[INFO] cloning repository https://github.com/PaulOlteanu/Chipper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PaulOlteanu/Chipper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulOlteanu%2FChipper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulOlteanu%2FChipper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e058bb0185b601218ec386997e6b30bbc316b636
[INFO] testing PaulOlteanu/Chipper against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulOlteanu%2FChipper" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PaulOlteanu/Chipper on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PaulOlteanu/Chipper
[INFO] finished tweaking git repo https://github.com/PaulOlteanu/Chipper
[INFO] tweaked toml for git repo https://github.com/PaulOlteanu/Chipper written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/PaulOlteanu/Chipper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ef89b3c1271117b5798b0b89d4f77720e301a38cf8c7f1f2a6691abc644c2a6
[INFO] running `Command { std: "docker" "start" "-a" "6ef89b3c1271117b5798b0b89d4f77720e301a38cf8c7f1f2a6691abc644c2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ef89b3c1271117b5798b0b89d4f77720e301a38cf8c7f1f2a6691abc644c2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ef89b3c1271117b5798b0b89d4f77720e301a38cf8c7f1f2a6691abc644c2a6", kill_on_drop: false }`
[INFO] [stdout] 6ef89b3c1271117b5798b0b89d4f77720e301a38cf8c7f1f2a6691abc644c2a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad457d7dac4afd843ed7701542fa0fe2313f8602a6696370fb323b400f5ce7e4
[INFO] running `Command { std: "docker" "start" "-a" "ad457d7dac4afd843ed7701542fa0fe2313f8602a6696370fb323b400f5ce7e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.8
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling chipper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     loop {
[INFO] [stdout] 19 | |         emulator.tick();
[INFO] [stdout] 20 | |         thread::sleep(time::Duration::from_millis(1000));
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 22 | 
[INFO] [stdout] 23 |       println!("Hello, world!");
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key_pressed`
[INFO] [stdout]    --> src/emulator.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn key_pressed(&mut self, key: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key_depressed`
[INFO] [stdout]    --> src/emulator.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn key_depressed(&mut self, key: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "ad457d7dac4afd843ed7701542fa0fe2313f8602a6696370fb323b400f5ce7e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad457d7dac4afd843ed7701542fa0fe2313f8602a6696370fb323b400f5ce7e4", kill_on_drop: false }`
[INFO] [stdout] ad457d7dac4afd843ed7701542fa0fe2313f8602a6696370fb323b400f5ce7e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d4c231e33bdfb003bf83b0ad4b5c46c8ddde96ef6b953ec6a5c38ff4fbe8a8e
[INFO] running `Command { std: "docker" "start" "-a" "6d4c231e33bdfb003bf83b0ad4b5c46c8ddde96ef6b953ec6a5c38ff4fbe8a8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling chipper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     loop {
[INFO] [stdout] 19 | |         emulator.tick();
[INFO] [stdout] 20 | |         thread::sleep(time::Duration::from_millis(1000));
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 22 | 
[INFO] [stdout] 23 |       println!("Hello, world!");
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key_pressed`
[INFO] [stdout]    --> src/emulator.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn key_pressed(&mut self, key: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key_depressed`
[INFO] [stdout]    --> src/emulator.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn key_depressed(&mut self, key: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "6d4c231e33bdfb003bf83b0ad4b5c46c8ddde96ef6b953ec6a5c38ff4fbe8a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d4c231e33bdfb003bf83b0ad4b5c46c8ddde96ef6b953ec6a5c38ff4fbe8a8e", kill_on_drop: false }`
[INFO] [stdout] 6d4c231e33bdfb003bf83b0ad4b5c46c8ddde96ef6b953ec6a5c38ff4fbe8a8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b08f8cba105238ee5c80607d0c7c9bba4ca9e4e563f50d616117202cfa3e19b
[INFO] running `Command { std: "docker" "start" "-a" "7b08f8cba105238ee5c80607d0c7c9bba4ca9e4e563f50d616117202cfa3e19b", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     loop {
[INFO] [stderr] 19 | |         emulator.tick();
[INFO] [stderr] 20 | |         thread::sleep(time::Duration::from_millis(1000));
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 22 | 
[INFO] [stderr] 23 |       println!("Hello, world!");
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `key_pressed`
[INFO] [stderr]    --> src/emulator.rs:216:12
[INFO] [stderr]     |
[INFO] [stderr] 216 |     pub fn key_pressed(&mut self, key: usize) {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `key_depressed`
[INFO] [stderr]    --> src/emulator.rs:220:12
[INFO] [stderr]     |
[INFO] [stderr] 220 |     pub fn key_depressed(&mut self, key: usize) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chipper` (bin "chipper" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chipper-e32846739abf2c6f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b08f8cba105238ee5c80607d0c7c9bba4ca9e4e563f50d616117202cfa3e19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b08f8cba105238ee5c80607d0c7c9bba4ca9e4e563f50d616117202cfa3e19b", kill_on_drop: false }`
[INFO] [stdout] 7b08f8cba105238ee5c80607d0c7c9bba4ca9e4e563f50d616117202cfa3e19b