[INFO] cloning repository https://github.com/smolkov/epd24rwb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smolkov/epd24rwb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolkov%2Fepd24rwb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolkov%2Fepd24rwb'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a1f5a4f1735e4d5704cb4452b7ddd7ad73762231 [INFO] checking smolkov/epd24rwb against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolkov%2Fepd24rwb" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/smolkov/epd24rwb on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/smolkov/epd24rwb [INFO] finished tweaking git repo https://github.com/smolkov/epd24rwb [INFO] tweaked toml for git repo https://github.com/smolkov/epd24rwb written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/smolkov/epd24rwb 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structopt-derive v0.3.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.2 [INFO] [stderr] Downloaded embedded-hal v0.2.3 [INFO] [stderr] Downloaded proc-macro-error v0.2.4 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded linux-embedded-hal v0.2.2 [INFO] [stderr] Downloaded paw-attributes v1.0.0 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded js-sys v0.3.27 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.50 [INFO] [stderr] Downloaded async-std v0.99.4 [INFO] [stderr] Downloaded web-sys v0.3.27 [INFO] [stderr] Downloaded femme v1.2.0 [INFO] [stderr] Downloaded chrono v0.4.8 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.50 [INFO] [stderr] Downloaded wasm-bindgen v0.2.50 [INFO] [stderr] Downloaded backtrace v0.3.35 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.50 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.50 [INFO] [stderr] Downloaded 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[stderr] Downloaded qrcode v0.11.0 [INFO] [stderr] Downloaded serde v1.0.99 [INFO] [stderr] Downloaded futures-join-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded serde_derive v1.0.99 [INFO] [stderr] Downloaded embedded-graphics v0.4.9 [INFO] [stderr] Downloaded ssd1675 v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f9ff4d3945f0ad0a7776a9dd0f93cbe8f32f93041bb69af63abbd983597a634d [INFO] running `Command { std: "docker" "start" "-a" "f9ff4d3945f0ad0a7776a9dd0f93cbe8f32f93041bb69af63abbd983597a634d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9ff4d3945f0ad0a7776a9dd0f93cbe8f32f93041bb69af63abbd983597a634d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9ff4d3945f0ad0a7776a9dd0f93cbe8f32f93041bb69af63abbd983597a634d", kill_on_drop: false }` [INFO] [stdout] f9ff4d3945f0ad0a7776a9dd0f93cbe8f32f93041bb69af63abbd983597a634d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec85b9abc3426f2d2f4b30b4b611d0836cbc9ee4a217f671f1c537bf3df35234 [INFO] running `Command { std: "docker" "start" "-a" "ec85b9abc3426f2d2f4b30b4b611d0836cbc9ee4a217f671f1c537bf3df35234", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] 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[INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling libm v0.1.4 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking nb v0.1.2 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking embedded-hal v0.2.3 [INFO] [stderr] 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Compiling futures-join-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Checking structopt v0.3.0 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-timer v0.3.0 [INFO] [stderr] Checking async-std v0.99.4 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking femme v1.2.0 [INFO] [stderr] Checking epd24rwb v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Coord` is imported redundantly [INFO] [stdout] --> src/lib.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use embedded_graphics::coord::Coord; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 25 | use embedded_graphics::prelude::*; [INFO] [stdout] | ----------------------------- the item `Coord` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Drawing` is imported redundantly [INFO] [stdout] --> src/lib.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | use embedded_graphics::prelude::*; [INFO] [stdout] | ----------------------------- the item `Drawing` is already imported here [INFO] [stdout] 26 | use embedded_graphics::Drawing; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/lib.rs:93:47 [INFO] [stdout] | [INFO] [stdout] 93 | pub async fn draw(mut events: Receiver,msg: Receiver) -> io::Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `page_update` [INFO] [stdout] --> src/lib.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | let page_update = async { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_update` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/lib.rs:202:27 [INFO] [stdout] | [INFO] [stdout] 202 | Event::UpdatePage(path)=> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Coord` is imported redundantly [INFO] [stdout] --> src/lib.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use embedded_graphics::coord::Coord; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 25 | use embedded_graphics::prelude::*; [INFO] [stdout] | ----------------------------- the item `Coord` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Drawing` is imported redundantly [INFO] [stdout] --> src/lib.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | use embedded_graphics::prelude::*; [INFO] [stdout] | ----------------------------- the item `Drawing` is already imported here [INFO] [stdout] 26 | use embedded_graphics::Drawing; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/lib.rs:241:20 [INFO] [stdout] | [INFO] [stdout] 241 | pub async fn start(config:config::Config,msg: Receiver ) -> io::Result<()> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `draw` [INFO] [stdout] --> src/lib.rs:244:10 [INFO] [stdout] | [INFO] [stdout] 244 | let draw= task::spawn(draw(receiver,msg)); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_draw` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:247:13 [INFO] [stdout] | [INFO] [stdout] 247 | let mut event = Event::UpdatePage(PathBuf::from("./dashboard.page")); [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: `msg` [INFO] [stdout] --> src/lib.rs:93:47 [INFO] [stdout] | [INFO] [stdout] 93 | pub async fn draw(mut events: Receiver,msg: Receiver) -> io::Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `page_update` [INFO] [stdout] --> src/lib.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | let page_update = async { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_update` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/lib.rs:202:27 [INFO] [stdout] | [INFO] [stdout] 202 | Event::UpdatePage(path)=> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `EpdDisplay` is never used [INFO] [stdout] --> src/lib.rs:82:6 [INFO] [stdout] | [INFO] [stdout] 82 | type EpdDisplay<'a> = ssd1675::display::Display< [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:248:9 [INFO] [stdout] | [INFO] [stdout] 248 | sender.send(event).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 248 | let _ = sender.send(event).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/lib.rs:241:20 [INFO] [stdout] | [INFO] [stdout] 241 | pub async fn start(config:config::Config,msg: Receiver ) -> io::Result<()> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `draw` [INFO] [stdout] --> src/lib.rs:244:10 [INFO] [stdout] | [INFO] [stdout] 244 | let draw= task::spawn(draw(receiver,msg)); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_draw` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:247:13 [INFO] [stdout] | [INFO] [stdout] 247 | let mut event = Event::UpdatePage(PathBuf::from("./dashboard.page")); [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: type alias `EpdDisplay` is never used [INFO] [stdout] --> src/lib.rs:82:6 [INFO] [stdout] | [INFO] [stdout] 82 | type EpdDisplay<'a> = ssd1675::display::Display< [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:248:9 [INFO] [stdout] | [INFO] [stdout] 248 | sender.send(event).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 248 | let _ = sender.send(event).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.61s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "ec85b9abc3426f2d2f4b30b4b611d0836cbc9ee4a217f671f1c537bf3df35234", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec85b9abc3426f2d2f4b30b4b611d0836cbc9ee4a217f671f1c537bf3df35234", kill_on_drop: false }` [INFO] [stdout] ec85b9abc3426f2d2f4b30b4b611d0836cbc9ee4a217f671f1c537bf3df35234