Dec 19 05:16:56.792 INFO checking xmarcux/mos against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 05:16:56.792 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:16:57.244 INFO [stdout] 556508a8f76cab47bd6eeec6fd6e11dbcc2414ea529d6fb7f61f65c54def8191
Dec 19 05:16:57.251 INFO running `"docker" "start" "-a" "556508a8f76cab47bd6eeec6fd6e11dbcc2414ea529d6fb7f61f65c54def8191"`
Dec 19 05:16:58.980 INFO [stderr]     Checking mos v0.1.0 (/opt/crater/workdir)
Dec 19 05:16:59.352 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:16:59.352 INFO [stderr]   --> src/user.rs:23:13
Dec 19 05:16:59.352 INFO [stderr]    |
Dec 19 05:16:59.352 INFO [stderr] 23 |         let mut s_avail: &str;
Dec 19 05:16:59.352 INFO [stderr]    |             ----^^^^^^^
Dec 19 05:16:59.352 INFO [stderr]    |             |
Dec 19 05:16:59.352 INFO [stderr]    |             help: remove this `mut`
Dec 19 05:16:59.352 INFO [stderr]    |
Dec 19 05:16:59.352 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 05:16:59.352 INFO [stderr] 
Dec 19 05:16:59.364 INFO [stderr] warning: variant is never constructed: `Busy`
Dec 19 05:16:59.364 INFO [stderr]  --> src/user.rs:4:5
Dec 19 05:16:59.364 INFO [stderr]   |
Dec 19 05:16:59.364 INFO [stderr] 4 |     Busy,
Dec 19 05:16:59.364 INFO [stderr]   |     ^^^^
Dec 19 05:16:59.364 INFO [stderr]   |
Dec 19 05:16:59.364 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 05:16:59.364 INFO [stderr] 
Dec 19 05:16:59.364 INFO [stderr] warning: variant is never constructed: `VideoConference`
Dec 19 05:16:59.364 INFO [stderr]  --> src/user.rs:5:5
Dec 19 05:16:59.364 INFO [stderr]   |
Dec 19 05:16:59.364 INFO [stderr] 5 |     VideoConference,
Dec 19 05:16:59.364 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 05:16:59.364 INFO [stderr] 
Dec 19 05:16:59.364 INFO [stderr] warning: variant is never constructed: `OnThePhone`
Dec 19 05:16:59.364 INFO [stderr]  --> src/user.rs:6:5
Dec 19 05:16:59.364 INFO [stderr]   |
Dec 19 05:16:59.364 INFO [stderr] 6 |     OnThePhone,
Dec 19 05:16:59.364 INFO [stderr]   |     ^^^^^^^^^^
Dec 19 05:16:59.364 INFO [stderr] 
Dec 19 05:16:59.364 INFO [stderr] warning: variant is never constructed: `OutOfOffice`
Dec 19 05:16:59.364 INFO [stderr]  --> src/user.rs:7:5
Dec 19 05:16:59.364 INFO [stderr]   |
Dec 19 05:16:59.364 INFO [stderr] 7 |     OutOfOffice,
Dec 19 05:16:59.364 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 05:16:59.364 INFO [stderr] 
Dec 19 05:16:59.364 INFO [stderr] warning: variant is never constructed: `DoNotDesturb`
Dec 19 05:16:59.364 INFO [stderr]  --> src/user.rs:8:5
Dec 19 05:16:59.364 INFO [stderr]   |
Dec 19 05:16:59.364 INFO [stderr] 8 |     DoNotDesturb,
Dec 19 05:16:59.364 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 19 05:16:59.364 INFO [stderr] 
Dec 19 05:16:59.364 INFO [stderr] warning: method is never used: `from_frm_str`
Dec 19 05:16:59.364 INFO [stderr]   --> src/user.rs:43:5
Dec 19 05:16:59.364 INFO [stderr]    |
Dec 19 05:16:59.364 INFO [stderr] 43 |     pub fn from_frm_str(frm_str: String) -> User {
Dec 19 05:16:59.364 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:16:59.364 INFO [stderr] 
Dec 19 05:16:59.385 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 05:16:59.387 INFO [stderr]   --> src/main.rs:51:5
Dec 19 05:16:59.387 INFO [stderr]    |
