[INFO] cloning repository https://github.com/yuuzao/mytcp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuuzao/mytcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuuzao%2Fmytcp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuuzao%2Fmytcp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6d6c9f3ed7c77dfad13f7bd6154929c129262056 [INFO] testing yuuzao/mytcp against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuuzao%2Fmytcp" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yuuzao/mytcp on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yuuzao/mytcp [INFO] finished tweaking git repo https://github.com/yuuzao/mytcp [INFO] tweaked toml for git repo https://github.com/yuuzao/mytcp written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/yuuzao/mytcp already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-core v0.1.18 [INFO] [stderr] Downloaded cc v1.0.67 [INFO] [stderr] Downloaded etherparse v0.9.0 [INFO] [stderr] Downloaded tun-tap v0.1.2 [INFO] [stderr] Downloaded nix v0.13.1 [INFO] [stderr] Downloaded libc v0.2.93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3611c20add5c01bb157c9c0cc50243afd2e3f4c2053ca2a72b7099407f9873ac [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3611c20add5c01bb157c9c0cc50243afd2e3f4c2053ca2a72b7099407f9873ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3611c20add5c01bb157c9c0cc50243afd2e3f4c2053ca2a72b7099407f9873ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3611c20add5c01bb157c9c0cc50243afd2e3f4c2053ca2a72b7099407f9873ac", kill_on_drop: false }` [INFO] [stdout] 3611c20add5c01bb157c9c0cc50243afd2e3f4c2053ca2a72b7099407f9873ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 581d6a5c8444b829ad8d605804fc10abf11a7f1ac26a1a215fc679edbf31b9ba [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "581d6a5c8444b829ad8d605804fc10abf11a7f1ac26a1a215fc679edbf31b9ba", kill_on_drop: false }` [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling nix v0.13.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling etherparse v0.9.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling tun-tap v0.1.2 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-core v0.1.18 [INFO] [stderr] Compiling mytcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 18 | / loop { [INFO] [stdout] 19 | | let nbytes = nic.recv(&mut buf[..])?; [INFO] [stdout] 20 | | match etherparse::Ipv4HeaderSlice::from_slice(&buf[..nbytes]) { [INFO] [stdout] 21 | | Ok(iph) => { [INFO] [stdout] ... | [INFO] [stdout] 57 | | } [INFO] [stdout] 58 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 59 | [INFO] [stdout] 60 | 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: `buf` [INFO] [stdout] --> src/tcp.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut buf = [0u8; 1500]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [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:41:43 [INFO] [stdout] | [INFO] [stdout] 41 | ... Entry::Vacant(mut e) => { [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: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | let mut buf = [0u8; 1500]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_synchronized` [INFO] [stdout] --> src/tcp.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | fn is_synchronized(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wnd` [INFO] [stdout] --> src/tcp.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | wnd: u16, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wl1` [INFO] [stdout] --> src/tcp.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | wl1: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wl2` [INFO] [stdout] --> src/tcp.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | wl2: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `irs` [INFO] [stdout] --> src/tcp.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | irs: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `send_rst` [INFO] [stdout] --> src/tcp.rs:145:12 [INFO] [stdout] | [INFO] [stdout] 145 | pub fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | / self.ip [INFO] [stdout] 114 | | .set_payload_len(size - self.ip.header_len() as usize); [INFO] [stdout] | |___________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | self.ip.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | self.tcp.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 44.49s [INFO] running `Command { std: "docker" "inspect" "581d6a5c8444b829ad8d605804fc10abf11a7f1ac26a1a215fc679edbf31b9ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "581d6a5c8444b829ad8d605804fc10abf11a7f1ac26a1a215fc679edbf31b9ba", kill_on_drop: false }` [INFO] [stdout] 581d6a5c8444b829ad8d605804fc10abf11a7f1ac26a1a215fc679edbf31b9ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15d9fb94026317b60d7ae72388b9abcdc892d24822e5fb8bfc933f9da23f3fee [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "15d9fb94026317b60d7ae72388b9abcdc892d24822e5fb8bfc933f9da23f3fee", kill_on_drop: false }` [INFO] [stderr] Compiling mytcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 18 | / loop { [INFO] [stdout] 19 | | let nbytes = nic.recv(&mut buf[..])?; [INFO] [stdout] 20 | | match etherparse::Ipv4HeaderSlice::from_slice(&buf[..nbytes]) { [INFO] [stdout] 21 | | Ok(iph) => { [INFO] [stdout] ... | [INFO] [stdout] 57 | | } [INFO] [stdout] 58 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 59 | [INFO] [stdout] 60 | 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: `buf` [INFO] [stdout] --> src/tcp.