[INFO] cloning repository https://github.com/ahmed2929/implementing_TCP_protocol-using-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahmed2929/implementing_TCP_protocol-using-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmed2929%2Fimplementing_TCP_protocol-using-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmed2929%2Fimplementing_TCP_protocol-using-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5834f56a6c47554b60cef0778cf61b723b3dbec3 [INFO] testing ahmed2929/implementing_TCP_protocol-using-Rust against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmed2929%2Fimplementing_TCP_protocol-using-Rust" "/workspace/builds/worker-57/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ahmed2929/implementing_TCP_protocol-using-Rust 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/ahmed2929/implementing_TCP_protocol-using-Rust [INFO] finished tweaking git repo https://github.com/ahmed2929/implementing_TCP_protocol-using-Rust [INFO] tweaked toml for git repo https://github.com/ahmed2929/implementing_TCP_protocol-using-Rust written to /workspace/builds/worker-57/source/Cargo.toml [INFO] crate git repo https://github.com/ahmed2929/implementing_TCP_protocol-using-Rust 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] 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-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 1495ac0d0d2ce1635127d70c992681909eac42eec82ae409821c0e2d5aac2921 [INFO] running `Command { std: "docker" "start" "-a" "1495ac0d0d2ce1635127d70c992681909eac42eec82ae409821c0e2d5aac2921", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1495ac0d0d2ce1635127d70c992681909eac42eec82ae409821c0e2d5aac2921", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1495ac0d0d2ce1635127d70c992681909eac42eec82ae409821c0e2d5aac2921", kill_on_drop: false }` [INFO] [stdout] 1495ac0d0d2ce1635127d70c992681909eac42eec82ae409821c0e2d5aac2921 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 71e845d49edf8c79b99cb0b46dc8efcb87daac2380ebe83b97692fdf8d50df64 [INFO] running `Command { std: "docker" "start" "-a" "71e845d49edf8c79b99cb0b46dc8efcb87daac2380ebe83b97692fdf8d50df64", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling cc v1.0.59 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling etherparse v0.8.3 [INFO] [stderr] Compiling tun-tap v0.1.2 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling net2 v0.2.35 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling TCP_Rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:53:2 [INFO] [stdout] | [INFO] [stdout] 4 | / loop{ [INFO] [stdout] 5 | | let nic=tun_tap::Iface::new("tun0", tun_tap::Mode::Tun)?; [INFO] [stdout] 6 | | let mut buffer = [0; 512]; [INFO] [stdout] 7 | | let Number_of_bytes=nic.recv(&mut buffer[..])?; [INFO] [stdout] ... | [INFO] [stdout] 50 | | [INFO] [stdout] 51 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 52 | [INFO] [stdout] 53 | 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: `ether_net_flags` [INFO] [stdout] --> src/main.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | let ether_net_flags=u16::from_be_bytes([buffer[0],buffer[1]]); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ether_net_flags` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `TCP_Rust` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `tcp_rust` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Number_of_bytes` should have a snake case name [INFO] [stdout] --> src/main.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | let Number_of_bytes=nic.recv(&mut buffer[..])?; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `number_of_bytes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 56.14s [INFO] running `Command { std: "docker" "inspect" "71e845d49edf8c79b99cb0b46dc8efcb87daac2380ebe83b97692fdf8d50df64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71e845d49edf8c79b99cb0b46dc8efcb87daac2380ebe83b97692fdf8d50df64", kill_on_drop: false }` [INFO] [stdout] 71e845d49edf8c79b99cb0b46dc8efcb87daac2380ebe83b97692fdf8d50df64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 12348fd7a99494a24d9b1075f059cfd8fa6742d2595950d9c1fda592a60c988f [INFO] running `Command { std: "docker" "start" "-a" "12348fd7a99494a24d9b1075f059cfd8fa6742d2595950d9c1fda592a60c988f", kill_on_drop: false }` [INFO] [stderr] Compiling TCP_Rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:53:2 [INFO] [stdout] | [INFO] [stdout] 4 | / loop{ [INFO] [stdout] 5 | | let nic=tun_tap::Iface::new("tun0", tun_tap::Mode::Tun)?; [INFO] [stdout] 6 | | let mut buffer = [0; 512]; [INFO] [stdout] 7 | | let Number_of_bytes=nic.recv(&mut buffer[..])?; [INFO] [stdout] ... | [INFO] [stdout] 50 | | [INFO] [stdout] 51 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 52 | [INFO] [stdout] 53 | 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: `ether_net_flags` [INFO] [stdout] --> src/main.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | let ether_net_flags=u16::from_be_bytes([buffer[0],buffer[1]]); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ether_net_flags` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `TCP_Rust` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `tcp_rust` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Number_of_bytes` should have a snake case name [INFO] [stdout] --> src/main.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | let Number_of_bytes=nic.recv(&mut buffer[..])?; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `number_of_bytes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "12348fd7a99494a24d9b1075f059cfd8fa6742d2595950d9c1fda592a60c988f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12348fd7a99494a24d9b1075f059cfd8fa6742d2595950d9c1fda592a60c988f", kill_on_drop: false }` [INFO] [stdout] 12348fd7a99494a24d9b1075f059cfd8fa6742d2595950d9c1fda592a60c988f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] a40df9a7424a555743ea579548b9862492b56efcf79c9869535590b28a5221f8 [INFO] running `Command { std: "docker" "start" "-a" "a40df9a7424a555743ea579548b9862492b56efcf79c9869535590b28a5221f8", kill_on_drop: false }` [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:53:2 [INFO] [stderr] | [INFO] [stderr] 4 | / loop{ [INFO] [stderr] 5 | | let nic=tun_tap::Iface::new("tun0", tun_tap::Mode::Tun)?; [INFO] [stderr] 6 | | let mut buffer = [0; 512]; [INFO] [stderr] 7 | | let Number_of_bytes=nic.recv(&mut buffer[..])?; [INFO] [stderr] ... | [INFO] [stderr] 50 | | [INFO] [stderr] 51 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 52 | [INFO] [stderr] 53 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ether_net_flags` [INFO] [stderr] --> src/main.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | let ether_net_flags=u16::from_be_bytes([buffer[0],buffer[1]]); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ether_net_flags` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: crate `TCP_Rust` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `tcp_rust` [INFO] [stderr] [INFO] [stderr] warning: variable `Number_of_bytes` should have a snake case name [INFO] [stderr] --> src/main.rs:7:6 [INFO] [stderr] | [INFO] [stderr] 7 | let Number_of_bytes=nic.recv(&mut buffer[..])?; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `number_of_bytes` [INFO] [stderr] [INFO] [stderr] warning: `TCP_Rust` (bin "TCP_Rust" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/TCP_Rust-522a6f614abac425) [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" "a40df9a7424a555743ea579548b9862492b56efcf79c9869535590b28a5221f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a40df9a7424a555743ea579548b9862492b56efcf79c9869535590b28a5221f8", kill_on_drop: false }` [INFO] [stdout] a40df9a7424a555743ea579548b9862492b56efcf79c9869535590b28a5221f8