Oct 12 11:25:18.416 INFO checking vaibhavmdhoke/HelloIron against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 11:25:18.417 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/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 12 11:25:18.916 INFO blam! 4ec8d0e77b12a5d2c3e27a1e122a2dc42331456a48ee1ba623bde61e01f83dbc
Oct 12 11:25:18.920 INFO running `"docker" "start" "-a" "4ec8d0e77b12a5d2c3e27a1e122a2dc42331456a48ee1ba623bde61e01f83dbc"`
Oct 12 11:25:20.204 INFO kablam! usermod: no changes
Oct 12 11:25:20.348 INFO kablam!     Checking libc v0.2.30
Oct 12 11:25:21.258 INFO kablam!     Checking time v0.1.38
Oct 12 11:25:21.259 INFO kablam!     Checking num_cpus v1.6.2
Oct 12 11:25:22.269 INFO kablam!     Checking hyper v0.10.13
Oct 12 11:25:26.214 INFO kablam!     Checking iron v0.5.1
Oct 12 11:25:26.972 INFO kablam!     Checking router v0.5.1
Oct 12 11:25:27.440 INFO kablam!     Checking hello_world v0.1.0 (/source)
Oct 12 11:25:28.200 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.97s
Oct 12 11:25:28.202 INFO kablam! su: No module specific data is present
Oct 12 11:25:29.286 INFO running `"docker" "rm" "-f" "4ec8d0e77b12a5d2c3e27a1e122a2dc42331456a48ee1ba623bde61e01f83dbc"`
Oct 12 11:25:29.712 INFO blam! 4ec8d0e77b12a5d2c3e27a1e122a2dc42331456a48ee1ba623bde61e01f83dbc