Dec 19 07:34:49.962 INFO checking tarka/xcp against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 07:34:49.962 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:34:50.384 INFO [stdout] 11fbe2947b135f7d423e7468ad256fe9ec41e4227093ee046f51f7daf1b7d68d
Dec 19 07:34:50.392 INFO running `"docker" "start" "-a" "11fbe2947b135f7d423e7468ad256fe9ec41e4227093ee046f51f7daf1b7d68d"`
Dec 19 07:34:52.656 INFO [stderr]    Compiling serde v1.0.80
Dec 19 07:34:52.657 INFO [stderr]    Compiling escargot v0.3.1
Dec 19 07:34:52.657 INFO [stderr]     Checking termios v0.3.1
Dec 19 07:34:52.657 INFO [stderr]     Checking log v0.4.5
Dec 19 07:34:52.657 INFO [stderr]     Checking clicolors-control v0.2.0
Dec 19 07:34:52.657 INFO [stderr]     Checking term v0.5.1
Dec 19 07:34:52.657 INFO [stderr]     Checking memchr v2.1.0
Dec 19 07:34:52.657 INFO [stderr]     Checking tempfile v3.0.4
Dec 19 07:34:54.004 INFO [stderr]    Compiling syn v0.15.13
Dec 19 07:34:54.008 INFO [stderr]     Checking thread_local v0.3.6
Dec 19 07:34:54.256 INFO [stderr]     Checking crossbeam-epoch v0.6.0
Dec 19 07:34:54.644 INFO [stderr]     Checking chrono v0.4.6
Dec 19 07:34:55.338 INFO [stderr]     Checking aho-corasick v0.6.8
Dec 19 07:34:56.025 INFO [stderr]     Checking crossbeam-channel v0.2.6
Dec 19 07:34:56.676 INFO [stderr]     Checking regex v1.0.5
Dec 19 07:34:56.676 INFO [stderr]     Checking regex v0.2.11
Dec 19 07:35:02.428 INFO [stderr]     Checking simplelog v0.5.3
Dec 19 07:35:04.247 INFO [stderr]     Checking console v0.6.2
Dec 19 07:35:04.247 INFO [stderr]     Checking globset v0.4.2
Dec 19 07:35:06.006 INFO [stderr]     Checking indicatif v0.9.0
Dec 19 07:35:06.438 INFO [stderr]     Checking ignore v0.4.4
Dec 19 07:35:14.712 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 19 07:35:14.712 INFO [stderr]    Compiling synstructure v0.10.0
Dec 19 07:35:14.712 INFO [stderr]    Compiling structopt-derive v0.2.12
Dec 19 07:35:21.913 INFO [stderr]     Checking structopt v0.2.12
Dec 19 07:35:21.996 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 19 07:35:25.287 INFO [stderr]     Checking failure v0.1.3
Dec 19 07:35:26.095 INFO [stderr]     Checking xcp v0.1.1-alpha.3 (/opt/crater/workdir)
Dec 19 07:35:47.148 INFO [stderr]     Checking serde_json v1.0.32
Dec 19 07:35:50.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:35:50.983 INFO [stderr]   --> tests/lib.rs:51:5
Dec 19 07:35:50.983 INFO [stderr]    |
Dec 19 07:35:50.983 INFO [stderr] 51 |     write!(&file, "{}", text);
Dec 19 07:35:50.984 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:35:50.984 INFO [stderr]    |
Dec 19 07:35:50.984 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 07:35:50.984 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:35:50.984 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 19 07:35:50.984 INFO [stderr] 
Dec 19 07:35:50.984 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:35:50.984 INFO [stderr]   --> tests/lib.rs:79:5
Dec 19 07:35:50.984 INFO [stderr]    |
Dec 19 07:35:50.984 INFO [stderr] 79 |     write!(fd, "{}", data);
Dec 19 07:35:50.984 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:35:50.984 INFO [stderr]    |
Dec 19 07:35:50.984 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:35:50.984 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 19 07:35:50.984 INFO [stderr] 
Dec 19 07:35:50.984 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:35:50.984 INFO [stderr]   --> tests/lib.rs:82:5
Dec 19 07:35:50.984 INFO [stderr]    |
Dec 19 07:35:50.984 INFO [stderr] 82 |     write!(fd, "{}", data);
Dec 19 07:35:50.984 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:35:50.984 INFO [stderr]    |
Dec 19 07:35:50.984 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:35:50.984 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 19 07:35:50.984 INFO [stderr] 
Dec 19 07:35:50.984 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:35:50.984 INFO [stderr]   --> tests/lib.rs:85:5
Dec 19 07:35:50.984 INFO [stderr]    |
Dec 19 07:35:50.984 INFO [stderr] 85 |     write!(fd, "{}", data);
Dec 19 07:35:50.984 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:35:50.984 INFO [stderr]    |
Dec 19 07:35:50.984 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:35:50.984 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 19 07:35:50.984 INFO [stderr] 
Dec 19 07:35:51.073 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.69s
Dec 19 07:35:51.810 INFO running `"docker" "inspect" "11fbe2947b135f7d423e7468ad256fe9ec41e4227093ee046f51f7daf1b7d68d"`
Dec 19 07:35:52.110 INFO running `"docker" "rm" "-f" "11fbe2947b135f7d423e7468ad256fe9ec41e4227093ee046f51f7daf1b7d68d"`
Dec 19 07:35:52.352 INFO [stdout] 11fbe2947b135f7d423e7468ad256fe9ec41e4227093ee046f51f7daf1b7d68d