[INFO] cloning repository https://github.com/varesa/robot-remote [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/varesa/robot-remote" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaresa%2Frobot-remote", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaresa%2Frobot-remote'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7a489b189378fc657ff6543918eeb5125c90eb89 [INFO] checking varesa/robot-remote against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaresa%2Frobot-remote" "/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/varesa/robot-remote on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/varesa/robot-remote [INFO] finished tweaking git repo https://github.com/varesa/robot-remote [INFO] tweaked toml for git repo https://github.com/varesa/robot-remote written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/varesa/robot-remote already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", 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] bda078b321215145179a63e1a851dc9b9022898755cb4d9878f98db518881a45 [INFO] running `Command { std: "docker" "start" "-a" "bda078b321215145179a63e1a851dc9b9022898755cb4d9878f98db518881a45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bda078b321215145179a63e1a851dc9b9022898755cb4d9878f98db518881a45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bda078b321215145179a63e1a851dc9b9022898755cb4d9878f98db518881a45", kill_on_drop: false }` [INFO] [stdout] bda078b321215145179a63e1a851dc9b9022898755cb4d9878f98db518881a45 [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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] f9015f9f2bd5758a38160ea67e7b829decb4e9611e0dd80c82475353d7193527 [INFO] running `Command { std: "docker" "start" "-a" "f9015f9f2bd5758a38160ea67e7b829decb4e9611e0dd80c82475353d7193527", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling cc v1.0.65 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures v0.1.30 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling native-tls v0.2.6 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking unicode-normalization v0.1.16 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Checking tokio-tls v0.2.1 [INFO] [stderr] Checking websocket-base v0.24.0 [INFO] [stderr] Checking websocket v0.24.0 [INFO] [stderr] Checking robo-remote v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{self, Write}; [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/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut serial_serialport_settings: SerialPortSettings = Default::default(); [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/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut serial_serialport_settings: SerialPortSettings = Default::default(); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:54:25 [INFO] [stdout] | [INFO] [stdout] 54 | serialport_local.lock().unwrap().write(&data); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:54:25 [INFO] [stdout] | [INFO] [stdout] 54 | serialport_local.lock().unwrap().write(&data); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.14s [INFO] running `Command { std: "docker" "inspect" "f9015f9f2bd5758a38160ea67e7b829decb4e9611e0dd80c82475353d7193527", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9015f9f2bd5758a38160ea67e7b829decb4e9611e0dd80c82475353d7193527", kill_on_drop: false }` [INFO] [stdout] f9015f9f2bd5758a38160ea67e7b829decb4e9611e0dd80c82475353d7193527