Dec 19 08:00:06.232 INFO checking strax/ttk91 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 08:00:06.232 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/strax/ttk91:/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 08:00:06.516 INFO [stdout] 49a4cc4f88455c3abcc0f22590bbe019cdaf97648b1631ebd8856909e2f0ef8f
Dec 19 08:00:06.522 INFO running `"docker" "start" "-a" "49a4cc4f88455c3abcc0f22590bbe019cdaf97648b1631ebd8856909e2f0ef8f"`
Dec 19 08:00:08.475 INFO [stderr]     Checking encode_unicode v0.3.5
Dec 19 08:00:08.475 INFO [stderr]    Compiling memchr v2.1.1
Dec 19 08:00:08.476 INFO [stderr]     Checking term v0.5.1
Dec 19 08:00:08.476 INFO [stderr]    Compiling num-traits v0.2.5
Dec 19 08:00:08.476 INFO [stderr]    Compiling syn v0.14.7
Dec 19 08:00:11.665 INFO [stderr]     Checking csv-core v0.1.4
Dec 19 08:00:13.023 INFO [stderr]     Checking csv v1.0.2
Dec 19 08:00:16.276 INFO [stderr]     Checking prettytable-rs v0.8.0
Dec 19 08:00:23.502 INFO [stderr]    Compiling num-derive v0.2.2
Dec 19 08:00:25.304 INFO [stderr]     Checking ttk91 v0.1.0 (/opt/crater/workdir)
Dec 19 08:00:25.632 INFO [stderr] warning: unused imports: `Cursor`, `SeekFrom`
Dec 19 08:00:25.632 INFO [stderr]   --> src/main.rs:12:15
Dec 19 08:00:25.632 INFO [stderr]    |
Dec 19 08:00:25.632 INFO [stderr] 12 | use std::io::{Cursor, SeekFrom};
Dec 19 08:00:25.632 INFO [stderr]    |               ^^^^^^  ^^^^^^^^
Dec 19 08:00:25.633 INFO [stderr]    |
Dec 19 08:00:25.633 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 08:00:25.633 INFO [stderr] 
Dec 19 08:00:25.633 INFO [stderr] warning: unused import: `Lines`
Dec 19 08:00:25.633 INFO [stderr]  --> src/b91/parser.rs:2:38
Dec 19 08:00:25.633 INFO [stderr]   |
Dec 19 08:00:25.633 INFO [stderr] 2 | use std::io::{Cursor, Read, BufRead, Lines};
Dec 19 08:00:25.633 INFO [stderr]   |                                      ^^^^^
Dec 19 08:00:25.633 INFO [stderr] 
Dec 19 08:00:25.633 INFO [stderr] warning: unused imports: `Cell`, `Row`
Dec 19 08:00:25.633 INFO [stderr]  --> src/vm/debugger.rs:3:19
Dec 19 08:00:25.633 INFO [stderr]   |
Dec 19 08:00:25.633 INFO [stderr] 3 | use prettytable::{Cell, Row, Table};
Dec 19 08:00:25.633 INFO [stderr]   |                   ^^^^  ^^^
Dec 19 08:00:25.633 INFO [stderr] 
Dec 19 08:00:25.633 INFO [stderr] warning: unused import: `vm::register_file::RegisterFile`
Dec 19 08:00:25.633 INFO [stderr]  --> src/vm/debugger.rs:6:5
Dec 19 08:00:25.633 INFO [stderr]   |
Dec 19 08:00:25.633 INFO [stderr] 6 | use vm::register_file::RegisterFile;
Dec 19 08:00:25.633 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:00:25.633 INFO [stderr] 
Dec 19 08:00:25.720 INFO [stderr] warning: unused imports: `Cursor`, `SeekFrom`
Dec 19 08:00:25.720 INFO [stderr]   --> src/main.rs:12:15
Dec 19 08:00:25.720 INFO [stderr]    |
Dec 19 08:00:25.720 INFO [stderr] 12 | use std::io::{Cursor, SeekFrom};
Dec 19 08:00:25.720 INFO [stderr]    |               ^^^^^^  ^^^^^^^^
Dec 19 08:00:25.720 INFO [stderr]    |
Dec 19 08:00:25.720 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 08:00:25.720 INFO [stderr] 
