[INFO] fetching crate robo6502 0.3.2...
[INFO] testing robo6502-0.3.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate robo6502 0.3.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate robo6502 0.3.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eef083de2892a0459e09d5721d4cca3178875d64ce6607fb1130b92b09ffdda9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eef083de2892a0459e09d5721d4cca3178875d64ce6607fb1130b92b09ffdda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eef083de2892a0459e09d5721d4cca3178875d64ce6607fb1130b92b09ffdda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef083de2892a0459e09d5721d4cca3178875d64ce6607fb1130b92b09ffdda9", kill_on_drop: false }`
[INFO] [stdout] eef083de2892a0459e09d5721d4cca3178875d64ce6607fb1130b92b09ffdda9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2a0c91821969f096d317bcc62e975e31e59db7c966fdcf4f45c25209594944c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c2a0c91821969f096d317bcc62e975e31e59db7c966fdcf4f45c25209594944c", 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 3.47s
[INFO] running `Command { std: "docker" "inspect" "c2a0c91821969f096d317bcc62e975e31e59db7c966fdcf4f45c25209594944c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a0c91821969f096d317bcc62e975e31e59db7c966fdcf4f45c25209594944c", kill_on_drop: false }`
[INFO] [stdout] c2a0c91821969f096d317bcc62e975e31e59db7c966fdcf4f45c25209594944c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c6636632d0d6e07dfcbeb80194796e7c5cee5feeb641ce425924f9df9451845
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9c6636632d0d6e07dfcbeb80194796e7c5cee5feeb641ce425924f9df9451845", kill_on_drop: false }`
[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] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> examples/benchmark.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_as_u128)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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
[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" "9c6636632d0d6e07dfcbeb80194796e7c5cee5feeb641ce425924f9df9451845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c6636632d0d6e07dfcbeb80194796e7c5cee5feeb641ce425924f9df9451845", kill_on_drop: false }`
[INFO] [stdout] 9c6636632d0d6e07dfcbeb80194796e7c5cee5feeb641ce425924f9df9451845