Dec 18 12:55:13.217 INFO checking polk-1.1.3 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:55:13.217 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/polk/1.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:55:13.574 INFO [stdout] f65a1926ab58b49cf43fc79f37b956e9dec391aa706625751c73f5d38b2f2b6f
Dec 18 12:55:13.580 INFO running `"docker" "start" "-a" "f65a1926ab58b49cf43fc79f37b956e9dec391aa706625751c73f5d38b2f2b6f"`
Dec 18 12:55:15.445 INFO [stderr]     Checking symlink v0.1.0
Dec 18 12:55:15.451 INFO [stderr]     Checking libgit2-sys v0.7.11
Dec 18 12:55:16.675 INFO [stderr]     Checking git2 v0.7.5
Dec 18 12:55:20.956 INFO [stderr]     Checking polk v1.1.3 (/opt/crater/workdir)
Dec 18 12:55:22.368 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 18 12:55:22.368 INFO [stderr]  --> src/util.rs:8:9
Dec 18 12:55:22.368 INFO [stderr]   |
Dec 18 12:55:22.368 INFO [stderr] 8 |         env::home_dir().expect("user does not have home directory")
Dec 18 12:55:22.368 INFO [stderr]   |         ^^^^^^^^^^^^^
Dec 18 12:55:22.368 INFO [stderr]   |
Dec 18 12:55:22.368 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 12:55:22.368 INFO [stderr] 
Dec 18 12:55:23.016 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 12:55:23.016 INFO [stderr]   --> src/errors.rs:1:1
Dec 18 12:55:23.016 INFO [stderr]    |
Dec 18 12:55:23.016 INFO [stderr] 1  | / error_chain! {
Dec 18 12:55:23.016 INFO [stderr] 2  | |     types {
Dec 18 12:55:23.016 INFO [stderr] 3  | |         Error, ErrorKind, ResultExt, Result;
Dec 18 12:55:23.016 INFO [stderr] 4  | |     }
Dec 18 12:55:23.016 INFO [stderr] ...  |
Dec 18 12:55:23.016 INFO [stderr] 12 | |     }
Dec 18 12:55:23.016 INFO [stderr] 13 | | }
Dec 18 12:55:23.016 INFO [stderr]    | |_^
Dec 18 12:55:23.016 INFO [stderr]    |
Dec 18 12:55:23.016 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 12:55:23.016 INFO [stderr] 
Dec 18 12:55:23.152 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 12:55:23.152 INFO [stderr]   --> src/errors.rs:1:1
Dec 18 12:55:23.152 INFO [stderr]    |
Dec 18 12:55:23.152 INFO [stderr] 1  | / error_chain! {
Dec 18 12:55:23.152 INFO [stderr] 2  | |     types {
Dec 18 12:55:23.152 INFO [stderr] 3  | |         Error, ErrorKind, ResultExt, Result;
Dec 18 12:55:23.152 INFO [stderr] 4  | |     }
Dec 18 12:55:23.152 INFO [stderr] ...  |
Dec 18 12:55:23.152 INFO [stderr] 12 | |     }
Dec 18 12:55:23.152 INFO [stderr] 13 | | }
Dec 18 12:55:23.152 INFO [stderr]    | |_^
Dec 18 12:55:23.152 INFO [stderr]    |
Dec 18 12:55:23.152 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 12:55:23.152 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 12:55:23.153 INFO [stderr] 
Dec 18 12:55:23.153 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 12:55:23.153 INFO [stderr]   --> src/errors.rs:1:1
Dec 18 12:55:23.153 INFO [stderr]    |
Dec 18 12:55:23.153 INFO [stderr] 1  | / error_chain! {
Dec 18 12:55:23.153 INFO [stderr] 2  | |     types {
Dec 18 12:55:23.153 INFO [stderr] 3  | |         Error, ErrorKind, ResultExt, Result;
Dec 18 12:55:23.153 INFO [stderr] 4  | |     }
Dec 18 12:55:23.153 INFO [stderr] ...  |
Dec 18 12:55:23.153 INFO [stderr] 12 | |     }
Dec 18 12:55:23.153 INFO [stderr] 13 | | }
Dec 18 12:55:23.153 INFO [stderr]    | |_^
Dec 18 12:55:23.153 INFO [stderr]    |
Dec 18 12:55:23.153 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 12:55:23.153 INFO [stderr] 
Dec 18 12:55:23.656 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.47s
Dec 18 12:55:24.601 INFO running `"docker" "inspect" "f65a1926ab58b49cf43fc79f37b956e9dec391aa706625751c73f5d38b2f2b6f"`
Dec 18 12:55:24.934 INFO running `"docker" "rm" "-f" "f65a1926ab58b49cf43fc79f37b956e9dec391aa706625751c73f5d38b2f2b6f"`
Dec 18 12:55:25.303 INFO [stdout] f65a1926ab58b49cf43fc79f37b956e9dec391aa706625751c73f5d38b2f2b6f