Dec 04 23:46:51.207 INFO checking ThomasHertleif/cluster-heist against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 23:46:51.207 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 23:46:51.696 INFO [stdout] 0a229a841866527e5ac75164a9269067a989104542e0dc0e014d8c03c253504f
Dec 04 23:46:51.698 INFO running `"docker" "start" "-a" "0a229a841866527e5ac75164a9269067a989104542e0dc0e014d8c03c253504f"`
Dec 04 23:46:52.691 INFO [stderr] usermod: no changes
Dec 04 23:46:52.923 INFO [stderr]     Checking inotify v0.3.0
Dec 04 23:46:52.923 INFO [stderr]     Checking net2 v0.2.32
Dec 04 23:46:52.923 INFO [stderr]     Checking filetime v0.1.15
Dec 04 23:46:52.924 INFO [stderr]     Checking nix v0.5.1
Dec 04 23:46:52.939 INFO [stderr]     Checking simple-server v0.3.0
Dec 04 23:46:52.939 INFO [stderr]     Checking env_logger v0.3.5
Dec 04 23:46:55.775 INFO [stderr]     Checking miow v0.1.5
Dec 04 23:46:57.995 INFO [stderr]     Checking mio v0.5.1
Dec 04 23:46:59.338 INFO [stderr]     Checking notify v4.0.3
Dec 04 23:47:00.884 INFO [stderr]     Checking cluster-heist v0.1.0 (/source)
Dec 04 23:47:03.243 INFO [stderr] warning: unused import: `DirEntry`
Dec 04 23:47:03.243 INFO [stderr]   --> src/main.rs:60:25
Dec 04 23:47:03.243 INFO [stderr]    |
Dec 04 23:47:03.243 INFO [stderr] 60 |     use std::fs::{self, DirEntry};
Dec 04 23:47:03.243 INFO [stderr]    |                         ^^^^^^^^
Dec 04 23:47:03.243 INFO [stderr]    |
Dec 04 23:47:03.243 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 23:47:03.243 INFO [stderr] 
Dec 04 23:47:03.343 INFO [stderr] warning: unused import: `DirEntry`
Dec 04 23:47:03.343 INFO [stderr]   --> src/main.rs:60:25
Dec 04 23:47:03.343 INFO [stderr]    |
Dec 04 23:47:03.343 INFO [stderr] 60 |     use std::fs::{self, DirEntry};
Dec 04 23:47:03.343 INFO [stderr]    |                         ^^^^^^^^
Dec 04 23:47:03.343 INFO [stderr]    |
Dec 04 23:47:03.343 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 23:47:03.343 INFO [stderr] 
Dec 04 23:47:03.415 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:47:03.415 INFO [stderr]   --> src/main.rs:56:5
Dec 04 23:47:03.415 INFO [stderr]    |
Dec 04 23:47:03.415 INFO [stderr] 56 |     t.join();
Dec 04 23:47:03.415 INFO [stderr]    |     ^^^^^^^^^
Dec 04 23:47:03.427 INFO [stderr]    |
Dec 04 23:47:03.427 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 23:47:03.427 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:47:03.427 INFO [stderr] 
Dec 04 23:47:03.556 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:47:03.556 INFO [stderr]   --> src/main.rs:56:5
Dec 04 23:47:03.556 INFO [stderr]    |
Dec 04 23:47:03.556 INFO [stderr] 56 |     t.join();
Dec 04 23:47:03.556 INFO [stderr]    |     ^^^^^^^^^
Dec 04 23:47:03.556 INFO [stderr]    |
Dec 04 23:47:03.556 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 23:47:03.556 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:47:03.556 INFO [stderr] 
Dec 04 23:47:03.584 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.86s
Dec 04 23:47:03.599 INFO [stderr] su: No module specific data is present
Dec 04 23:47:04.611 INFO running `"docker" "inspect" "0a229a841866527e5ac75164a9269067a989104542e0dc0e014d8c03c253504f"`
Dec 04 23:47:04.913 INFO running `"docker" "rm" "-f" "0a229a841866527e5ac75164a9269067a989104542e0dc0e014d8c03c253504f"`
Dec 04 23:47:05.242 INFO [stdout] 0a229a841866527e5ac75164a9269067a989104542e0dc0e014d8c03c253504f