[INFO] updating cached repository grsouza/rgbem
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/grsouza/rgbem
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/grsouza/rgbem" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/grsouza/rgbem"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/grsouza/rgbem'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/grsouza/rgbem" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/grsouza/rgbem"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/grsouza/rgbem'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc1fb104306c2ead5af5d5c6e0d227fdc8237c44
[INFO] sha for GitHub repo grsouza/rgbem: bc1fb104306c2ead5af5d5c6e0d227fdc8237c44
[INFO] validating manifest of grsouza/rgbem on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of grsouza/rgbem on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing grsouza/rgbem
[INFO] finished frobbing grsouza/rgbem
[INFO] frobbed toml for grsouza/rgbem written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/grsouza/rgbem/Cargo.toml
[INFO] started frobbing grsouza/rgbem
[INFO] finished frobbing grsouza/rgbem
[INFO] frobbed toml for grsouza/rgbem written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/grsouza/rgbem/Cargo.toml
[INFO] crate grsouza/rgbem has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing grsouza/rgbem against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/grsouza/rgbem:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 0a6f544a007ae9cb3ec7ebeff18259a524e2fe7e555466e7a7c8fb014cfc301d
[INFO] running `"docker" "start" "-a" "0a6f544a007ae9cb3ec7ebeff18259a524e2fe7e555466e7a7c8fb014cfc301d"`
[INFO] [stderr]    Compiling rgb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/memory.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]   --> src/memory.rs:20:26
[INFO] [stderr]    |
[INFO] [stderr] 20 |   pub fn read(&mut self, location: usize) {}
[INFO] [stderr]    |                          ^^^^^^^^ help: consider prefixing with an underscore: `_location`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/memory.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub fn write(&mut self, value: usize, location: usize) {}
[INFO] [stderr]    |                           ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]   --> src/memory.rs:21:41
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub fn write(&mut self, value: usize, location: usize) {}
[INFO] [stderr]    |                                         ^^^^^^^^ help: consider prefixing with an underscore: `_location`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `memory`
[INFO] [stderr]  --> src/cpu.rs:4:3
[INFO] [stderr]   |
[INFO] [stderr] 4 |   memory: Memory,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `kind`
[INFO] [stderr]    --> src/cpu.rs:154:3
[INFO] [stderr]     |
[INFO] [stderr] 154 |   kind: InstructionKind,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `assembly`
[INFO] [stderr]    --> src/cpu.rs:155:3
[INFO] [stderr]     |
[INFO] [stderr] 155 |   assembly: &'static str,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `rom`
[INFO] [stderr]  --> src/memory.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   rom: Vec<u8>,
[INFO] [stderr]   |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/memory.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |   pub fn read(&mut self, location: usize) {}
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/memory.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub fn write(&mut self, value: usize, location: usize) {}
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cpu`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     cpu: CPU,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `"docker" "inspect" "0a6f544a007ae9cb3ec7ebeff18259a524e2fe7e555466e7a7c8fb014cfc301d"`
[INFO] running `"docker" "rm" "-f" "0a6f544a007ae9cb3ec7ebeff18259a524e2fe7e555466e7a7c8fb014cfc301d"`
[INFO] [stdout] 0a6f544a007ae9cb3ec7ebeff18259a524e2fe7e555466e7a7c8fb014cfc301d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/grsouza/rgbem:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 672f40461d978f2a94814a459055a68dffdd49d86b56d27dd81f4e6c056654b2
[INFO] running `"docker" "start" "-a" "672f40461d978f2a94814a459055a68dffdd49d86b56d27dd81f4e6c056654b2"`
[INFO] [stderr]    Compiling rgb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/memory.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]   --> src/memory.rs:20:26
[INFO] [stderr]    |
[INFO] [stderr] 20 |   pub fn read(&mut self, location: usize) {}
[INFO] [stderr]    |                          ^^^^^^^^ help: consider prefixing with an underscore: `_location`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/memory.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub fn write(&mut self, value: usize, location: usize) {}
[INFO] [stderr]    |                           ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]   --> src/memory.rs:21:41
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub fn write(&mut self, value: usize, location: usize) {}
[INFO] [stderr]    |                                         ^^^^^^^^ help: consider prefixing with an underscore: `_location`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `memory`
[INFO] [stderr]  --> src/cpu.rs:4:3
[INFO] [stderr]   |
[INFO] [stderr] 4 |   memory: Memory,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `kind`
[INFO] [stderr]    --> src/cpu.rs:154:3
[INFO] [stderr]     |
[INFO] [stderr] 154 |   kind: InstructionKind,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `assembly`
[INFO] [stderr]    --> src/cpu.rs:155:3
[INFO] [stderr]     |
[INFO] [stderr] 155 |   assembly: &'static str,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `rom`
[INFO] [stderr]  --> src/memory.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   rom: Vec<u8>,
[INFO] [stderr]   |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/memory.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |   pub fn read(&mut self, location: usize) {}
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/memory.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub fn write(&mut self, value: usize, location: usize) {}
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cpu`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     cpu: CPU,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "672f40461d978f2a94814a459055a68dffdd49d86b56d27dd81f4e6c056654b2"`
[INFO] running `"docker" "rm" "-f" "672f40461d978f2a94814a459055a68dffdd49d86b56d27dd81f4e6c056654b2"`
[INFO] [stdout] 672f40461d978f2a94814a459055a68dffdd49d86b56d27dd81f4e6c056654b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/grsouza/rgbem:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 860d626e69728c61cf6a1c1dd302242346572c4f3eb93b7b7b1c2f74e2a96225
[INFO] running `"docker" "start" "-a" "860d626e69728c61cf6a1c1dd302242346572c4f3eb93b7b7b1c2f74e2a96225"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rgb-2d20cf1700ef7e9d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "860d626e69728c61cf6a1c1dd302242346572c4f3eb93b7b7b1c2f74e2a96225"`
[INFO] running `"docker" "rm" "-f" "860d626e69728c61cf6a1c1dd302242346572c4f3eb93b7b7b1c2f74e2a96225"`
[INFO] [stdout] 860d626e69728c61cf6a1c1dd302242346572c4f3eb93b7b7b1c2f74e2a96225