[INFO] cloning repository https://github.com/xiaochen0517/trust_tcp_ip [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiaochen0517/trust_tcp_ip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaochen0517%2Ftrust_tcp_ip", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaochen0517%2Ftrust_tcp_ip'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4501ef16250c8a4b9099e075da5c6dfa1efac1b2 [INFO] checking xiaochen0517/trust_tcp_ip against master#b2728d5426bab1d8c39709768c7e22b7f66dde5d for pr-135852 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaochen0517%2Ftrust_tcp_ip" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xiaochen0517/trust_tcp_ip on toolchain b2728d5426bab1d8c39709768c7e22b7f66dde5d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xiaochen0517/trust_tcp_ip [INFO] finished tweaking git repo https://github.com/xiaochen0517/trust_tcp_ip [INFO] tweaked toml for git repo https://github.com/xiaochen0517/trust_tcp_ip written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/xiaochen0517/trust_tcp_ip already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-core v0.1.18 [INFO] [stderr] Downloaded tun-tap v0.1.4 [INFO] [stderr] Downloaded etherparse v0.13.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a22942045e613c41784bcdbed433f7e4c25f52cab6a313aff3def30811ac319 [INFO] running `Command { std: "docker" "start" "-a" "7a22942045e613c41784bcdbed433f7e4c25f52cab6a313aff3def30811ac319", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a22942045e613c41784bcdbed433f7e4c25f52cab6a313aff3def30811ac319", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a22942045e613c41784bcdbed433f7e4c25f52cab6a313aff3def30811ac319", kill_on_drop: false }` [INFO] [stdout] 7a22942045e613c41784bcdbed433f7e4c25f52cab6a313aff3def30811ac319 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5e218b3c8641f48afe10d95744fd205238fbefc0c115c4a2308d8dc6ea25a55a [INFO] running `Command { std: "docker" "start" "-a" "5e218b3c8641f48afe10d95744fd205238fbefc0c115c4a2308d8dc6ea25a55a", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking etherparse v0.13.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Compiling cc v1.0.82 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Compiling tun-tap v0.1.4 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking trust_tcp_ip v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/tcp.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 60 | unimplemented!(), [INFO] [stdout] | ---------------- any code following this expression is unreachable [INFO] [stdout] 61 | unimplemented!(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `unimplemented` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/tcp.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 42 | / match (*self).state { [INFO] [stdout] 43 | | State::Closed => { [INFO] [stdout] 44 | | return Err(io::Error::new( [INFO] [stdout] 45 | | io::ErrorKind::Other, [INFO] [stdout] ... | [INFO] [stdout] 81 | | } [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 82 | / eprintln!( [INFO] [stdout] 83 | | "{}:{} > {}:{}; {} bytes", [INFO] [stdout] 84 | | iph.source_addr(), [INFO] [stdout] 85 | | tcph.source_port(), [INFO] [stdout] ... | [INFO] [stdout] 88 | | data.len() [INFO] [stdout] 89 | | ); [INFO] [stdout] | |_________^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `eprintln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/tcp.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 60 | unimplemented!(), [INFO] [stdout] | ---------------- any code following this expression is unreachable [INFO] [stdout] 61 | unimplemented!(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `unimplemented` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/tcp.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 42 | / match (*self).state { [INFO] [stdout] 43 | | State::Closed => { [INFO] [stdout] 44 | | return Err(io::Error::new( [INFO] [stdout] 45 | | io::ErrorKind::Other, [INFO] [stdout] ... | [INFO] [stdout] 81 | | } [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 82 | / eprintln!( [INFO] [stdout] 83 | | "{}:{} > {}:{}; {} bytes", [INFO] [stdout] 84 | | iph.source_addr(), [INFO] [stdout] 85 | | tcph.source_port(), [INFO] [stdout] ... | [INFO] [stdout] 88 | | data.len() [INFO] [stdout] 89 | | ); [INFO] [stdout] | |_________^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `eprintln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/tcp.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | let mut buf = [0u8; 1504]; [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: unused variable: `syn_ack` [INFO] [stdout] --> src/tcp.rs:57:25 [INFO] [stdout] | [INFO] [stdout] 57 | let mut syn_ack = etherparse::TcpHeader::new( [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_syn_ack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nic` [INFO] [stdout] --> src/tcp.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | nic: &mut Iface, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_nic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iph` [INFO] [stdout] --> src/tcp.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | data: &'a [u8], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut buf = [0u8; 1504]; [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: unused variable: `buf` [INFO] [stdout] --> src/tcp.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | let mut buf = [0u8; 1504]; [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: unused variable: `syn_ack` [INFO] [stdout] --> src/tcp.rs:57:25 [INFO] [stdout] | [INFO] [stdout] 57 | let mut syn_ack = etherparse::TcpHeader::new( [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_syn_ack` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nic` [INFO] [stdout] --> src/tcp.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | nic: &mut Iface, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_nic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iph` [INFO] [stdout] --> src/tcp.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | data: &'a [u8], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut buf = [0u8; 1504]; [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: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:75:21 [INFO] [stdout] | [INFO] [stdout] 75 | ip_packet.write(&mut unwriten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 75 | let _ = ip_packet.write(&mut unwriten); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | syn_ack.write(&mut unwriten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = syn_ack.write(&mut unwriten); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:75:21 [INFO] [stdout] | [INFO] [stdout] 75 | ip_packet.write(&mut unwriten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 75 | let _ = ip_packet.write(&mut unwriten); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | syn_ack.write(&mut unwriten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = syn_ack.write(&mut unwriten); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.96s [INFO] running `Command { std: "docker" "inspect" "5e218b3c8641f48afe10d95744fd205238fbefc0c115c4a2308d8dc6ea25a55a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e218b3c8641f48afe10d95744fd205238fbefc0c115c4a2308d8dc6ea25a55a", kill_on_drop: false }` [INFO] [stdout] 5e218b3c8641f48afe10d95744fd205238fbefc0c115c4a2308d8dc6ea25a55a