Sep 10 22:32:04.702 INFO checking atsam4lc8c-0.1.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 22:32:04.702 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 22:32:04.702 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/try#3a2610c2a16575649896925631bf8cec4f4b1961:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 22:32:05.017 INFO blam! 8a5eb9a62dd56630f37a188a7e0f2b05473aa570d7607a0f1247ae62c8792650
Sep 10 22:32:05.019 INFO running `"docker" "start" "-a" "8a5eb9a62dd56630f37a188a7e0f2b05473aa570d7607a0f1247ae62c8792650"`
Sep 10 22:32:06.099 INFO kablam! usermod: no changes
Sep 10 22:32:06.270 INFO kablam!    Compiling cortex-m-semihosting v0.3.1
Sep 10 22:32:06.270 INFO kablam!    Compiling atsam4lc8c v0.1.1 (file:///source)
Sep 10 22:32:08.620 INFO kablam!     Checking panic-semihosting v0.2.0
Sep 10 22:32:08.620 INFO kablam!     Checking cortex-m-log v0.2.0
Sep 10 22:32:09.075 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 10 22:32:09.075 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Sep 10 22:32:09.075 INFO kablam!    |
Sep 10 22:32:09.075 INFO kablam! 67 | #[lang = "panic_fmt"]
Sep 10 22:32:09.075 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 10 22:32:09.086 INFO kablam! 
Sep 10 22:32:09.108 INFO kablam! error: aborting due to previous error
Sep 10 22:32:09.109 INFO kablam! 
Sep 10 22:32:09.109 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 10 22:32:09.132 INFO kablam! error: Could not compile `panic-semihosting`.
Sep 10 22:32:09.133 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 22:32:58.112 INFO kablam! error: build failed
Sep 10 22:32:58.114 INFO kablam! su: No module specific data is present
Sep 10 22:32:58.731 INFO running `"docker" "rm" "-f" "8a5eb9a62dd56630f37a188a7e0f2b05473aa570d7607a0f1247ae62c8792650"`
Sep 10 22:32:58.821 INFO blam! 8a5eb9a62dd56630f37a188a7e0f2b05473aa570d7607a0f1247ae62c8792650