Dec 17 11:40:17.823 INFO checking xmarcux/mos against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 11:40:17.823 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/xmarcux/mos:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 11:40:18.316 INFO [stdout] 49d0a00b07a3738dea82f7bafe6aef60411dcc1b2ddb88d179647e3f7ea58a9b
Dec 17 11:40:18.324 INFO running `"docker" "start" "-a" "49d0a00b07a3738dea82f7bafe6aef60411dcc1b2ddb88d179647e3f7ea58a9b"`
Dec 17 11:40:20.308 INFO [stderr]     Checking mos v0.1.0 (/opt/crater/workdir)
Dec 17 11:40:20.556 INFO [stderr] warning: variable does not need to be mutable
Dec 17 11:40:20.556 INFO [stderr]   --> src/user.rs:23:13
Dec 17 11:40:20.556 INFO [stderr]    |
Dec 17 11:40:20.556 INFO [stderr] 23 |         let mut s_avail: &str;
Dec 17 11:40:20.556 INFO [stderr]    |             ----^^^^^^^
Dec 17 11:40:20.556 INFO [stderr]    |             |
Dec 17 11:40:20.556 INFO [stderr]    |             help: remove this `mut`
Dec 17 11:40:20.556 INFO [stderr]    |
Dec 17 11:40:20.556 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 11:40:20.556 INFO [stderr] 
Dec 17 11:40:20.564 INFO [stderr] warning: variant is never constructed: `Busy`
Dec 17 11:40:20.564 INFO [stderr]  --> src/user.rs:4:5
Dec 17 11:40:20.564 INFO [stderr]   |
Dec 17 11:40:20.564 INFO [stderr] 4 |     Busy,
Dec 17 11:40:20.564 INFO [stderr]   |     ^^^^
Dec 17 11:40:20.564 INFO [stderr]   |
Dec 17 11:40:20.564 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 11:40:20.564 INFO [stderr] 
Dec 17 11:40:20.564 INFO [stderr] warning: variant is never constructed: `VideoConference`
Dec 17 11:40:20.564 INFO [stderr]  --> src/user.rs:5:5
Dec 17 11:40:20.564 INFO [stderr]   |
Dec 17 11:40:20.565 INFO [stderr] 5 |     VideoConference,
Dec 17 11:40:20.565 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 17 11:40:20.565 INFO [stderr] 
Dec 17 11:40:20.565 INFO [stderr] warning: variant is never constructed: `OnThePhone`
Dec 17 11:40:20.565 INFO [stderr]  --> src/user.rs:6:5
Dec 17 11:40:20.565 INFO [stderr]   |
Dec 17 11:40:20.565 INFO [stderr] 6 |     OnThePhone,
Dec 17 11:40:20.565 INFO [stderr]   |     ^^^^^^^^^^
Dec 17 11:40:20.565 INFO [stderr] 
Dec 17 11:40:20.565 INFO [stderr] warning: variant is never constructed: `OutOfOffice`
Dec 17 11:40:20.565 INFO [stderr]  --> src/user.rs:7:5
Dec 17 11:40:20.565 INFO [stderr]   |
Dec 17 11:40:20.565 INFO [stderr] 7 |     OutOfOffice,
Dec 17 11:40:20.565 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 11:40:20.565 INFO [stderr] 
Dec 17 11:40:20.565 INFO [stderr] warning: variant is never constructed: `DoNotDesturb`
Dec 17 11:40:20.565 INFO [stderr]  --> src/user.rs:8:5
Dec 17 11:40:20.565 INFO [stderr]   |
Dec 17 11:40:20.565 INFO [stderr] 8 |     DoNotDesturb,
Dec 17 11:40:20.565 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 17 11:40:20.565 INFO [stderr] 
Dec 17 11:40:20.565 INFO [stderr] warning: method is never used: `from_frm_str`
Dec 17 11:40:20.565 INFO [stderr]   --> src/user.rs:43:5
Dec 17 11:40:20.565 INFO [stderr]    |
Dec 17 11:40:20.565 INFO [stderr] 43 |     pub fn from_frm_str(frm_str: String) -> User {
Dec 17 11:40:20.565 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:40:20.565 INFO [stderr] 
Dec 17 11:40:20.586 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 11:40:20.586 INFO [stderr]   --> src/main.rs:51:5
