Oct 13 13:09:01.324 INFO checking json_flex-0.3.2 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 13:09:01.324 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/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 13 13:09:01.637 INFO blam! f92c61ced30ea0b741fe291973327c1578be666ac9a2dfa4d6edcd0abe720fa4
Oct 13 13:09:01.648 INFO running `"docker" "start" "-a" "f92c61ced30ea0b741fe291973327c1578be666ac9a2dfa4d6edcd0abe720fa4"`
Oct 13 13:09:02.734 INFO kablam! usermod: no changes
Oct 13 13:09:02.840 INFO kablam!     Checking json_flex v0.3.2 (/source)
Oct 13 13:09:04.408 INFO kablam! warning: unused import: `std::fs::File`
Oct 13 13:09:04.408 INFO kablam!  --> src/test.rs:4:5
Oct 13 13:09:04.408 INFO kablam!   |
Oct 13 13:09:04.408 INFO kablam! 4 | use std::fs::File;
Oct 13 13:09:04.408 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 13 13:09:04.408 INFO kablam!   |
Oct 13 13:09:04.408 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 13:09:04.408 INFO kablam! 
Oct 13 13:09:04.408 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 13 13:09:04.408 INFO kablam!  --> src/test.rs:5:5
Oct 13 13:09:04.408 INFO kablam!   |
Oct 13 13:09:04.408 INFO kablam! 5 | use std::io::prelude::*;
Oct 13 13:09:04.408 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 13 13:09:04.408 INFO kablam! 
Oct 13 13:09:05.481 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
Oct 13 13:09:05.486 INFO kablam! su: No module specific data is present
Oct 13 13:09:06.224 INFO running `"docker" "rm" "-f" "f92c61ced30ea0b741fe291973327c1578be666ac9a2dfa4d6edcd0abe720fa4"`
Oct 13 13:09:06.345 INFO blam! f92c61ced30ea0b741fe291973327c1578be666ac9a2dfa4d6edcd0abe720fa4