[INFO] cloning repository https://github.com/adragott/Serial_Rust_Learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adragott/Serial_Rust_Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadragott%2FSerial_Rust_Learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadragott%2FSerial_Rust_Learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 793ed8bd526ac92504690f517e2e45b85f92cbc9 [INFO] testing adragott/Serial_Rust_Learning against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadragott%2FSerial_Rust_Learning" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/adragott/Serial_Rust_Learning on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-10/source/.cargo/config [INFO] started tweaking git repo https://github.com/adragott/Serial_Rust_Learning [INFO] finished tweaking git repo https://github.com/adragott/Serial_Rust_Learning [INFO] tweaked toml for git repo https://github.com/adragott/Serial_Rust_Learning written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/adragott/Serial_Rust_Learning already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0ea2123000185694abc84c82978e8565d28961ede1d68cddec130a00e6c2d839 [INFO] running `Command { std: "docker" "start" "-a" "0ea2123000185694abc84c82978e8565d28961ede1d68cddec130a00e6c2d839", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0ea2123000185694abc84c82978e8565d28961ede1d68cddec130a00e6c2d839", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ea2123000185694abc84c82978e8565d28961ede1d68cddec130a00e6c2d839", kill_on_drop: false }` [INFO] [stdout] 0ea2123000185694abc84c82978e8565d28961ede1d68cddec130a00e6c2d839 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ecc5593c7755d654b047fc8d99b8d97aa27d945c3ef92de1cb4d035354bab7f [INFO] running `Command { std: "docker" "start" "-a" "2ecc5593c7755d654b047fc8d99b8d97aa27d945c3ef92de1cb4d035354bab7f", kill_on_drop: false }` [INFO] [stderr] Compiling ioctl-rs v0.1.6 [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling serial-core v0.4.0 [INFO] [stderr] Compiling serial-unix v0.4.0 [INFO] [stderr] Compiling serial v0.4.0 [INFO] [stderr] Compiling serial_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::str; [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:45:5 [INFO] [stdout] | [INFO] [stdout] 28 | / loop [INFO] [stdout] 29 | | { [INFO] [stdout] 30 | | let mut buf = [0_u8; 256]; [INFO] [stdout] 31 | | let count = match port.read(&mut buf) [INFO] [stdout] ... | [INFO] [stdout] 43 | | io::stdout().flush().unwrap(); [INFO] [stdout] 44 | | } [INFO] [stdout] | |____- any code following this expression is unreachable [INFO] [stdout] 45 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.74s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2ecc5593c7755d654b047fc8d99b8d97aa27d945c3ef92de1cb4d035354bab7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ecc5593c7755d654b047fc8d99b8d97aa27d945c3ef92de1cb4d035354bab7f", kill_on_drop: false }` [INFO] [stdout] 2ecc5593c7755d654b047fc8d99b8d97aa27d945c3ef92de1cb4d035354bab7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee9e9e77a9f259bff046d5e43c76d13afb8ddaffa96300b25b0be3b6e3b0fc0b [INFO] running `Command { std: "docker" "start" "-a" "ee9e9e77a9f259bff046d5e43c76d13afb8ddaffa96300b25b0be3b6e3b0fc0b", kill_on_drop: false }` [INFO] [stderr] Compiling serial_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::str; [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:45:5 [INFO] [stdout] | [INFO] [stdout] 28 | / loop [INFO] [stdout] 29 | | { [INFO] [stdout] 30 | | let mut buf = [0_u8; 256]; [INFO] [stdout] 31 | | let count = match port.read(&mut buf) [INFO] [stdout] ... | [INFO] [stdout] 43 | | io::stdout().flush().unwrap(); [INFO] [stdout] 44 | | } [INFO] [stdout] | |____- any code following this expression is unreachable [INFO] [stdout] 45 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.62s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ee9e9e77a9f259bff046d5e43c76d13afb8ddaffa96300b25b0be3b6e3b0fc0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee9e9e77a9f259bff046d5e43c76d13afb8ddaffa96300b25b0be3b6e3b0fc0b", kill_on_drop: false }` [INFO] [stdout] ee9e9e77a9f259bff046d5e43c76d13afb8ddaffa96300b25b0be3b6e3b0fc0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 38d6ec8518003679269d6c9a4c08839ba9f0effbc212793874f92cfcaf127a7b [INFO] running `Command { std: "docker" "start" "-a" "38d6ec8518003679269d6c9a4c08839ba9f0effbc212793874f92cfcaf127a7b", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 6 | use std::str; [INFO] [stdout] [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:45:5 [INFO] [stderr] | [INFO] [stderr] 28 | / loop [INFO] [stderr] 29 | | { [INFO] [stderr] 30 | | let mut buf = [0_u8; 256]; [INFO] [stderr] 31 | | let count = match port.read(&mut buf) [INFO] [stderr] ... | [INFO] [stderr] 43 | | io::stdout().flush().unwrap(); [INFO] [stderr] 44 | | } [INFO] [stderr] | |____- any code following this expression is unreachable [INFO] [stderr] 45 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/serial_rust-584009cd70f58820) [INFO] running `Command { std: "docker" "inspect" "38d6ec8518003679269d6c9a4c08839ba9f0effbc212793874f92cfcaf127a7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38d6ec8518003679269d6c9a4c08839ba9f0effbc212793874f92cfcaf127a7b", kill_on_drop: false }` [INFO] [stdout] 38d6ec8518003679269d6c9a4c08839ba9f0effbc212793874f92cfcaf127a7b