Dec 04 06:48:41.023 INFO checking xmarcux/mos against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 06:48:41.023 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 06:48:41.526 INFO [stdout] be239b3193e5c7f839c521e67c0e32dcea26e8716727f5696c87786fb0225d73
Dec 04 06:48:41.532 INFO running `"docker" "start" "-a" "be239b3193e5c7f839c521e67c0e32dcea26e8716727f5696c87786fb0225d73"`
Dec 04 06:48:43.658 INFO [stderr] usermod: no changes
Dec 04 06:48:43.743 INFO [stderr]     Checking mos v0.1.0 (/source)
Dec 04 06:48:44.123 INFO [stderr] warning: variable does not need to be mutable
Dec 04 06:48:44.123 INFO [stderr]   --> src/user.rs:23:13
Dec 04 06:48:44.123 INFO [stderr]    |
Dec 04 06:48:44.123 INFO [stderr] 23 |         let mut s_avail: &str;
Dec 04 06:48:44.123 INFO [stderr]    |             ----^^^^^^^
Dec 04 06:48:44.123 INFO [stderr]    |             |
Dec 04 06:48:44.123 INFO [stderr]    |             help: remove this `mut`
Dec 04 06:48:44.123 INFO [stderr]    |
Dec 04 06:48:44.123 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 06:48:44.123 INFO [stderr] 
Dec 04 06:48:44.126 INFO [stderr] warning: variant is never constructed: `Busy`
Dec 04 06:48:44.126 INFO [stderr]  --> src/user.rs:4:5
Dec 04 06:48:44.126 INFO [stderr]   |
Dec 04 06:48:44.126 INFO [stderr] 4 |     Busy,
Dec 04 06:48:44.126 INFO [stderr]   |     ^^^^
Dec 04 06:48:44.126 INFO [stderr]   |
Dec 04 06:48:44.126 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 06:48:44.126 INFO [stderr] 
Dec 04 06:48:44.126 INFO [stderr] warning: variant is never constructed: `VideoConference`
Dec 04 06:48:44.126 INFO [stderr]  --> src/user.rs:5:5
Dec 04 06:48:44.126 INFO [stderr]   |
Dec 04 06:48:44.126 INFO [stderr] 5 |     VideoConference,
Dec 04 06:48:44.126 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 06:48:44.126 INFO [stderr] 
Dec 04 06:48:44.126 INFO [stderr] warning: variant is never constructed: `OnThePhone`
Dec 04 06:48:44.126 INFO [stderr]  --> src/user.rs:6:5
Dec 04 06:48:44.126 INFO [stderr]   |
Dec 04 06:48:44.126 INFO [stderr] 6 |     OnThePhone,
Dec 04 06:48:44.126 INFO [stderr]   |     ^^^^^^^^^^
Dec 04 06:48:44.126 INFO [stderr] 
Dec 04 06:48:44.126 INFO [stderr] warning: variant is never constructed: `OutOfOffice`
Dec 04 06:48:44.126 INFO [stderr]  --> src/user.rs:7:5
Dec 04 06:48:44.126 INFO [stderr]   |
Dec 04 06:48:44.126 INFO [stderr] 7 |     OutOfOffice,
Dec 04 06:48:44.126 INFO [stderr]   |     ^^^^^^^^^^^
Dec 04 06:48:44.126 INFO [stderr] 
Dec 04 06:48:44.126 INFO [stderr] warning: variant is never constructed: `DoNotDesturb`
Dec 04 06:48:44.126 INFO [stderr]  --> src/user.rs:8:5
Dec 04 06:48:44.126 INFO [stderr]   |
Dec 04 06:48:44.126 INFO [stderr] 8 |     DoNotDesturb,
Dec 04 06:48:44.126 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 04 06:48:44.126 INFO [stderr] 
Dec 04 06:48:44.127 INFO [stderr] warning: method is never used: `from_frm_str`
Dec 04 06:48:44.127 INFO [stderr]   --> src/user.rs:43:5
Dec 04 06:48:44.127 INFO [stderr]    |
Dec 04 06:48:44.127 INFO [stderr] 43 |     pub fn from_frm_str(frm_str: String) -> User {
Dec 04 06:48:44.127 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:48:44.127 INFO [stderr] 
Dec 04 06:48:44.159 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:48:44.159 INFO [stderr]   --> src/main.rs:51:5
Dec 04 06:48:44.159 INFO [stderr]    |
