Nov 01 22:55:43.409 INFO checking from_variants-0.4.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 22:55:43.409 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 22:55:43.608 INFO blam! 648db11698dd6add65f8ed7dd25811adabd1b7e322550393279736f34a6f4fe6
Nov 01 22:55:43.610 INFO running `"docker" "start" "-a" "648db11698dd6add65f8ed7dd25811adabd1b7e322550393279736f34a6f4fe6"`
Nov 01 22:55:44.084 INFO kablam! usermod: no changes
Nov 01 22:55:44.180 INFO kablam!    Compiling error-chain v0.11.0
Nov 01 22:55:44.180 INFO kablam!    Compiling syn v0.13.11
Nov 01 22:56:07.004 INFO kablam!    Compiling darling_core v0.5.0
Nov 01 22:56:17.028 INFO kablam!    Compiling darling_macro v0.5.0
Nov 01 22:56:22.588 INFO kablam!    Compiling darling v0.5.0
Nov 01 22:56:26.061 INFO kablam!    Compiling from_variants_impl v0.4.0
Nov 01 22:56:32.047 INFO kablam!     Checking from_variants v0.4.0 (/source)
Nov 01 22:56:33.746 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 49.63s
Nov 01 22:56:33.752 INFO kablam! su: No module specific data is present
Nov 01 22:56:34.296 INFO running `"docker" "rm" "-f" "648db11698dd6add65f8ed7dd25811adabd1b7e322550393279736f34a6f4fe6"`
Nov 01 22:56:34.600 INFO blam! 648db11698dd6add65f8ed7dd25811adabd1b7e322550393279736f34a6f4fe6