Dec 11 13:23:19.414 INFO checking moratorium08/moo against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 13:23:19.414 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 13:23:19.883 INFO [stdout] 440178a122968e0bd90c89f24a4fcc810641d44029eec11246df8da4c8c2ae7a
Dec 11 13:23:19.885 INFO running `"docker" "start" "-a" "440178a122968e0bd90c89f24a4fcc810641d44029eec11246df8da4c8c2ae7a"`
Dec 11 13:23:21.852 INFO [stderr] usermod: no changes
Dec 11 13:23:21.891 INFO [stderr]    Compiling memchr v2.1.0
Dec 11 13:23:23.840 INFO [stderr]     Checking nom v4.0.0
Dec 11 13:23:25.832 INFO [stderr]     Checking stst v0.1.0 (/source)
Dec 11 13:23:26.288 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 11 13:23:26.288 INFO [stderr]  --> src/main.rs:7:5
Dec 11 13:23:26.288 INFO [stderr]   |
Dec 11 13:23:26.288 INFO [stderr] 7 | use std::cell::RefCell;
Dec 11 13:23:26.288 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 13:23:26.288 INFO [stderr]   |
Dec 11 13:23:26.288 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 13:23:26.288 INFO [stderr] 
Dec 11 13:23:26.288 INFO [stderr] warning: unused import: `std::str::Chars`
Dec 11 13:23:26.288 INFO [stderr]  --> src/main.rs:8:5
Dec 11 13:23:26.288 INFO [stderr]   |
Dec 11 13:23:26.288 INFO [stderr] 8 | use std::str::Chars;
Dec 11 13:23:26.289 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 13:23:26.289 INFO [stderr] 
Dec 11 13:23:26.289 INFO [stderr] warning: unused import: `libc::getchar`
Dec 11 13:23:26.289 INFO [stderr]  --> src/main.rs:9:5
Dec 11 13:23:26.289 INFO [stderr]   |
Dec 11 13:23:26.289 INFO [stderr] 9 | use libc::getchar;
Dec 11 13:23:26.289 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 11 13:23:26.289 INFO [stderr] 
Dec 11 13:23:26.604 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 11 13:23:26.604 INFO [stderr]  --> src/main.rs:7:5
Dec 11 13:23:26.604 INFO [stderr]   |
Dec 11 13:23:26.604 INFO [stderr] 7 | use std::cell::RefCell;
Dec 11 13:23:26.604 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 13:23:26.604 INFO [stderr]   |
Dec 11 13:23:26.604 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 13:23:26.604 INFO [stderr] 
Dec 11 13:23:26.604 INFO [stderr] warning: unused import: `std::str::Chars`
Dec 11 13:23:26.604 INFO [stderr]  --> src/main.rs:8:5
Dec 11 13:23:26.604 INFO [stderr]   |
Dec 11 13:23:26.604 INFO [stderr] 8 | use std::str::Chars;
Dec 11 13:23:26.604 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 13:23:26.604 INFO [stderr] 
Dec 11 13:23:26.604 INFO [stderr] warning: unused import: `libc::getchar`
Dec 11 13:23:26.604 INFO [stderr]  --> src/main.rs:9:5
Dec 11 13:23:26.604 INFO [stderr]   |
Dec 11 13:23:26.604 INFO [stderr] 9 | use libc::getchar;
Dec 11 13:23:26.604 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 11 13:23:26.604 INFO [stderr] 
Dec 11 13:23:26.609 INFO [stderr] warning: unused variable: `frame`
Dec 11 13:23:26.609 INFO [stderr]    --> src/main.rs:164:21
Dec 11 13:23:26.609 INFO [stderr]     |
Dec 11 13:23:26.609 INFO [stderr] 164 |                 let frame: &mut Frame = &mut env[n - 1];
Dec 11 13:23:26.609 INFO [stderr]     |                     ^^^^^ help: consider using `_frame` instead
Dec 11 13:23:26.609 INFO [stderr]     |
Dec 11 13:23:26.609 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 13:23:26.609 INFO [stderr] 
Dec 11 13:23:26.609 INFO [stderr] warning: unused variable: `v`
Dec 11 13:23:26.609 INFO [stderr]    --> src/main.rs:354:41
Dec 11 13:23:26.609 INFO [stderr]     |
Dec 11 13:23:26.609 INFO [stderr] 354 |                                 let mut v: Vec<(ID, ID)> = Vec::new();
Dec 11 13:23:26.609 INFO [stderr]     |                                         ^ help: consider using `_v` instead
Dec 11 13:23:26.609 INFO [stderr] 
Dec 11 13:23:26.609 INFO [stderr] warning: unused variable: `c`
Dec 11 13:23:26.609 INFO [stderr]    --> src/main.rs:366:38
Dec 11 13:23:26.609 INFO [stderr]     |
