[INFO] updating cached repository jonhoo/rust-tcp [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jonhoo/rust-tcp [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jonhoo/rust-tcp" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jonhoo/rust-tcp"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jonhoo/rust-tcp'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jonhoo/rust-tcp" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jonhoo/rust-tcp"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jonhoo/rust-tcp'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 72d24437381915ee6c42f6dbd05bb5355719430c [INFO] sha for GitHub repo jonhoo/rust-tcp: 72d24437381915ee6c42f6dbd05bb5355719430c [INFO] validating manifest of jonhoo/rust-tcp on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jonhoo/rust-tcp on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jonhoo/rust-tcp [INFO] finished frobbing jonhoo/rust-tcp [INFO] frobbed toml for jonhoo/rust-tcp written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jonhoo/rust-tcp/Cargo.toml [INFO] started frobbing jonhoo/rust-tcp [INFO] finished frobbing jonhoo/rust-tcp [INFO] frobbed toml for jonhoo/rust-tcp written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jonhoo/rust-tcp/Cargo.toml [INFO] crate jonhoo/rust-tcp already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking jonhoo/rust-tcp against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jonhoo/rust-tcp:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 95b1966107b156d17722fb7fbf533d79300ccdb68c0291bef1e2afadc4ed287a [INFO] running `"docker" "start" "-a" "95b1966107b156d17722fb7fbf533d79300ccdb68c0291bef1e2afadc4ed287a"` [INFO] [stderr] Compiling tun-tap v0.1.2 [INFO] [stderr] Checking nix v0.13.0 [INFO] [stderr] Checking etherparse v0.8.0 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-fs v0.1.5 [INFO] [stderr] Checking tokio v0.1.15 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking trust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/lib.rs:157:17 [INFO] [stderr] | [INFO] [stderr] 157 | Err(e) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `quad` [INFO] [stderr] --> src/lib.rs:217:13 [INFO] [stderr] | [INFO] [stderr] 217 | for quad in pending { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_quad` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cm` [INFO] [stderr] --> src/lib.rs:252:13 [INFO] [stderr] | [INFO] [stderr] 252 | let cm = self.h.manager.lock().unwrap(); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_cm` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `how` [INFO] [stderr] --> src/lib.rs:338:28 [INFO] [stderr] | [INFO] [stderr] 338 | pub fn shutdown(&self, how: std::net::Shutdown) -> io::Result<()> { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_how` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buf` [INFO] [stderr] --> src/tcp.rs:132:13 [INFO] [stderr] | [INFO] [stderr] 132 | let buf = [0u8; 1500]; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_buf` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/tcp.rs:130:9 [INFO] [stderr] | [INFO] [stderr] 130 | data: &'a [u8], [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nacked` [INFO] [stderr] --> src/tcp.rs:443:25 [INFO] [stderr] | [INFO] [stderr] 443 | let nacked = self [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_nacked` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `iph` [INFO] [stderr] --> src/tcp.rs:363:9 [INFO] [stderr] | [INFO] [stderr] 363 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_iph` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/lib.rs:157:17 [INFO] [stderr] | [INFO] [stderr] 157 | Err(e) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `quad` [INFO] [stderr] --> src/lib.rs:217:13 [INFO] [stderr] | [INFO] [stderr] 217 | for quad in pending { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_quad` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cm` [INFO] [stderr] --> src/lib.rs:252:13 [INFO] [stderr] | [INFO] [stderr] 252 | let cm = self.h.manager.lock().unwrap(); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_cm` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `how` [INFO] [stderr] --> src/lib.rs:338:28 [INFO] [stderr] | [INFO] [stderr] 338 | pub fn shutdown(&self, how: std::net::Shutdown) -> io::Result<()> { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_how` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buf` [INFO] [stderr] --> src/tcp.rs:132:13 [INFO] [stderr] | [INFO] [stderr] 132 | let buf = [0u8; 1500]; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_buf` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/tcp.rs:130:9 [INFO] [stderr] | [INFO] [stderr] 130 | data: &'a [u8], [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nacked` [INFO] [stderr] --> src/tcp.rs:443:25 [INFO] [stderr] | [INFO] [stderr] 443 | let nacked = self [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_nacked` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `iph` [INFO] [stderr] --> src/tcp.rs:363:9 [INFO] [stderr] | [INFO] [stderr] 363 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_iph` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tcp.rs:451:25 [INFO] [stderr] | [INFO] [stderr] 451 | let mut srtt = &mut self.timers.srtt; [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: method is never used: `is_synchronized` [INFO] [stderr] --> src/tcp.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | 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 used: `up` [INFO] [stderr] --> src/tcp.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 93 | up: bool, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `wl1` [INFO] [stderr] --> src/tcp.rs:95:5 [INFO] [stderr] | [INFO] [stderr] 95 | wl1: usize, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `wl2` [INFO] [stderr] --> src/tcp.rs:97:5 [INFO] [stderr] | [INFO] [stderr] 97 | wl2: usize, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `up` [INFO] [stderr] --> src/tcp.rs:120:5 [INFO] [stderr] | [INFO] [stderr] 120 | up: bool, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `irs` [INFO] [stderr] --> src/tcp.rs:122:5 [INFO] [stderr] | [INFO] [stderr] 122 | irs: u32, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `send_rst` [INFO] [stderr] --> src/tcp.rs:287:5 [INFO] [stderr] | [INFO] [stderr] 287 | fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the feature `duration_float` has been stable since 1.38.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(duration_float)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tcp.rs:451:25 [INFO] [stderr] | [INFO] [stderr] 451 | let mut srtt = &mut self.timers.srtt; [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:240:9 [INFO] [stderr] | [INFO] [stderr] 240 | / self.ip [INFO] [stderr] 241 | | .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 `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:252:9 [INFO] [stderr] | [INFO] [stderr] 252 | 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 `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:253:9 [INFO] [stderr] | [INFO] [stderr] 253 | 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: method is never used: `is_synchronized` [INFO] [stderr] --> src/tcp.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | 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 used: `up` [INFO] [stderr] --> src/tcp.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 93 | up: bool, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `wl1` [INFO] [stderr] --> src/tcp.rs:95:5 [INFO] [stderr] | [INFO] [stderr] 95 | wl1: usize, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `wl2` [INFO] [stderr] --> src/tcp.rs:97:5 [INFO] [stderr] | [INFO] [stderr] 97 | wl2: usize, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `up` [INFO] [stderr] --> src/tcp.rs:120:5 [INFO] [stderr] | [INFO] [stderr] 120 | up: bool, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `irs` [INFO] [stderr] --> src/tcp.rs:122:5 [INFO] [stderr] | [INFO] [stderr] 122 | irs: u32, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `send_rst` [INFO] [stderr] --> src/tcp.rs:287:5 [INFO] [stderr] | [INFO] [stderr] 287 | fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the feature `duration_float` has been stable since 1.38.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(duration_float)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:240:9 [INFO] [stderr] | [INFO] [stderr] 240 | / self.ip [INFO] [stderr] 241 | | .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 `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:252:9 [INFO] [stderr] | [INFO] [stderr] 252 | 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 `std::result::Result` that must be used [INFO] [stderr] --> src/tcp.rs:253:9 [INFO] [stderr] | [INFO] [stderr] 253 | 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] Finished dev [unoptimized + debuginfo] target(s) in 19.45s [INFO] running `"docker" "inspect" "95b1966107b156d17722fb7fbf533d79300ccdb68c0291bef1e2afadc4ed287a"` [INFO] running `"docker" "rm" "-f" "95b1966107b156d17722fb7fbf533d79300ccdb68c0291bef1e2afadc4ed287a"` [INFO] [stdout] 95b1966107b156d17722fb7fbf533d79300ccdb68c0291bef1e2afadc4ed287a