Dec 19 08:00:25.720 INFO [stderr] warning: unused import: `Lines`
Dec 19 08:00:25.720 INFO [stderr]  --> src/b91/parser.rs:2:38
Dec 19 08:00:25.720 INFO [stderr]   |
Dec 19 08:00:25.720 INFO [stderr] 2 | use std::io::{Cursor, Read, BufRead, Lines};
Dec 19 08:00:25.720 INFO [stderr]   |                                      ^^^^^
Dec 19 08:00:25.720 INFO [stderr] 
Dec 19 08:00:25.720 INFO [stderr] warning: unused imports: `Cell`, `Row`
Dec 19 08:00:25.720 INFO [stderr]  --> src/vm/debugger.rs:3:19
Dec 19 08:00:25.721 INFO [stderr]   |
Dec 19 08:00:25.721 INFO [stderr] 3 | use prettytable::{Cell, Row, Table};
Dec 19 08:00:25.721 INFO [stderr]   |                   ^^^^  ^^^
Dec 19 08:00:25.721 INFO [stderr] 
Dec 19 08:00:25.721 INFO [stderr] warning: unused import: `vm::register_file::RegisterFile`
Dec 19 08:00:25.721 INFO [stderr]  --> src/vm/debugger.rs:6:5
Dec 19 08:00:25.721 INFO [stderr]   |
Dec 19 08:00:25.721 INFO [stderr] 6 | use vm::register_file::RegisterFile;
Dec 19 08:00:25.721 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:00:25.721 INFO [stderr] 
Dec 19 08:00:26.064 INFO [stderr] warning: unused import: `Read`
Dec 19 08:00:26.064 INFO [stderr]  --> src/b91/parser.rs:2:23
Dec 19 08:00:26.064 INFO [stderr]   |
Dec 19 08:00:26.064 INFO [stderr] 2 | use std::io::{Cursor, Read, BufRead, Lines};
Dec 19 08:00:26.064 INFO [stderr]   |                       ^^^^
Dec 19 08:00:26.064 INFO [stderr] 
Dec 19 08:00:26.124 INFO [stderr] warning: unreachable pattern
Dec 19 08:00:26.124 INFO [stderr]    --> src/vm/mod.rs:144:11
Dec 19 08:00:26.124 INFO [stderr]     |
Dec 19 08:00:26.124 INFO [stderr] 144 |           _ => panic!("Unknown supervisor call"),
Dec 19 08:00:26.124 INFO [stderr]     |           ^
Dec 19 08:00:26.124 INFO [stderr]     |
Dec 19 08:00:26.124 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 19 08:00:26.124 INFO [stderr] 
Dec 19 08:00:26.124 INFO [stderr] warning: unused variable: `memory`
Dec 19 08:00:26.124 INFO [stderr]   --> src/main.rs:42:13
Dec 19 08:00:26.124 INFO [stderr]    |
Dec 19 08:00:26.124 INFO [stderr] 42 |     let mut memory = [0u32; 32768];
Dec 19 08:00:26.124 INFO [stderr]    |             ^^^^^^ help: consider using `_memory` instead
Dec 19 08:00:26.124 INFO [stderr]    |
Dec 19 08:00:26.124 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:00:26.124 INFO [stderr] 
Dec 19 08:00:26.140 INFO [stderr] warning: variable does not need to be mutable
Dec 19 08:00:26.140 INFO [stderr]   --> src/main.rs:42:9
Dec 19 08:00:26.140 INFO [stderr]    |
Dec 19 08:00:26.140 INFO [stderr] 42 |     let mut memory = [0u32; 32768];
Dec 19 08:00:26.140 INFO [stderr]    |         ----^^^^^^
Dec 19 08:00:26.140 INFO [stderr]    |         |
Dec 19 08:00:26.140 INFO [stderr]    |         help: remove this `mut`
Dec 19 08:00:26.140 INFO [stderr]    |
Dec 19 08:00:26.140 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 08:00:26.144 INFO [stderr] 
Dec 19 08:00:26.148 INFO [stderr] warning: unused import: `Read`
Dec 19 08:00:26.149 INFO [stderr]  --> src/b91/parser.rs:2:23