Dec 11 13:23:26.609 INFO [stderr] 366 |                     Some(Value::List(c)) => {
Dec 11 13:23:26.609 INFO [stderr]     |                                      ^ help: consider using `_c` instead
Dec 11 13:23:26.610 INFO [stderr] 
Dec 11 13:23:26.610 INFO [stderr] warning: variable `nest` is assigned to, but never used
Dec 11 13:23:26.611 INFO [stderr]    --> src/main.rs:512:13
Dec 11 13:23:26.611 INFO [stderr]     |
Dec 11 13:23:26.611 INFO [stderr] 512 |     let mut nest = 0;
Dec 11 13:23:26.611 INFO [stderr]     |             ^^^^
Dec 11 13:23:26.611 INFO [stderr]     |
Dec 11 13:23:26.611 INFO [stderr]     = note: consider using `_nest` instead
Dec 11 13:23:26.612 INFO [stderr] 
Dec 11 13:23:26.760 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 13:23:26.760 INFO [stderr]    --> src/main.rs:623:5
Dec 11 13:23:26.760 INFO [stderr]     |
Dec 11 13:23:26.760 INFO [stderr] 623 |     f.read_to_string(&mut code);
Dec 11 13:23:26.760 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:23:26.760 INFO [stderr]     |
Dec 11 13:23:26.760 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 13:23:26.760 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 13:23:26.761 INFO [stderr] 
Dec 11 13:23:26.976 INFO [stderr] warning: unused variable: `frame`
Dec 11 13:23:26.976 INFO [stderr]    --> src/main.rs:164:21
Dec 11 13:23:26.976 INFO [stderr]     |
Dec 11 13:23:26.976 INFO [stderr] 164 |                 let frame: &mut Frame = &mut env[n - 1];
Dec 11 13:23:26.976 INFO [stderr]     |                     ^^^^^ help: consider using `_frame` instead
Dec 11 13:23:26.976 INFO [stderr]     |
Dec 11 13:23:26.976 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 13:23:26.976 INFO [stderr] 
Dec 11 13:23:26.976 INFO [stderr] warning: unused variable: `v`
Dec 11 13:23:26.976 INFO [stderr]    --> src/main.rs:354:41
Dec 11 13:23:26.976 INFO [stderr]     |
Dec 11 13:23:26.976 INFO [stderr] 354 |                                 let mut v: Vec<(ID, ID)> = Vec::new();
Dec 11 13:23:26.976 INFO [stderr]     |                                         ^ help: consider using `_v` instead
Dec 11 13:23:26.976 INFO [stderr] 
Dec 11 13:23:26.976 INFO [stderr] warning: unused variable: `c`
Dec 11 13:23:26.976 INFO [stderr]    --> src/main.rs:366:38
Dec 11 13:23:26.976 INFO [stderr]     |
Dec 11 13:23:26.976 INFO [stderr] 366 |                     Some(Value::List(c)) => {
Dec 11 13:23:26.976 INFO [stderr]     |                                      ^ help: consider using `_c` instead
Dec 11 13:23:26.976 INFO [stderr] 
Dec 11 13:23:26.976 INFO [stderr] warning: variable `nest` is assigned to, but never used
Dec 11 13:23:26.976 INFO [stderr]    --> src/main.rs:512:13
Dec 11 13:23:26.976 INFO [stderr]     |
Dec 11 13:23:26.976 INFO [stderr] 512 |     let mut nest = 0;
Dec 11 13:23:26.976 INFO [stderr]     |             ^^^^
Dec 11 13:23:26.976 INFO [stderr]     |
Dec 11 13:23:26.976 INFO [stderr]     = note: consider using `_nest` instead
Dec 11 13:23:26.976 INFO [stderr] 
Dec 11 13:23:27.040 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 13:23:27.040 INFO [stderr]    --> src/main.rs:623:5
Dec 11 13:23:27.040 INFO [stderr]     |
Dec 11 13:23:27.040 INFO [stderr] 623 |     f.read_to_string(&mut code);
Dec 11 13:23:27.040 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:23:27.040 INFO [stderr]     |
Dec 11 13:23:27.040 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 13:23:27.040 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 13:23:27.040 INFO [stderr] 
Dec 11 13:23:27.086 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.21s
Dec 11 13:23:27.089 INFO [stderr] su: No module specific data is present
Dec 11 13:23:27.821 INFO running `"docker" "inspect" "440178a122968e0bd90c89f24a4fcc810641d44029eec11246df8da4c8c2ae7a"`
Dec 11 13:23:28.110 INFO running `"docker" "rm" "-f" "440178a122968e0bd90c89f24a4fcc810641d44029eec11246df8da4c8c2ae7a"`
Dec 11 13:23:28.372 INFO [stdout] 440178a122968e0bd90c89f24a4fcc810641d44029eec11246df8da4c8c2ae7a