[INFO] cloning repository https://github.com/jonayerdi/bfi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonayerdi/bfi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonayerdi%2Fbfi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonayerdi%2Fbfi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cf601f856b07c25837eccf0d9fc201784e80251
[INFO] testing jonayerdi/bfi against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonayerdi%2Fbfi" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonayerdi/bfi on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jonayerdi/bfi
[INFO] finished tweaking git repo https://github.com/jonayerdi/bfi
[INFO] tweaked toml for git repo https://github.com/jonayerdi/bfi written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/jonayerdi/bfi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 730de2ce0978fb393e49832109248d2b8c05601695063b99e4e95adb23ab7807
[INFO] running `Command { std: "docker" "start" "-a" "730de2ce0978fb393e49832109248d2b8c05601695063b99e4e95adb23ab7807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "730de2ce0978fb393e49832109248d2b8c05601695063b99e4e95adb23ab7807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730de2ce0978fb393e49832109248d2b8c05601695063b99e4e95adb23ab7807", kill_on_drop: false }`
[INFO] [stdout] 730de2ce0978fb393e49832109248d2b8c05601695063b99e4e95adb23ab7807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f2c8a221fac6468c928425439b9d848f2a002d27f931d9904e9c0976b5fc987
[INFO] running `Command { std: "docker" "start" "-a" "8f2c8a221fac6468c928425439b9d848f2a002d27f931d9904e9c0976b5fc987", kill_on_drop: false }`
[INFO] [stderr]    Compiling bfi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]   --> src/config.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Finite`
[INFO] [stdout]   --> src/config.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Finite(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]   --> src/config.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unchanged`
[INFO] [stdout]   --> src/config.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Unchanged,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]   --> src/config.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]   --> src/config.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode`
[INFO] [stdout]   --> src/decode.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn decode(byte: u8, dump_state: bool) -> Option<Instruction> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `instructions`
[INFO] [stdout]   --> src/decode.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn instructions<I>(iter: I, dump_state: bool) -> Vec<Instruction>
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "8f2c8a221fac6468c928425439b9d848f2a002d27f931d9904e9c0976b5fc987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f2c8a221fac6468c928425439b9d848f2a002d27f931d9904e9c0976b5fc987", kill_on_drop: false }`
[INFO] [stdout] 8f2c8a221fac6468c928425439b9d848f2a002d27f931d9904e9c0976b5fc987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a55edc0ec4993324d38b8edd49db4ae0d19f67761dced276ae32ade0267bc5ca
[INFO] running `Command { std: "docker" "start" "-a" "a55edc0ec4993324d38b8edd49db4ae0d19f67761dced276ae32ade0267bc5ca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bfi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]   --> src/config.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Finite`
[INFO] [stdout]   --> src/config.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Finite(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]   --> src/config.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unchanged`
[INFO] [stdout]   --> src/config.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Unchanged,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]   --> src/config.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]   --> src/config.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.62s
[INFO] running `Command { std: "docker" "inspect" "a55edc0ec4993324d38b8edd49db4ae0d19f67761dced276ae32ade0267bc5ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a55edc0ec4993324d38b8edd49db4ae0d19f67761dced276ae32ade0267bc5ca", kill_on_drop: false }`
[INFO] [stdout] a55edc0ec4993324d38b8edd49db4ae0d19f67761dced276ae32ade0267bc5ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14c8589278e2c2e9dab43f9e12004fe92f559c8734b9101443f9e65b47214e7e
[INFO] running `Command { std: "docker" "start" "-a" "14c8589278e2c2e9dab43f9e12004fe92f559c8734b9101443f9e65b47214e7e", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Error`
[INFO] [stderr]   --> src/config.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Error,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Finite`
[INFO] [stderr]   --> src/config.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Finite(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Error`
[INFO] [stderr]   --> src/config.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Error,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unchanged`
[INFO] [stderr]   --> src/config.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     Unchanged,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Error`
[INFO] [stderr]   --> src/config.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     Error,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Error`
[INFO] [stderr]   --> src/config.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     Error,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `bfi` (bin "bfi" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bfi-a595d6e6c0b5d009)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test state::tests::arithmetic_overflow_error ... ok
[INFO] [stdout] test state::tests::arithmetic_underflow_error ... ok
[INFO] [stdout] test state::tests::debug_info_lf ... ok
[INFO] [stdout] test state::tests::dump_state ... ok
[INFO] [stdout] test state::tests::echo ... ok
[INFO] [stdout] test state::tests::debug_info_crlf ... ok
[INFO] [stdout] test state::tests::helloworld_multiregister ... ok
[INFO] [stdout] test state::tests::input_error ... ok
[INFO] [stdout] test state::tests::helloworld_single_register ... ok
[INFO] [stdout] test state::tests::missing_closing_brace_error ... ok
[INFO] [stdout] test state::tests::missing_opening_brace_error ... ok
[INFO] [stdout] test state::tests::no_debug_info ... ok
[INFO] [stdout] test state::tests::output_error ... ok
[INFO] [stdout] test state::tests::no_dump_state ... ok
[INFO] [stdout] test state::tests::qsort ... ok
[INFO] [stdout] test state::tests::register_overallocation_error ... ok
[INFO] [stdout] test state::tests::register_underflow_error ... ok
[INFO] [stdout] test state::tests::reverse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "14c8589278e2c2e9dab43f9e12004fe92f559c8734b9101443f9e65b47214e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c8589278e2c2e9dab43f9e12004fe92f559c8734b9101443f9e65b47214e7e", kill_on_drop: false }`
[INFO] [stdout] 14c8589278e2c2e9dab43f9e12004fe92f559c8734b9101443f9e65b47214e7e