Dec 17 14:05:58.921 INFO checking tarka/xcp against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 14:05:58.921 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/tarka/xcp:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 14:05:59.245 INFO [stdout] 84214f27ab388644f79515ea959e919a9a1787b4e5a5b621080ded2587b09893
Dec 17 14:05:59.252 INFO running `"docker" "start" "-a" "84214f27ab388644f79515ea959e919a9a1787b4e5a5b621080ded2587b09893"`
Dec 17 14:06:00.829 INFO [stderr]    Compiling serde v1.0.80
Dec 17 14:06:00.829 INFO [stderr]    Compiling escargot v0.3.1
Dec 17 14:06:00.829 INFO [stderr]     Checking same-file v1.0.3
Dec 17 14:06:00.829 INFO [stderr]     Checking log v0.4.5
Dec 17 14:06:00.829 INFO [stderr]     Checking termios v0.3.1
Dec 17 14:06:00.829 INFO [stderr]     Checking clicolors-control v0.2.0
Dec 17 14:06:00.829 INFO [stderr]     Checking term v0.5.1
Dec 17 14:06:00.829 INFO [stderr]    Compiling syn v0.15.13
Dec 17 14:06:01.928 INFO [stderr]     Checking walkdir v2.2.5
Dec 17 14:06:01.956 INFO [stderr]     Checking regex v0.2.11
Dec 17 14:06:01.984 INFO [stderr]     Checking console v0.6.2
Dec 17 14:06:02.306 INFO [stderr]     Checking globset v0.4.2
Dec 17 14:06:03.212 INFO [stderr]     Checking simplelog v0.5.3
Dec 17 14:06:05.672 INFO [stderr]     Checking ignore v0.4.4
Dec 17 14:06:07.668 INFO [stderr]     Checking indicatif v0.9.0
Dec 17 14:06:18.598 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 17 14:06:18.607 INFO [stderr]    Compiling synstructure v0.10.0
Dec 17 14:06:18.608 INFO [stderr]    Compiling structopt-derive v0.2.12
Dec 17 14:06:24.429 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 17 14:06:25.664 INFO [stderr]     Checking structopt v0.2.12
Dec 17 14:06:27.420 INFO [stderr]     Checking failure v0.1.3
Dec 17 14:06:27.972 INFO [stderr]     Checking xcp v0.1.1-alpha.3 (/opt/crater/workdir)
Dec 17 14:06:49.296 INFO [stderr]     Checking serde_json v1.0.32
Dec 17 14:06:53.504 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:06:53.504 INFO [stderr]   --> tests/lib.rs:51:5
Dec 17 14:06:53.504 INFO [stderr]    |
Dec 17 14:06:53.504 INFO [stderr] 51 |     write!(&file, "{}", text);
Dec 17 14:06:53.504 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:06:53.504 INFO [stderr]    |
Dec 17 14:06:53.504 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 14:06:53.504 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:06:53.504 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 17 14:06:53.504 INFO [stderr] 
Dec 17 14:06:53.504 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:06:53.504 INFO [stderr]   --> tests/lib.rs:79:5
Dec 17 14:06:53.504 INFO [stderr]    |
Dec 17 14:06:53.504 INFO [stderr] 79 |     write!(fd, "{}", data);
Dec 17 14:06:53.504 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:06:53.504 INFO [stderr]    |
Dec 17 14:06:53.504 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:06:53.505 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 17 14:06:53.505 INFO [stderr] 
Dec 17 14:06:53.505 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:06:53.505 INFO [stderr]   --> tests/lib.rs:82:5
Dec 17 14:06:53.505 INFO [stderr]    |
Dec 17 14:06:53.505 INFO [stderr] 82 |     write!(fd, "{}", data);
Dec 17 14:06:53.505 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:06:53.505 INFO [stderr]    |
Dec 17 14:06:53.505 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:06:53.505 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 17 14:06:53.505 INFO [stderr] 
Dec 17 14:06:53.505 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:06:53.505 INFO [stderr]   --> tests/lib.rs:85:5
Dec 17 14:06:53.505 INFO [stderr]    |
Dec 17 14:06:53.505 INFO [stderr] 85 |     write!(fd, "{}", data);
Dec 17 14:06:53.505 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:06:53.505 INFO [stderr]    |
Dec 17 14:06:53.505 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:06:53.505 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 17 14:06:53.505 INFO [stderr] 
Dec 17 14:06:53.680 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.07s
Dec 17 14:06:54.383 INFO running `"docker" "inspect" "84214f27ab388644f79515ea959e919a9a1787b4e5a5b621080ded2587b09893"`
Dec 17 14:06:54.716 INFO running `"docker" "rm" "-f" "84214f27ab388644f79515ea959e919a9a1787b4e5a5b621080ded2587b09893"`
Dec 17 14:06:55.032 INFO [stdout] 84214f27ab388644f79515ea959e919a9a1787b4e5a5b621080ded2587b09893