[INFO] fetching crate kobo 0.3.1...
[INFO] checking kobo-0.3.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate kobo 0.3.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate kobo 0.3.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate kobo 0.3.1
[INFO] finished tweaking crates.io crate kobo 0.3.1
[INFO] tweaked toml for crates.io crate kobo 0.3.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate kobo 0.3.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simba v0.7.1
[INFO] [stderr]   Downloaded wide v0.7.4
[INFO] [stderr]   Downloaded bytemuck v1.9.1
[INFO] [stderr]   Downloaded evdev-sys v0.2.4
[INFO] [stderr]   Downloaded libc v0.2.122
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1163c2b08347b87316ed1c7c8e4041fe0306483261a09d217ca6ae7db8a28e8
[INFO] running `Command { std: "docker" "start" "-a" "c1163c2b08347b87316ed1c7c8e4041fe0306483261a09d217ca6ae7db8a28e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1163c2b08347b87316ed1c7c8e4041fe0306483261a09d217ca6ae7db8a28e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1163c2b08347b87316ed1c7c8e4041fe0306483261a09d217ca6ae7db8a28e8", kill_on_drop: false }`
[INFO] [stdout] c1163c2b08347b87316ed1c7c8e4041fe0306483261a09d217ca6ae7db8a28e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b74131d87dfcdd2ddee30065368c24cf80e10cd4e0824a872843a4741d03602
[INFO] running `Command { std: "docker" "start" "-a" "4b74131d87dfcdd2ddee30065368c24cf80e10cd4e0824a872843a4741d03602", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking wide v0.7.4
[INFO] [stderr]    Compiling evdev-sys v0.2.4
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking evdev-rs v0.5.0
[INFO] [stderr]     Checking simba v0.7.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking nalgebra v0.30.1
[INFO] [stderr]     Checking kobo v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `color::EinkColor`
[INFO] [stdout]  --> src/display/chr_gui/title_bar.rs:1:78
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{coords::CharSpaceCoord, display::{chr_display::CharacterDisplay, color::EinkColor}};
[INFO] [stdout]   |                                                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `color::EinkColor`
[INFO] [stdout]  --> src/display/chr_gui/title_bar.rs:1:78
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{coords::CharSpaceCoord, display::{chr_display::CharacterDisplay, color::EinkColor}};
[INFO] [stdout]   |                                                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::text_align::TextAlign`
[INFO] [stdout]  --> src/display/chr_gui/button.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::text_align::TextAlign;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::text_align::TextAlign`
[INFO] [stdout]  --> src/display/chr_gui/button.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::text_align::TextAlign;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/display/chr_gui/title_bar.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut text = self.text.clone();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/display/chr_gui/title_bar.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut text = self.text.clone();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/display/chr_gui/button.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |             for col in 0..(self.size.x - 1) {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/display/chr_gui/button.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |             for col in 0..(self.size.x - 1) {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pix_to_chr`
[INFO] [stdout]  --> examples/gui.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     coords::{pix_to_chr, CharSpaceCoord},
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.25s
[INFO] running `Command { std: "docker" "inspect" "4b74131d87dfcdd2ddee30065368c24cf80e10cd4e0824a872843a4741d03602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b74131d87dfcdd2ddee30065368c24cf80e10cd4e0824a872843a4741d03602", kill_on_drop: false }`
[INFO] [stdout] 4b74131d87dfcdd2ddee30065368c24cf80e10cd4e0824a872843a4741d03602