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut buf = [0u8; 1500]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [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:41:43 [INFO] [stdout] | [INFO] [stdout] 41 | ... Entry::Vacant(mut e) => { [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: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | let mut buf = [0u8; 1500]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_synchronized` [INFO] [stdout] --> src/tcp.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | fn is_synchronized(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wnd` [INFO] [stdout] --> src/tcp.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | wnd: u16, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wl1` [INFO] [stdout] --> src/tcp.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | wl1: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wl2` [INFO] [stdout] --> src/tcp.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | wl2: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `irs` [INFO] [stdout] --> src/tcp.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | irs: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `send_rst` [INFO] [stdout] --> src/tcp.rs:145:12 [INFO] [stdout] | [INFO] [stdout] 145 | pub fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | / self.ip [INFO] [stdout] 114 | | .set_payload_len(size - self.ip.header_len() as usize); [INFO] [stdout] | |___________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | self.ip.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | self.tcp.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `Command { std: "docker" "inspect" "15d9fb94026317b60d7ae72388b9abcdc892d24822e5fb8bfc933f9da23f3fee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15d9fb94026317b60d7ae72388b9abcdc892d24822e5fb8bfc933f9da23f3fee", kill_on_drop: false }` [INFO] [stdout] 15d9fb94026317b60d7ae72388b9abcdc892d24822e5fb8bfc933f9da23f3fee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1c3bb751e8bb86230204e1cbae281ac30b7d95e6cc048d05cbe8b896be29ef53 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1c3bb751e8bb86230204e1cbae281ac30b7d95e6cc048d05cbe8b896be29ef53", kill_on_drop: false }` [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:60:5 [INFO] [stderr] | [INFO] [stderr] 18 | / loop { [INFO] [stderr] 19 | | let nbytes = nic.recv(&mut buf[..])?; [INFO] [stderr] 20 | | match etherparse::Ipv4HeaderSlice::from_slice(&buf[..nbytes]) { [INFO] [stderr] 21 | | Ok(iph) => { [INFO] [stderr] ... | [INFO] [stderr] 57 | | } [INFO] [stderr] 58 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 59 | [INFO] [stderr] 60 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buf` [INFO] [stderr] --> src/tcp.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | let mut buf = [0u8; 1500]; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [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:41:43 [INFO] [stderr] | [INFO] [stderr] 41 | ... Entry::Vacant(mut e) => { [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: variable does not need to be mutable [INFO] [stderr] --> src/tcp.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | let mut buf = [0u8; 1500]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_synchronized` [INFO] [stderr] --> src/tcp.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | fn is_synchronized(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `wnd` [INFO] [stderr] --> src/tcp.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | wnd: u16, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `up` [INFO] [stderr] --> src/tcp.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | up: bool, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `wl1` [INFO] [stderr] --> src/tcp.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | wl1: usize, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `wl2` [INFO] [stderr] --> src/tcp.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | wl2: usize, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `up` [INFO] [stderr] --> src/tcp.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | up: bool, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `irs` [INFO] [stderr] --> src/tcp.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | irs: u32, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `send_rst` [INFO] [stderr] --> src/tcp.rs:145:12 [INFO] [stderr] | [INFO] [stderr] 145 | pub fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tcp.rs:113:9 [INFO] [stderr] | [INFO] [stderr] 113 | / self.ip [INFO] [stderr] 114 | | .set_payload_len(size - self.ip.header_len() as usize); [INFO] [stderr] | |___________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tcp.rs:123:9 [INFO] [stderr] | [INFO] [stderr] 123 | self.ip.write(&mut unwritten); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tcp.rs:124:9 [INFO] [stderr] | [INFO] [stderr] 124 | self.tcp.write(&mut unwritten); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 15 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mytcp-fbb54362ed8c5cdd) [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" "1c3bb751e8bb86230204e1cbae281ac30b7d95e6cc048d05cbe8b896be29ef53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c3bb751e8bb86230204e1cbae281ac30b7d95e6cc048d05cbe8b896be29ef53", kill_on_drop: false }` [INFO] [stdout] 1c3bb751e8bb86230204e1cbae281ac30b7d95e6cc048d05cbe8b896be29ef53