[INFO] fetching crate signum 0.2.1...
[INFO] testing signum-0.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate signum 0.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate signum 0.2.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signum 0.2.1
[INFO] finished tweaking crates.io crate signum 0.2.1
[INFO] tweaked toml for crates.io crate signum 0.2.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cf8202a16a9adeb15104d01efed061137a1ef9d90a601e2cede0047a0a29724
[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" "9cf8202a16a9adeb15104d01efed061137a1ef9d90a601e2cede0047a0a29724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cf8202a16a9adeb15104d01efed061137a1ef9d90a601e2cede0047a0a29724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf8202a16a9adeb15104d01efed061137a1ef9d90a601e2cede0047a0a29724", kill_on_drop: false }`
[INFO] [stdout] 9cf8202a16a9adeb15104d01efed061137a1ef9d90a601e2cede0047a0a29724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5a0d4c7cf4c329e37f5f0467306cb3b47a224a36c96d9147a64cdfb404a3bd9
[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" "a5a0d4c7cf4c329e37f5f0467306cb3b47a224a36c96d9147a64cdfb404a3bd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling signum v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `space_width`
[INFO] [stdout]   --> src/docs/sysp.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     space_width: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `letter_spacing`
[INFO] [stdout]   --> src/docs/sysp.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     letter_spacing: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_distance`
[INFO] [stdout]   --> src/docs/sysp.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     line_distance: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index_distance`
[INFO] [stdout]   --> src/docs/sysp.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     index_distance: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `margin_left`
[INFO] [stdout]   --> src/docs/sysp.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     margin_left: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `margin_right`
[INFO] [stdout]   --> src/docs/sysp.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     margin_right: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]   --> src/docs/sysp.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     header: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `footer`
[INFO] [stdout]   --> src/docs/sysp.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     footer: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `page_length`
[INFO] [stdout]   --> src/docs/sysp.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     page_length: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `page_numbering`
[INFO] [stdout]   --> src/docs/sysp.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     page_numbering: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `format_options`
[INFO] [stdout]   --> src/docs/sysp.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     format_options: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opts_2`
[INFO] [stdout]   --> src/docs/sysp.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     opts_2: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opts_3`
[INFO] [stdout]   --> src/docs/sysp.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     opts_3: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opts_4`
[INFO] [stdout]   --> src/docs/sysp.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     opts_4: Bytes32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `charsets`
[INFO] [stdout]   --> src/docs/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     charsets: Vec<Cow<'a, str>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/images/imc.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     size: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/images/imc.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     width: u16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/images/imc.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     height: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size_of_data`
[INFO] [stdout]   --> src/images/imc.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     size_of_data: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `u4`
[INFO] [stdout]   --> src/images/imc.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     u4: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `u5`
[INFO] [stdout]   --> src/images/imc.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     u5: Bytes32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `u6`
[INFO] [stdout]   --> src/images/imc.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     u6: Bytes32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "a5a0d4c7cf4c329e37f5f0467306cb3b47a224a36c96d9147a64cdfb404a3bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a0d4c7cf4c329e37f5f0467306cb3b47a224a36c96d9147a64cdfb404a3bd9", kill_on_drop: false }`
[INFO] [stdout] a5a0d4c7cf4c329e37f5f0467306cb3b47a224a36c96d9147a64cdfb404a3bd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 75d4ca202a9eed405e358d2ab8131166f073a8fad06e010a808b4ec2bcc1cc95
[INFO] running `Command { std: "docker" "start" "-a" "75d4ca202a9eed405e358d2ab8131166f073a8fad06e010a808b4ec2bcc1cc95", kill_on_drop: false }`
[INFO] [stderr]    Compiling signum v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `space_width`
[INFO] [stdout]   --> src/docs/sysp.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     space_width: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `letter_spacing`
[INFO] [stdout]   --> src/docs/sysp.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     letter_spacing: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_distance`
[INFO] [stdout]   --> src/docs/sysp.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     line_distance: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index_distance`
[INFO] [stdout]   --> src/docs/sysp.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     index_distance: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `margin_left`
[INFO] [stdout]   --> src/docs/sysp.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     margin_left: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `margin_right`
[INFO] [stdout]   --> src/docs/sysp.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     margin_right: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]   --> src/docs/sysp.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     header: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `footer`
[INFO] [stdout]   --> src/docs/sysp.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     footer: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `page_length`
[INFO] [stdout]   --> src/docs/sysp.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     page_length: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `page_numbering`
[INFO] [stdout]   --> src/docs/sysp.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     page_numbering: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `format_options`
[INFO] [stdout]   --> src/docs/sysp.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     format_options: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opts_2`
[INFO] [stdout]   --> src/docs/sysp.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     opts_2: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opts_3`
[INFO] [stdout]   --> src/docs/sysp.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     opts_3: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opts_4`
[INFO] [stdout]   --> src/docs/sysp.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     opts_4: Bytes32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `charsets`
[INFO] [stdout]   --> src/docs/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     charsets: Vec<Cow<'a, str>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/images/imc.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     size: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/images/imc.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     width: u16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/images/imc.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     height: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size_of_data`
[INFO] [stdout]   --> src/images/imc.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     size_of_data: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `u4`
[INFO] [stdout]   --> src/images/imc.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     u4: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `u5`
[INFO] [stdout]   --> src/images/imc.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     u5: Bytes32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `u6`
[INFO] [stdout]   --> src/images/imc.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     u6: Bytes32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `space_width`
[INFO] [stdout]   --> src/docs/sysp.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     space_width: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `letter_spacing`
[INFO] [stdout]   --> src/docs/sysp.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     letter_spacing: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_distance`
[INFO] [stdout]   --> src/docs/sysp.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     line_distance: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index_distance`
