[INFO] updating cached repository https://github.com/silven/armstrong
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 67cc95946d52c41baf2b4c8a5cad34bc2353cc83
[INFO] checking silven/armstrong against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilven%2Farmstrong" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/silven/armstrong on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/silven/armstrong
[INFO] finished tweaking git repo https://github.com/silven/armstrong
[INFO] tweaked toml for git repo https://github.com/silven/armstrong written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/silven/armstrong already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20f9aae02df4b87a83405767fd5d34d54381c9612e91db793fe7b9c934be77c8
[INFO] running `"docker" "start" "-a" "20f9aae02df4b87a83405767fd5d34d54381c9612e91db793fe7b9c934be77c8"`
[INFO] [stderr]     Checking armstrong v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: type `crash_uart` should have an upper camel case name
[INFO] [stderr]   --> src/isr.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct crash_uart {
[INFO] [stderr]    |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `CrashUart`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/isr.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 |                     if (U0LSR_REGISTER.read() & 0x20 != 0) {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0522]: definition of an unknown language item: `panic_fmt`
[INFO] [stderr]   --> src/isr.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | #[lang="panic_fmt"]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
[INFO] [stderr] 
[INFO] [stderr] warning: type `crash_uart` should have an upper camel case name
[INFO] [stderr]   --> src/isr.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct crash_uart {
[INFO] [stderr]    |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `CrashUart`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/isr.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 |                     if (U0LSR_REGISTER.read() & 0x20 != 0) {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0522]: definition of an unknown language item: `panic_fmt`
[INFO] [stderr]   --> src/isr.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | #[lang="panic_fmt"]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0522`.
[INFO] [stderr] error: could not compile `armstrong`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0522`.
[INFO] [stderr] error: could not compile `armstrong`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "20f9aae02df4b87a83405767fd5d34d54381c9612e91db793fe7b9c934be77c8"`
[INFO] running `"docker" "rm" "-f" "20f9aae02df4b87a83405767fd5d34d54381c9612e91db793fe7b9c934be77c8"`
[INFO] [stdout] 20f9aae02df4b87a83405767fd5d34d54381c9612e91db793fe7b9c934be77c8