[INFO] updating cached repository https://github.com/trevstanhope/arduino.rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f1e9db47c5439190a7024444b3c878cee98c2f19 [INFO] testing trevstanhope/arduino.rs against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevstanhope%2Farduino.rs" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/trevstanhope/arduino.rs on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/trevstanhope/arduino.rs [INFO] finished tweaking git repo https://github.com/trevstanhope/arduino.rs [INFO] tweaked toml for git repo https://github.com/trevstanhope/arduino.rs written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/trevstanhope/arduino.rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stdout] 013caa7192aa0550acf73f98c50caef4dc575abdc285aa8ee5ed26ab5cb2c1bb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "013caa7192aa0550acf73f98c50caef4dc575abdc285aa8ee5ed26ab5cb2c1bb"` [INFO] [stderr] Compiling libc v0.1.12 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling termios v0.1.0 [INFO] [stderr] Compiling ioctl-rs v0.1.6 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling serial v0.2.1 [INFO] [stderr] Compiling arduino v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::Duration` [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serial::prelude::*` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use serial::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rustc_serialize::json` [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rustc_serialize::json; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `SETTINGS` [INFO] [stderr] --> src/lib.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | / const SETTINGS: serial::PortSettings = serial::PortSettings { [INFO] [stderr] 16 | | baud_rate: serial::Baud9600, [INFO] [stderr] 17 | | char_size: serial::Bits8, [INFO] [stderr] 18 | | parity: serial::ParityNone, [INFO] [stderr] 19 | | stop_bits: serial::Stop1, [INFO] [stderr] 20 | | flow_control: serial::FlowNone [INFO] [stderr] 21 | | }; [INFO] [stderr] | |__^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | try!(port.configure(&SETTINGS)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | try!(port.set_timeout(Duration::seconds(3))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | try!(port.write(&in_buf[..])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | try!(port.read(&mut out_buf[..])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::Duration` [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serial::prelude::*` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use serial::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rustc_serialize::json` [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rustc_serialize::json; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep` [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | thread::sleep_ms(1000); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep` [INFO] [stderr] --> src/main.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | thread::sleep_ms(350); // fails when slower [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `t2` is never read [INFO] [stderr] --> src/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let mut t2 = time::precise_time_ns(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let mut t1 = time::precise_time_ns(); [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: constant item is never used: `SETTINGS` [INFO] [stderr] --> src/lib.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | / const SETTINGS: serial::PortSettings = serial::PortSettings { [INFO] [stderr] 16 | | baud_rate: serial::Baud9600, [INFO] [stderr] 17 | | char_size: serial::Bits8, [INFO] [stderr] 18 | | parity: serial::ParityNone, [INFO] [stderr] 19 | | stop_bits: serial::Stop1, [INFO] [stderr] 20 | | flow_control: serial::FlowNone [INFO] [stderr] 21 | | }; [INFO] [stderr] | |__^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_two` [INFO] [stderr] --> src/lib.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn add_two(a: i32) -> i32 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.26s [INFO] running `"docker" "inspect" "013caa7192aa0550acf73f98c50caef4dc575abdc285aa8ee5ed26ab5cb2c1bb"` [INFO] running `"docker" "rm" "-f" "013caa7192aa0550acf73f98c50caef4dc575abdc285aa8ee5ed26ab5cb2c1bb"` [INFO] [stdout] 013caa7192aa0550acf73f98c50caef4dc575abdc285aa8ee5ed26ab5cb2c1bb [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9a0d639d0e413b53e081e260caff095eafc7a577309cc50a1ec8aab1a853cd58 [INFO] running `"docker" "start" "-a" "9a0d639d0e413b53e081e260caff095eafc7a577309cc50a1ec8aab1a853cd58"` [INFO] [stderr] Compiling arduino v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::Duration` [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serial::prelude::*` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use serial::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rustc_serialize::json` [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rustc_serialize::json; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `SETTINGS` [INFO] [stderr] --> src/lib.