[INFO] [stdout]   --> src/docs/sysp.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     index_distance: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `margin_left`
[INFO] [stdout]   --> src/docs/sysp.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     margin_left: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `margin_right`
[INFO] [stdout]   --> src/docs/sysp.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     margin_right: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]   --> src/docs/sysp.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     header: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `footer`
[INFO] [stdout]   --> src/docs/sysp.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     footer: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `page_length`
[INFO] [stdout]   --> src/docs/sysp.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     page_length: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `page_numbering`
[INFO] [stdout]   --> src/docs/sysp.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     page_numbering: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `format_options`
[INFO] [stdout]   --> src/docs/sysp.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     format_options: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opts_2`
[INFO] [stdout]   --> src/docs/sysp.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     opts_2: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opts_3`
[INFO] [stdout]   --> src/docs/sysp.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     opts_3: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opts_4`
[INFO] [stdout]   --> src/docs/sysp.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     opts_4: Bytes32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `charsets`
[INFO] [stdout]   --> src/docs/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     charsets: Vec<Cow<'a, str>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/images/imc.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     size: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/images/imc.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     width: u16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/images/imc.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     height: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size_of_data`
[INFO] [stdout]   --> src/images/imc.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     size_of_data: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `u4`
[INFO] [stdout]   --> src/images/imc.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     u4: Bytes16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `u5`
[INFO] [stdout]   --> src/images/imc.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     u5: Bytes32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `u6`
[INFO] [stdout]   --> src/images/imc.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     u6: Bytes32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "75d4ca202a9eed405e358d2ab8131166f073a8fad06e010a808b4ec2bcc1cc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d4ca202a9eed405e358d2ab8131166f073a8fad06e010a808b4ec2bcc1cc95", kill_on_drop: false }`
[INFO] [stdout] 75d4ca202a9eed405e358d2ab8131166f073a8fad06e010a808b4ec2bcc1cc95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95e62cd4ea15ce924e9f3426a7fe98f89a3705962b7209a359da56a7dc11a64a
[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" "95e62cd4ea15ce924e9f3426a7fe98f89a3705962b7209a359da56a7dc11a64a", 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] [stderr] warning: field is never read: `space_width`
[INFO] [stderr]   --> src/docs/sysp.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     space_width: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `letter_spacing`
[INFO] [stderr]   --> src/docs/sysp.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     letter_spacing: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line_distance`
[INFO] [stderr]   --> src/docs/sysp.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     line_distance: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `index_distance`
[INFO] [stderr]   --> src/docs/sysp.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     index_distance: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `margin_left`
[INFO] [stderr]   --> src/docs/sysp.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     margin_left: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `margin_right`
[INFO] [stderr]   --> src/docs/sysp.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     margin_right: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `header`
[INFO] [stderr]   --> src/docs/sysp.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     header: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `footer`
[INFO] [stderr]   --> src/docs/sysp.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     footer: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `page_length`
[INFO] [stderr]   --> src/docs/sysp.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     page_length: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `page_numbering`
[INFO] [stderr]   --> src/docs/sysp.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     page_numbering: Bytes16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `format_options`
[INFO] [stderr]   --> src/docs/sysp.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     format_options: Bytes16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `opts_2`
[INFO] [stderr]   --> src/docs/sysp.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     opts_2: Bytes16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `opts_3`
[INFO] [stderr]   --> src/docs/sysp.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     opts_3: Bytes16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `opts_4`
[INFO] [stderr]   --> src/docs/sysp.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     opts_4: Bytes32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `charsets`
[INFO] [stderr]   --> src/docs/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     charsets: Vec<Cow<'a, str>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]   --> src/images/imc.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     size: u32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]   --> src/images/imc.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     width: u16,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]   --> src/images/imc.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     height: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size_of_data`
[INFO] [stderr]   --> src/images/imc.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     size_of_data: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `u4`
[INFO] [stderr]   --> src/images/imc.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     u4: Bytes16,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `u5`
[INFO] [stderr]   --> src/images/imc.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     u5: Bytes32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `u6`
[INFO] [stderr]   --> src/images/imc.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     u6: Bytes32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `signum` (lib) generated 22 warnings
[INFO] [stderr] warning: `signum` (lib test) generated 22 warnings (22 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/signum-7401719d26f325c0)
[INFO] [stderr]    Doc-tests signum
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/chsets/mod.rs - chsets::UseTable::first_last (line 27) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/chsets/mod.rs - chsets::UseTable::first_last (line 27) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sdo`
[INFO] [stdout]  --> src/chsets/mod.rs:28:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sdo::font::UseTable;
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `sdo`
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `UseTable` in this scope
[INFO] [stdout]  --> src/chsets/mod.rs:30:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | let use_table = UseTable { chars };
[INFO] [stdout]   |                 ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use signum::chsets::UseTable;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `UseTable` in this scope
[INFO] [stdout]  --> src/chsets/mod.rs:33:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | let use_table = UseTable { chars };
[INFO] [stdout]   |                 ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use signum::chsets::UseTable;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `UseTable` in this scope
[INFO] [stdout]   --> src/chsets/mod.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | let use_table = UseTable { chars };
[INFO] [stdout]    |                 ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  | use signum::chsets::UseTable;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/chsets/mod.rs - chsets::UseTable::first_last (line 27)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "95e62cd4ea15ce924e9f3426a7fe98f89a3705962b7209a359da56a7dc11a64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e62cd4ea15ce924e9f3426a7fe98f89a3705962b7209a359da56a7dc11a64a", kill_on_drop: false }`
[INFO] [stdout] 95e62cd4ea15ce924e9f3426a7fe98f89a3705962b7209a359da56a7dc11a64a