Dec 19 05:16:59.387 INFO [stderr] 51 |     std::io::stdin().read_line(&mut u.nickname);
Dec 19 05:16:59.387 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:16:59.387 INFO [stderr]    |
Dec 19 05:16:59.387 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 05:16:59.387 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 05:16:59.387 INFO [stderr] 
Dec 19 05:16:59.387 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 05:16:59.387 INFO [stderr]   --> src/main.rs:55:5
Dec 19 05:16:59.387 INFO [stderr]    |
Dec 19 05:16:59.387 INFO [stderr] 55 |     std::io::stdin().read_line(&mut u.name);
Dec 19 05:16:59.387 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:16:59.387 INFO [stderr]    |
Dec 19 05:16:59.387 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 05:16:59.387 INFO [stderr] 
Dec 19 05:16:59.387 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 05:16:59.387 INFO [stderr]   --> src/main.rs:59:5
Dec 19 05:16:59.387 INFO [stderr]    |
Dec 19 05:16:59.387 INFO [stderr] 59 |     std::io::stdin().read_line(&mut u.surname);
Dec 19 05:16:59.387 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:16:59.387 INFO [stderr]    |
Dec 19 05:16:59.387 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 05:16:59.387 INFO [stderr] 
Dec 19 05:16:59.392 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 05:16:59.392 INFO [stderr]   --> src/main.rs:63:5
Dec 19 05:16:59.392 INFO [stderr]    |
Dec 19 05:16:59.392 INFO [stderr] 63 |     std::io::stdin().read_line(&mut u.profession);
Dec 19 05:16:59.392 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:16:59.392 INFO [stderr]    |
Dec 19 05:16:59.392 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 05:16:59.392 INFO [stderr] 
Dec 19 05:16:59.408 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:16:59.408 INFO [stderr]   --> src/user.rs:23:13
Dec 19 05:16:59.408 INFO [stderr]    |
Dec 19 05:16:59.408 INFO [stderr] 23 |         let mut s_avail: &str;
Dec 19 05:16:59.408 INFO [stderr]    |             ----^^^^^^^
Dec 19 05:16:59.408 INFO [stderr]    |             |
Dec 19 05:16:59.408 INFO [stderr]    |             help: remove this `mut`
Dec 19 05:16:59.408 INFO [stderr]    |
Dec 19 05:16:59.408 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 05:16:59.408 INFO [stderr] 
Dec 19 05:16:59.411 INFO [stderr] warning: variant is never constructed: `Busy`
Dec 19 05:16:59.411 INFO [stderr]  --> src/user.rs:4:5
Dec 19 05:16:59.411 INFO [stderr]   |
Dec 19 05:16:59.411 INFO [stderr] 4 |     Busy,
Dec 19 05:16:59.411 INFO [stderr]   |     ^^^^
Dec 19 05:16:59.411 INFO [stderr]   |
Dec 19 05:16:59.411 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 05:16:59.411 INFO [stderr] 
Dec 19 05:16:59.411 INFO [stderr] warning: variant is never constructed: `VideoConference`
Dec 19 05:16:59.411 INFO [stderr]  --> src/user.rs:5:5
Dec 19 05:16:59.411 INFO [stderr]   |
Dec 19 05:16:59.411 INFO [stderr] 5 |     VideoConference,
Dec 19 05:16:59.411 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 05:16:59.411 INFO [stderr] 
Dec 19 05:16:59.411 INFO [stderr] warning: variant is never constructed: `OnThePhone`
Dec 19 05:16:59.411 INFO [stderr]  --> src/user.rs:6:5
Dec 19 05:16:59.411 INFO [stderr]   |
Dec 19 05:16:59.411 INFO [stderr] 6 |     OnThePhone,
Dec 19 05:16:59.411 INFO [stderr]   |     ^^^^^^^^^^
Dec 19 05:16:59.411 INFO [stderr] 
