Nov 03 22:56:52.876 INFO checking skade/rust-three-days-course against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 03 22:56:52.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-1/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2ad8c7b3502616aff142a4640cce911c6c2c5463-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 03 22:56:53.519 INFO blam! 91d9894fcb053b5f06ce6cd6537a58214e5a183b10c01aed183c27e411466924
Nov 03 22:56:53.539 INFO running `"docker" "start" "-a" "91d9894fcb053b5f06ce6cd6537a58214e5a183b10c01aed183c27e411466924"`
Nov 03 22:56:54.947 INFO kablam! usermod: no changes
Nov 03 22:56:55.103 INFO kablam!     Checking serde v0.9.12
Nov 03 22:56:55.103 INFO kablam!     Checking shells v0.2.0
Nov 03 22:56:55.103 INFO kablam!    Compiling syn v0.11.9
Nov 03 22:57:02.308 INFO kablam!    Compiling serde_codegen_internals v0.14.2
Nov 03 22:57:05.659 INFO kablam!    Compiling serde_derive v0.9.12
Nov 03 22:57:13.560 INFO kablam!     Checking serde_json v0.9.9
Nov 03 22:57:17.111 INFO kablam!     Checking pandoc_types v0.1.0
Nov 03 22:57:19.847 INFO kablam!     Checking tasks v0.1.0 (/source)
Nov 03 22:57:22.999 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 28.02s
Nov 03 22:57:23.014 INFO kablam! su: No module specific data is present
Nov 03 22:57:23.739 INFO running `"docker" "rm" "-f" "91d9894fcb053b5f06ce6cd6537a58214e5a183b10c01aed183c27e411466924"`
Nov 03 22:57:24.089 INFO blam! 91d9894fcb053b5f06ce6cd6537a58214e5a183b10c01aed183c27e411466924