[INFO] updating cached repository knoby/cybercon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/knoby/cybercon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/knoby/cybercon" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/knoby/cybercon"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/knoby/cybercon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/knoby/cybercon" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/knoby/cybercon"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/knoby/cybercon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ebd97c2ba4c49d393d97c4ef1c6c3ca90988d22a
[INFO] sha for GitHub repo knoby/cybercon: ebd97c2ba4c49d393d97c4ef1c6c3ca90988d22a
[INFO] validating manifest of knoby/cybercon 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 knoby/cybercon 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 knoby/cybercon
[INFO] finished frobbing knoby/cybercon
[INFO] frobbed toml for knoby/cybercon written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/knoby/cybercon/Cargo.toml
[INFO] started frobbing knoby/cybercon
[INFO] finished frobbing knoby/cybercon
[INFO] frobbed toml for knoby/cybercon written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/knoby/cybercon/Cargo.toml
[INFO] crate knoby/cybercon 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 knoby/cybercon against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/knoby/cybercon:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] d0a0f22adab1cc220a14ef3f89a1fd6ca02b0b0cefc1563c400fda6add9fd12d
[INFO] running `"docker" "start" "-a" "d0a0f22adab1cc220a14ef3f89a1fd6ca02b0b0cefc1563c400fda6add9fd12d"`
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling cybercon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/main.rs:6:2
[INFO] [stderr]   |
[INFO] [stderr] 6 |     cm_com::connect("/dev/ttyUSB0".to_string());
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `"docker" "inspect" "d0a0f22adab1cc220a14ef3f89a1fd6ca02b0b0cefc1563c400fda6add9fd12d"`
[INFO] running `"docker" "rm" "-f" "d0a0f22adab1cc220a14ef3f89a1fd6ca02b0b0cefc1563c400fda6add9fd12d"`
[INFO] [stdout] d0a0f22adab1cc220a14ef3f89a1fd6ca02b0b0cefc1563c400fda6add9fd12d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/knoby/cybercon:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8009f03b9691e6ee099f7f3ef5641d5fc39f99a25bf3fe67ff8e8360c485b0c1
[INFO] running `"docker" "start" "-a" "8009f03b9691e6ee099f7f3ef5641d5fc39f99a25bf3fe67ff8e8360c485b0c1"`
[INFO] [stderr]    Compiling cybercon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/main.rs:6:2
[INFO] [stderr]   |
[INFO] [stderr] 6 |     cm_com::connect("/dev/ttyUSB0".to_string());
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "8009f03b9691e6ee099f7f3ef5641d5fc39f99a25bf3fe67ff8e8360c485b0c1"`
[INFO] running `"docker" "rm" "-f" "8009f03b9691e6ee099f7f3ef5641d5fc39f99a25bf3fe67ff8e8360c485b0c1"`
[INFO] [stdout] 8009f03b9691e6ee099f7f3ef5641d5fc39f99a25bf3fe67ff8e8360c485b0c1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/knoby/cybercon:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 55d16b1c2c693b81ead1908c3cf3e9b3ad0f774c0bc6ebbc1ea71e3a072f7c76
[INFO] running `"docker" "start" "-a" "55d16b1c2c693b81ead1908c3cf3e9b3ad0f774c0bc6ebbc1ea71e3a072f7c76"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cybercon-c7e9f04819c8b524
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test cm_com::msg_gen::tests::msg_check ... ok
[INFO] [stdout] test cm_com::msg_gen::tests::payload_check ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "55d16b1c2c693b81ead1908c3cf3e9b3ad0f774c0bc6ebbc1ea71e3a072f7c76"`
[INFO] running `"docker" "rm" "-f" "55d16b1c2c693b81ead1908c3cf3e9b3ad0f774c0bc6ebbc1ea71e3a072f7c76"`
[INFO] [stdout] 55d16b1c2c693b81ead1908c3cf3e9b3ad0f774c0bc6ebbc1ea71e3a072f7c76