Dec 17 11:40:20.586 INFO [stderr]    |
Dec 17 11:40:20.586 INFO [stderr] 51 |     std::io::stdin().read_line(&mut u.nickname);
Dec 17 11:40:20.586 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:40:20.586 INFO [stderr]    |
Dec 17 11:40:20.586 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 11:40:20.586 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 11:40:20.586 INFO [stderr] 
Dec 17 11:40:20.586 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 11:40:20.586 INFO [stderr]   --> src/main.rs:55:5
Dec 17 11:40:20.586 INFO [stderr]    |
Dec 17 11:40:20.586 INFO [stderr] 55 |     std::io::stdin().read_line(&mut u.name);
Dec 17 11:40:20.586 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:40:20.586 INFO [stderr]    |
Dec 17 11:40:20.586 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 11:40:20.586 INFO [stderr] 
Dec 17 11:40:20.586 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 11:40:20.586 INFO [stderr]   --> src/main.rs:59:5
Dec 17 11:40:20.586 INFO [stderr]    |
Dec 17 11:40:20.586 INFO [stderr] 59 |     std::io::stdin().read_line(&mut u.surname);
Dec 17 11:40:20.586 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:40:20.586 INFO [stderr]    |
Dec 17 11:40:20.586 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 11:40:20.586 INFO [stderr] 
Dec 17 11:40:20.586 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 11:40:20.586 INFO [stderr]   --> src/main.rs:63:5
Dec 17 11:40:20.586 INFO [stderr]    |
Dec 17 11:40:20.586 INFO [stderr] 63 |     std::io::stdin().read_line(&mut u.profession);
Dec 17 11:40:20.586 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:40:20.586 INFO [stderr]    |
Dec 17 11:40:20.586 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 11:40:20.586 INFO [stderr] 
Dec 17 11:40:20.684 INFO [stderr] warning: variable does not need to be mutable
Dec 17 11:40:20.684 INFO [stderr]   --> src/user.rs:23:13
Dec 17 11:40:20.684 INFO [stderr]    |
Dec 17 11:40:20.684 INFO [stderr] 23 |         let mut s_avail: &str;
Dec 17 11:40:20.684 INFO [stderr]    |             ----^^^^^^^
Dec 17 11:40:20.684 INFO [stderr]    |             |
Dec 17 11:40:20.684 INFO [stderr]    |             help: remove this `mut`
Dec 17 11:40:20.684 INFO [stderr]    |
Dec 17 11:40:20.684 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 11:40:20.684 INFO [stderr] 
Dec 17 11:40:20.688 INFO [stderr] warning: variant is never constructed: `Busy`
Dec 17 11:40:20.688 INFO [stderr]  --> src/user.rs:4:5
Dec 17 11:40:20.688 INFO [stderr]   |
Dec 17 11:40:20.688 INFO [stderr] 4 |     Busy,
Dec 17 11:40:20.688 INFO [stderr]   |     ^^^^
Dec 17 11:40:20.688 INFO [stderr]   |
Dec 17 11:40:20.688 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 11:40:20.688 INFO [stderr] 
Dec 17 11:40:20.688 INFO [stderr] warning: variant is never constructed: `VideoConference`
Dec 17 11:40:20.688 INFO [stderr]  --> src/user.rs:5:5
Dec 17 11:40:20.688 INFO [stderr]   |
Dec 17 11:40:20.688 INFO [stderr] 5 |     VideoConference,
Dec 17 11:40:20.688 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 17 11:40:20.688 INFO [stderr] 
Dec 17 11:40:20.688 INFO [stderr] warning: variant is never constructed: `OnThePhone`
Dec 17 11:40:20.688 INFO [stderr]  --> src/user.rs:6:5
Dec 17 11:40:20.688 INFO [stderr]   |
Dec 17 11:40:20.688 INFO [stderr] 6 |     OnThePhone,
Dec 17 11:40:20.688 INFO [stderr]   |     ^^^^^^^^^^
