[INFO] cloning repository https://github.com/justinliew/tcp_rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinliew/tcp_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinliew%2Ftcp_rust"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinliew%2Ftcp_rust'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c32305b948952348e2605f55ea282faffbea18bc [INFO] testing justinliew/tcp_rust against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinliew%2Ftcp_rust" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/justinliew/tcp_rust on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/justinliew/tcp_rust [INFO] finished tweaking git repo https://github.com/justinliew/tcp_rust [INFO] tweaked toml for git repo https://github.com/justinliew/tcp_rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/justinliew/tcp_rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2451a39dfb6ba52559482e4a6a1f4398c5cd1a61b967fcca558da0d5e96bb83f [INFO] running `"docker" "start" "-a" "2451a39dfb6ba52559482e4a6a1f4398c5cd1a61b967fcca558da0d5e96bb83f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling tun-tap v0.1.2 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling etherparse v0.8.3 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling crossbeam-queue v0.2.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [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-codec v0.1.2 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.6 [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] [stderr] warning: the item `Ord` is imported redundantly [INFO] [stderr] --> src/tcp.rs:139:24 [INFO] [stderr] | [INFO] [stderr] 139 | use std::cmp::{Ord,Ordering}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/tcp.rs:145:17 [INFO] [stderr] | [INFO] [stderr] 145 | (start < x && x < end) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/tcp.rs:148:17 [INFO] [stderr] | [INFO] [stderr] 148 | (x > start || x < end) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nic` [INFO] [stderr] --> src/tcp.rs:155:9 [INFO] [stderr] | [INFO] [stderr] 155 | nic: &mut tun_tap::Iface, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_nic` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `iph` [INFO] [stderr] --> src/tcp.rs:156:9 [INFO] [stderr] | [INFO] [stderr] 156 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:45:43 [INFO] [stderr] | [INFO] [stderr] 45 | ... 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: variant is never constructed: `Estab` [INFO] [stderr] --> src/tcp.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Estab, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `up` [INFO] [stderr] --> src/tcp.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | up: bool, // send urgent pointer [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `wl1` [INFO] [stderr] --> src/tcp.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | wl1: u32, // segment sequence number used for last window update [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `wl2` [INFO] [stderr] --> src/tcp.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | wl2: u32, // segment acknowledgement number used for last window update [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `up` [INFO] [stderr] --> src/tcp.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | up: bool, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `irs` [INFO] [stderr] --> src/tcp.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | irs: u32, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:126:9 [INFO] [stderr] | [INFO] [stderr] 126 | c.ip.set_payload_len(syn_ack.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 `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:130:13 [INFO] [stderr] | [INFO] [stderr] 130 | c.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 `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:131:13 [INFO] [stderr] | [INFO] [stderr] 131 | syn_ack.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 `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:134:9 [INFO] [stderr] | [INFO] [stderr] 134 | nic.send(&buf[..unwritten]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.81s [INFO] running `"docker" "inspect" "2451a39dfb6ba52559482e4a6a1f4398c5cd1a61b967fcca558da0d5e96bb83f"` [INFO] running `"docker" "rm" "-f" "2451a39dfb6ba52559482e4a6a1f4398c5cd1a61b967fcca558da0d5e96bb83f"` [INFO] [stdout] 2451a39dfb6ba52559482e4a6a1f4398c5cd1a61b967fcca558da0d5e96bb83f [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ea889ef8dd3e7f0482b31b570df90829f6c66930754af0e21c80deb7f2b268d7 [INFO] running `"docker" "start" "-a" "ea889ef8dd3e7f0482b31b570df90829f6c66930754af0e21c80deb7f2b268d7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling tcp_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: the item `Ord` is imported redundantly [INFO] [stderr] --> src/tcp.rs:139:24 [INFO] [stderr] | [INFO] [stderr] 139 | use std::cmp::{Ord,Ordering}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/tcp.rs:145:17 [INFO] [stderr] | [INFO] [stderr] 145 | (start < x && x < end) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/tcp.rs:148:17 [INFO] [stderr] | [INFO] [stderr] 148 | (x > start || x < end) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nic` [INFO] [stderr] --> src/tcp.rs:155:9 [INFO] [stderr] | [INFO] [stderr] 155 | nic: &mut tun_tap::Iface, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_nic` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `iph` [INFO] [stderr] --> src/tcp.rs:156:9 [INFO] [stderr] | [INFO] [stderr] 156 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:45:43 [INFO] [stderr] | [INFO] [stderr] 45 | ... 