Oct 12 10:31:45.159 INFO checking xmarcux/mos against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 10:31:45.161 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 10:31:45.619 INFO blam! 079a63a48fe036359667e86e0c7259000c4721a3eb79b3946394a2e8e1b1d4af
Oct 12 10:31:45.637 INFO running `"docker" "start" "-a" "079a63a48fe036359667e86e0c7259000c4721a3eb79b3946394a2e8e1b1d4af"`
Oct 12 10:31:46.648 INFO kablam! usermod: no changes
Oct 12 10:31:46.708 INFO kablam!     Checking mos v0.1.0 (/source)
Oct 12 10:31:47.032 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:31:47.032 INFO kablam!   --> src/user.rs:23:13
Oct 12 10:31:47.032 INFO kablam!    |
Oct 12 10:31:47.032 INFO kablam! 23 |         let mut s_avail: &str;
Oct 12 10:31:47.032 INFO kablam!    |             ----^^^^^^^
Oct 12 10:31:47.032 INFO kablam!    |             |
Oct 12 10:31:47.032 INFO kablam!    |             help: remove this `mut`
Oct 12 10:31:47.032 INFO kablam!    |
Oct 12 10:31:47.032 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 10:31:47.032 INFO kablam! 
Oct 12 10:31:47.032 INFO kablam! warning: variant is never constructed: `Busy`
Oct 12 10:31:47.032 INFO kablam!  --> src/user.rs:4:5
Oct 12 10:31:47.032 INFO kablam!   |
Oct 12 10:31:47.032 INFO kablam! 4 |     Busy,
Oct 12 10:31:47.032 INFO kablam!   |     ^^^^
Oct 12 10:31:47.032 INFO kablam!   |
Oct 12 10:31:47.032 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 10:31:47.032 INFO kablam! 
Oct 12 10:31:47.032 INFO kablam! warning: variant is never constructed: `VideoConference`
Oct 12 10:31:47.032 INFO kablam!  --> src/user.rs:5:5
Oct 12 10:31:47.032 INFO kablam!   |
Oct 12 10:31:47.032 INFO kablam! 5 |     VideoConference,
Oct 12 10:31:47.032 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 12 10:31:47.032 INFO kablam! 
Oct 12 10:31:47.032 INFO kablam! warning: variant is never constructed: `OnThePhone`
Oct 12 10:31:47.032 INFO kablam!  --> src/user.rs:6:5
Oct 12 10:31:47.032 INFO kablam!   |
Oct 12 10:31:47.032 INFO kablam! 6 |     OnThePhone,
Oct 12 10:31:47.032 INFO kablam!   |     ^^^^^^^^^^
Oct 12 10:31:47.032 INFO kablam! 
Oct 12 10:31:47.033 INFO kablam! warning: variant is never constructed: `OutOfOffice`
Oct 12 10:31:47.033 INFO kablam!  --> src/user.rs:7:5
Oct 12 10:31:47.033 INFO kablam!   |
Oct 12 10:31:47.033 INFO kablam! 7 |     OutOfOffice,
Oct 12 10:31:47.033 INFO kablam!   |     ^^^^^^^^^^^
Oct 12 10:31:47.033 INFO kablam! 
Oct 12 10:31:47.033 INFO kablam! warning: variant is never constructed: `DoNotDesturb`
Oct 12 10:31:47.033 INFO kablam!  --> src/user.rs:8:5
Oct 12 10:31:47.033 INFO kablam!   |
Oct 12 10:31:47.033 INFO kablam! 8 |     DoNotDesturb,
Oct 12 10:31:47.033 INFO kablam!   |     ^^^^^^^^^^^^
Oct 12 10:31:47.033 INFO kablam! 
Oct 12 10:31:47.033 INFO kablam! warning: method is never used: `from_frm_str`
Oct 12 10:31:47.033 INFO kablam!   --> src/user.rs:43:5
Oct 12 10:31:47.033 INFO kablam!    |
Oct 12 10:31:47.033 INFO kablam! 43 |     pub fn from_frm_str(frm_str: String) -> User {
Oct 12 10:31:47.033 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:31:47.033 INFO kablam! 
