Dec 12 04:38:45.856 INFO checking xcp-0.1.1-alpha.3 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 04:38:45.856 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 04:38:46.072 INFO [stdout] 82a047ce8c90ff85012802a6229e5d30dc38b9c9666e9ac40e92a497df79b969
Dec 12 04:38:46.072 INFO running `"docker" "start" "-a" "82a047ce8c90ff85012802a6229e5d30dc38b9c9666e9ac40e92a497df79b969"`
Dec 12 04:38:46.582 INFO [stderr] usermod: no changes
Dec 12 04:38:46.798 INFO [stderr]    Compiling serde v1.0.82
Dec 12 04:38:46.801 INFO [stderr]     Checking crossbeam-utils v0.6.3
Dec 12 04:38:46.807 INFO [stderr]     Checking termios v0.3.1
Dec 12 04:38:46.807 INFO [stderr]     Checking clicolors-control v0.3.1
Dec 12 04:38:46.808 INFO [stderr]     Checking simplelog v0.5.3
Dec 12 04:38:46.812 INFO [stderr]     Checking structopt v0.2.14
Dec 12 04:38:46.812 INFO [stderr]     Checking globset v0.4.2
Dec 12 04:38:46.812 INFO [stderr]     Checking parking_lot_core v0.4.0
Dec 12 04:38:48.096 INFO [stderr]     Checking tempfile v3.0.5
Dec 12 04:38:48.096 INFO [stderr]     Checking crossbeam-epoch v0.6.1
Dec 12 04:38:50.712 INFO [stderr]     Checking parking_lot v0.7.0
Dec 12 04:38:51.212 INFO [stderr]     Checking crossbeam-channel v0.2.6
Dec 12 04:38:53.551 INFO [stderr]     Checking console v0.7.1
Dec 12 04:38:54.339 INFO [stderr]     Checking ignore v0.4.4
Dec 12 04:38:57.426 INFO [stderr]     Checking indicatif v0.9.0
Dec 12 04:39:02.395 INFO [stderr]     Checking xcp v0.1.1-alpha.3 (/source)
Dec 12 04:39:06.691 INFO [stderr]     Checking serde_json v1.0.33
Dec 12 04:39:11.498 INFO [stderr]     Checking escargot v0.3.1
Dec 12 04:39:16.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:39:16.360 INFO [stderr]   --> tests/lib.rs:51:5
Dec 12 04:39:16.360 INFO [stderr]    |
Dec 12 04:39:16.360 INFO [stderr] 51 |     write!(&file, "{}", text);
Dec 12 04:39:16.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:39:16.360 INFO [stderr]    |
Dec 12 04:39:16.360 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 04:39:16.360 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:39:16.360 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 12 04:39:16.360 INFO [stderr] 
Dec 12 04:39:16.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:39:16.360 INFO [stderr]   --> tests/lib.rs:79:5
Dec 12 04:39:16.360 INFO [stderr]    |
Dec 12 04:39:16.360 INFO [stderr] 79 |     write!(fd, "{}", data);
Dec 12 04:39:16.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:39:16.360 INFO [stderr]    |
Dec 12 04:39:16.360 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:39:16.360 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 12 04:39:16.360 INFO [stderr] 
Dec 12 04:39:16.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:39:16.360 INFO [stderr]   --> tests/lib.rs:82:5
Dec 12 04:39:16.360 INFO [stderr]    |
Dec 12 04:39:16.360 INFO [stderr] 82 |     write!(fd, "{}", data);
Dec 12 04:39:16.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:39:16.360 INFO [stderr]    |
Dec 12 04:39:16.360 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:39:16.360 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 12 04:39:16.360 INFO [stderr] 
Dec 12 04:39:16.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:39:16.360 INFO [stderr]   --> tests/lib.rs:85:5
Dec 12 04:39:16.360 INFO [stderr]    |
Dec 12 04:39:16.360 INFO [stderr] 85 |     write!(fd, "{}", data);
Dec 12 04:39:16.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:39:16.360 INFO [stderr]    |
Dec 12 04:39:16.360 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:39:16.360 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 12 04:39:16.360 INFO [stderr] 
Dec 12 04:39:18.790 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:39:18.790 INFO [stderr]    --> src/os.rs:217:13
Dec 12 04:39:18.790 INFO [stderr]     |
Dec 12 04:39:18.791 INFO [stderr] 217 |             write!(fd, "{}", "test");
