Dec 19 12:27:06.231 INFO checking moratorium08/moo against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:27:06.231 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/moratorium08/moo:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:27:06.684 INFO [stdout] 06fe313f4fa5b13dc95c65a58020b33e441915ab80a825ba34c7c268e361c092
Dec 19 12:27:06.690 INFO running `"docker" "start" "-a" "06fe313f4fa5b13dc95c65a58020b33e441915ab80a825ba34c7c268e361c092"`
Dec 19 12:27:08.947 INFO [stderr]    Compiling memchr v2.1.0
Dec 19 12:27:10.445 INFO [stderr]     Checking nom v4.0.0
Dec 19 12:27:12.191 INFO [stderr]     Checking stst v0.1.0 (/opt/crater/workdir)
Dec 19 12:27:12.547 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 19 12:27:12.548 INFO [stderr]  --> src/main.rs:7:5
Dec 19 12:27:12.548 INFO [stderr]   |
Dec 19 12:27:12.548 INFO [stderr] 7 | use std::cell::RefCell;
Dec 19 12:27:12.548 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 12:27:12.549 INFO [stderr]   |
Dec 19 12:27:12.549 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:27:12.549 INFO [stderr] 
Dec 19 12:27:12.550 INFO [stderr] warning: unused import: `std::str::Chars`
Dec 19 12:27:12.550 INFO [stderr]  --> src/main.rs:8:5
Dec 19 12:27:12.550 INFO [stderr]   |
Dec 19 12:27:12.550 INFO [stderr] 8 | use std::str::Chars;
Dec 19 12:27:12.550 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 12:27:12.550 INFO [stderr] 
Dec 19 12:27:12.550 INFO [stderr] warning: unused import: `libc::getchar`
Dec 19 12:27:12.550 INFO [stderr]  --> src/main.rs:9:5
Dec 19 12:27:12.550 INFO [stderr]   |
Dec 19 12:27:12.550 INFO [stderr] 9 | use libc::getchar;
Dec 19 12:27:12.550 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 12:27:12.550 INFO [stderr] 
Dec 19 12:27:12.604 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 19 12:27:12.604 INFO [stderr]  --> src/main.rs:7:5
Dec 19 12:27:12.604 INFO [stderr]   |
Dec 19 12:27:12.605 INFO [stderr] 7 | use std::cell::RefCell;
Dec 19 12:27:12.605 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 12:27:12.605 INFO [stderr]   |
Dec 19 12:27:12.605 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:27:12.605 INFO [stderr] 
Dec 19 12:27:12.605 INFO [stderr] warning: unused import: `std::str::Chars`
Dec 19 12:27:12.605 INFO [stderr]  --> src/main.rs:8:5
Dec 19 12:27:12.605 INFO [stderr]   |
Dec 19 12:27:12.605 INFO [stderr] 8 | use std::str::Chars;
Dec 19 12:27:12.605 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 12:27:12.605 INFO [stderr] 
Dec 19 12:27:12.605 INFO [stderr] warning: unused import: `libc::getchar`
Dec 19 12:27:12.605 INFO [stderr]  --> src/main.rs:9:5
Dec 19 12:27:12.605 INFO [stderr]   |
Dec 19 12:27:12.605 INFO [stderr] 9 | use libc::getchar;
Dec 19 12:27:12.605 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 12:27:12.605 INFO [stderr] 
Dec 19 12:27:12.780 INFO [stderr] warning: unused variable: `frame`
Dec 19 12:27:12.780 INFO [stderr]    --> src/main.rs:164:21
Dec 19 12:27:12.781 INFO [stderr]     |
Dec 19 12:27:12.781 INFO [stderr] 164 |                 let frame: &mut Frame = &mut env[n - 1];
Dec 19 12:27:12.781 INFO [stderr]     |                     ^^^^^ help: consider using `_frame` instead
Dec 19 12:27:12.782 INFO [stderr]     |
Dec 19 12:27:12.782 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 12:27:12.782 INFO [stderr] 
Dec 19 12:27:12.783 INFO [stderr] warning: unused variable: `v`
Dec 19 12:27:12.783 INFO [stderr]    --> src/main.rs:354:41
Dec 19 12:27:12.783 INFO [stderr]     |
Dec 19 12:27:12.783 INFO [stderr] 354 |                                 let mut v: Vec<(ID, ID)> = Vec::new();
Dec 19 12:27:12.784 INFO [stderr]     |                                         ^ help: consider using `_v` instead
Dec 19 12:27:12.784 INFO [stderr] 
Dec 19 12:27:12.784 INFO [stderr] warning: unused variable: `c`
Dec 19 12:27:12.784 INFO [stderr]    --> src/main.rs:366:38
Dec 19 12:27:12.785 INFO [stderr]     |
