Sep 20 04:45:39.550 INFO checking atsam4lc8c-0.1.1 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 20 04:45:39.550 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 20 04:45:39.550 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-2/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 04:45:40.023 INFO blam! e0392fadc28ce3b7e71b928b0f93ffe5e9eeccd679d94b4375b82e9cf92283a2
Sep 20 04:45:40.026 INFO running `"docker" "start" "-a" "e0392fadc28ce3b7e71b928b0f93ffe5e9eeccd679d94b4375b82e9cf92283a2"`
Sep 20 04:45:41.025 INFO kablam! usermod: no changes
Sep 20 04:45:41.113 INFO kablam!    Compiling rand_core v0.2.1
Sep 20 04:45:41.113 INFO kablam!    Compiling cortex-m-semihosting v0.3.1
Sep 20 04:45:41.123 INFO kablam!    Compiling cortex-m-rt v0.6.3
Sep 20 04:45:41.123 INFO kablam!    Compiling atsam4lc8c v0.1.1 (/source)
Sep 20 04:45:41.571 INFO kablam!    Compiling rand v0.5.5
Sep 20 04:45:43.206 INFO kablam!     Checking cortex-m-log v0.2.0
Sep 20 04:45:43.207 INFO kablam!     Checking panic-semihosting v0.2.0
Sep 20 04:45:43.555 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 20 04:45:43.555 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.2.0/src/lib.rs:67:1
Sep 20 04:45:43.555 INFO kablam!    |
Sep 20 04:45:43.555 INFO kablam! 67 | #[lang = "panic_fmt"]
Sep 20 04:45:43.555 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 20 04:45:43.555 INFO kablam! 
Sep 20 04:45:43.588 INFO kablam! error: aborting due to previous error
Sep 20 04:45:43.588 INFO kablam! 
Sep 20 04:45:43.588 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 20 04:45:43.591 INFO kablam! error: Could not compile `panic-semihosting`.
Sep 20 04:45:43.591 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 20 04:46:26.333 INFO kablam! error: build failed
Sep 20 04:46:26.334 INFO kablam! su: No module specific data is present
Sep 20 04:46:26.942 INFO running `"docker" "rm" "-f" "e0392fadc28ce3b7e71b928b0f93ffe5e9eeccd679d94b4375b82e9cf92283a2"`
Sep 20 04:46:27.030 INFO blam! e0392fadc28ce3b7e71b928b0f93ffe5e9eeccd679d94b4375b82e9cf92283a2