Dec 17 11:40:20.688 INFO [stderr] 
Dec 17 11:40:20.689 INFO [stderr] warning: variant is never constructed: `OutOfOffice`
Dec 17 11:40:20.689 INFO [stderr]  --> src/user.rs:7:5
Dec 17 11:40:20.689 INFO [stderr]   |
Dec 17 11:40:20.689 INFO [stderr] 7 |     OutOfOffice,
Dec 17 11:40:20.689 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 11:40:20.689 INFO [stderr] 
Dec 17 11:40:20.689 INFO [stderr] warning: variant is never constructed: `DoNotDesturb`
Dec 17 11:40:20.689 INFO [stderr]  --> src/user.rs:8:5
Dec 17 11:40:20.689 INFO [stderr]   |
Dec 17 11:40:20.689 INFO [stderr] 8 |     DoNotDesturb,
Dec 17 11:40:20.689 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 17 11:40:20.689 INFO [stderr] 
Dec 17 11:40:20.689 INFO [stderr] warning: method is never used: `from_frm_str`
Dec 17 11:40:20.689 INFO [stderr]   --> src/user.rs:43:5
Dec 17 11:40:20.689 INFO [stderr]    |
Dec 17 11:40:20.689 INFO [stderr] 43 |     pub fn from_frm_str(frm_str: String) -> User {
Dec 17 11:40:20.689 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:40:20.689 INFO [stderr] 
Dec 17 11:40:20.701 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 11:40:20.701 INFO [stderr]   --> src/main.rs:51:5
Dec 17 11:40:20.701 INFO [stderr]    |
Dec 17 11:40:20.701 INFO [stderr] 51 |     std::io::stdin().read_line(&mut u.nickname);
Dec 17 11:40:20.701 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:40:20.701 INFO [stderr]    |
Dec 17 11:40:20.701 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 11:40:20.701 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 11:40:20.701 INFO [stderr] 
Dec 17 11:40:20.701 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 11:40:20.701 INFO [stderr]   --> src/main.rs:55:5
Dec 17 11:40:20.701 INFO [stderr]    |
Dec 17 11:40:20.701 INFO [stderr] 55 |     std::io::stdin().read_line(&mut u.name);
Dec 17 11:40:20.701 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:40:20.701 INFO [stderr]    |
Dec 17 11:40:20.701 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 11:40:20.701 INFO [stderr] 
Dec 17 11:40:20.701 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 11:40:20.701 INFO [stderr]   --> src/main.rs:59:5
Dec 17 11:40:20.701 INFO [stderr]    |
Dec 17 11:40:20.701 INFO [stderr] 59 |     std::io::stdin().read_line(&mut u.surname);
Dec 17 11:40:20.701 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:40:20.701 INFO [stderr]    |
Dec 17 11:40:20.701 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 11:40:20.701 INFO [stderr] 
Dec 17 11:40:20.702 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 11:40:20.702 INFO [stderr]   --> src/main.rs:63:5
Dec 17 11:40:20.702 INFO [stderr]    |
Dec 17 11:40:20.702 INFO [stderr] 63 |     std::io::stdin().read_line(&mut u.profession);
Dec 17 11:40:20.702 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:40:20.702 INFO [stderr]    |
Dec 17 11:40:20.702 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 11:40:20.702 INFO [stderr] 
Dec 17 11:40:20.729 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Dec 17 11:40:21.550 INFO running `"docker" "inspect" "49d0a00b07a3738dea82f7bafe6aef60411dcc1b2ddb88d179647e3f7ea58a9b"`
Dec 17 11:40:21.770 INFO running `"docker" "rm" "-f" "49d0a00b07a3738dea82f7bafe6aef60411dcc1b2ddb88d179647e3f7ea58a9b"`
Dec 17 11:40:22.016 INFO [stdout] 49d0a00b07a3738dea82f7bafe6aef60411dcc1b2ddb88d179647e3f7ea58a9b