[INFO] updating cached repository silven/armstrong
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/silven/armstrong
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/silven/armstrong" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/silven/armstrong"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/silven/armstrong'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/silven/armstrong" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/silven/armstrong"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/silven/armstrong'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 67cc95946d52c41baf2b4c8a5cad34bc2353cc83
[INFO] sha for GitHub repo silven/armstrong: 67cc95946d52c41baf2b4c8a5cad34bc2353cc83
[INFO] validating manifest of silven/armstrong on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of silven/armstrong on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing silven/armstrong
[INFO] finished frobbing silven/armstrong
[INFO] frobbed toml for silven/armstrong written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/silven/armstrong/Cargo.toml
[INFO] started frobbing silven/armstrong
[INFO] finished frobbing silven/armstrong
[INFO] frobbed toml for silven/armstrong written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/silven/armstrong/Cargo.toml
[INFO] crate silven/armstrong already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking silven/armstrong against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/silven/armstrong:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 145202bf693573183b3e28565369b8dd5398fefb5c1134401863735e3bc82d02
[INFO] running `"docker" "start" "-a" "145202bf693573183b3e28565369b8dd5398fefb5c1134401863735e3bc82d02"`
[INFO] [stderr]     Checking armstrong v0.0.1 (/opt/crater/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
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0522`.
[INFO] [stderr] error: Could not compile `armstrong`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[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" "145202bf693573183b3e28565369b8dd5398fefb5c1134401863735e3bc82d02"`
[INFO] running `"docker" "rm" "-f" "145202bf693573183b3e28565369b8dd5398fefb5c1134401863735e3bc82d02"`
[INFO] [stdout] 145202bf693573183b3e28565369b8dd5398fefb5c1134401863735e3bc82d02