[INFO] cloning repository https://github.com/frerich/rustbf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frerich/rustbf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrerich%2Frustbf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrerich%2Frustbf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7b077970b925f6ca17aefe4c3083742a012ad00
[INFO] testing frerich/rustbf 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%2Ffrerich%2Frustbf" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frerich/rustbf 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/frerich/rustbf
[INFO] finished tweaking git repo https://github.com/frerich/rustbf
[INFO] tweaked toml for git repo https://github.com/frerich/rustbf written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/frerich/rustbf 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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 0d8f18759a6707393cb7308c024e81b4a79bcdca4f89e1ee327e36888b0b52a0
[INFO] running `Command { std: "docker" "start" "-a" "0d8f18759a6707393cb7308c024e81b4a79bcdca4f89e1ee327e36888b0b52a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d8f18759a6707393cb7308c024e81b4a79bcdca4f89e1ee327e36888b0b52a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8f18759a6707393cb7308c024e81b4a79bcdca4f89e1ee327e36888b0b52a0", kill_on_drop: false }`
[INFO] [stdout] 0d8f18759a6707393cb7308c024e81b4a79bcdca4f89e1ee327e36888b0b52a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] be449a6f3765f9c626874e5fa6729a1639b16c543f36424ac394702a6aacb182
[INFO] running `Command { std: "docker" "start" "-a" "be449a6f3765f9c626874e5fa6729a1639b16c543f36424ac394702a6aacb182", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustbf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/main.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn run(self: &mut Machine, program: &BFProgram) -> io::Result<()> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:360:13
[INFO] [stdout]     |
[INFO] [stdout] 360 |             machine.run_optimized(&optimized_program);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "be449a6f3765f9c626874e5fa6729a1639b16c543f36424ac394702a6aacb182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be449a6f3765f9c626874e5fa6729a1639b16c543f36424ac394702a6aacb182", kill_on_drop: false }`
[INFO] [stdout] be449a6f3765f9c626874e5fa6729a1639b16c543f36424ac394702a6aacb182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 1192544778d02576b091bc4638b33112e85b4456361b79cb9b53f048de126e6d
[INFO] running `Command { std: "docker" "start" "-a" "1192544778d02576b091bc4638b33112e85b4456361b79cb9b53f048de126e6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/main.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn run(self: &mut Machine, program: &BFProgram) -> io::Result<()> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:360:13
[INFO] [stdout]     |
[INFO] [stdout] 360 |             machine.run_optimized(&optimized_program);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rustbf-beb55c3fccd14877)
[INFO] running `Command { std: "docker" "inspect" "1192544778d02576b091bc4638b33112e85b4456361b79cb9b53f048de126e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1192544778d02576b091bc4638b33112e85b4456361b79cb9b53f048de126e6d", kill_on_drop: false }`
[INFO] [stdout] 1192544778d02576b091bc4638b33112e85b4456361b79cb9b53f048de126e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 829cbb2612b0ac4ccbd391711857f004a5a8d253bbc17f979da883c00004c928
[INFO] running `Command { std: "docker" "start" "-a" "829cbb2612b0ac4ccbd391711857f004a5a8d253bbc17f979da883c00004c928", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]    --> src/main.rs:206:8
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fn run(self: &mut Machine, program: &BFProgram) -> io::Result<()> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:360:13
[INFO] [stderr]     |
[INFO] [stderr] 360 |             machine.run_optimized(&optimized_program);
[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] warning: `rustbf` (bin "rustbf" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustbf-beb55c3fccd14877)
[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" "829cbb2612b0ac4ccbd391711857f004a5a8d253bbc17f979da883c00004c928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "829cbb2612b0ac4ccbd391711857f004a5a8d253bbc17f979da883c00004c928", kill_on_drop: false }`
[INFO] [stdout] 829cbb2612b0ac4ccbd391711857f004a5a8d253bbc17f979da883c00004c928