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | / const SETTINGS: serial::PortSettings = serial::PortSettings { [INFO] [stderr] 16 | | baud_rate: serial::Baud9600, [INFO] [stderr] 17 | | char_size: serial::Bits8, [INFO] [stderr] 18 | | parity: serial::ParityNone, [INFO] [stderr] 19 | | stop_bits: serial::Stop1, [INFO] [stderr] 20 | | flow_control: serial::FlowNone [INFO] [stderr] 21 | | }; [INFO] [stderr] | |__^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | try!(port.configure(&SETTINGS)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | try!(port.set_timeout(Duration::seconds(3))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | try!(port.write(&in_buf[..])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | try!(port.read(&mut out_buf[..])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::Duration` [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serial::prelude::*` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use serial::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rustc_serialize::json` [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rustc_serialize::json; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep` [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | thread::sleep_ms(1000); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep` [INFO] [stderr] --> src/main.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | thread::sleep_ms(350); // fails when slower [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `t2` is never read [INFO] [stderr] --> src/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let mut t2 = time::precise_time_ns(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let mut t1 = time::precise_time_ns(); [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: constant item is never used: `SETTINGS` [INFO] [stderr] --> src/lib.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | / const SETTINGS: serial::PortSettings = serial::PortSettings { [INFO] [stderr] 16 | | baud_rate: serial::Baud9600, [INFO] [stderr] 17 | | char_size: serial::Bits8, [INFO] [stderr] 18 | | parity: serial::ParityNone, [INFO] [stderr] 19 | | stop_bits: serial::Stop1, [INFO] [stderr] 20 | | flow_control: serial::FlowNone [INFO] [stderr] 21 | | }; [INFO] [stderr] | |__^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_two` [INFO] [stderr] --> src/lib.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn add_two(a: i32) -> i32 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | try!(port.configure(&SETTINGS)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | try!(port.set_timeout(Duration::seconds(3))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | try!(port.write(&in_buf[..])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | try!(port.read(&mut out_buf[..])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::Duration` [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serial::prelude::*` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use serial::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rustc_serialize::json` [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rustc_serialize::json; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::Duration` [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serial::prelude::*` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use serial::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rustc_serialize::json` [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rustc_serialize::json; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep` [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | thread::sleep_ms(1000); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep` [INFO] [stderr] --> src/main.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | thread::sleep_ms(350); // fails when slower [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `SETTINGS` [INFO] [stderr] --> src/lib.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | / const SETTINGS: serial::PortSettings = serial::PortSettings { [INFO] [stderr] 16 | | baud_rate: serial::Baud9600, [INFO] [stderr] 17 | | char_size: serial::Bits8, [INFO] [stderr] 18 | | parity: serial::ParityNone, [INFO] [stderr] 19 | | stop_bits: serial::Stop1, [INFO] [stderr] 20 | | flow_control: serial::FlowNone [INFO] [stderr] 21 | | }; [INFO] [stderr] | |__^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `t2` is never read [INFO] [stderr] --> src/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let mut t2 = time::precise_time_ns(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let mut t1 = time::precise_time_ns(); [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: constant item is never used: `SETTINGS` [INFO] [stderr] --> src/lib.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | / const SETTINGS: serial::PortSettings = serial::PortSettings { [INFO] [stderr] 16 | | baud_rate: serial::Baud9600, [INFO] [stderr] 17 | | char_size: serial::Bits8, [INFO] [stderr] 18 | | parity: serial::ParityNone, [INFO] [stderr] 19 | | stop_bits: serial::Stop1, [INFO] [stderr] 20 | | flow_control: serial::FlowNone [INFO] [stderr] 21 | | }; [INFO] [stderr] | |__^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.55s [INFO] running `"docker" "inspect" "9a0d639d0e413b53e081e260caff095eafc7a577309cc50a1ec8aab1a853cd58"` [INFO] running `"docker" "rm" "-f" "9a0d639d0e413b53e081e260caff095eafc7a577309cc50a1ec8aab1a853cd58"` [INFO] [stdout] 9a0d639d0e413b53e081e260caff095eafc7a577309cc50a1ec8aab1a853cd58 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a8d85b2efa66cb5ed4e844ea06998677bf73ff3b60cc1b1a5b8f328d607df403 [INFO] running `"docker" "start" "-a" "a8d85b2efa66cb5ed4e844ea06998677bf73ff3b60cc1b1a5b8f328d607df403"` [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::Duration` [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serial::prelude::*` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use serial::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rustc_serialize::json` [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rustc_serialize::json; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `SETTINGS` [INFO] [stderr] --> src/lib.