Oct 12 10:31:47.043 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 10:31:47.043 INFO kablam!   --> src/main.rs:51:5
Oct 12 10:31:47.043 INFO kablam!    |
Oct 12 10:31:47.043 INFO kablam! 51 |     std::io::stdin().read_line(&mut u.nickname);
Oct 12 10:31:47.043 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:31:47.043 INFO kablam!    |
Oct 12 10:31:47.043 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 10:31:47.043 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 10:31:47.043 INFO kablam! 
Oct 12 10:31:47.043 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 10:31:47.043 INFO kablam!   --> src/main.rs:55:5
Oct 12 10:31:47.043 INFO kablam!    |
Oct 12 10:31:47.043 INFO kablam! 55 |     std::io::stdin().read_line(&mut u.name);
Oct 12 10:31:47.043 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:31:47.043 INFO kablam!    |
Oct 12 10:31:47.043 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 10:31:47.043 INFO kablam! 
Oct 12 10:31:47.043 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 10:31:47.043 INFO kablam!   --> src/main.rs:59:5
Oct 12 10:31:47.043 INFO kablam!    |
Oct 12 10:31:47.043 INFO kablam! 59 |     std::io::stdin().read_line(&mut u.surname);
Oct 12 10:31:47.044 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:31:47.044 INFO kablam!    |
Oct 12 10:31:47.044 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 10:31:47.044 INFO kablam! 
Oct 12 10:31:47.048 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 10:31:47.048 INFO kablam!   --> src/main.rs:63:5
Oct 12 10:31:47.048 INFO kablam!    |
Oct 12 10:31:47.048 INFO kablam! 63 |     std::io::stdin().read_line(&mut u.profession);
Oct 12 10:31:47.048 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:31:47.048 INFO kablam!    |
Oct 12 10:31:47.048 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 10:31:47.048 INFO kablam! 
Oct 12 10:31:47.184 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:31:47.184 INFO kablam!   --> src/user.rs:23:13
Oct 12 10:31:47.184 INFO kablam!    |
Oct 12 10:31:47.184 INFO kablam! 23 |         let mut s_avail: &str;
Oct 12 10:31:47.184 INFO kablam!    |             ----^^^^^^^
Oct 12 10:31:47.184 INFO kablam!    |             |
Oct 12 10:31:47.184 INFO kablam!    |             help: remove this `mut`
Oct 12 10:31:47.184 INFO kablam!    |
Oct 12 10:31:47.184 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 10:31:47.184 INFO kablam! 
Oct 12 10:31:47.184 INFO kablam! warning: variant is never constructed: `Busy`
Oct 12 10:31:47.184 INFO kablam!  --> src/user.rs:4:5
Oct 12 10:31:47.184 INFO kablam!   |
Oct 12 10:31:47.184 INFO kablam! 4 |     Busy,
Oct 12 10:31:47.185 INFO kablam!   |     ^^^^
Oct 12 10:31:47.185 INFO kablam!   |
Oct 12 10:31:47.185 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 10:31:47.185 INFO kablam! 
Oct 12 10:31:47.185 INFO kablam! warning: variant is never constructed: `VideoConference`
Oct 12 10:31:47.185 INFO kablam!  --> src/user.rs:5:5
Oct 12 10:31:47.185 INFO kablam!   |
Oct 12 10:31:47.185 INFO kablam! 5 |     VideoConference,
Oct 12 10:31:47.185 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 12 10:31:47.185 INFO kablam! 
Oct 12 10:31:47.185 INFO kablam! warning: variant is never constructed: `OnThePhone`
Oct 12 10:31:47.185 INFO kablam!  --> src/user.rs:6:5
Oct 12 10:31:47.185 INFO kablam!   |
Oct 12 10:31:47.185 INFO kablam! 6 |     OnThePhone,
Oct 12 10:31:47.185 INFO kablam!   |     ^^^^^^^^^^
Oct 12 10:31:47.185 INFO kablam! 
