[INFO] cloning repository https://github.com/tomatoaiu/rust-udp-echo-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomatoaiu/rust-udp-echo-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomatoaiu%2Frust-udp-echo-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomatoaiu%2Frust-udp-echo-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 48dc4518736ca3aac5f03010fc337a689333bc5f [INFO] testing tomatoaiu/rust-udp-echo-server against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomatoaiu%2Frust-udp-echo-server" "/workspace/builds/worker-117/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tomatoaiu/rust-udp-echo-server on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tomatoaiu/rust-udp-echo-server [INFO] finished tweaking git repo https://github.com/tomatoaiu/rust-udp-echo-server [INFO] tweaked toml for git repo https://github.com/tomatoaiu/rust-udp-echo-server written to /workspace/builds/worker-117/source/Cargo.toml [INFO] crate git repo https://github.com/tomatoaiu/rust-udp-echo-server already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cc049355cd5e3090dcd11b699f3b3c6c32560a5333708b09e9af9637298a8f76 [INFO] running `Command { std: "docker" "start" "-a" "cc049355cd5e3090dcd11b699f3b3c6c32560a5333708b09e9af9637298a8f76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc049355cd5e3090dcd11b699f3b3c6c32560a5333708b09e9af9637298a8f76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc049355cd5e3090dcd11b699f3b3c6c32560a5333708b09e9af9637298a8f76", kill_on_drop: false }` [INFO] [stdout] cc049355cd5e3090dcd11b699f3b3c6c32560a5333708b09e9af9637298a8f76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3b67917f59500c8b72de573532b5d8949a605853fcad1e513a8a53d11bdbc9e [INFO] running `Command { std: "docker" "start" "-a" "c3b67917f59500c8b72de573532b5d8949a605853fcad1e513a8a53d11bdbc9e", kill_on_drop: false }` [INFO] [stderr] Compiling rust-udp-echo-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt::Debug` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::Debug; [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:22:5 [INFO] [stdout] | [INFO] [stdout] 14 | / loop { [INFO] [stdout] 15 | | let mut buf = [0; 10]; [INFO] [stdout] 16 | | let (amt, src) = socket.recv_from(&mut buf)?; [INFO] [stdout] 17 | | println!("From: {:?}, buf: {:?}", src, buf); [INFO] [stdout] 18 | | [INFO] [stdout] 19 | | socket.send_to(&buf, send_to)?; [INFO] [stdout] 20 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 21 | } [INFO] [stdout] 22 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `amt` [INFO] [stdout] --> src/main.rs:16:18 [INFO] [stdout] | [INFO] [stdout] 16 | let (amt, src) = socket.recv_from(&mut buf)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_amt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut socket = UdpSocket::bind("0.0.0.0:".to_string() + &port.to_string())?; [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "c3b67917f59500c8b72de573532b5d8949a605853fcad1e513a8a53d11bdbc9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3b67917f59500c8b72de573532b5d8949a605853fcad1e513a8a53d11bdbc9e", kill_on_drop: false }` [INFO] [stdout] c3b67917f59500c8b72de573532b5d8949a605853fcad1e513a8a53d11bdbc9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da9f6b6b134d07c19b3abe88fbea500f50337dc5a05fdf1cf3fac3af98c5fa93 [INFO] running `Command { std: "docker" "start" "-a" "da9f6b6b134d07c19b3abe88fbea500f50337dc5a05fdf1cf3fac3af98c5fa93", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-udp-echo-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt::Debug` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::Debug; [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:22:5 [INFO] [stdout] | [INFO] [stdout] 14 | / loop { [INFO] [stdout] 15 | | let mut buf = [0; 10]; [INFO] [stdout] 16 | | let (amt, src) = socket.recv_from(&mut buf)?; [INFO] [stdout] 17 | | println!("From: {:?}, buf: {:?}", src, buf); [INFO] [stdout] 18 | | [INFO] [stdout] 19 | | socket.send_to(&buf, send_to)?; [INFO] [stdout] 20 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 21 | } [INFO] [stdout] 22 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `amt` [INFO] [stdout] --> src/main.rs:16:18 [INFO] [stdout] | [INFO] [stdout] 16 | let (amt, src) = socket.recv_from(&mut buf)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_amt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut socket = UdpSocket::bind("0.0.0.0:".to_string() + &port.to_string())?; [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2m 04s [INFO] running `Command { std: "docker" "inspect" "da9f6b6b134d07c19b3abe88fbea500f50337dc5a05fdf1cf3fac3af98c5fa93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da9f6b6b134d07c19b3abe88fbea500f50337dc5a05fdf1cf3fac3af98c5fa93", kill_on_drop: false }` [INFO] [stdout] da9f6b6b134d07c19b3abe88fbea500f50337dc5a05fdf1cf3fac3af98c5fa93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 98e9b25d0c66a874de0e2e32e11269fa9346fc9f12ec79ab5c3e475e8dc372b1 [INFO] running `Command { std: "docker" "start" "-a" "98e9b25d0c66a874de0e2e32e11269fa9346fc9f12ec79ab5c3e475e8dc372b1", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::fmt::Debug` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fmt::Debug; [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:22:5 [INFO] [stderr] | [INFO] [stderr] 14 | / loop { [INFO] [stderr] 15 | | let mut buf = [0; 10]; [INFO] [stderr] 16 | | let (amt, src) = socket.recv_from(&mut buf)?; [INFO] [stderr] 17 | | println!("From: {:?}, buf: {:?}", src, buf); [INFO] [stderr] 18 | | [INFO] [stderr] 19 | | socket.send_to(&buf, send_to)?; [INFO] [stderr] 20 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 21 | } [INFO] [stderr] 22 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `amt` [INFO] [stderr] --> src/main.rs:16:18 [INFO] [stderr] | [INFO] [stderr] 16 | let (amt, src) = socket.recv_from(&mut buf)?; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_amt` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut socket = UdpSocket::bind("0.0.0.0:".to_string() + &port.to_string())?; [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: `rust-udp-echo-server` (bin "rust-udp-echo-server" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_udp_echo_server-a7508302e47302d5) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "98e9b25d0c66a874de0e2e32e11269fa9346fc9f12ec79ab5c3e475e8dc372b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98e9b25d0c66a874de0e2e32e11269fa9346fc9f12ec79ab5c3e475e8dc372b1", kill_on_drop: false }` [INFO] [stdout] 98e9b25d0c66a874de0e2e32e11269fa9346fc9f12ec79ab5c3e475e8dc372b1