Oct 12 12:12:17.251 INFO checking timmc/cavern against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 12:12:17.251 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 12:12:17.818 INFO blam! 8d3c67a0e2f83eb1743761119e3e7e045e6c115d23828695547e25453b995f05
Oct 12 12:12:17.820 INFO running `"docker" "start" "-a" "8d3c67a0e2f83eb1743761119e3e7e045e6c115d23828695547e25453b995f05"`
Oct 12 12:12:19.049 INFO kablam! usermod: no changes
Oct 12 12:12:19.277 INFO kablam!     Checking nix v0.9.0
Oct 12 12:12:19.279 INFO kablam!     Checking regex-syntax v0.5.5
Oct 12 12:12:19.284 INFO kablam!    Compiling syn v0.13.1
Oct 12 12:12:19.292 INFO kablam!     Checking shared_child v0.3.2
Oct 12 12:12:29.400 INFO kablam!     Checking regex v0.2.10
Oct 12 12:12:29.801 INFO kablam!     Checking os_pipe v0.6.0
Oct 12 12:12:30.680 INFO kablam!     Checking duct v0.10.0
Oct 12 12:12:36.360 INFO kablam!    Compiling structopt-derive v0.2.7
Oct 12 12:12:39.848 INFO kablam!     Checking structopt v0.2.7
Oct 12 12:12:40.192 INFO kablam!     Checking spelunk v0.1.0 (/source)
Oct 12 12:12:41.096 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 12:12:41.096 INFO kablam!  --> src/main.rs:1:1
Oct 12 12:12:41.096 INFO kablam!   |
Oct 12 12:12:41.096 INFO kablam! 1 | #[macro_use]
Oct 12 12:12:41.096 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 12:12:41.096 INFO kablam!   |
Oct 12 12:12:41.096 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 12:12:41.096 INFO kablam! 
Oct 12 12:12:41.137 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 12:12:41.137 INFO kablam!  --> src/main.rs:1:1
Oct 12 12:12:41.138 INFO kablam!   |
Oct 12 12:12:41.138 INFO kablam! 1 | #[macro_use]
Oct 12 12:12:41.138 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 12:12:41.139 INFO kablam!   |
Oct 12 12:12:41.139 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 12:12:41.139 INFO kablam! 
Oct 12 12:12:41.474 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 22.39s
Oct 12 12:12:41.487 INFO kablam! su: No module specific data is present
Oct 12 12:12:42.204 INFO running `"docker" "rm" "-f" "8d3c67a0e2f83eb1743761119e3e7e045e6c115d23828695547e25453b995f05"`
Oct 12 12:12:42.610 INFO blam! 8d3c67a0e2f83eb1743761119e3e7e045e6c115d23828695547e25453b995f05