[INFO] updating cached repository yoctoctet/chip8-dasm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yoctoctet/chip8-dasm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yoctoctet/chip8-dasm" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/yoctoctet/chip8-dasm"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/yoctoctet/chip8-dasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yoctoctet/chip8-dasm" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/yoctoctet/chip8-dasm"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/yoctoctet/chip8-dasm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0691dd17e937b131c44f60aed1ef3c985f73c083
[INFO] sha for GitHub repo yoctoctet/chip8-dasm: 0691dd17e937b131c44f60aed1ef3c985f73c083
[INFO] validating manifest of yoctoctet/chip8-dasm on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yoctoctet/chip8-dasm on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yoctoctet/chip8-dasm
[INFO] finished frobbing yoctoctet/chip8-dasm
[INFO] frobbed toml for yoctoctet/chip8-dasm written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/yoctoctet/chip8-dasm/Cargo.toml
[INFO] started frobbing yoctoctet/chip8-dasm
[INFO] finished frobbing yoctoctet/chip8-dasm
[INFO] frobbed toml for yoctoctet/chip8-dasm written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/yoctoctet/chip8-dasm/Cargo.toml
[INFO] crate yoctoctet/chip8-dasm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking yoctoctet/chip8-dasm against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/yoctoctet/chip8-dasm:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7cb387c4d6a4ce1ea9671af003e44b2411d56805a2c90251cff2aa2b11668ec3
[INFO] running `"docker" "start" "-a" "7cb387c4d6a4ce1ea9671af003e44b2411d56805a2c90251cff2aa2b11668ec3"`
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking chip8-dasm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `disassembler::disassemble`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use disassembler::disassemble;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `disassembler::disassemble`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use disassembler::disassemble;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/op.rs:153:42
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     Operation::Op8xy6(x, y) => {
[INFO] [stderr]     |                                          ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/op.rs:161:42
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     Operation::Op8xyE(x, y) => {
[INFO] [stderr]     |                                          ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/op.rs:153:42
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     Operation::Op8xy6(x, y) => {
[INFO] [stderr]     |                                          ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/op.rs:161:42
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     Operation::Op8xyE(x, y) => {
[INFO] [stderr]     |                                          ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DisassemblerError`
[INFO] [stderr]   --> src/disassembler.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     DisassemblerError,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DisassemblerError`
[INFO] [stderr]   --> src/disassembler.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     DisassemblerError,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.82s
[INFO] running `"docker" "inspect" "7cb387c4d6a4ce1ea9671af003e44b2411d56805a2c90251cff2aa2b11668ec3"`
[INFO] running `"docker" "rm" "-f" "7cb387c4d6a4ce1ea9671af003e44b2411d56805a2c90251cff2aa2b11668ec3"`
[INFO] [stdout] 7cb387c4d6a4ce1ea9671af003e44b2411d56805a2c90251cff2aa2b11668ec3