[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 try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabgeana%2Fvroom-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/abgeana/vroom-rs on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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-0/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded termcolor v1.1.2 [INFO] [stderr] Downloaded wasmer_enumset_derive v0.5.0 [INFO] [stderr] Downloaded nb v0.1.3 [INFO] [stderr] Downloaded unicode-segmentation v1.7.1 [INFO] [stderr] Downloaded i2cdev v0.4.4 [INFO] [stderr] Downloaded ident_case v1.0.1 [INFO] [stderr] Downloaded unicode-width v0.1.8 [INFO] [stderr] Downloaded darling v0.10.2 [INFO] [stderr] Downloaded darling_core v0.10.2 [INFO] [stderr] Downloaded cursive v0.16.3 [INFO] [stderr] Downloaded wasmer_enumset v1.0.1 [INFO] [stderr] Downloaded pest v2.1.3 [INFO] [stderr] Downloaded serial-unix v0.4.0 [INFO] [stderr] Downloaded enum-map v0.6.4 [INFO] [stderr] Downloaded ahash v0.6.3 [INFO] [stderr] Downloaded version_check v0.9.3 [INFO] [stderr] Downloaded owning_ref v0.4.1 [INFO] [stderr] Downloaded signal-hook-registry v1.4.0 [INFO] [stderr] Downloaded crossbeam-channel v0.5.1 [INFO] [stderr] Downloaded clap v2.33.3 [INFO] [stderr] Downloaded num-rational v0.3.2 [INFO] [stderr] Downloaded hermit-abi v0.1.18 [INFO] [stderr] Downloaded cursive_core v0.2.2 [INFO] [stderr] Downloaded libc v0.2.95 [INFO] [stderr] Downloaded num-complex v0.3.1 [INFO] [stderr] Downloaded num v0.3.1 [INFO] [stderr] Downloaded array-macro v1.0.5 [INFO] [stderr] Downloaded enum-map-derive v0.4.6 [INFO] [stderr] Downloaded signal-hook v0.3.9 [INFO] [stderr] Downloaded term_size v0.3.2 [INFO] [stderr] Downloaded crossbeam-utils v0.8.5 [INFO] [stderr] Downloaded num-iter v0.1.42 [INFO] [stderr] Downloaded stable_deref_trait v1.2.0 [INFO] [stderr] Downloaded xi-unicode v0.3.0 [INFO] [stderr] Downloaded maplit v1.0.2 [INFO] [stderr] Downloaded ncurses v5.101.0 [INFO] [stderr] Downloaded spidev v0.4.1 [INFO] [stderr] Downloaded nix v0.14.1 [INFO] [stderr] Downloaded sysfs_gpio v0.5.4 [INFO] [stderr] Downloaded ucd-trie v0.1.3 [INFO] [stderr] Downloaded semver-parser v0.10.2 [INFO] [stderr] Downloaded semver v0.11.0 [INFO] [stderr] Downloaded rustc_version v0.3.3 [INFO] [stderr] Downloaded byteorder v1.4.3 [INFO] [stderr] Downloaded num-integer v0.1.44 [INFO] [stderr] Downloaded num-traits v0.2.14 [INFO] [stderr] Downloaded darling_macro v0.10.2 [INFO] [stderr] Downloaded ioctl-rs v0.1.6 [INFO] [stderr] Downloaded cast v0.2.6 [INFO] [stderr] Downloaded serial-core v0.4.0 [INFO] [stderr] Downloaded termios v0.2.2 [INFO] [stderr] Downloaded pwm-pca9685 v0.3.0 [INFO] [stderr] Downloaded embedded-hal v0.2.5 [INFO] [stderr] Downloaded nb v1.0.0 [INFO] [stderr] Downloaded linux-embedded-hal v0.3.0 [INFO] [stderr] Downloaded wasi v0.10.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded time v0.1.44 [INFO] [stderr] Downloaded chrono v0.4.19 [INFO] [stderr] Downloaded simplelog v0.10.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4347dcf6ea576ec62bcbf0d5d7544257e27c8b18d0e4a653dcfb82fb3197bb0d [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" "4347dcf6ea576ec62bcbf0d5d7544257e27c8b18d0e4a653dcfb82fb3197bb0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4347dcf6ea576ec62bcbf0d5d7544257e27c8b18d0e4a653dcfb82fb3197bb0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4347dcf6ea576ec62bcbf0d5d7544257e27c8b18d0e4a653dcfb82fb3197bb0d", kill_on_drop: false }` [INFO] [stdout] 4347dcf6ea576ec62bcbf0d5d7544257e27c8b18d0e4a653dcfb82fb3197bb0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 98580cfa21411df3a4afc935b44941e340fadfc296c1aa08eaf2f069a202a3c3 [INFO] running `Command { std: "docker" "start" "-a" "98580cfa21411df3a4afc935b44941e340fadfc296c1aa08eaf2f069a202a3c3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking array-macro v1.0.5 [INFO] [stderr] Compiling signal-hook v0.3.9 [INFO] [stderr] Checking xi-unicode v0.3.0 [INFO] [stderr] Checking unicode-segmentation v1.7.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling ahash v0.6.3 [INFO] [stderr] Compiling ncurses v5.101.0 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking serial-core v0.4.0 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking embedded-hal v0.2.5 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking serial-unix v0.4.0 [INFO] [stderr] Checking pwm-pca9685 v0.3.0 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking num-rational v0.3.2 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking simplelog v0.10.0 [INFO] [stderr] Checking sysfs_gpio v0.5.4 [INFO] [stderr] Checking spidev v0.4.1 [INFO] [stderr] Checking i2cdev v0.4.4 [INFO] [stderr] Checking linux-embedded-hal v0.3.0 [INFO] [stderr] Compiling darling_core v0.10.2 [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: 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: 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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 10s [INFO] running `Command { std: "docker" "inspect" "98580cfa21411df3a4afc935b44941e340fadfc296c1aa08eaf2f069a202a3c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98580cfa21411df3a4afc935b44941e340fadfc296c1aa08eaf2f069a202a3c3", kill_on_drop: false }` [INFO] [stdout] 98580cfa21411df3a4afc935b44941e340fadfc296c1aa08eaf2f069a202a3c3