[INFO] fetching crate sh1107-driver 0.1.0...
[INFO] testing sh1107-driver-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate sh1107-driver 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate sh1107-driver 0.1.0
[INFO] finished tweaking crates.io crate sh1107-driver 0.1.0
[INFO] tweaked toml for crates.io crate sh1107-driver 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sh1107-driver 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sh1107-driver 0.1.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cca7804359c2ec75938bf1e4f633c54a42d74fd801bb9ab55e616059c7b7a8e5
[INFO] running `Command { std: "docker" "start" "-a" "cca7804359c2ec75938bf1e4f633c54a42d74fd801bb9ab55e616059c7b7a8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cca7804359c2ec75938bf1e4f633c54a42d74fd801bb9ab55e616059c7b7a8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca7804359c2ec75938bf1e4f633c54a42d74fd801bb9ab55e616059c7b7a8e5", kill_on_drop: false }`
[INFO] [stdout] cca7804359c2ec75938bf1e4f633c54a42d74fd801bb9ab55e616059c7b7a8e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8590cbf8167ac1e76300f1cbaa7409d136c0fb0e5dd5baf01a30e8593db59f69
[INFO] running `Command { std: "docker" "start" "-a" "8590cbf8167ac1e76300f1cbaa7409d136c0fb0e5dd5baf01a30e8593db59f69", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling sh1107-driver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_COLUMNADDR` is never used
[INFO] [stdout]  --> src/lib.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const SH110X_COLUMNADDR: u8 = 0x21;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_PAGEADDR` is never used
[INFO] [stdout]  --> src/lib.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const SH110X_PAGEADDR: u8 = 0x22;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_CHARGEPUMP` is never used
[INFO] [stdout]  --> src/lib.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const SH110X_CHARGEPUMP: u8 = 0x8D;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_DISPLAYALLON` is never used
[INFO] [stdout]   --> src/lib.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const SH110X_DISPLAYALLON: u8 = 0xA5;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_INVERTDISPLAY` is never used
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const SH110X_INVERTDISPLAY: u8 = 0xA7;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_COMSCANDEC` is never used
[INFO] [stdout]   --> src/lib.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const SH110X_COMSCANDEC: u8 = 0xC8;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_SETCOMPINS` is never used
[INFO] [stdout]   --> src/lib.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const SH110X_SETCOMPINS: u8 = 0xDA;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_SETLOWCOLUMN` is never used
[INFO] [stdout]   --> src/lib.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const SH110X_SETLOWCOLUMN: u32 = 0x00;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_SETHIGHCOLUMN` is never used
[INFO] [stdout]   --> src/lib.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const SH110X_SETHIGHCOLUMN: u32 = 0x10;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_SETSTARTLINE` is never used
[INFO] [stdout]   --> src/lib.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | const SH110X_SETSTARTLINE: u32 = 0x40;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BYTES_PER_PAGE` is never used
[INFO] [stdout]   --> src/lib.rs:57:7
[INFO] [stdout]    |
[INFO] [stdout] 57 | const BYTES_PER_PAGE: u8 = WIDTH as u8;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BUFFER` is never used
[INFO] [stdout]   --> src/lib.rs:59:7
[INFO] [stdout]    |
[INFO] [stdout] 59 | const MAX_BUFFER: u8 = 128 - 1; // bytes
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/lib.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl DirtyPages {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn clear(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display_byte` is never used
[INFO] [stdout]    --> src/lib.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl<I2C: I2c> SH1107<I2C> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 210 |     fn display_byte(&mut self, page: u8, start_offset: u8, byte: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "8590cbf8167ac1e76300f1cbaa7409d136c0fb0e5dd5baf01a30e8593db59f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8590cbf8167ac1e76300f1cbaa7409d136c0fb0e5dd5baf01a30e8593db59f69", kill_on_drop: false }`
[INFO] [stdout] 8590cbf8167ac1e76300f1cbaa7409d136c0fb0e5dd5baf01a30e8593db59f69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acf8f5f214eec3973e06ec8902b14e90e752004599cb3f3e02d3120bd252f4fc
[INFO] running `Command { std: "docker" "start" "-a" "acf8f5f214eec3973e06ec8902b14e90e752004599cb3f3e02d3120bd252f4fc", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sh1107-driver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `SH110X_COLUMNADDR` is never used
[INFO] [stdout]  --> src/lib.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const SH110X_COLUMNADDR: u8 = 0x21;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_PAGEADDR` is never used