Dec 04 06:48:44.159 INFO [stderr] 51 |     std::io::stdin().read_line(&mut u.nickname);
Dec 04 06:48:44.159 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:48:44.159 INFO [stderr]    |
Dec 04 06:48:44.159 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 06:48:44.159 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:48:44.159 INFO [stderr] 
Dec 04 06:48:44.159 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:48:44.159 INFO [stderr]   --> src/main.rs:55:5
Dec 04 06:48:44.159 INFO [stderr]    |
Dec 04 06:48:44.159 INFO [stderr] 55 |     std::io::stdin().read_line(&mut u.name);
Dec 04 06:48:44.159 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:48:44.159 INFO [stderr]    |
Dec 04 06:48:44.159 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:48:44.159 INFO [stderr] 
Dec 04 06:48:44.159 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:48:44.159 INFO [stderr]   --> src/main.rs:59:5
Dec 04 06:48:44.159 INFO [stderr]    |
Dec 04 06:48:44.159 INFO [stderr] 59 |     std::io::stdin().read_line(&mut u.surname);
Dec 04 06:48:44.159 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:48:44.159 INFO [stderr]    |
Dec 04 06:48:44.159 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:48:44.159 INFO [stderr] 
Dec 04 06:48:44.159 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:48:44.159 INFO [stderr]   --> src/main.rs:63:5
Dec 04 06:48:44.159 INFO [stderr]    |
Dec 04 06:48:44.159 INFO [stderr] 63 |     std::io::stdin().read_line(&mut u.profession);
Dec 04 06:48:44.159 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:48:44.159 INFO [stderr]    |
Dec 04 06:48:44.159 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:48:44.159 INFO [stderr] 
Dec 04 06:48:44.195 INFO [stderr] warning: variable does not need to be mutable
Dec 04 06:48:44.195 INFO [stderr]   --> src/user.rs:23:13
Dec 04 06:48:44.195 INFO [stderr]    |
Dec 04 06:48:44.195 INFO [stderr] 23 |         let mut s_avail: &str;
Dec 04 06:48:44.195 INFO [stderr]    |             ----^^^^^^^
Dec 04 06:48:44.195 INFO [stderr]    |             |
Dec 04 06:48:44.195 INFO [stderr]    |             help: remove this `mut`
Dec 04 06:48:44.195 INFO [stderr]    |
Dec 04 06:48:44.195 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 06:48:44.195 INFO [stderr] 
Dec 04 06:48:44.198 INFO [stderr] warning: variant is never constructed: `Busy`
Dec 04 06:48:44.198 INFO [stderr]  --> src/user.rs:4:5
Dec 04 06:48:44.198 INFO [stderr]   |
Dec 04 06:48:44.198 INFO [stderr] 4 |     Busy,
Dec 04 06:48:44.198 INFO [stderr]   |     ^^^^
Dec 04 06:48:44.198 INFO [stderr]   |
Dec 04 06:48:44.198 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 06:48:44.198 INFO [stderr] 
Dec 04 06:48:44.198 INFO [stderr] warning: variant is never constructed: `VideoConference`
Dec 04 06:48:44.198 INFO [stderr]  --> src/user.rs:5:5
Dec 04 06:48:44.198 INFO [stderr]   |
Dec 04 06:48:44.198 INFO [stderr] 5 |     VideoConference,
Dec 04 06:48:44.198 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 06:48:44.198 INFO [stderr] 
Dec 04 06:48:44.198 INFO [stderr] warning: variant is never constructed: `OnThePhone`
Dec 04 06:48:44.198 INFO [stderr]  --> src/user.rs:6:5
Dec 04 06:48:44.198 INFO [stderr]   |
Dec 04 06:48:44.198 INFO [stderr] 6 |     OnThePhone,
Dec 04 06:48:44.198 INFO [stderr]   |     ^^^^^^^^^^
Dec 04 06:48:44.198 INFO [stderr] 
