Dec 18 09:06:10.036 INFO checking xcp-0.1.1-alpha.3 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:06:10.036 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/xcp/0.1.1-alpha.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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 09:06:10.239 INFO [stdout] 5eaa6e67ac897edb69d1dca48499aa4abff79f820b86ae5b00eb0375f0aa5baf
Dec 18 09:06:10.241 INFO running `"docker" "start" "-a" "5eaa6e67ac897edb69d1dca48499aa4abff79f820b86ae5b00eb0375f0aa5baf"`
Dec 18 09:06:11.260 INFO [stderr]     Checking clicolors-control v0.3.1
Dec 18 09:06:11.260 INFO [stderr]     Checking termios v0.3.1
Dec 18 09:06:11.280 INFO [stderr]     Checking simplelog v0.5.3
Dec 18 09:06:11.280 INFO [stderr]     Checking serde v1.0.82
Dec 18 09:06:11.280 INFO [stderr]     Checking globset v0.4.2
Dec 18 09:06:11.280 INFO [stderr]     Checking tempfile v3.0.5
Dec 18 09:06:11.812 INFO [stderr]     Checking console v0.7.1
Dec 18 09:06:12.664 INFO [stderr]     Checking ignore v0.4.5
Dec 18 09:06:13.007 INFO [stderr]     Checking indicatif v0.9.0
Dec 18 09:06:14.616 INFO [stderr]     Checking xcp v0.1.1-alpha.3 (/opt/crater/workdir)
Dec 18 09:06:22.016 INFO [stderr]     Checking serde_json v1.0.33
Dec 18 09:06:26.185 INFO [stderr]     Checking escargot v0.3.1
Dec 18 09:06:29.461 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:06:29.461 INFO [stderr]    --> src/os.rs:217:13
Dec 18 09:06:29.461 INFO [stderr]     |
Dec 18 09:06:29.461 INFO [stderr] 217 |             write!(fd, "{}", "test");
Dec 18 09:06:29.461 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:06:29.461 INFO [stderr]     |
Dec 18 09:06:29.461 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 09:06:29.461 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:06:29.461 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 09:06:29.461 INFO [stderr] 
Dec 18 09:06:29.462 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:06:29.462 INFO [stderr]    --> src/os.rs:233:13
Dec 18 09:06:29.462 INFO [stderr]     |
Dec 18 09:06:29.462 INFO [stderr] 233 |             write!(fd, "{}", data);
Dec 18 09:06:29.462 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:06:29.462 INFO [stderr]     |
Dec 18 09:06:29.462 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:06:29.462 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 09:06:29.462 INFO [stderr] 
Dec 18 09:06:29.463 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:06:29.463 INFO [stderr]    --> src/os.rs:265:13
Dec 18 09:06:29.463 INFO [stderr]     |
Dec 18 09:06:29.464 INFO [stderr] 265 |             write!(fd, "{}", data);
Dec 18 09:06:29.464 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:06:29.464 INFO [stderr]     |
Dec 18 09:06:29.464 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:06:29.465 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 09:06:29.465 INFO [stderr] 
Dec 18 09:06:29.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:06:29.466 INFO [stderr]    --> src/os.rs:308:13
Dec 18 09:06:29.466 INFO [stderr]     |
Dec 18 09:06:29.466 INFO [stderr] 308 |             write!(fd, "{}", data);
Dec 18 09:06:29.467 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:06:29.467 INFO [stderr]     |
Dec 18 09:06:29.467 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:06:29.468 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 09:06:29.468 INFO [stderr] 
Dec 18 09:06:29.469 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:06:29.469 INFO [stderr]    --> src/os.rs:344:13
Dec 18 09:06:29.469 INFO [stderr]     |
Dec 18 09:06:29.469 INFO [stderr] 344 |             write!(fd, "{}", data);
Dec 18 09:06:29.470 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:06:29.470 INFO [stderr]     |
Dec 18 09:06:29.470 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:06:29.470 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 09:06:29.471 INFO [stderr] 
Dec 18 09:06:29.471 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:06:29.471 INFO [stderr]    --> src/os.rs:347:13
Dec 18 09:06:29.471 INFO [stderr]     |
Dec 18 09:06:29.472 INFO [stderr] 347 |             write!(fd, "{}", data);
Dec 18 09:06:29.472 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:06:29.472 INFO [stderr]     |
Dec 18 09:06:29.473 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:06:29.473 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 09:06:29.473 INFO [stderr] 
Dec 18 09:06:29.473 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:06:29.474 INFO [stderr]    --> src/os.rs:350:13
Dec 18 09:06:29.474 INFO [stderr]     |
Dec 18 09:06:29.474 INFO [stderr] 350 |             write!(fd, "{}", data);
Dec 18 09:06:29.474 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:06:29.475 INFO [stderr]     |
Dec 18 09:06:29.475 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:06:29.475 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 09:06:29.475 INFO [stderr] 
Dec 18 09:06:29.618 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:06:29.618 INFO [stderr]   --> tests/lib.rs:51:5
Dec 18 09:06:29.618 INFO [stderr]    |
Dec 18 09:06:29.618 INFO [stderr] 51 |     write!(&file, "{}", text);
Dec 18 09:06:29.619 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:06:29.619 INFO [stderr]    |
Dec 18 09:06:29.619 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 09:06:29.619 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:06:29.620 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 09:06:29.620 INFO [stderr] 
Dec 18 09:06:29.620 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:06:29.621 INFO [stderr]   --> tests/lib.rs:79:5
Dec 18 09:06:29.621 INFO [stderr]    |
Dec 18 09:06:29.621 INFO [stderr] 79 |     write!(fd, "{}", data);
Dec 18 09:06:29.621 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:06:29.622 INFO [stderr]    |
Dec 18 09:06:29.622 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:06:29.622 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 09:06:29.622 INFO [stderr] 
Dec 18 09:06:29.623 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:06:29.623 INFO [stderr]   --> tests/lib.rs:82:5
Dec 18 09:06:29.623 INFO [stderr]    |
Dec 18 09:06:29.623 INFO [stderr] 82 |     write!(fd, "{}", data);
Dec 18 09:06:29.624 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:06:29.624 INFO [stderr]    |
Dec 18 09:06:29.624 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:06:29.624 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 09:06:29.625 INFO [stderr] 
Dec 18 09:06:29.625 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:06:29.625 INFO [stderr]   --> tests/lib.rs:85:5
Dec 18 09:06:29.625 INFO [stderr]    |
Dec 18 09:06:29.626 INFO [stderr] 85 |     write!(fd, "{}", data);
Dec 18 09:06:29.626 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:06:29.626 INFO [stderr]    |
Dec 18 09:06:29.627 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:06:29.627 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 09:06:29.627 INFO [stderr] 
Dec 18 09:06:29.669 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.73s
Dec 18 09:06:30.261 INFO running `"docker" "inspect" "5eaa6e67ac897edb69d1dca48499aa4abff79f820b86ae5b00eb0375f0aa5baf"`
Dec 18 09:06:30.448 INFO running `"docker" "rm" "-f" "5eaa6e67ac897edb69d1dca48499aa4abff79f820b86ae5b00eb0375f0aa5baf"`
Dec 18 09:06:30.743 INFO [stdout] 5eaa6e67ac897edb69d1dca48499aa4abff79f820b86ae5b00eb0375f0aa5baf