Dec 19 12:27:12.785 INFO [stderr] 366 |                     Some(Value::List(c)) => {
Dec 19 12:27:12.785 INFO [stderr]     |                                      ^ help: consider using `_c` instead
Dec 19 12:27:12.785 INFO [stderr] 
Dec 19 12:27:12.786 INFO [stderr] warning: variable `nest` is assigned to, but never used
Dec 19 12:27:12.786 INFO [stderr]    --> src/main.rs:512:13
Dec 19 12:27:12.787 INFO [stderr]     |
Dec 19 12:27:12.787 INFO [stderr] 512 |     let mut nest = 0;
Dec 19 12:27:12.787 INFO [stderr]     |             ^^^^
Dec 19 12:27:12.787 INFO [stderr]     |
Dec 19 12:27:12.788 INFO [stderr]     = note: consider using `_nest` instead
Dec 19 12:27:12.788 INFO [stderr] 
Dec 19 12:27:12.865 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:12.865 INFO [stderr]    --> src/main.rs:623:5
Dec 19 12:27:12.866 INFO [stderr]     |
Dec 19 12:27:12.866 INFO [stderr] 623 |     f.read_to_string(&mut code);
Dec 19 12:27:12.866 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:12.867 INFO [stderr]     |
Dec 19 12:27:12.867 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 12:27:12.867 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:12.867 INFO [stderr] 
Dec 19 12:27:12.924 INFO [stderr] warning: unused variable: `frame`
Dec 19 12:27:12.925 INFO [stderr]    --> src/main.rs:164:21
Dec 19 12:27:12.925 INFO [stderr]     |
Dec 19 12:27:12.925 INFO [stderr] 164 |                 let frame: &mut Frame = &mut env[n - 1];
Dec 19 12:27:12.925 INFO [stderr]     |                     ^^^^^ help: consider using `_frame` instead
Dec 19 12:27:12.926 INFO [stderr]     |
Dec 19 12:27:12.926 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 12:27:12.926 INFO [stderr] 
Dec 19 12:27:12.927 INFO [stderr] warning: unused variable: `v`
Dec 19 12:27:12.927 INFO [stderr]    --> src/main.rs:354:41
Dec 19 12:27:12.927 INFO [stderr]     |
Dec 19 12:27:12.927 INFO [stderr] 354 |                                 let mut v: Vec<(ID, ID)> = Vec::new();
Dec 19 12:27:12.927 INFO [stderr]     |                                         ^ help: consider using `_v` instead
Dec 19 12:27:12.927 INFO [stderr] 
Dec 19 12:27:12.927 INFO [stderr] warning: unused variable: `c`
Dec 19 12:27:12.927 INFO [stderr]    --> src/main.rs:366:38
Dec 19 12:27:12.927 INFO [stderr]     |
Dec 19 12:27:12.928 INFO [stderr] 366 |                     Some(Value::List(c)) => {
Dec 19 12:27:12.928 INFO [stderr]     |                                      ^ help: consider using `_c` instead
Dec 19 12:27:12.928 INFO [stderr] 
Dec 19 12:27:12.928 INFO [stderr] warning: variable `nest` is assigned to, but never used
Dec 19 12:27:12.928 INFO [stderr]    --> src/main.rs:512:13
Dec 19 12:27:12.928 INFO [stderr]     |
Dec 19 12:27:12.928 INFO [stderr] 512 |     let mut nest = 0;
Dec 19 12:27:12.928 INFO [stderr]     |             ^^^^
Dec 19 12:27:12.928 INFO [stderr]     |
Dec 19 12:27:12.928 INFO [stderr]     = note: consider using `_nest` instead
Dec 19 12:27:12.928 INFO [stderr] 
Dec 19 12:27:12.996 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:12.996 INFO [stderr]    --> src/main.rs:623:5
Dec 19 12:27:12.996 INFO [stderr]     |
Dec 19 12:27:12.996 INFO [stderr] 623 |     f.read_to_string(&mut code);
Dec 19 12:27:12.996 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:12.996 INFO [stderr]     |
Dec 19 12:27:12.996 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 12:27:12.997 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:12.997 INFO [stderr] 
Dec 19 12:27:13.045 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.16s
Dec 19 12:27:14.708 INFO running `"docker" "inspect" "06fe313f4fa5b13dc95c65a58020b33e441915ab80a825ba34c7c268e361c092"`
Dec 19 12:27:15.060 INFO running `"docker" "rm" "-f" "06fe313f4fa5b13dc95c65a58020b33e441915ab80a825ba34c7c268e361c092"`
Dec 19 12:27:15.432 INFO [stdout] 06fe313f4fa5b13dc95c65a58020b33e441915ab80a825ba34c7c268e361c092