[INFO] cloning repository https://github.com/jclulow/serialping [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jclulow/serialping" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjclulow%2Fserialping", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjclulow%2Fserialping'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 470b4c1c44317d14254f4998b8bd0f90307dd02d [INFO] testing jclulow/serialping against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjclulow%2Fserialping" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jclulow/serialping on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jclulow/serialping [INFO] finished tweaking git repo https://github.com/jclulow/serialping [INFO] tweaked toml for git repo https://github.com/jclulow/serialping written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/jclulow/serialping already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded termios v0.3.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f688bebcbc543a923aa6d46c6983e08114d910a0f20fea19f9beb89e2a32b7f4 [INFO] running `Command { std: "docker" "start" "-a" "f688bebcbc543a923aa6d46c6983e08114d910a0f20fea19f9beb89e2a32b7f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f688bebcbc543a923aa6d46c6983e08114d910a0f20fea19f9beb89e2a32b7f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f688bebcbc543a923aa6d46c6983e08114d910a0f20fea19f9beb89e2a32b7f4", kill_on_drop: false }` [INFO] [stdout] f688bebcbc543a923aa6d46c6983e08114d910a0f20fea19f9beb89e2a32b7f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6481e75b51905915508e9935c15dc940d6fa28a521156e2644c3f4597b4cc62 [INFO] running `Command { std: "docker" "start" "-a" "e6481e75b51905915508e9935c15dc940d6fa28a521156e2644c3f4597b4cc62", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.14 [INFO] [stderr] Compiling anyhow v1.0.44 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling termios v0.3.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling serialping v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:156:5 [INFO] [stdout] | [INFO] [stdout] 97 | / loop { [INFO] [stdout] 98 | | let byt = rng.gen_range(u8::MIN..=u8::MAX); [INFO] [stdout] 99 | | //println!("rand = {}", byt); [INFO] [stdout] 100 | | let mut outbuf = [byt]; [INFO] [stdout] ... | [INFO] [stdout] 153 | | //std::thread::sleep(Duration::from_millis(3)); [INFO] [stdout] 154 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 155 | [INFO] [stdout] 156 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:100:13 [INFO] [stdout] | [INFO] [stdout] 100 | let mut outbuf = [byt]; [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.00s [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e6481e75b51905915508e9935c15dc940d6fa28a521156e2644c3f4597b4cc62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6481e75b51905915508e9935c15dc940d6fa28a521156e2644c3f4597b4cc62", kill_on_drop: false }` [INFO] [stdout] e6481e75b51905915508e9935c15dc940d6fa28a521156e2644c3f4597b4cc62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c0145769db6738c7d1695d12127f634a29f08c45794f873b63336abec69f051 [INFO] running `Command { std: "docker" "start" "-a" "1c0145769db6738c7d1695d12127f634a29f08c45794f873b63336abec69f051", kill_on_drop: false }` [INFO] [stderr] Compiling serialping v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:156:5 [INFO] [stdout] | [INFO] [stdout] 97 | / loop { [INFO] [stdout] 98 | | let byt = rng.gen_range(u8::MIN..=u8::MAX); [INFO] [stdout] 99 | | //println!("rand = {}", byt); [INFO] [stdout] 100 | | let mut outbuf = [byt]; [INFO] [stdout] ... | [INFO] [stdout] 153 | | //std::thread::sleep(Duration::from_millis(3)); [INFO] [stdout] 154 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 155 | [INFO] [stdout] 156 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:100:13 [INFO] [stdout] | [INFO] [stdout] 100 | let mut outbuf = [byt]; [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.43s [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1c0145769db6738c7d1695d12127f634a29f08c45794f873b63336abec69f051", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c0145769db6738c7d1695d12127f634a29f08c45794f873b63336abec69f051", kill_on_drop: false }` [INFO] [stdout] 1c0145769db6738c7d1695d12127f634a29f08c45794f873b63336abec69f051 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f4d35a69b4e7f7d846e0baa93aca5813bb0c9b534a6c4a4b6b2b08797ee87e8b [INFO] running `Command { std: "docker" "start" "-a" "f4d35a69b4e7f7d846e0baa93aca5813bb0c9b534a6c4a4b6b2b08797ee87e8b", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:156:5 [INFO] [stderr] | [INFO] [stderr] 97 | / loop { [INFO] [stderr] 98 | | let byt = rng.gen_range(u8::MIN..=u8::MAX); [INFO] [stderr] 99 | | //println!("rand = {}", byt); [INFO] [stderr] 100 | | let mut outbuf = [byt]; [INFO] [stderr] ... | [INFO] [stderr] 153 | | //std::thread::sleep(Duration::from_millis(3)); [INFO] [stderr] 154 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 155 | [INFO] [stderr] 156 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:100:13 [INFO] [stderr] | [INFO] [stderr] 100 | let mut outbuf = [byt]; [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: `serialping` (bin "serialping" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/serialping-e6cd80450bf30c35) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f4d35a69b4e7f7d846e0baa93aca5813bb0c9b534a6c4a4b6b2b08797ee87e8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4d35a69b4e7f7d846e0baa93aca5813bb0c9b534a6c4a4b6b2b08797ee87e8b", kill_on_drop: false }` [INFO] [stdout] f4d35a69b4e7f7d846e0baa93aca5813bb0c9b534a6c4a4b6b2b08797ee87e8b