Dec 19 08:00:26.152 INFO [stderr]   |
Dec 19 08:00:26.152 INFO [stderr] 2 | use std::io::{Cursor, Read, BufRead, Lines};
Dec 19 08:00:26.152 INFO [stderr]   |                       ^^^^
Dec 19 08:00:26.152 INFO [stderr] 
Dec 19 08:00:26.201 INFO [stderr] warning: unreachable pattern
Dec 19 08:00:26.201 INFO [stderr]    --> src/vm/mod.rs:144:11
Dec 19 08:00:26.201 INFO [stderr]     |
Dec 19 08:00:26.201 INFO [stderr] 144 |           _ => panic!("Unknown supervisor call"),
Dec 19 08:00:26.201 INFO [stderr]     |           ^
Dec 19 08:00:26.201 INFO [stderr]     |
Dec 19 08:00:26.201 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 19 08:00:26.201 INFO [stderr] 
Dec 19 08:00:26.201 INFO [stderr] warning: unused variable: `memory`
Dec 19 08:00:26.201 INFO [stderr]   --> src/main.rs:42:13
Dec 19 08:00:26.201 INFO [stderr]    |
Dec 19 08:00:26.201 INFO [stderr] 42 |     let mut memory = [0u32; 32768];
Dec 19 08:00:26.201 INFO [stderr]    |             ^^^^^^ help: consider using `_memory` instead
Dec 19 08:00:26.201 INFO [stderr]    |
Dec 19 08:00:26.201 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:00:26.201 INFO [stderr] 
Dec 19 08:00:26.232 INFO [stderr] warning: variable does not need to be mutable
Dec 19 08:00:26.233 INFO [stderr]   --> src/main.rs:42:9
Dec 19 08:00:26.233 INFO [stderr]    |
Dec 19 08:00:26.234 INFO [stderr] 42 |     let mut memory = [0u32; 32768];
Dec 19 08:00:26.234 INFO [stderr]    |         ----^^^^^^
Dec 19 08:00:26.234 INFO [stderr]    |         |
Dec 19 08:00:26.234 INFO [stderr]    |         help: remove this `mut`
Dec 19 08:00:26.234 INFO [stderr]    |
Dec 19 08:00:26.234 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 08:00:26.234 INFO [stderr] 
Dec 19 08:00:26.274 INFO [stderr] warning: type alias is never used: `Result`
Dec 19 08:00:26.275 INFO [stderr]  --> src/b91/parser.rs:7:1
Dec 19 08:00:26.275 INFO [stderr]   |
Dec 19 08:00:26.275 INFO [stderr] 7 | type Result<T> = result::Result<T, Box<error::Error>>;
Dec 19 08:00:26.275 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:00:26.275 INFO [stderr]   |
Dec 19 08:00:26.275 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 08:00:26.275 INFO [stderr] 
Dec 19 08:00:26.377 INFO [stderr] warning: type alias is never used: `Result`
Dec 19 08:00:26.377 INFO [stderr]  --> src/b91/parser.rs:7:1
Dec 19 08:00:26.377 INFO [stderr]   |
Dec 19 08:00:26.377 INFO [stderr] 7 | type Result<T> = result::Result<T, Box<error::Error>>;
Dec 19 08:00:26.377 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:00:26.377 INFO [stderr]   |
Dec 19 08:00:26.378 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 08:00:26.378 INFO [stderr] 
Dec 19 08:00:26.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.09s
Dec 19 08:00:27.819 INFO running `"docker" "inspect" "49a4cc4f88455c3abcc0f22590bbe019cdaf97648b1631ebd8856909e2f0ef8f"`
Dec 19 08:00:28.176 INFO running `"docker" "rm" "-f" "49a4cc4f88455c3abcc0f22590bbe019cdaf97648b1631ebd8856909e2f0ef8f"`
Dec 19 08:00:28.446 INFO [stdout] 49a4cc4f88455c3abcc0f22590bbe019cdaf97648b1631ebd8856909e2f0ef8f