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | / const SETTINGS: serial::PortSettings = serial::PortSettings { [INFO] [stderr] 16 | | baud_rate: serial::Baud9600, [INFO] [stderr] 17 | | char_size: serial::Bits8, [INFO] [stderr] 18 | | parity: serial::ParityNone, [INFO] [stderr] 19 | | stop_bits: serial::Stop1, [INFO] [stderr] 20 | | flow_control: serial::FlowNone [INFO] [stderr] 21 | | }; [INFO] [stderr] | |__^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | try!(port.configure(&SETTINGS)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | try!(port.set_timeout(Duration::seconds(3))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | try!(port.write(&in_buf[..])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | try!(port.read(&mut out_buf[..])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::Duration` [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | try!(port.configure(&SETTINGS)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | try!(port.set_timeout(Duration::seconds(3))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serial::prelude::*` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use serial::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | try!(port.write(&in_buf[..])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | try!(port.read(&mut out_buf[..])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rustc_serialize::json` [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rustc_serialize::json; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep` [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | thread::sleep_ms(1000); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep` [INFO] [stderr] --> src/main.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | thread::sleep_ms(350); // fails when slower [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::Duration` [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serial::prelude::*` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use serial::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `t2` is never read [INFO] [stderr] --> src/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let mut t2 = time::precise_time_ns(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let mut t1 = time::precise_time_ns(); [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 import: `rustc_serialize::json` [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rustc_serialize::json; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep` [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | thread::sleep_ms(1000); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep` [INFO] [stderr] --> src/main.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | thread::sleep_ms(350); // fails when slower [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `SETTINGS` [INFO] [stderr] --> src/lib.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | / const SETTINGS: serial::PortSettings = serial::PortSettings { [INFO] [stderr] 16 | | baud_rate: serial::Baud9600, [INFO] [stderr] 17 | | char_size: serial::Bits8, [INFO] [stderr] 18 | | parity: serial::ParityNone, [INFO] [stderr] 19 | | stop_bits: serial::Stop1, [INFO] [stderr] 20 | | flow_control: serial::FlowNone [INFO] [stderr] 21 | | }; [INFO] [stderr] | |__^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: value assigned to `t2` is never read [INFO] [stderr] --> src/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let mut t2 = time::precise_time_ns(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let mut t1 = time::precise_time_ns(); [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: constant item is never used: `SETTINGS` [INFO] [stderr] --> src/lib.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | / const SETTINGS: serial::PortSettings = serial::PortSettings { [INFO] [stderr] 16 | | baud_rate: serial::Baud9600, [INFO] [stderr] 17 | | char_size: serial::Bits8, [INFO] [stderr] 18 | | parity: serial::ParityNone, [INFO] [stderr] 19 | | stop_bits: serial::Stop1, [INFO] [stderr] 20 | | flow_control: serial::FlowNone [INFO] [stderr] 21 | | }; [INFO] [stderr] | |__^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_two` [INFO] [stderr] --> src/lib.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn add_two(a: i32) -> i32 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::Duration` [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serial::prelude::*` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use serial::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rustc_serialize::json` [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rustc_serialize::json; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `SETTINGS` [INFO] [stderr] --> src/lib.