[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] testing varesa/robot-remote against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaresa%2Frobot-remote" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/varesa/robot-remote on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-4/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b0841aabfdb61c45007eee6115f04b7daeee933bb23c66f5988fd0d4efa98581 [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" "b0841aabfdb61c45007eee6115f04b7daeee933bb23c66f5988fd0d4efa98581", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0841aabfdb61c45007eee6115f04b7daeee933bb23c66f5988fd0d4efa98581", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0841aabfdb61c45007eee6115f04b7daeee933bb23c66f5988fd0d4efa98581", kill_on_drop: false }` [INFO] [stdout] b0841aabfdb61c45007eee6115f04b7daeee933bb23c66f5988fd0d4efa98581 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] bd5ea51744b49eed2911933e98ea3b962b8398512342f203d9a02e308aadad67 [INFO] running `Command { std: "docker" "start" "-a" "bd5ea51744b49eed2911933e98ea3b962b8398512342f203d9a02e308aadad67", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [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 rand_core v0.4.2 [INFO] [stderr] Compiling cc v1.0.65 [INFO] [stderr] Compiling futures v0.1.30 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling native-tls v0.2.6 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling tinyvec v1.1.0 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling unicode-normalization v0.1.16 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling net2 v0.2.35 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling libudev v0.2.0 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling serialport v3.3.0 [INFO] [stderr] Compiling tokio-tls v0.2.1 [INFO] [stderr] Compiling websocket-base v0.24.0 [INFO] [stderr] Compiling websocket v0.24.0 [INFO] [stderr] Compiling 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: 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 01s [INFO] running `Command { std: "docker" "inspect" "bd5ea51744b49eed2911933e98ea3b962b8398512342f203d9a02e308aadad67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd5ea51744b49eed2911933e98ea3b962b8398512342f203d9a02e308aadad67", kill_on_drop: false }` [INFO] [stdout] bd5ea51744b49eed2911933e98ea3b962b8398512342f203d9a02e308aadad67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] c7ddffeeeadebb16526aaf16ca783945ad5592d68e2e4edc9be2e2c072071fbb [INFO] running `Command { std: "docker" "start" "-a" "c7ddffeeeadebb16526aaf16ca783945ad5592d68e2e4edc9be2e2c072071fbb", kill_on_drop: false }` [INFO] [stderr] Compiling 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: 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.20s [INFO] running `Command { std: "docker" "inspect" "c7ddffeeeadebb16526aaf16ca783945ad5592d68e2e4edc9be2e2c072071fbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7ddffeeeadebb16526aaf16ca783945ad5592d68e2e4edc9be2e2c072071fbb", kill_on_drop: false }` [INFO] [stdout] c7ddffeeeadebb16526aaf16ca783945ad5592d68e2e4edc9be2e2c072071fbb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2227aab7f71bf139e22e7235aa4bb5cdab8919d069a8d6bc4cda9d18294022b3 [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" "2227aab7f71bf139e22e7235aa4bb5cdab8919d069a8d6bc4cda9d18294022b3", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/main.rs:2:15 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::{self, Write}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut serial_serialport_settings: SerialPortSettings = Default::default(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:54:25 [INFO] [stderr] | [INFO] [stderr] 54 | serialport_local.lock().unwrap().write(&data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/robo_remote-0c76bcf95cfbec5b [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2227aab7f71bf139e22e7235aa4bb5cdab8919d069a8d6bc4cda9d18294022b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2227aab7f71bf139e22e7235aa4bb5cdab8919d069a8d6bc4cda9d18294022b3", kill_on_drop: false }` [INFO] [stdout] 2227aab7f71bf139e22e7235aa4bb5cdab8919d069a8d6bc4cda9d18294022b3