[INFO] cloning repository https://github.com/drm-solister/hex_convert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drm-solister/hex_convert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrm-solister%2Fhex_convert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrm-solister%2Fhex_convert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cae739d6a3f79595079e9c35bb9b772edfd84855
[INFO] testing drm-solister/hex_convert against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrm-solister%2Fhex_convert" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drm-solister/hex_convert on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drm-solister/hex_convert
[INFO] finished tweaking git repo https://github.com/drm-solister/hex_convert
[INFO] tweaked toml for git repo https://github.com/drm-solister/hex_convert written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/drm-solister/hex_convert already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea8608bf79bed69c9b0bbe62656900cda09bde4e1d3d78ef38762080ef02f488
[INFO] running `Command { std: "docker" "start" "-a" "ea8608bf79bed69c9b0bbe62656900cda09bde4e1d3d78ef38762080ef02f488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea8608bf79bed69c9b0bbe62656900cda09bde4e1d3d78ef38762080ef02f488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8608bf79bed69c9b0bbe62656900cda09bde4e1d3d78ef38762080ef02f488", kill_on_drop: false }`
[INFO] [stdout] ea8608bf79bed69c9b0bbe62656900cda09bde4e1d3d78ef38762080ef02f488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] def5cd259d3231bc890b037f96858f922a1bbc69db8935cba20b97c3d08cb1d8
[INFO] running `Command { std: "docker" "start" "-a" "def5cd259d3231bc890b037f96858f922a1bbc69db8935cba20b97c3d08cb1d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling input-event-codes v0.2.2
[INFO] [stderr]    Compiling x11 v2.19.1
[INFO] [stderr]    Compiling device_query v1.0.0
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling pancurses v0.17.0
[INFO] [stderr]    Compiling getch v0.3.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling hex_convert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `output_bits`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let output_bits = 8; // by default will output to 8 bits
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_bits`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 42s
[INFO] running `Command { std: "docker" "inspect" "def5cd259d3231bc890b037f96858f922a1bbc69db8935cba20b97c3d08cb1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def5cd259d3231bc890b037f96858f922a1bbc69db8935cba20b97c3d08cb1d8", kill_on_drop: false }`
[INFO] [stdout] def5cd259d3231bc890b037f96858f922a1bbc69db8935cba20b97c3d08cb1d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f45da490046196faf4c20859172c231935acbf05ae68571cf334f46f085e98d9
[INFO] running `Command { std: "docker" "start" "-a" "f45da490046196faf4c20859172c231935acbf05ae68571cf334f46f085e98d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hex_convert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `output_bits`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let output_bits = 8; // by default will output to 8 bits
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_bits`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/hex_convert-e544fb74716ca4d6)
[INFO] running `Command { std: "docker" "inspect" "f45da490046196faf4c20859172c231935acbf05ae68571cf334f46f085e98d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45da490046196faf4c20859172c231935acbf05ae68571cf334f46f085e98d9", kill_on_drop: false }`
[INFO] [stdout] f45da490046196faf4c20859172c231935acbf05ae68571cf334f46f085e98d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 93fc717712dfe39c3daf34c04beb55facf872be6e1cc381e714446324e0d0f74
[INFO] running `Command { std: "docker" "start" "-a" "93fc717712dfe39c3daf34c04beb55facf872be6e1cc381e714446324e0d0f74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `output_bits`
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let output_bits = 8; // by default will output to 8 bits
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_bits`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hex_convert` (bin "hex_convert" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hex_convert-e544fb74716ca4d6)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "93fc717712dfe39c3daf34c04beb55facf872be6e1cc381e714446324e0d0f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93fc717712dfe39c3daf34c04beb55facf872be6e1cc381e714446324e0d0f74", kill_on_drop: false }`
[INFO] [stdout] 93fc717712dfe39c3daf34c04beb55facf872be6e1cc381e714446324e0d0f74