[INFO] [stdout]  --> src/lib.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const SH110X_PAGEADDR: u8 = 0x22;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_CHARGEPUMP` is never used
[INFO] [stdout]  --> src/lib.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const SH110X_CHARGEPUMP: u8 = 0x8D;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_DISPLAYALLON` is never used
[INFO] [stdout]   --> src/lib.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const SH110X_DISPLAYALLON: u8 = 0xA5;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_INVERTDISPLAY` is never used
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const SH110X_INVERTDISPLAY: u8 = 0xA7;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_COMSCANDEC` is never used
[INFO] [stdout]   --> src/lib.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const SH110X_COMSCANDEC: u8 = 0xC8;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_SETCOMPINS` is never used
[INFO] [stdout]   --> src/lib.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const SH110X_SETCOMPINS: u8 = 0xDA;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_SETLOWCOLUMN` is never used
[INFO] [stdout]   --> src/lib.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const SH110X_SETLOWCOLUMN: u32 = 0x00;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_SETHIGHCOLUMN` is never used
[INFO] [stdout]   --> src/lib.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const SH110X_SETHIGHCOLUMN: u32 = 0x10;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_SETSTARTLINE` is never used
[INFO] [stdout]   --> src/lib.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | const SH110X_SETSTARTLINE: u32 = 0x40;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BYTES_PER_PAGE` is never used
[INFO] [stdout]   --> src/lib.rs:57:7
[INFO] [stdout]    |
[INFO] [stdout] 57 | const BYTES_PER_PAGE: u8 = WIDTH as u8;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BUFFER` is never used
[INFO] [stdout]   --> src/lib.rs:59:7
[INFO] [stdout]    |
[INFO] [stdout] 59 | const MAX_BUFFER: u8 = 128 - 1; // bytes
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/lib.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl DirtyPages {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn clear(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display_byte` is never used
[INFO] [stdout]    --> src/lib.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl<I2C: I2c> SH1107<I2C> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 210 |     fn display_byte(&mut self, page: u8, start_offset: u8, byte: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:721:9
[INFO] [stdout]     |
[INFO] [stdout] 721 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_COLUMNADDR` is never used
[INFO] [stdout]  --> src/lib.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const SH110X_COLUMNADDR: u8 = 0x21;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_PAGEADDR` is never used
[INFO] [stdout]  --> src/lib.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const SH110X_PAGEADDR: u8 = 0x22;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_CHARGEPUMP` is never used
[INFO] [stdout]  --> src/lib.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const SH110X_CHARGEPUMP: u8 = 0x8D;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_DISPLAYALLON` is never used
[INFO] [stdout]   --> src/lib.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const SH110X_DISPLAYALLON: u8 = 0xA5;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_INVERTDISPLAY` is never used
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const SH110X_INVERTDISPLAY: u8 = 0xA7;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_COMSCANDEC` is never used
[INFO] [stdout]   --> src/lib.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const SH110X_COMSCANDEC: u8 = 0xC8;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_SETCOMPINS` is never used
[INFO] [stdout]   --> src/lib.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const SH110X_SETCOMPINS: u8 = 0xDA;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_SETLOWCOLUMN` is never used
[INFO] [stdout]   --> src/lib.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const SH110X_SETLOWCOLUMN: u32 = 0x00;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_SETHIGHCOLUMN` is never used
[INFO] [stdout]   --> src/lib.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const SH110X_SETHIGHCOLUMN: u32 = 0x10;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SH110X_SETSTARTLINE` is never used
[INFO] [stdout]   --> src/lib.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | const SH110X_SETSTARTLINE: u32 = 0x40;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BYTES_PER_PAGE` is never used
[INFO] [stdout]   --> src/lib.rs:57:7
[INFO] [stdout]    |
[INFO] [stdout] 57 | const BYTES_PER_PAGE: u8 = WIDTH as u8;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BUFFER` is never used
[INFO] [stdout]   --> src/lib.rs:59:7
[INFO] [stdout]    |
[INFO] [stdout] 59 | const MAX_BUFFER: u8 = 128 - 1; // bytes
