Dec 18 11:45:15.360 INFO checking rustbar-0.2.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:45:15.360 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/rustbar/0.2.0:/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 11:45:15.691 INFO [stdout] fae805fd8dfa4dacde1498b0857347e4ce474d959ec830241e5575f1aa3c5001
Dec 18 11:45:15.693 INFO running `"docker" "start" "-a" "fae805fd8dfa4dacde1498b0857347e4ce474d959ec830241e5575f1aa3c5001"`
Dec 18 11:45:16.448 INFO [stderr]     Checking rustbar v0.2.0 (/opt/crater/workdir)
Dec 18 11:45:16.674 INFO [stderr] warning: patterns aren't allowed in methods without bodies
Dec 18 11:45:16.674 INFO [stderr]   --> src/rustbars.rs:22:18
Dec 18 11:45:16.674 INFO [stderr]    |
Dec 18 11:45:16.674 INFO [stderr] 22 |     fn to_stderr(mut self) -> T;
Dec 18 11:45:16.674 INFO [stderr]    |                  ^^^^^^^^
Dec 18 11:45:16.674 INFO [stderr]    |
Dec 18 11:45:16.674 INFO [stderr]    = note: #[warn(patterns_in_fns_without_body)] on by default
Dec 18 11:45:16.674 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 18 11:45:16.674 INFO [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
Dec 18 11:45:16.674 INFO [stderr] 
Dec 18 11:45:16.674 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 18 11:45:16.674 INFO [stderr]  --> src/lib.rs:3:1
Dec 18 11:45:16.674 INFO [stderr]   |
Dec 18 11:45:16.674 INFO [stderr] 3 | extern crate libc;
Dec 18 11:45:16.674 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 18 11:45:16.674 INFO [stderr]   |
Dec 18 11:45:16.674 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 11:45:16.674 INFO [stderr] 
Dec 18 11:45:16.684 INFO [stderr] warning: patterns aren't allowed in methods without bodies
Dec 18 11:45:16.684 INFO [stderr]   --> src/rustbars.rs:22:18
Dec 18 11:45:16.684 INFO [stderr]    |
Dec 18 11:45:16.684 INFO [stderr] 22 |     fn to_stderr(mut self) -> T;
Dec 18 11:45:16.684 INFO [stderr]    |                  ^^^^^^^^
Dec 18 11:45:16.684 INFO [stderr]    |
Dec 18 11:45:16.684 INFO [stderr]    = note: #[warn(patterns_in_fns_without_body)] on by default
Dec 18 11:45:16.684 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 18 11:45:16.684 INFO [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
Dec 18 11:45:16.684 INFO [stderr] 
Dec 18 11:45:16.684 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 18 11:45:16.684 INFO [stderr]  --> src/lib.rs:3:1
Dec 18 11:45:16.684 INFO [stderr]   |
Dec 18 11:45:16.684 INFO [stderr] 3 | extern crate libc;
Dec 18 11:45:16.684 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 18 11:45:16.684 INFO [stderr]   |
Dec 18 11:45:16.684 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 11:45:16.684 INFO [stderr] 
Dec 18 11:45:16.696 INFO [stderr] error: aborting due to previous error
Dec 18 11:45:16.696 INFO [stderr] 
Dec 18 11:45:16.696 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 18 11:45:16.696 INFO [stderr] error: Could not compile `rustbar`.
Dec 18 11:45:16.696 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 11:45:16.721 INFO [stderr] error: aborting due to previous error
Dec 18 11:45:16.721 INFO [stderr] 
Dec 18 11:45:16.721 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 18 11:45:16.721 INFO [stderr] error: Could not compile `rustbar`.
Dec 18 11:45:16.721 INFO [stderr] 
Dec 18 11:45:16.721 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 11:45:16.986 INFO running `"docker" "inspect" "fae805fd8dfa4dacde1498b0857347e4ce474d959ec830241e5575f1aa3c5001"`
Dec 18 11:45:17.114 INFO running `"docker" "rm" "-f" "fae805fd8dfa4dacde1498b0857347e4ce474d959ec830241e5575f1aa3c5001"`
Dec 18 11:45:17.272 INFO [stdout] fae805fd8dfa4dacde1498b0857347e4ce474d959ec830241e5575f1aa3c5001