[INFO] fetching crate vga 0.2.7...
[INFO] checking vga-0.2.7 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate vga 0.2.7 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate vga 0.2.7 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/rust-toolchain
[INFO] started tweaking crates.io crate vga 0.2.7
[INFO] finished tweaking crates.io crate vga 0.2.7
[INFO] tweaked toml for crates.io crate vga 0.2.7 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1da068443c5dc9fa01e61c0c6de3589ea509c6006e44d35ee428529e51b2bce
[INFO] running `Command { std: "docker" "start" "-a" "e1da068443c5dc9fa01e61c0c6de3589ea509c6006e44d35ee428529e51b2bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1da068443c5dc9fa01e61c0c6de3589ea509c6006e44d35ee428529e51b2bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1da068443c5dc9fa01e61c0c6de3589ea509c6006e44d35ee428529e51b2bce", kill_on_drop: false }`
[INFO] [stdout] e1da068443c5dc9fa01e61c0c6de3589ea509c6006e44d35ee428529e51b2bce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a3b9d8a8190f7ef1d76f2cbdba019a311983e665b451e8960b55029d9b4781d
[INFO] running `Command { std: "docker" "start" "-a" "9a3b9d8a8190f7ef1d76f2cbdba019a311983e665b451e8960b55029d9b4781d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling x86_64 v0.14.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]     Checking font8x8 v0.3.1
[INFO] [stderr]     Checking conquer-once v0.3.2
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking vga v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `st00_read`
[INFO] [stdout]   --> src/registers/general.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     st00_read: PortReadOnly<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st01_read_cga`
[INFO] [stdout]   --> src/registers/general.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     st01_read_cga: PortReadOnly<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st01_read_mda`
[INFO] [stdout]   --> src/registers/general.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     st01_read_mda: PortReadOnly<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fcr_read`
[INFO] [stdout]   --> src/registers/general.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fcr_read: PortReadOnly<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fcr_write_cga`
[INFO] [stdout]   --> src/registers/general.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fcr_write_cga: PortWriteOnly<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fcr_write_mda`
[INFO] [stdout]   --> src/registers/general.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fcr_write_mda: PortWriteOnly<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st00_read`
[INFO] [stdout]   --> src/registers/general.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     st00_read: PortReadOnly<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st01_read_cga`
[INFO] [stdout]   --> src/registers/general.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     st01_read_cga: PortReadOnly<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `st01_read_mda`
[INFO] [stdout]   --> src/registers/general.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     st01_read_mda: PortReadOnly<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fcr_read`
[INFO] [stdout]   --> src/registers/general.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fcr_read: PortReadOnly<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fcr_write_cga`
[INFO] [stdout]   --> src/registers/general.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fcr_write_cga: PortWriteOnly<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fcr_write_mda`
[INFO] [stdout]   --> src/registers/general.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fcr_write_mda: PortWriteOnly<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "9a3b9d8a8190f7ef1d76f2cbdba019a311983e665b451e8960b55029d9b4781d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3b9d8a8190f7ef1d76f2cbdba019a311983e665b451e8960b55029d9b4781d", kill_on_drop: false }`
[INFO] [stdout] 9a3b9d8a8190f7ef1d76f2cbdba019a311983e665b451e8960b55029d9b4781d