[INFO] cloning repository https://github.com/abgeana/vroom-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abgeana/vroom-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabgeana%2Fvroom-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabgeana%2Fvroom-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fe20a0f1d81bc7945c07488dfe2f97acf2a36b0e [INFO] checking abgeana/vroom-rs against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabgeana%2Fvroom-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/abgeana/vroom-rs on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/abgeana/vroom-rs [INFO] finished tweaking git repo https://github.com/abgeana/vroom-rs [INFO] tweaked toml for git repo https://github.com/abgeana/vroom-rs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/abgeana/vroom-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1e416b3310ebbe5d9245b0d08f623560aba667e421b89e6e79704dffb675c945 [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" "1e416b3310ebbe5d9245b0d08f623560aba667e421b89e6e79704dffb675c945", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e416b3310ebbe5d9245b0d08f623560aba667e421b89e6e79704dffb675c945", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e416b3310ebbe5d9245b0d08f623560aba667e421b89e6e79704dffb675c945", kill_on_drop: false }` [INFO] [stdout] 1e416b3310ebbe5d9245b0d08f623560aba667e421b89e6e79704dffb675c945 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b820f7df23321acf05421e4de8961c5a1426c53d2bc6ed40ace475718237e342 [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" "b820f7df23321acf05421e4de8961c5a1426c53d2bc6ed40ace475718237e342", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling ahash v0.6.3 [INFO] [stderr] Checking proc-macro2 v1.0.27 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking serial-core v0.4.0 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking embedded-hal v0.2.5 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Checking quote v1.0.9 [INFO] [stderr] Checking serial-unix v0.4.0 [INFO] [stderr] Checking signal-hook v0.3.9 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking pwm-pca9685 v0.3.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling ncurses v5.101.0 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Checking simplelog v0.10.0 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stderr] Checking i2cdev v0.4.4 [INFO] [stderr] Checking spidev v0.4.1 [INFO] [stderr] Checking sysfs_gpio v0.5.4 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Checking linux-embedded-hal v0.3.0 [INFO] [stderr] Compiling enum-map-derive v0.4.6 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking enum-map v0.6.4 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling wasmer_enumset_derive v0.5.0 [INFO] [stderr] Checking wasmer_enumset v1.0.1 [INFO] [stderr] Checking cursive_core v0.2.2 [INFO] [stderr] Checking cursive v0.16.3 [INFO] [stderr] Checking vroom-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/control.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/control.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/servo/mod.rs:25:30 [INFO] [stdout] | [INFO] [stdout] 25 | fn turn_angle(&mut self, mut angle: f64) -> Result<(), Error> { [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/servo/mod.rs:25:30 [INFO] [stdout] | [INFO] [stdout] 25 | fn turn_angle(&mut self, mut angle: f64) -> Result<(), Error> { [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 `Result` that must be used [INFO] [stdout] --> src/control.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | pwm0.set_frequency(60); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/control.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | pwm1.set_frequency(60); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/control.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | servo0.turn_neutral(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/control.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | servo1.turn_neutral(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/control.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | servo0.turn_angle(angle); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/control.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | servo1.turn_angle(angle); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/control.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | pwm0.set_frequency(60); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/control.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | pwm1.set_frequency(60); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/control.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | servo0.turn_neutral(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/control.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | servo1.turn_neutral(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/control.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | servo0.turn_angle(angle); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/control.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | servo1.turn_angle(angle); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.46s [INFO] running `Command { std: "docker" "inspect" "b820f7df23321acf05421e4de8961c5a1426c53d2bc6ed40ace475718237e342", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b820f7df23321acf05421e4de8961c5a1426c53d2bc6ed40ace475718237e342", kill_on_drop: false }` [INFO] [stdout] b820f7df23321acf05421e4de8961c5a1426c53d2bc6ed40ace475718237e342