[INFO] fetching crate robo6502 0.3.2...
[INFO] testing robo6502-0.3.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate robo6502 0.3.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate robo6502 0.3.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate robo6502 0.3.2
[INFO] finished tweaking crates.io crate robo6502 0.3.2
[INFO] tweaked toml for crates.io crate robo6502 0.3.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded machine_int v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e30f97696a516dce0be16e8a67914f528051492b7f8192c8d47aceef91f6294
[INFO] running `Command { std: "docker" "start" "-a" "8e30f97696a516dce0be16e8a67914f528051492b7f8192c8d47aceef91f6294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e30f97696a516dce0be16e8a67914f528051492b7f8192c8d47aceef91f6294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e30f97696a516dce0be16e8a67914f528051492b7f8192c8d47aceef91f6294", kill_on_drop: false }`
[INFO] [stdout] 8e30f97696a516dce0be16e8a67914f528051492b7f8192c8d47aceef91f6294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52e6c5e156f2ba4b7e656847bd5cddc431b7b8f997756a6ca44b06caf297f1be
[INFO] running `Command { std: "docker" "start" "-a" "52e6c5e156f2ba4b7e656847bd5cddc431b7b8f997756a6ca44b06caf297f1be", kill_on_drop: false }`
[INFO] [stderr]    Compiling machine_int v0.1.4
[INFO] [stderr]    Compiling robo6502 v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/cmos/ops/cycle.rs:2208:13
[INFO] [stdout]      |
[INFO] [stdout] 2208 |             _ => unreachable!(),
[INFO] [stdout]      |             ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/cmos/ops.rs:2096:13
[INFO] [stdout]      |
[INFO] [stdout] 2096 |             _ => unreachable!(),
[INFO] [stdout]      |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/nmos/ops/cycle.rs:2746:13
[INFO] [stdout]      |
[INFO] [stdout] 2746 |             _ => unreachable!(),
[INFO] [stdout]      |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/nmos/ops.rs:2248:13
[INFO] [stdout]      |
[INFO] [stdout] 2248 |             _ => unreachable!(),
[INFO] [stdout]      |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "52e6c5e156f2ba4b7e656847bd5cddc431b7b8f997756a6ca44b06caf297f1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e6c5e156f2ba4b7e656847bd5cddc431b7b8f997756a6ca44b06caf297f1be", kill_on_drop: false }`
[INFO] [stdout] 52e6c5e156f2ba4b7e656847bd5cddc431b7b8f997756a6ca44b06caf297f1be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2e951044e11161479d186da7f71290a4599d9e25b7a6b2a631a71be0286ad87
[INFO] running `Command { std: "docker" "start" "-a" "d2e951044e11161479d186da7f71290a4599d9e25b7a6b2a631a71be0286ad87", kill_on_drop: false }`
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/cmos/ops/cycle.rs:2208:13
[INFO] [stdout]      |
[INFO] [stdout] 2208 |             _ => unreachable!(),
[INFO] [stdout]      |             ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/cmos/ops.rs:2096:13
[INFO] [stdout]      |
[INFO] [stdout] 2096 |             _ => unreachable!(),
[INFO] [stdout]      |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/nmos/ops/cycle.rs:2746:13
[INFO] [stdout]      |
[INFO] [stdout] 2746 |             _ => unreachable!(),
[INFO] [stdout]      |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/nmos/ops.rs:2248:13
[INFO] [stdout]      |
[INFO] [stdout] 2248 |             _ => unreachable!(),
[INFO] [stdout]      |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling robo6502 v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> examples/benchmark.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_as_u128)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `duration_as_u128` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/benchmark.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_as_u128)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `robo6502` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/cmos/ops/cycle.rs:2208:13
[INFO] [stdout]      |
[INFO] [stdout] 2208 |             _ => unreachable!(),
[INFO] [stdout]      |             ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/cmos/ops.rs:2096:13
[INFO] [stdout]      |
[INFO] [stdout] 2096 |             _ => unreachable!(),
[INFO] [stdout]      |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/nmos/ops/cycle.rs:2746:13
[INFO] [stdout]      |
[INFO] [stdout] 2746 |             _ => unreachable!(),
[INFO] [stdout]      |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/nmos/ops.rs:2248:13
[INFO] [stdout]      |
[INFO] [stdout] 2248 |             _ => unreachable!(),
[INFO] [stdout]      |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d2e951044e11161479d186da7f71290a4599d9e25b7a6b2a631a71be0286ad87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e951044e11161479d186da7f71290a4599d9e25b7a6b2a631a71be0286ad87", kill_on_drop: false }`
[INFO] [stdout] d2e951044e11161479d186da7f71290a4599d9e25b7a6b2a631a71be0286ad87