Dec 19 05:16:59.411 INFO [stderr] warning: variant is never constructed: `OutOfOffice`
Dec 19 05:16:59.411 INFO [stderr]  --> src/user.rs:7:5
Dec 19 05:16:59.411 INFO [stderr]   |
Dec 19 05:16:59.411 INFO [stderr] 7 |     OutOfOffice,
Dec 19 05:16:59.411 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 05:16:59.411 INFO [stderr] 
Dec 19 05:16:59.411 INFO [stderr] warning: variant is never constructed: `DoNotDesturb`
Dec 19 05:16:59.411 INFO [stderr]  --> src/user.rs:8:5
Dec 19 05:16:59.411 INFO [stderr]   |
Dec 19 05:16:59.411 INFO [stderr] 8 |     DoNotDesturb,
Dec 19 05:16:59.411 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 19 05:16:59.411 INFO [stderr] 
Dec 19 05:16:59.411 INFO [stderr] warning: method is never used: `from_frm_str`
Dec 19 05:16:59.411 INFO [stderr]   --> src/user.rs:43:5
Dec 19 05:16:59.411 INFO [stderr]    |
Dec 19 05:16:59.411 INFO [stderr] 43 |     pub fn from_frm_str(frm_str: String) -> User {
Dec 19 05:16:59.411 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:16:59.411 INFO [stderr] 
Dec 19 05:16:59.444 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 05:16:59.444 INFO [stderr]   --> src/main.rs:51:5
Dec 19 05:16:59.444 INFO [stderr]    |
Dec 19 05:16:59.444 INFO [stderr] 51 |     std::io::stdin().read_line(&mut u.nickname);
Dec 19 05:16:59.444 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:16:59.444 INFO [stderr]    |
Dec 19 05:16:59.444 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 05:16:59.444 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 05:16:59.444 INFO [stderr] 
Dec 19 05:16:59.444 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 05:16:59.444 INFO [stderr]   --> src/main.rs:55:5
Dec 19 05:16:59.444 INFO [stderr]    |
Dec 19 05:16:59.444 INFO [stderr] 55 |     std::io::stdin().read_line(&mut u.name);
Dec 19 05:16:59.444 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:16:59.444 INFO [stderr]    |
Dec 19 05:16:59.444 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 05:16:59.444 INFO [stderr] 
Dec 19 05:16:59.445 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 05:16:59.445 INFO [stderr]   --> src/main.rs:59:5
Dec 19 05:16:59.445 INFO [stderr]    |
Dec 19 05:16:59.445 INFO [stderr] 59 |     std::io::stdin().read_line(&mut u.surname);
Dec 19 05:16:59.445 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:16:59.445 INFO [stderr]    |
Dec 19 05:16:59.445 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 05:16:59.445 INFO [stderr] 
Dec 19 05:16:59.445 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 05:16:59.445 INFO [stderr]   --> src/main.rs:63:5
Dec 19 05:16:59.445 INFO [stderr]    |
Dec 19 05:16:59.445 INFO [stderr] 63 |     std::io::stdin().read_line(&mut u.profession);
Dec 19 05:16:59.445 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:16:59.445 INFO [stderr]    |
Dec 19 05:16:59.445 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 05:16:59.445 INFO [stderr] 
Dec 19 05:16:59.476 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Dec 19 05:17:00.272 INFO running `"docker" "inspect" "556508a8f76cab47bd6eeec6fd6e11dbcc2414ea529d6fb7f61f65c54def8191"`
Dec 19 05:17:00.600 INFO running `"docker" "rm" "-f" "556508a8f76cab47bd6eeec6fd6e11dbcc2414ea529d6fb7f61f65c54def8191"`
Dec 19 05:17:00.808 INFO [stdout] 556508a8f76cab47bd6eeec6fd6e11dbcc2414ea529d6fb7f61f65c54def8191