Nov 04 21:13:00.942 INFO checking mackerel_client-0.2.0 against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 21:13:00.944 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-1/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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"`
Nov 04 21:13:01.323 INFO blam! 3a52aef17296c5802d8ae01b78867ef67b0590e0ef4b28aa0867f691be530c8d
Nov 04 21:13:01.328 INFO running `"docker" "start" "-a" "3a52aef17296c5802d8ae01b78867ef67b0590e0ef4b28aa0867f691be530c8d"`
Nov 04 21:13:03.031 INFO kablam! usermod: no changes
Nov 04 21:13:03.371 INFO kablam!     Checking mackerel_client v0.2.0 (/source)
Nov 04 21:13:10.375 INFO kablam! warning: unused `#[macro_use]` import
Nov 04 21:13:10.375 INFO kablam!   --> src/lib.rs:28:1
Nov 04 21:13:10.375 INFO kablam!    |
Nov 04 21:13:10.375 INFO kablam! 28 | #[macro_use]
Nov 04 21:13:10.375 INFO kablam!    | ^^^^^^^^^^^^
Nov 04 21:13:10.375 INFO kablam!    |
Nov 04 21:13:10.375 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 04 21:13:10.375 INFO kablam! 
Nov 04 21:13:13.029 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.96s
Nov 04 21:13:13.052 INFO kablam! su: No module specific data is present
Nov 04 21:13:13.543 INFO running `"docker" "rm" "-f" "3a52aef17296c5802d8ae01b78867ef67b0590e0ef4b28aa0867f691be530c8d"`
Nov 04 21:13:13.690 INFO blam! 3a52aef17296c5802d8ae01b78867ef67b0590e0ef4b28aa0867f691be530c8d