Dec 05 05:35:52.306 INFO checking thin_cstr-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 05:35:52.306 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 05:35:52.725 INFO [stdout] 1142059aa5a4d1ce797e9e12cdefe06c209e3b41f67ccbd13c9d0f3d8ccc538a
Dec 05 05:35:52.728 INFO running `"docker" "start" "-a" "1142059aa5a4d1ce797e9e12cdefe06c209e3b41f67ccbd13c9d0f3d8ccc538a"`
Dec 05 05:35:54.514 INFO [stderr] usermod: no changes
Dec 05 05:35:54.579 INFO [stderr]     Checking thin_cstr v0.1.0 (/source)
Dec 05 05:35:55.242 INFO [stderr] warning: type annotations needed
Dec 05 05:35:55.242 INFO [stderr]    --> src/c_str.rs:832:27
Dec 05 05:35:55.242 INFO [stderr]     |
Dec 05 05:35:55.242 INFO [stderr] 832 |         (ptr as *const _).as_ref().expect("cannot convert a null pointer to a CStr")
Dec 05 05:35:55.242 INFO [stderr]     |                           ^^^^^^
Dec 05 05:35:55.242 INFO [stderr]     |
Dec 05 05:35:55.242 INFO [stderr]     = note: #[warn(tyvar_behind_raw_pointer)] on by default
Dec 05 05:35:55.242 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
Dec 05 05:35:55.242 INFO [stderr]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
Dec 05 05:35:55.242 INFO [stderr] 
Dec 05 05:35:55.543 INFO [stderr] warning: type annotations needed
Dec 05 05:35:55.543 INFO [stderr]    --> src/c_str.rs:832:27
Dec 05 05:35:55.543 INFO [stderr]     |
Dec 05 05:35:55.543 INFO [stderr] 832 |         (ptr as *const _).as_ref().expect("cannot convert a null pointer to a CStr")
Dec 05 05:35:55.543 INFO [stderr]     |                           ^^^^^^
Dec 05 05:35:55.543 INFO [stderr]     |
Dec 05 05:35:55.543 INFO [stderr]     = note: #[warn(tyvar_behind_raw_pointer)] on by default
Dec 05 05:35:55.543 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
Dec 05 05:35:55.543 INFO [stderr]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
Dec 05 05:35:55.543 INFO [stderr] 
Dec 05 05:35:55.627 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Dec 05 05:35:55.627 INFO [stderr] su: No module specific data is present
Dec 05 05:35:56.627 INFO running `"docker" "inspect" "1142059aa5a4d1ce797e9e12cdefe06c209e3b41f67ccbd13c9d0f3d8ccc538a"`
Dec 05 05:35:56.961 INFO running `"docker" "rm" "-f" "1142059aa5a4d1ce797e9e12cdefe06c209e3b41f67ccbd13c9d0f3d8ccc538a"`
Dec 05 05:35:57.291 INFO [stdout] 1142059aa5a4d1ce797e9e12cdefe06c209e3b41f67ccbd13c9d0f3d8ccc538a