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: variant is never constructed: `Estab` [INFO] [stderr] --> src/tcp.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Estab, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `up` [INFO] [stderr] --> src/tcp.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | up: bool, // send urgent pointer [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `wl1` [INFO] [stderr] --> src/tcp.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | wl1: u32, // segment sequence number used for last window update [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `wl2` [INFO] [stderr] --> src/tcp.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | wl2: u32, // segment acknowledgement number used for last window update [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `up` [INFO] [stderr] --> src/tcp.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | up: bool, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `irs` [INFO] [stderr] --> src/tcp.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | irs: u32, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:126:9 [INFO] [stderr] | [INFO] [stderr] 126 | c.ip.set_payload_len(syn_ack.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 `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:130:13 [INFO] [stderr] | [INFO] [stderr] 130 | c.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 `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:131:13 [INFO] [stderr] | [INFO] [stderr] 131 | syn_ack.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 `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:134:9 [INFO] [stderr] | [INFO] [stderr] 134 | nic.send(&buf[..unwritten]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `"docker" "inspect" "ea889ef8dd3e7f0482b31b570df90829f6c66930754af0e21c80deb7f2b268d7"` [INFO] running `"docker" "rm" "-f" "ea889ef8dd3e7f0482b31b570df90829f6c66930754af0e21c80deb7f2b268d7"` [INFO] [stdout] ea889ef8dd3e7f0482b31b570df90829f6c66930754af0e21c80deb7f2b268d7 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 74348f6b256d5cf1afababf1f0e674ab72a6dda351913f99b0be1685977f08b6 [INFO] running `"docker" "start" "-a" "74348f6b256d5cf1afababf1f0e674ab72a6dda351913f99b0be1685977f08b6"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: the item `Ord` is imported redundantly [INFO] [stderr] --> src/tcp.rs:139:24 [INFO] [stderr] | [INFO] [stderr] 139 | use std::cmp::{Ord,Ordering}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/tcp.rs:145:17 [INFO] [stderr] | [INFO] [stderr] 145 | (start < x && x < end) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/tcp.rs:148:17 [INFO] [stderr] | [INFO] [stderr] 148 | (x > start || x < end) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nic` [INFO] [stderr] --> src/tcp.rs:155:9 [INFO] [stderr] | [INFO] [stderr] 155 | nic: &mut tun_tap::Iface, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_nic` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `iph` [INFO] [stderr] --> src/tcp.rs:156:9 [INFO] [stderr] | [INFO] [stderr] 156 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:45:43 [INFO] [stderr] | [INFO] [stderr] 45 | ... 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: variant is never constructed: `Estab` [INFO] [stderr] --> src/tcp.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Estab, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `up` [INFO] [stderr] --> src/tcp.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | up: bool, // send urgent pointer [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `wl1` [INFO] [stderr] --> src/tcp.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | wl1: u32, // segment sequence number used for last window update [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `wl2` [INFO] [stderr] --> src/tcp.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | wl2: u32, // segment acknowledgement number used for last window update [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `up` [INFO] [stderr] --> src/tcp.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | up: bool, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `irs` [INFO] [stderr] --> src/tcp.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | irs: u32, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:126:9 [INFO] [stderr] | [INFO] [stderr] 126 | c.ip.set_payload_len(syn_ack.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 `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:130:13 [INFO] [stderr] | [INFO] [stderr] 130 | c.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 `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:131:13 [INFO] [stderr] | [INFO] [stderr] 131 | syn_ack.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 `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:134:9 [INFO] [stderr] | [INFO] [stderr] 134 | nic.send(&buf[..unwritten]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tcp_rust-08acd0a026fbac39 [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "74348f6b256d5cf1afababf1f0e674ab72a6dda351913f99b0be1685977f08b6"` [INFO] running `"docker" "rm" "-f" "74348f6b256d5cf1afababf1f0e674ab72a6dda351913f99b0be1685977f08b6"` [INFO] [stdout] 74348f6b256d5cf1afababf1f0e674ab72a6dda351913f99b0be1685977f08b6