "start" "-a" "c977bc2771854e0b1d139fc5e39ac8b76ceb70d93c3a466ec8f08c8cb981544f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rpncalc-firmware v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `peek` is never used
[INFO] [stdout]   --> src/calc.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<T: Float + ToString + FromStr> Calculator<T> {
[INFO] [stdout]    | ------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn peek(&self) -> T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_2` is never used
[INFO] [stdout]   --> src/ui.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const KEY_2: i32 = 50;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_3` is never used
[INFO] [stdout]   --> src/ui.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const KEY_3: i32 = 51;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_4` is never used
[INFO] [stdout]   --> src/ui.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const KEY_4: i32 = 52;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_5` is never used
[INFO] [stdout]   --> src/ui.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const KEY_5: i32 = 53;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_6` is never used
[INFO] [stdout]   --> src/ui.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const KEY_6: i32 = 54;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_7` is never used
[INFO] [stdout]   --> src/ui.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const KEY_7: i32 = 55;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_8` is never used
[INFO] [stdout]   --> src/ui.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const KEY_8: i32 = 56;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `feed_test_helper` is never used
[INFO] [stdout]    --> src/ui.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 57  | impl<'a, T: Float + ToString + FromStr> UI<'a, T> {
[INFO] [stdout]     | ------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn feed_test_helper(&mut self, chars: Vec<i32>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "c977bc2771854e0b1d139fc5e39ac8b76ceb70d93c3a466ec8f08c8cb981544f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c977bc2771854e0b1d139fc5e39ac8b76ceb70d93c3a466ec8f08c8cb981544f", kill_on_drop: false }`
[INFO] [stdout] c977bc2771854e0b1d139fc5e39ac8b76ceb70d93c3a466ec8f08c8cb981544f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 247457f285f9f06078a5c628f568d4d96614138c986d203b2f47ca28e8a6b0e6
[INFO] running `Command { std: "docker" "start" "-a" "247457f285f9f06078a5c628f568d4d96614138c986d203b2f47ca28e8a6b0e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpncalc-firmware v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "247457f285f9f06078a5c628f568d4d96614138c986d203b2f47ca28e8a6b0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "247457f285f9f06078a5c628f568d4d96614138c986d203b2f47ca28e8a6b0e6", kill_on_drop: false }`
[INFO] [stdout] 247457f285f9f06078a5c628f568d4d96614138c986d203b2f47ca28e8a6b0e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22b15bb0cb1e390c6abc29252a42875577db303c7b2286ea43cea89b083683e2
[INFO] running `Command { std: "docker" "start" "-a" "22b15bb0cb1e390c6abc29252a42875577db303c7b2286ea43cea89b083683e2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rpncalc_firmware-47c0cffec8786375)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] Error opening terminal: unknown.
[INFO] [stderr] error: test failed, to rerun pass `--bin rpncalc-firmware`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/rpncalc_firmware-47c0cffec8786375` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "22b15bb0cb1e390c6abc29252a42875577db303c7b2286ea43cea89b083683e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b15bb0cb1e390c6abc29252a42875577db303c7b2286ea43cea89b083683e2", kill_on_drop: false }`
[INFO] [stdout] 22b15bb0cb1e390c6abc29252a42875577db303c7b2286ea43cea89b083683e2
