Oct 13 16:10:28.837 INFO checking derive_builder_core-0.3.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 16:10:28.839 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 13 16:10:29.312 INFO blam! 88d62189524d5ec8fd87bfdce44c8b7204c316ff6a2b5e83a6db32e102dee509
Oct 13 16:10:29.332 INFO running `"docker" "start" "-a" "88d62189524d5ec8fd87bfdce44c8b7204c316ff6a2b5e83a6db32e102dee509"`
Oct 13 16:10:30.716 INFO kablam! usermod: no changes
Oct 13 16:10:30.825 INFO kablam!     Checking ident_case v1.0.0
Oct 13 16:10:30.836 INFO kablam!     Checking pretty_assertions v0.2.1
Oct 13 16:10:30.836 INFO kablam!     Checking quote v0.5.2
Oct 13 16:10:35.144 INFO kablam!     Checking syn v0.13.11
Oct 13 16:10:46.056 INFO kablam!     Checking darling_core v0.6.3
Oct 13 16:10:51.856 INFO kablam!     Checking darling v0.6.3
Oct 13 16:10:56.081 INFO kablam!     Checking derive_builder_core v0.3.0 (/source)
Oct 13 16:11:04.425 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 33.68s
Oct 13 16:11:04.430 INFO kablam! su: No module specific data is present
Oct 13 16:11:05.403 INFO running `"docker" "rm" "-f" "88d62189524d5ec8fd87bfdce44c8b7204c316ff6a2b5e83a6db32e102dee509"`
Oct 13 16:11:05.680 INFO blam! 88d62189524d5ec8fd87bfdce44c8b7204c316ff6a2b5e83a6db32e102dee509