Sep 04 20:51:00.957 INFO checking fe_session-0.5.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 20:51:00.957 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 20:51:00.957 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 20:51:01.127 INFO blam! c834154f2857156204bb70eb31b3098095534a3317e34d83922c11e8f1a0e527
Sep 04 20:51:01.129 INFO running `"docker" "start" "-a" "c834154f2857156204bb70eb31b3098095534a3317e34d83922c11e8f1a0e527"`
Sep 04 20:51:01.990 INFO kablam!     Checking iron v0.4.0
Sep 04 20:51:01.990 INFO kablam!     Checking oven v0.3.0
Sep 04 20:51:05.266 INFO kablam!     Checking fe_session v0.5.0 (file:///source)
Sep 04 20:51:11.480 INFO kablam! warning: unused import: `std::io::Read`
Sep 04 20:51:11.480 INFO kablam!   --> tests/lib.rs:19:5
Sep 04 20:51:11.480 INFO kablam!    |
Sep 04 20:51:11.480 INFO kablam! 19 | use std::io::Read;
Sep 04 20:51:11.481 INFO kablam!    |     ^^^^^^^^^^^^^
Sep 04 20:51:11.481 INFO kablam!    |
Sep 04 20:51:11.481 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 04 20:51:11.481 INFO kablam! 
Sep 04 20:51:11.650 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.78s
Sep 04 20:51:11.658 INFO kablam! su: No module specific data is present
Sep 04 20:51:12.389 INFO running `"docker" "rm" "-f" "c834154f2857156204bb70eb31b3098095534a3317e34d83922c11e8f1a0e527"`
Sep 04 20:51:12.498 INFO blam! c834154f2857156204bb70eb31b3098095534a3317e34d83922c11e8f1a0e527