[INFO] updating cached repository strax/ttk91
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/strax/ttk91
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/strax/ttk91" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/strax/ttk91"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/strax/ttk91'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/strax/ttk91" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/strax/ttk91"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/strax/ttk91'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e1360fd84c250d6b61aeae5a2f38c24b835ed993
[INFO] sha for GitHub repo strax/ttk91: e1360fd84c250d6b61aeae5a2f38c24b835ed993
[INFO] validating manifest of strax/ttk91 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of strax/ttk91 on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing strax/ttk91
[INFO] finished frobbing strax/ttk91
[INFO] frobbed toml for strax/ttk91 written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/strax/ttk91/Cargo.toml
[INFO] started frobbing strax/ttk91
[INFO] finished frobbing strax/ttk91
[INFO] frobbed toml for strax/ttk91 written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/strax/ttk91/Cargo.toml
[INFO] crate strax/ttk91 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking strax/ttk91 against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-4/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0b2d12de583f5155ec3d52d5ad50165335e5516de133f10bc984a1a4d05363d7
[INFO] running `"docker" "start" "-a" "0b2d12de583f5155ec3d52d5ad50165335e5516de133f10bc984a1a4d05363d7"`
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking memchr v2.1.1
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking ttk91 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Cursor`, `SeekFrom`
[INFO] [stderr]   --> src/main.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::{Cursor, SeekFrom};
[INFO] [stderr]    |               ^^^^^^  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Lines`
[INFO] [stderr]  --> src/b91/parser.rs:2:38
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{Cursor, Read, BufRead, Lines};
[INFO] [stderr]   |                                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cell`, `Row`
[INFO] [stderr]  --> src/vm/debugger.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | use prettytable::{Cell, Row, Table};
[INFO] [stderr]   |                   ^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vm::register_file::RegisterFile`
[INFO] [stderr]  --> src/vm/debugger.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use vm::register_file::RegisterFile;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cursor`, `SeekFrom`
[INFO] [stderr]   --> src/main.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::{Cursor, SeekFrom};
[INFO] [stderr]    |               ^^^^^^  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Lines`
[INFO] [stderr]  --> src/b91/parser.rs:2:38
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{Cursor, Read, BufRead, Lines};
[INFO] [stderr]   |                                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cell`, `Row`
[INFO] [stderr]  --> src/vm/debugger.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | use prettytable::{Cell, Row, Table};
[INFO] [stderr]   |                   ^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vm::register_file::RegisterFile`
[INFO] [stderr]  --> src/vm/debugger.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use vm::register_file::RegisterFile;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/b91/parser.rs:2:23
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{Cursor, Read, BufRead, Lines};
[INFO] [stderr]   |                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/vm/mod.rs:144:11
[INFO] [stderr]     |
[INFO] [stderr] 144 |           _ => panic!("Unknown supervisor call"),
[INFO] [stderr]     |           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `memory`
[INFO] [stderr]   --> src/main.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut memory = [0u32; 32768];
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_memory`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut memory = [0u32; 32768];
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/b91/parser.rs:2:23
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{Cursor, Read, BufRead, Lines};
[INFO] [stderr]   |                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/vm/mod.rs:144:11
[INFO] [stderr]     |
[INFO] [stderr] 144 |           _ => panic!("Unknown supervisor call"),
[INFO] [stderr]     |           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `memory`
[INFO] [stderr]   --> src/main.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut memory = [0u32; 32768];
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_memory`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut memory = [0u32; 32768];
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]  --> src/b91/parser.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | type Result<T> = result::Result<T, Box<error::Error>>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]  --> src/b91/parser.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | type Result<T> = result::Result<T, Box<error::Error>>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.43s
[INFO] running `"docker" "inspect" "0b2d12de583f5155ec3d52d5ad50165335e5516de133f10bc984a1a4d05363d7"`
[INFO] running `"docker" "rm" "-f" "0b2d12de583f5155ec3d52d5ad50165335e5516de133f10bc984a1a4d05363d7"`
[INFO] [stdout] 0b2d12de583f5155ec3d52d5ad50165335e5516de133f10bc984a1a4d05363d7