[INFO] cloning repository https://github.com/rocinante42/16bit_virtual_machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rocinante42/16bit_virtual_machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocinante42%2F16bit_virtual_machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocinante42%2F16bit_virtual_machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 391b5a78d0ba07472b164eeb52b1a58c0e842652
[INFO] checking rocinante42/16bit_virtual_machine against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocinante42%2F16bit_virtual_machine" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rocinante42/16bit_virtual_machine
[INFO] finished tweaking git repo https://github.com/rocinante42/16bit_virtual_machine
[INFO] tweaked toml for git repo https://github.com/rocinante42/16bit_virtual_machine written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rocinante42/16bit_virtual_machine on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rocinante42/16bit_virtual_machine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0159214c7e8147d618f61a7e6fecfcfc3bba2d8ac9b14d957cd359e9b5d5491
[INFO] running `Command { std: "docker" "start" "-a" "b0159214c7e8147d618f61a7e6fecfcfc3bba2d8ac9b14d957cd359e9b5d5491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0159214c7e8147d618f61a7e6fecfcfc3bba2d8ac9b14d957cd359e9b5d5491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0159214c7e8147d618f61a7e6fecfcfc3bba2d8ac9b14d957cd359e9b5d5491", kill_on_drop: false }`
[INFO] [stdout] b0159214c7e8147d618f61a7e6fecfcfc3bba2d8ac9b14d957cd359e9b5d5491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5105dfb94f6cc7720699f6202816278ca978d94c671cc2388d56ee5955c0fe99
[INFO] running `Command { std: "docker" "start" "-a" "5105dfb94f6cc7720699f6202816278ca978d94c671cc2388d56ee5955c0fe99", kill_on_drop: false }`
[INFO] [stderr]     Checking virtual_machine16bit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0605]: non-primitive cast: `Op` as `u8`
[INFO] [stdout]    --> src/main.rs:120:23
[INFO] [stdout]     |
[INFO] [stdout] 120 |             x if x == Op::Nop as u8 => Ok(()),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^ an `as` expression can be used to convert enum types to numeric types only if the enum type is unit-only or field-less
[INFO] [stdout]     |
[INFO] [stdout]     = note: see https://doc.rust-lang.org/reference/items/enumerations.html#casting for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0605`.
[INFO] [stdout] 
[INFO] [stdout] error[E0605]: non-primitive cast: `Op` as `u8`
[INFO] [stdout]    --> src/main.rs:120:23
[INFO] [stdout]     |
[INFO] [stdout] 120 |             x if x == Op::Nop as u8 => Ok(()),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^ an `as` expression can be used to convert enum types to numeric types only if the enum type is unit-only or field-less
[INFO] [stdout]     |
[INFO] [stdout]     = note: see https://doc.rust-lang.org/reference/items/enumerations.html#casting for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0605`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `virtual_machine16bit` (bin "virtual_machine16bit") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `virtual_machine16bit` (bin "virtual_machine16bit" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5105dfb94f6cc7720699f6202816278ca978d94c671cc2388d56ee5955c0fe99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5105dfb94f6cc7720699f6202816278ca978d94c671cc2388d56ee5955c0fe99", kill_on_drop: false }`
[INFO] [stdout] 5105dfb94f6cc7720699f6202816278ca978d94c671cc2388d56ee5955c0fe99