Oct 13 07:12:30.257 INFO checking topd-1.3.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 07:12:30.257 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/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 07:12:30.640 INFO blam! 8be9f7a8b181d5467fead0db2e2ebcc54e19517cd9745207eb26b4b95e4cebab
Oct 13 07:12:30.646 INFO running `"docker" "start" "-a" "8be9f7a8b181d5467fead0db2e2ebcc54e19517cd9745207eb26b4b95e4cebab"`
Oct 13 07:12:31.720 INFO kablam! usermod: no changes
Oct 13 07:12:32.024 INFO kablam!    Compiling sys-info v0.5.6
Oct 13 07:12:32.024 INFO kablam!     Checking nix v0.8.1
Oct 13 07:12:32.048 INFO kablam!     Checking iron v0.5.1
Oct 13 07:12:37.513 INFO kablam!     Checking mount v0.3.0
Oct 13 07:12:40.436 INFO kablam!     Checking ifaces v0.1.0
Oct 13 07:12:41.656 INFO kablam!     Checking topd v1.3.1 (/source)
Oct 13 07:12:46.429 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.66s
Oct 13 07:12:46.444 INFO kablam! su: No module specific data is present
Oct 13 07:12:47.727 INFO running `"docker" "rm" "-f" "8be9f7a8b181d5467fead0db2e2ebcc54e19517cd9745207eb26b4b95e4cebab"`
Oct 13 07:12:48.164 INFO blam! 8be9f7a8b181d5467fead0db2e2ebcc54e19517cd9745207eb26b4b95e4cebab