Oct 13 08:43:25.887 INFO checking serial-0.4.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 08:43:25.887 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/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 08:43:26.328 INFO blam! 8c4d9e95d601566b60e9a3ae7e18fe7a353feed2f4d782fead95da711a6f8c0a
Oct 13 08:43:26.330 INFO running `"docker" "start" "-a" "8c4d9e95d601566b60e9a3ae7e18fe7a353feed2f4d782fead95da711a6f8c0a"`
Oct 13 08:43:27.463 INFO kablam! usermod: no changes
Oct 13 08:43:27.525 INFO kablam!     Checking serial-core v0.4.0
Oct 13 08:43:27.532 INFO kablam!     Checking ioctl-rs v0.1.6
Oct 13 08:43:28.432 INFO kablam!     Checking serial-unix v0.4.0
Oct 13 08:43:29.148 INFO kablam!     Checking serial v0.4.0 (/source)
Oct 13 08:43:32.649 INFO kablam! warning: unused import: `std::io::prelude`
Oct 13 08:43:32.649 INFO kablam!  --> examples/read_write.rs:6:5
Oct 13 08:43:32.649 INFO kablam!   |
Oct 13 08:43:32.650 INFO kablam! 6 | use std::io::prelude::*;
Oct 13 08:43:32.650 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Oct 13 08:43:32.650 INFO kablam!   |
Oct 13 08:43:32.651 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 08:43:32.651 INFO kablam! 
Oct 13 08:43:32.697 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.21s
Oct 13 08:43:32.712 INFO kablam! su: No module specific data is present
Oct 13 08:43:33.792 INFO running `"docker" "rm" "-f" "8c4d9e95d601566b60e9a3ae7e18fe7a353feed2f4d782fead95da711a6f8c0a"`
Oct 13 08:43:34.054 INFO blam! 8c4d9e95d601566b60e9a3ae7e18fe7a353feed2f4d782fead95da711a6f8c0a