Dec 18 13:56:04.320 INFO checking modio-0.3.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 13:56:04.320 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/modio/0.3.0:/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 13:56:04.656 INFO [stdout] b2c039766bf8ec02c3e8a96d008e69eb8f75b3f895db4369c3dc91830ee1ba91
Dec 18 13:56:04.662 INFO running `"docker" "start" "-a" "b2c039766bf8ec02c3e8a96d008e69eb8f75b3f895db4369c3dc91830ee1ba91"`
Dec 18 13:56:05.480 INFO [stderr]     Checking hyper-multipart-rfc7578 v0.2.0-alpha2
Dec 18 13:56:06.660 INFO [stderr]     Checking modio v0.3.0 (/opt/crater/workdir)
Dec 18 13:56:08.738 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 13:56:08.738 INFO [stderr]    --> src/lib.rs:101:1
Dec 18 13:56:08.738 INFO [stderr]     |
Dec 18 13:56:08.738 INFO [stderr] 101 | #[macro_use]
Dec 18 13:56:08.738 INFO [stderr]     | ^^^^^^^^^^^^
Dec 18 13:56:08.738 INFO [stderr]     |
Dec 18 13:56:08.738 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 18 13:56:08.738 INFO [stderr] 
Dec 18 13:56:08.884 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 13:56:08.884 INFO [stderr]    --> src/lib.rs:101:1
Dec 18 13:56:08.884 INFO [stderr]     |
Dec 18 13:56:08.884 INFO [stderr] 101 | #[macro_use]
Dec 18 13:56:08.884 INFO [stderr]     | ^^^^^^^^^^^^
Dec 18 13:56:08.884 INFO [stderr]     |
Dec 18 13:56:08.884 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 18 13:56:08.884 INFO [stderr] 
Dec 18 13:56:11.424 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:56:11.424 INFO [stderr]    --> src/error.rs:147:13
Dec 18 13:56:11.424 INFO [stderr]     |
Dec 18 13:56:11.424 INFO [stderr] 147 |             writeln!(f, "{}", self.message);
Dec 18 13:56:11.424 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:56:11.424 INFO [stderr]     |
Dec 18 13:56:11.424 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 13:56:11.424 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:56:11.424 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 13:56:11.424 INFO [stderr] 
Dec 18 13:56:11.424 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:56:11.424 INFO [stderr]    --> src/error.rs:149:17
Dec 18 13:56:11.424 INFO [stderr]     |
Dec 18 13:56:11.424 INFO [stderr] 149 |                 writeln!(f, "  {}: {}", k, v);
Dec 18 13:56:11.424 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:56:11.424 INFO [stderr]     |
Dec 18 13:56:11.424 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:56:11.424 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 13:56:11.424 INFO [stderr] 
Dec 18 13:56:11.820 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:56:11.820 INFO [stderr]    --> src/error.rs:147:13
Dec 18 13:56:11.820 INFO [stderr]     |
Dec 18 13:56:11.820 INFO [stderr] 147 |             writeln!(f, "{}", self.message);
Dec 18 13:56:11.820 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:56:11.820 INFO [stderr]     |
Dec 18 13:56:11.820 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 13:56:11.820 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:56:11.820 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 13:56:11.820 INFO [stderr] 
Dec 18 13:56:11.820 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:56:11.820 INFO [stderr]    --> src/error.rs:149:17
Dec 18 13:56:11.820 INFO [stderr]     |
Dec 18 13:56:11.820 INFO [stderr] 149 |                 writeln!(f, "  {}: {}", k, v);
Dec 18 13:56:11.820 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:56:11.820 INFO [stderr]     |
Dec 18 13:56:11.820 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:56:11.820 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 13:56:11.820 INFO [stderr] 
Dec 18 13:56:14.571 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.27s
Dec 18 13:56:15.002 INFO running `"docker" "inspect" "b2c039766bf8ec02c3e8a96d008e69eb8f75b3f895db4369c3dc91830ee1ba91"`
Dec 18 13:56:15.082 INFO running `"docker" "rm" "-f" "b2c039766bf8ec02c3e8a96d008e69eb8f75b3f895db4369c3dc91830ee1ba91"`
Dec 18 13:56:15.174 INFO [stdout] b2c039766bf8ec02c3e8a96d008e69eb8f75b3f895db4369c3dc91830ee1ba91