Oct 27 20:15:27.728 INFO checking json_flex-0.3.2 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 20:15:27.730 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-0/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 27 20:15:27.935 INFO blam! 4f48db9a0b9025529c3cde662e24cba474e80adf1ef2ae43c7a5cdd889478b47
Oct 27 20:15:27.937 INFO running `"docker" "start" "-a" "4f48db9a0b9025529c3cde662e24cba474e80adf1ef2ae43c7a5cdd889478b47"`
Oct 27 20:15:28.545 INFO kablam! usermod: no changes
Oct 27 20:15:28.582 INFO kablam!     Checking json_flex v0.3.2 (/source)
Oct 27 20:15:29.599 INFO kablam! warning: unused import: `std::fs::File`
Oct 27 20:15:29.599 INFO kablam!  --> src/test.rs:4:5
Oct 27 20:15:29.600 INFO kablam!   |
Oct 27 20:15:29.600 INFO kablam! 4 | use std::fs::File;
Oct 27 20:15:29.600 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 27 20:15:29.601 INFO kablam!   |
Oct 27 20:15:29.601 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 20:15:29.601 INFO kablam! 
Oct 27 20:15:29.601 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 27 20:15:29.602 INFO kablam!  --> src/test.rs:5:5
Oct 27 20:15:29.602 INFO kablam!   |
Oct 27 20:15:29.602 INFO kablam! 5 | use std::io::prelude::*;
Oct 27 20:15:29.602 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 27 20:15:29.603 INFO kablam! 
Oct 27 20:15:30.738 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
Oct 27 20:15:30.741 INFO kablam! su: No module specific data is present
Oct 27 20:15:31.022 INFO running `"docker" "rm" "-f" "4f48db9a0b9025529c3cde662e24cba474e80adf1ef2ae43c7a5cdd889478b47"`
Oct 27 20:15:31.094 INFO blam! 4f48db9a0b9025529c3cde662e24cba474e80adf1ef2ae43c7a5cdd889478b47