Dec 04 06:48:44.198 INFO [stderr] warning: variant is never constructed: `OutOfOffice`
Dec 04 06:48:44.198 INFO [stderr]  --> src/user.rs:7:5
Dec 04 06:48:44.198 INFO [stderr]   |
Dec 04 06:48:44.198 INFO [stderr] 7 |     OutOfOffice,
Dec 04 06:48:44.198 INFO [stderr]   |     ^^^^^^^^^^^
Dec 04 06:48:44.198 INFO [stderr] 
Dec 04 06:48:44.198 INFO [stderr] warning: variant is never constructed: `DoNotDesturb`
Dec 04 06:48:44.198 INFO [stderr]  --> src/user.rs:8:5
Dec 04 06:48:44.198 INFO [stderr]   |
Dec 04 06:48:44.198 INFO [stderr] 8 |     DoNotDesturb,
Dec 04 06:48:44.198 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 04 06:48:44.198 INFO [stderr] 
Dec 04 06:48:44.199 INFO [stderr] warning: method is never used: `from_frm_str`
Dec 04 06:48:44.199 INFO [stderr]   --> src/user.rs:43:5
Dec 04 06:48:44.199 INFO [stderr]    |
Dec 04 06:48:44.199 INFO [stderr] 43 |     pub fn from_frm_str(frm_str: String) -> User {
Dec 04 06:48:44.199 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:48:44.199 INFO [stderr] 
Dec 04 06:48:44.228 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:48:44.228 INFO [stderr]   --> src/main.rs:51:5
Dec 04 06:48:44.228 INFO [stderr]    |
Dec 04 06:48:44.228 INFO [stderr] 51 |     std::io::stdin().read_line(&mut u.nickname);
Dec 04 06:48:44.228 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:48:44.228 INFO [stderr]    |
Dec 04 06:48:44.228 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 06:48:44.228 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:48:44.228 INFO [stderr] 
Dec 04 06:48:44.228 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:48:44.228 INFO [stderr]   --> src/main.rs:55:5
Dec 04 06:48:44.228 INFO [stderr]    |
Dec 04 06:48:44.228 INFO [stderr] 55 |     std::io::stdin().read_line(&mut u.name);
Dec 04 06:48:44.228 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:48:44.228 INFO [stderr]    |
Dec 04 06:48:44.228 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:48:44.228 INFO [stderr] 
Dec 04 06:48:44.229 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:48:44.229 INFO [stderr]   --> src/main.rs:59:5
Dec 04 06:48:44.229 INFO [stderr]    |
Dec 04 06:48:44.229 INFO [stderr] 59 |     std::io::stdin().read_line(&mut u.surname);
Dec 04 06:48:44.229 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:48:44.229 INFO [stderr]    |
Dec 04 06:48:44.229 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:48:44.229 INFO [stderr] 
Dec 04 06:48:44.229 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:48:44.229 INFO [stderr]   --> src/main.rs:63:5
Dec 04 06:48:44.229 INFO [stderr]    |
Dec 04 06:48:44.229 INFO [stderr] 63 |     std::io::stdin().read_line(&mut u.profession);
Dec 04 06:48:44.229 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:48:44.229 INFO [stderr]    |
Dec 04 06:48:44.229 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:48:44.229 INFO [stderr] 
Dec 04 06:48:44.267 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 04 06:48:44.267 INFO [stderr] su: No module specific data is present
Dec 04 06:48:45.118 INFO running `"docker" "inspect" "be239b3193e5c7f839c521e67c0e32dcea26e8716727f5696c87786fb0225d73"`
Dec 04 06:48:45.427 INFO running `"docker" "rm" "-f" "be239b3193e5c7f839c521e67c0e32dcea26e8716727f5696c87786fb0225d73"`
Dec 04 06:48:45.842 INFO [stdout] be239b3193e5c7f839c521e67c0e32dcea26e8716727f5696c87786fb0225d73