Dec 12 04:39:18.791 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:39:18.791 INFO [stderr]     |
Dec 12 04:39:18.792 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 04:39:18.792 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:39:18.792 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 12 04:39:18.793 INFO [stderr] 
Dec 12 04:39:18.794 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:39:18.794 INFO [stderr]    --> src/os.rs:233:13
Dec 12 04:39:18.794 INFO [stderr]     |
Dec 12 04:39:18.795 INFO [stderr] 233 |             write!(fd, "{}", data);
Dec 12 04:39:18.795 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:39:18.795 INFO [stderr]     |
Dec 12 04:39:18.796 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:39:18.796 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 12 04:39:18.796 INFO [stderr] 
Dec 12 04:39:18.797 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:39:18.797 INFO [stderr]    --> src/os.rs:265:13
Dec 12 04:39:18.798 INFO [stderr]     |
Dec 12 04:39:18.798 INFO [stderr] 265 |             write!(fd, "{}", data);
Dec 12 04:39:18.798 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:39:18.799 INFO [stderr]     |
Dec 12 04:39:18.799 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:39:18.800 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 12 04:39:18.800 INFO [stderr] 
Dec 12 04:39:18.801 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:39:18.801 INFO [stderr]    --> src/os.rs:308:13
Dec 12 04:39:18.801 INFO [stderr]     |
Dec 12 04:39:18.802 INFO [stderr] 308 |             write!(fd, "{}", data);
Dec 12 04:39:18.802 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:39:18.802 INFO [stderr]     |
Dec 12 04:39:18.803 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:39:18.803 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 12 04:39:18.803 INFO [stderr] 
Dec 12 04:39:18.805 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:39:18.805 INFO [stderr]    --> src/os.rs:344:13
Dec 12 04:39:18.805 INFO [stderr]     |
Dec 12 04:39:18.805 INFO [stderr] 344 |             write!(fd, "{}", data);
Dec 12 04:39:18.805 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:39:18.805 INFO [stderr]     |
Dec 12 04:39:18.805 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:39:18.805 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 12 04:39:18.805 INFO [stderr] 
Dec 12 04:39:18.805 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:39:18.805 INFO [stderr]    --> src/os.rs:347:13
Dec 12 04:39:18.805 INFO [stderr]     |
Dec 12 04:39:18.805 INFO [stderr] 347 |             write!(fd, "{}", data);
Dec 12 04:39:18.805 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:39:18.805 INFO [stderr]     |
Dec 12 04:39:18.805 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:39:18.805 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 12 04:39:18.805 INFO [stderr] 
Dec 12 04:39:18.806 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:39:18.806 INFO [stderr]    --> src/os.rs:350:13
Dec 12 04:39:18.806 INFO [stderr]     |
Dec 12 04:39:18.806 INFO [stderr] 350 |             write!(fd, "{}", data);
Dec 12 04:39:18.806 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:39:18.806 INFO [stderr]     |
Dec 12 04:39:18.806 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:39:18.807 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 12 04:39:18.807 INFO [stderr] 
Dec 12 04:39:18.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.24s
Dec 12 04:39:18.852 INFO [stderr] su: No module specific data is present
Dec 12 04:39:19.839 INFO running `"docker" "inspect" "82a047ce8c90ff85012802a6229e5d30dc38b9c9666e9ac40e92a497df79b969"`
Dec 12 04:39:20.064 INFO running `"docker" "rm" "-f" "82a047ce8c90ff85012802a6229e5d30dc38b9c9666e9ac40e92a497df79b969"`
Dec 12 04:39:20.308 INFO [stdout] 82a047ce8c90ff85012802a6229e5d30dc38b9c9666e9ac40e92a497df79b969