Dec 01 02:26:58.569 INFO checking a2-0.3.5 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Dec 01 02:26:58.569 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Dec 01 02:26:58.884 INFO [stdout] 9b838c92e5e77188095809ae339de3ea953f08140857c6a572a5fdf631d4e04f
Dec 01 02:26:58.891 INFO running `"docker" "start" "-a" "9b838c92e5e77188095809ae339de3ea953f08140857c6a572a5fdf631d4e04f"`
Dec 01 02:26:59.737 INFO [stderr] usermod: no changes
Dec 01 02:27:00.089 INFO [stderr]    Compiling unindent v0.1.3
Dec 01 02:27:00.097 INFO [stderr]     Checking pretty_env_logger v0.2.5
Dec 01 02:27:00.972 INFO [stderr]    Compiling indoc-impl v0.2.8
Dec 01 02:27:02.876 INFO [stderr]     Checking hyper-alpn v0.1.4
Dec 01 02:27:07.444 INFO [stderr]     Checking indoc v0.2.8
Dec 01 02:27:11.933 INFO [stderr]     Checking a2 v0.3.5 (/source)
Dec 01 02:27:41.560 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.81s
Dec 01 02:27:41.597 INFO [stderr] su: No module specific data is present
Dec 01 02:27:42.381 INFO running `"docker" "inspect" "9b838c92e5e77188095809ae339de3ea953f08140857c6a572a5fdf631d4e04f"`
Dec 01 02:27:42.678 INFO running `"docker" "rm" "-f" "9b838c92e5e77188095809ae339de3ea953f08140857c6a572a5fdf631d4e04f"`
Dec 01 02:27:42.952 INFO [stdout] 9b838c92e5e77188095809ae339de3ea953f08140857c6a572a5fdf631d4e04f