[INFO] fetching crate lcd1602rgb-rs 0.2.0...
[INFO] checking lcd1602rgb-rs-0.2.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate lcd1602rgb-rs 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate lcd1602rgb-rs 0.2.0
[INFO] finished tweaking crates.io crate lcd1602rgb-rs 0.2.0
[INFO] tweaked toml for crates.io crate lcd1602rgb-rs 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lcd1602rgb-rs 0.2.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b92e77f1a538c69cd7e1d72ae491d83fcb8a7b389b41863fb47a104e2f672401
[INFO] running `Command { std: "docker" "start" "-a" "b92e77f1a538c69cd7e1d72ae491d83fcb8a7b389b41863fb47a104e2f672401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b92e77f1a538c69cd7e1d72ae491d83fcb8a7b389b41863fb47a104e2f672401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b92e77f1a538c69cd7e1d72ae491d83fcb8a7b389b41863fb47a104e2f672401", kill_on_drop: false }`
[INFO] [stdout] b92e77f1a538c69cd7e1d72ae491d83fcb8a7b389b41863fb47a104e2f672401
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78dcd995433f7fc5da943462b8742ad17537da8afe853ec03c205bb90a9d4acb
[INFO] running `Command { std: "docker" "start" "-a" "78dcd995433f7fc5da943462b8742ad17537da8afe853ec03c205bb90a9d4acb", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking lcd1602rgb-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `WHITE` is never used
[INFO] [stdout]  --> src/consts.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const WHITE: u8 = 0;
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RED` is never used
[INFO] [stdout]  --> src/consts.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const RED: u8 = 1;
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GREEN` is never used
[INFO] [stdout]  --> src/consts.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const GREEN: u8 = 2;
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLUE` is never used
[INFO] [stdout]  --> src/consts.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const BLUE: u8 = 3;
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_RETURNHOME` is never used
[INFO] [stdout]   --> src/consts.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const LCD_RETURNHOME: u8 = 0x02;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_CURSORSHIFT` is never used
[INFO] [stdout]   --> src/consts.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const LCD_CURSORSHIFT: u8 = 0x10;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_SETCGRAMADDR` is never used
[INFO] [stdout]   --> src/consts.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const LCD_SETCGRAMADDR: u8 = 0x40;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_ENTRYRIGHT` is never used
[INFO] [stdout]   --> src/consts.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const LCD_ENTRYRIGHT: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_ENTRYSHIFTINCREMENT` is never used
[INFO] [stdout]   --> src/consts.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const LCD_ENTRYSHIFTINCREMENT: u8 = 0x01;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_DISPLAYOFF` is never used
[INFO] [stdout]   --> src/consts.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub const LCD_DISPLAYOFF: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_CURSORON` is never used
[INFO] [stdout]   --> src/consts.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub const LCD_CURSORON: u8 = 0x02;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_CURSOROFF` is never used
[INFO] [stdout]   --> src/consts.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub const LCD_CURSOROFF: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_BLINKON` is never used
[INFO] [stdout]   --> src/consts.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub const LCD_BLINKON: u8 = 0x01;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_BLINKOFF` is never used
[INFO] [stdout]   --> src/consts.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub const LCD_BLINKOFF: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_DISPLAYMOVE` is never used
[INFO] [stdout]   --> src/consts.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub const LCD_DISPLAYMOVE: u8 = 0x08;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_CURSORMOVE` is never used
[INFO] [stdout]   --> src/consts.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub const LCD_CURSORMOVE: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_MOVERIGHT` is never used
[INFO] [stdout]   --> src/consts.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub const LCD_MOVERIGHT: u8 = 0x04;
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_MOVELEFT` is never used
[INFO] [stdout]   --> src/consts.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const LCD_MOVELEFT: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_4BITMODE` is never used
[INFO] [stdout]   --> src/consts.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub const LCD_4BITMODE: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_1LINE` is never used
[INFO] [stdout]   --> src/consts.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub const LCD_1LINE: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WHITE` is never used
[INFO] [stdout]  --> src/consts.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const WHITE: u8 = 0;
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RED` is never used
[INFO] [stdout]  --> src/consts.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const RED: u8 = 1;
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GREEN` is never used
[INFO] [stdout]  --> src/consts.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const GREEN: u8 = 2;
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLUE` is never used
[INFO] [stdout]  --> src/consts.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const BLUE: u8 = 3;
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_RETURNHOME` is never used
[INFO] [stdout]   --> src/consts.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const LCD_RETURNHOME: u8 = 0x02;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_CURSORSHIFT` is never used
[INFO] [stdout]   --> src/consts.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const LCD_CURSORSHIFT: u8 = 0x10;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_SETCGRAMADDR` is never used
[INFO] [stdout]   --> src/consts.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const LCD_SETCGRAMADDR: u8 = 0x40;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_ENTRYRIGHT` is never used
[INFO] [stdout]   --> src/consts.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const LCD_ENTRYRIGHT: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_ENTRYSHIFTINCREMENT` is never used
[INFO] [stdout]   --> src/consts.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const LCD_ENTRYSHIFTINCREMENT: u8 = 0x01;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_DISPLAYOFF` is never used
[INFO] [stdout]   --> src/consts.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub const LCD_DISPLAYOFF: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_CURSORON` is never used
[INFO] [stdout]   --> src/consts.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub const LCD_CURSORON: u8 = 0x02;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_CURSOROFF` is never used
[INFO] [stdout]   --> src/consts.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub const LCD_CURSOROFF: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_BLINKON` is never used
[INFO] [stdout]   --> src/consts.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub const LCD_BLINKON: u8 = 0x01;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_BLINKOFF` is never used
[INFO] [stdout]   --> src/consts.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub const LCD_BLINKOFF: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_DISPLAYMOVE` is never used
[INFO] [stdout]   --> src/consts.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub const LCD_DISPLAYMOVE: u8 = 0x08;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_CURSORMOVE` is never used
[INFO] [stdout]   --> src/consts.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub const LCD_CURSORMOVE: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_MOVERIGHT` is never used
[INFO] [stdout]   --> src/consts.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub const LCD_MOVERIGHT: u8 = 0x04;
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_MOVELEFT` is never used
[INFO] [stdout]   --> src/consts.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const LCD_MOVELEFT: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_4BITMODE` is never used
[INFO] [stdout]   --> src/consts.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub const LCD_4BITMODE: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LCD_1LINE` is never used
[INFO] [stdout]   --> src/consts.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub const LCD_1LINE: u8 = 0x00;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "78dcd995433f7fc5da943462b8742ad17537da8afe853ec03c205bb90a9d4acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78dcd995433f7fc5da943462b8742ad17537da8afe853ec03c205bb90a9d4acb", kill_on_drop: false }`
[INFO] [stdout] 78dcd995433f7fc5da943462b8742ad17537da8afe853ec03c205bb90a9d4acb