Oct 12 12:42:21.502 INFO checking syml/rust-webserver against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 12:42:21.502 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/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 12:42:22.216 INFO blam! 1420dfaad4d0b0e9eb45ad02d3f1765fa28021e2cae4ac0c5068d462dcd5e38f
Oct 12 12:42:22.216 INFO running `"docker" "start" "-a" "1420dfaad4d0b0e9eb45ad02d3f1765fa28021e2cae4ac0c5068d462dcd5e38f"`
Oct 12 12:42:24.815 INFO kablam! usermod: no changes
Oct 12 12:42:24.969 INFO kablam!     Checking regex-syntax v0.3.5
Oct 12 12:42:24.976 INFO kablam!     Checking net2 v0.2.26
Oct 12 12:42:24.992 INFO kablam!     Checking nix v0.6.0
Oct 12 12:42:28.796 INFO kablam!     Checking regex v0.1.77
Oct 12 12:42:30.100 INFO kablam!     Checking mio v0.6.0
Oct 12 12:42:31.577 INFO kablam!     Checking webserver v0.1.0 (/source)
Oct 12 12:42:32.873 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.02s
Oct 12 12:42:32.880 INFO kablam! su: No module specific data is present
Oct 12 12:42:33.571 INFO running `"docker" "rm" "-f" "1420dfaad4d0b0e9eb45ad02d3f1765fa28021e2cae4ac0c5068d462dcd5e38f"`
Oct 12 12:42:33.988 INFO blam! 1420dfaad4d0b0e9eb45ad02d3f1765fa28021e2cae4ac0c5068d462dcd5e38f