Oct 12 10:31:47.185 INFO kablam! warning: variant is never constructed: `OutOfOffice`
Oct 12 10:31:47.185 INFO kablam!  --> src/user.rs:7:5
Oct 12 10:31:47.185 INFO kablam!   |
Oct 12 10:31:47.185 INFO kablam! 7 |     OutOfOffice,
Oct 12 10:31:47.185 INFO kablam!   |     ^^^^^^^^^^^
Oct 12 10:31:47.185 INFO kablam! 
Oct 12 10:31:47.185 INFO kablam! warning: variant is never constructed: `DoNotDesturb`
Oct 12 10:31:47.185 INFO kablam!  --> src/user.rs:8:5
Oct 12 10:31:47.185 INFO kablam!   |
Oct 12 10:31:47.185 INFO kablam! 8 |     DoNotDesturb,
Oct 12 10:31:47.185 INFO kablam!   |     ^^^^^^^^^^^^
Oct 12 10:31:47.185 INFO kablam! 
Oct 12 10:31:47.185 INFO kablam! warning: method is never used: `from_frm_str`
Oct 12 10:31:47.185 INFO kablam!   --> src/user.rs:43:5
Oct 12 10:31:47.185 INFO kablam!    |
Oct 12 10:31:47.185 INFO kablam! 43 |     pub fn from_frm_str(frm_str: String) -> User {
Oct 12 10:31:47.185 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:31:47.185 INFO kablam! 
Oct 12 10:31:47.200 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 10:31:47.200 INFO kablam!   --> src/main.rs:51:5
Oct 12 10:31:47.200 INFO kablam!    |
Oct 12 10:31:47.200 INFO kablam! 51 |     std::io::stdin().read_line(&mut u.nickname);
Oct 12 10:31:47.200 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:31:47.200 INFO kablam!    |
Oct 12 10:31:47.200 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 10:31:47.200 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 10:31:47.200 INFO kablam! 
Oct 12 10:31:47.200 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 10:31:47.200 INFO kablam!   --> src/main.rs:55:5
Oct 12 10:31:47.200 INFO kablam!    |
Oct 12 10:31:47.200 INFO kablam! 55 |     std::io::stdin().read_line(&mut u.name);
Oct 12 10:31:47.200 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:31:47.200 INFO kablam!    |
Oct 12 10:31:47.200 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 10:31:47.201 INFO kablam! 
Oct 12 10:31:47.201 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 10:31:47.201 INFO kablam!   --> src/main.rs:59:5
Oct 12 10:31:47.201 INFO kablam!    |
Oct 12 10:31:47.201 INFO kablam! 59 |     std::io::stdin().read_line(&mut u.surname);
Oct 12 10:31:47.201 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:31:47.201 INFO kablam!    |
Oct 12 10:31:47.201 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 10:31:47.201 INFO kablam! 
Oct 12 10:31:47.201 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 10:31:47.201 INFO kablam!   --> src/main.rs:63:5
Oct 12 10:31:47.201 INFO kablam!    |
Oct 12 10:31:47.201 INFO kablam! 63 |     std::io::stdin().read_line(&mut u.profession);
Oct 12 10:31:47.201 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:31:47.201 INFO kablam!    |
Oct 12 10:31:47.201 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 10:31:47.201 INFO kablam! 
Oct 12 10:31:47.250 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Oct 12 10:31:47.257 INFO kablam! su: No module specific data is present
Oct 12 10:31:48.492 INFO running `"docker" "rm" "-f" "079a63a48fe036359667e86e0c7259000c4721a3eb79b3946394a2e8e1b1d4af"`
Oct 12 10:31:48.700 INFO blam! 079a63a48fe036359667e86e0c7259000c4721a3eb79b3946394a2e8e1b1d4af