[INFO] cloning repository https://github.com/xfcasio/roman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xfcasio/roman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfcasio%2Froman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfcasio%2Froman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a1179b9dc4244b20fe71db778a925c2cb0df00d
[INFO] checking xfcasio/roman against try#4c525d43052e921548191f82f6ed9e2f9e98dcb1 for pr-136988
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfcasio%2Froman" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xfcasio/roman on toolchain 4c525d43052e921548191f82f6ed9e2f9e98dcb1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/xfcasio/roman
[INFO] finished tweaking git repo https://github.com/xfcasio/roman
[INFO] tweaked toml for git repo https://github.com/xfcasio/roman written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/xfcasio/roman 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" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebd25cf3e9c3b16a60f7ac68da55b0f2ba9c67f21b9d7c847d1d3f5f1907e1b4
[INFO] running `Command { std: "docker" "start" "-a" "ebd25cf3e9c3b16a60f7ac68da55b0f2ba9c67f21b9d7c847d1d3f5f1907e1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebd25cf3e9c3b16a60f7ac68da55b0f2ba9c67f21b9d7c847d1d3f5f1907e1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd25cf3e9c3b16a60f7ac68da55b0f2ba9c67f21b9d7c847d1d3f5f1907e1b4", kill_on_drop: false }`
[INFO] [stdout] ebd25cf3e9c3b16a60f7ac68da55b0f2ba9c67f21b9d7c847d1d3f5f1907e1b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc6219685805aca0e22c837b8aeae0c7fd0bdf48beb1b8a0186726001a8dac79
[INFO] running `Command { std: "docker" "start" "-a" "fc6219685805aca0e22c837b8aeae0c7fd0bdf48beb1b8a0186726001a8dac79", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling embedded-hal-bus v0.1.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking critical-section v1.1.3
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unwrap-infallible v0.1.5
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling avr-hal-generic v0.1.0 (https://github.com/rahix/avr-hal?rev=3e362624547462928a219c40f9ea8e3a64f21e5f#3e362624)
[INFO] [stderr]    Compiling avr-device-macros v0.5.4
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]     Checking ufmt v0.2.0
[INFO] [stderr]     Checking avr-device v0.5.4
[INFO] [stderr]     Checking atmega-hal v0.1.0 (https://github.com/rahix/avr-hal?rev=3e362624547462928a219c40f9ea8e3a64f21e5f#3e362624)
[INFO] [stderr]     Checking arduino-hal v0.1.0 (https://github.com/rahix/avr-hal?rev=3e362624547462928a219c40f9ea8e3a64f21e5f#3e362624)
[INFO] [stderr]     Checking roman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: Ensure that you are using an AVR target! You may need to change directories or pass a --target flag to cargo. See
[INFO] [stdout]               https://github.com/Rahix/avr-device/pull/41 for more details.
[INFO] [stdout]  --> src/main.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[entry]
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `entry` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arduino_hal::port::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use arduino_hal::port::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arduino_hal::port::mode::Output`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use arduino_hal::port::mode::Output;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Peripherals`, `default_serial`, `delay_ms`, and `pins`
[INFO] [stdout]  --> src/main.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | use arduino_hal::{ entry, Peripherals, pins, default_serial, delay_ms };
[INFO] [stdout]   |                           ^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[entry]
[INFO] [stdout]    | -------- implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 10 | fn entry() -> ! {
[INFO] [stdout]    |               ^ expected `!`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected type `!`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `roman` (bin "roman") due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fc6219685805aca0e22c837b8aeae0c7fd0bdf48beb1b8a0186726001a8dac79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6219685805aca0e22c837b8aeae0c7fd0bdf48beb1b8a0186726001a8dac79", kill_on_drop: false }`
[INFO] [stdout] fc6219685805aca0e22c837b8aeae0c7fd0bdf48beb1b8a0186726001a8dac79