[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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/yoctoctet/chip8-dasm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/yoctoctet/chip8-dasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yoctoctet/chip8-dasm" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/yoctoctet/chip8-dasm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yoctoctet/chip8-dasm on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking yoctoctet/chip8-dasm against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2c63a4c9ae54ec9c23d42f20fa3e7b2f6aa20d18517d5ae23282f6c9a614c087
[INFO] running `"docker" "start" "-a" "2c63a4c9ae54ec9c23d42f20fa3e7b2f6aa20d18517d5ae23282f6c9a614c087"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking colored v1.6.1
[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 5.43s
[INFO] running `"docker" "inspect" "2c63a4c9ae54ec9c23d42f20fa3e7b2f6aa20d18517d5ae23282f6c9a614c087"`
[INFO] running `"docker" "rm" "-f" "2c63a4c9ae54ec9c23d42f20fa3e7b2f6aa20d18517d5ae23282f6c9a614c087"`
[INFO] [stdout] 2c63a4c9ae54ec9c23d42f20fa3e7b2f6aa20d18517d5ae23282f6c9a614c087