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/lib.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl DirtyPages {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn clear(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display_byte` is never used
[INFO] [stdout]    --> src/lib.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl<I2C: I2c> SH1107<I2C> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 210 |     fn display_byte(&mut self, page: u8, start_offset: u8, byte: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "acf8f5f214eec3973e06ec8902b14e90e752004599cb3f3e02d3120bd252f4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf8f5f214eec3973e06ec8902b14e90e752004599cb3f3e02d3120bd252f4fc", kill_on_drop: false }`
[INFO] [stdout] acf8f5f214eec3973e06ec8902b14e90e752004599cb3f3e02d3120bd252f4fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c78c5fd8e35df473285fbcf93ea3c9cc9f3a870ee3cddbc332eec15027056222
[INFO] running `Command { std: "docker" "start" "-a" "c78c5fd8e35df473285fbcf93ea3c9cc9f3a870ee3cddbc332eec15027056222", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/lib.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |             Err(e) => {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SH110X_COLUMNADDR` is never used
[INFO] [stderr]  --> src/lib.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | const SH110X_COLUMNADDR: u8 = 0x21;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SH110X_PAGEADDR` is never used
[INFO] [stderr]  --> src/lib.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | const SH110X_PAGEADDR: u8 = 0x22;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SH110X_CHARGEPUMP` is never used
[INFO] [stderr]  --> src/lib.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 | const SH110X_CHARGEPUMP: u8 = 0x8D;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SH110X_DISPLAYALLON` is never used
[INFO] [stderr]   --> src/lib.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 | const SH110X_DISPLAYALLON: u8 = 0xA5;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SH110X_INVERTDISPLAY` is never used
[INFO] [stderr]   --> src/lib.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 | const SH110X_INVERTDISPLAY: u8 = 0xA7;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SH110X_COMSCANDEC` is never used
[INFO] [stderr]   --> src/lib.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 | const SH110X_COMSCANDEC: u8 = 0xC8;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SH110X_SETCOMPINS` is never used
[INFO] [stderr]   --> src/lib.rs:28:7
[INFO] [stderr]    |
[INFO] [stderr] 28 | const SH110X_SETCOMPINS: u8 = 0xDA;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SH110X_SETLOWCOLUMN` is never used
[INFO] [stderr]   --> src/lib.rs:35:7
[INFO] [stderr]    |
[INFO] [stderr] 35 | const SH110X_SETLOWCOLUMN: u32 = 0x00;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SH110X_SETHIGHCOLUMN` is never used
[INFO] [stderr]   --> src/lib.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 | const SH110X_SETHIGHCOLUMN: u32 = 0x10;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SH110X_SETSTARTLINE` is never used
[INFO] [stderr]   --> src/lib.rs:39:7
[INFO] [stderr]    |
[INFO] [stderr] 39 | const SH110X_SETSTARTLINE: u32 = 0x40;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BYTES_PER_PAGE` is never used
[INFO] [stderr]   --> src/lib.rs:57:7
[INFO] [stderr]    |
[INFO] [stderr] 57 | const BYTES_PER_PAGE: u8 = WIDTH as u8;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MAX_BUFFER` is never used
[INFO] [stderr]   --> src/lib.rs:59:7
[INFO] [stderr]    |
[INFO] [stderr] 59 | const MAX_BUFFER: u8 = 128 - 1; // bytes
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `clear` is never used
[INFO] [stderr]   --> src/lib.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 72 | impl DirtyPages {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 77 |     fn clear(&mut self) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `display_byte` is never used
[INFO] [stderr]    --> src/lib.rs:210:8
[INFO] [stderr]     |
[INFO] [stderr] 127 | impl<I2C: I2c> SH1107<I2C> {
[INFO] [stderr]     | -------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 210 |     fn display_byte(&mut self, page: u8, start_offset: u8, byte: u8) {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sh1107-driver` (lib) generated 15 warnings
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/lib.rs:721:9
[INFO] [stderr]     |
[INFO] [stderr] 721 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sh1107-driver` (lib test) generated 16 warnings (15 duplicates) (run `cargo fix --lib -p sh1107-driver --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sh1107_driver-da28fc982f5f8b85)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sh1107_driver
[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] running `Command { std: "docker" "inspect" "c78c5fd8e35df473285fbcf93ea3c9cc9f3a870ee3cddbc332eec15027056222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78c5fd8e35df473285fbcf93ea3c9cc9f3a870ee3cddbc332eec15027056222", kill_on_drop: false }`
[INFO] [stdout] c78c5fd8e35df473285fbcf93ea3c9cc9f3a870ee3cddbc332eec15027056222