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | / const SETTINGS: serial::PortSettings = serial::PortSettings { [INFO] [stderr] 16 | | baud_rate: serial::Baud9600, [INFO] [stderr] 17 | | char_size: serial::Bits8, [INFO] [stderr] 18 | | parity: serial::ParityNone, [INFO] [stderr] 19 | | stop_bits: serial::Stop1, [INFO] [stderr] 20 | | flow_control: serial::FlowNone [INFO] [stderr] 21 | | }; [INFO] [stderr] | |__^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/arduino-84e0f850ebb329f0 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test tests::it_broke ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::it_broke stdout ---- [INFO] [stdout] thread 'tests::it_broke' panicked at 'assertion failed: false', src/lib.rs:35:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x564a22727de4 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x564a22727de4 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x564a22727de4 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x564a22727de4 - ::fmt::h4d51ef07ce58e54b [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x564a227509fc - core::fmt::write::he16b9c1345d8565e [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x564a226da4b5 - std::io::Write::write_fmt::hc31efe493f037457 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x564a22722401 - std::io::impls::>::write_fmt::hfcb1ff6c5b834381 [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x564a2272a6b5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x564a2272a6b5 - std::sys_common::backtrace::print::h82e606e62781d8af [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x564a2272a6b5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x564a2272a39b - std::panicking::default_hook::h1b8b42953fdc841d [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x564a2272ad12 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x564a22718e51 - std::panicking::begin_panic::h081e154a7e548b27 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:438 [INFO] [stdout] 13: 0x564a226d8f8d - arduino::tests::it_broke::hd78c1b82b66d78c6 [INFO] [stdout] at src/lib.rs:35 [INFO] [stdout] 14: 0x564a226d8f5a - arduino::tests::it_broke::{{closure}}::h8322699f0df17dc5 [INFO] [stdout] at src/lib.rs:34 [INFO] [stdout] 15: 0x564a226d927e - core::ops::function::FnOnce::call_once::hda730b1f7edc21e4 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 16: 0x564a226e63af - as core::ops::function::FnOnce>::call_once::he1ba1da20629a2d8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 17: 0x564a227019ae - as core::ops::function::FnOnce<()>>::call_once::hf94927858761de4a [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 18: 0x564a227019ae - std::panicking::try::do_call::h1585003392664d93 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 19: 0x564a227019ae - std::panicking::try::h43d950f958a74468 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x564a227019ae - std::panic::catch_unwind::hb5284de2977ddeea [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x564a227019ae - test::run_test_in_process::had39bb305b26a3ae [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 22: 0x564a227019ae - test::run_test::run_test_inner::{{closure}}::h12b1756b854ada1a [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 23: 0x564a226d9966 - std::sys_common::backtrace::__rust_begin_short_backtrace::hec04b80bece92bf9 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 24: 0x564a226dec85 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::heca431434c1ac418 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:475 [INFO] [stdout] 25: 0x564a226dec85 - as core::ops::function::FnOnce<()>>::call_once::he2457d582c032747 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 26: 0x564a226dec85 - std::panicking::try::do_call::hbcd49dc3823e8b28 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 27: 0x564a226dec85 - std::panicking::try::h1ba95c07dd8d422b [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 28: 0x564a226dec85 - std::panic::catch_unwind::h95854794ba9eee4c [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x564a226dec85 - std::thread::Builder::spawn_unchecked::{{closure}}::h4e297b8574092d6e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:474 [INFO] [stdout] 30: 0x564a226dec85 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1b855aad7f5ac67e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 31: 0x564a2271e60f - as core::ops::function::FnOnce>::call_once::h48069b269ca48108 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 32: 0x564a227314f3 - as core::ops::function::FnOnce>::call_once::heff660b32cd3afd8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 33: 0x564a227314f3 - std::sys::unix::thread::Thread::new::thread_start::ha538939ed1e2e958 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 34: 0x7fcda0b146db - start_thread [INFO] [stdout] 35: 0x7fcda13ef88f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::it_broke [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "a8d85b2efa66cb5ed4e844ea06998677bf73ff3b60cc1b1a5b8f328d607df403"` [INFO] running `"docker" "rm" "-f" "a8d85b2efa66cb5ed4e844ea06998677bf73ff3b60cc1b1a5b8f328d607df403"` [INFO] [stdout] a8d85b2efa66cb5ed4e844ea06998677bf73ff3b60cc1b1a5b8f328d607df403