[INFO] cloning repository https://github.com/Neben5/ROS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Neben5/ROS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeben5%2FROS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeben5%2FROS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d745b0ca746957f3d57f378bc86e00f2ba8a58b1
[INFO] checking Neben5/ROS against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeben5%2FROS" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Neben5/ROS on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Neben5/ROS
[INFO] finished tweaking git repo https://github.com/Neben5/ROS
[INFO] tweaked toml for git repo https://github.com/Neben5/ROS written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Neben5/ROS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uart_16550 v0.2.7
[INFO] [stderr]   Downloaded multiboot2 v0.8.2
[INFO] [stderr]   Downloaded bootloader v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98098033c65e6d97fa104af5bcc1fc0f4ab6130da1bb9e89d383dc4fef4f1519
[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" "98098033c65e6d97fa104af5bcc1fc0f4ab6130da1bb9e89d383dc4fef4f1519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98098033c65e6d97fa104af5bcc1fc0f4ab6130da1bb9e89d383dc4fef4f1519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98098033c65e6d97fa104af5bcc1fc0f4ab6130da1bb9e89d383dc4fef4f1519", kill_on_drop: false }`
[INFO] [stdout] 98098033c65e6d97fa104af5bcc1fc0f4ab6130da1bb9e89d383dc4fef4f1519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 1a263530f44d12cd70de19978240a952fce28b4c81e2b2df5f7338673c02b9d5
[INFO] running `Command { std: "docker" "start" "-a" "1a263530f44d12cd70de19978240a952fce28b4c81e2b2df5f7338673c02b9d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_64 v0.11.1
[INFO] [stderr]    Compiling bootloader v0.9.4
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking multiboot2 v0.8.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking uart_16550 v0.2.7
[INFO] [stderr]     Checking ros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/system.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 if (register as u8 == TimeDate::Hours as u8) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `serial_println` in this scope
[INFO] [stdout]  --> src/test_runner.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     serial_println!("Running {} tests", tests.len());
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: have you added the `#[macro_use]` on the module/import?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: unresolved import
[INFO] [stdout]   --> src/system/io/serial.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |         $crate::serial::_print(format_args!($($arg)*));
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 unresolved import
[INFO] [stdout]    |                 help: a similar path exists: `crate::system::io::serial`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     serial_println!("trivial assertion... ");
[INFO] [stdout]    |     ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: unresolved import
[INFO] [stdout]   --> src/system/io/serial.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |         $crate::serial::_print(format_args!($($arg)*));
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 unresolved import
[INFO] [stdout]    |                 help: a similar path exists: `crate::system::io::serial`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     serial_println!("[ok]");
[INFO] [stdout]    |     ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/system.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 if (register as u8 == TimeDate::Hours as u8) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ros`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1a263530f44d12cd70de19978240a952fce28b4c81e2b2df5f7338673c02b9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a263530f44d12cd70de19978240a952fce28b4c81e2b2df5f7338673c02b9d5", kill_on_drop: false }`
[INFO] [stdout] 1a263530f44d12cd70de19978240a952fce28b4c81e2b2df5f7338673c02b9d5