Oct 12 17:53:06.451 INFO checking markcol/scheme-rs against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:53:06.453 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/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 17:53:06.855 INFO blam! 450023a3ac97be5e52e8de554140e24417b3aca94fd2d57bf26fe34640f5d05e
Oct 12 17:53:06.856 INFO running `"docker" "start" "-a" "450023a3ac97be5e52e8de554140e24417b3aca94fd2d57bf26fe34640f5d05e"`
Oct 12 17:53:08.355 INFO kablam! usermod: no changes
Oct 12 17:53:08.515 INFO kablam!     Checking nix v0.5.1
Oct 12 17:53:08.521 INFO kablam!    Compiling syn v0.12.13
Oct 12 17:53:08.521 INFO kablam!     Checking backtrace-sys v0.1.16
Oct 12 17:53:09.147 INFO kablam!     Checking backtrace v0.3.5
Oct 12 17:53:09.676 INFO kablam!     Checking failure v0.1.1
Oct 12 17:53:12.396 INFO kablam!     Checking rustyline v1.0.0
Oct 12 17:53:18.036 INFO kablam!    Compiling structopt-derive v0.2.4
Oct 12 17:53:21.518 INFO kablam!     Checking structopt v0.2.4
Oct 12 17:53:22.106 INFO kablam!     Checking scheme-rs v0.1.0 (/source)
Oct 12 17:53:23.177 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 17:53:23.178 INFO kablam!  --> src/main.rs:6:1
Oct 12 17:53:23.179 INFO kablam!   |
Oct 12 17:53:23.180 INFO kablam! 6 | #[macro_use]
Oct 12 17:53:23.180 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 17:53:23.181 INFO kablam!   |
Oct 12 17:53:23.182 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:53:23.182 INFO kablam! 
Oct 12 17:53:23.241 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 17:53:23.241 INFO kablam!  --> src/main.rs:6:1
Oct 12 17:53:23.242 INFO kablam!   |
Oct 12 17:53:23.242 INFO kablam! 6 | #[macro_use]
Oct 12 17:53:23.243 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 17:53:23.243 INFO kablam!   |
Oct 12 17:53:23.243 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:53:23.243 INFO kablam! 
Oct 12 17:53:23.406 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.01s
Oct 12 17:53:23.412 INFO kablam! su: No module specific data is present
Oct 12 17:53:24.129 INFO running `"docker" "rm" "-f" "450023a3ac97be5e52e8de554140e24417b3aca94fd2d57bf26fe34640f5d05e"`
Oct 12 17:53:24.304 INFO blam! 450023a3ac97be5e52e8de554140e24417b3aca94fd2d57bf26fe34640f5d05e