[INFO] cloning repository justinliew/tcp_rust [INFO] running `"git" "clone" "--bare" "git://github.com/justinliew/tcp_rust.git" "work/cache/sources/gh/justinliew/tcp_rust"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/justinliew/tcp_rust'... [INFO] running `"git" "clone" "work/cache/sources/gh/justinliew/tcp_rust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/justinliew/tcp_rust"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/justinliew/tcp_rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/justinliew/tcp_rust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/justinliew/tcp_rust"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/justinliew/tcp_rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c32305b948952348e2605f55ea282faffbea18bc [INFO] sha for GitHub repo justinliew/tcp_rust: c32305b948952348e2605f55ea282faffbea18bc [INFO] validating manifest of justinliew/tcp_rust on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of justinliew/tcp_rust on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing justinliew/tcp_rust [INFO] finished frobbing justinliew/tcp_rust [INFO] frobbed toml for justinliew/tcp_rust written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/justinliew/tcp_rust/Cargo.toml [INFO] started frobbing justinliew/tcp_rust [INFO] finished frobbing justinliew/tcp_rust [INFO] frobbed toml for justinliew/tcp_rust written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/justinliew/tcp_rust/Cargo.toml [INFO] crate justinliew/tcp_rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/justinliew/tcp_rust/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] testing justinliew/tcp_rust against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/justinliew/tcp_rust:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] b9c3d18d887cdfa2f74587d1ce935544a20978f2e8a6b889ec3a411158788a3d [INFO] running `"docker" "start" "-a" "b9c3d18d887cdfa2f74587d1ce935544a20978f2e8a6b889ec3a411158788a3d"` [INFO] [stderr] Compiling tun-tap v0.1.2 [INFO] [stderr] Compiling etherparse v0.8.2 [INFO] [stderr] Compiling tcp_rust v0.1.0 (/opt/crater/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: unused variable: `e` [INFO] [stderr] --> src/main.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | 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: `nic` [INFO] [stderr] --> src/tcp.rs:155:9 [INFO] [stderr] | [INFO] [stderr] 155 | nic: &mut tun_tap::Iface, [INFO] [stderr] | ^^^ help: consider prefixing 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: consider prefixing 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 used: `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 used: `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 used: `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 used: `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 used: `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] Finished dev [unoptimized + debuginfo] target(s) in 8.92s [INFO] running `"docker" "inspect" "b9c3d18d887cdfa2f74587d1ce935544a20978f2e8a6b889ec3a411158788a3d"` [INFO] running `"docker" "rm" "-f" "b9c3d18d887cdfa2f74587d1ce935544a20978f2e8a6b889ec3a411158788a3d"` [INFO] [stdout] b9c3d18d887cdfa2f74587d1ce935544a20978f2e8a6b889ec3a411158788a3d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/justinliew/tcp_rust:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 2dbb72fb6a86d72446fb08c97c24d958ca9150c3ef52c26b64ae2e4c429c4108 [INFO] running `"docker" "start" "-a" "2dbb72fb6a86d72446fb08c97c24d958ca9150c3ef52c26b64ae2e4c429c4108"` [INFO] [stderr] Compiling tcp_rust v0.1.0 (/opt/crater/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: unused variable: `e` [INFO] [stderr] --> src/main.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | 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: `nic` [INFO] [stderr] --> src/tcp.rs:155:9 [INFO] [stderr] | [INFO] [stderr] 155 | nic: &mut tun_tap::Iface, [INFO] [stderr] | ^^^ help: consider prefixing 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: consider prefixing 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 used: `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 used: `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 used: `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 used: `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 used: `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] Finished dev [unoptimized + debuginfo] target(s) in 1.70s [INFO] running `"docker" "inspect" "2dbb72fb6a86d72446fb08c97c24d958ca9150c3ef52c26b64ae2e4c429c4108"` [INFO] running `"docker" "rm" "-f" "2dbb72fb6a86d72446fb08c97c24d958ca9150c3ef52c26b64ae2e4c429c4108"` [INFO] [stdout] 2dbb72fb6a86d72446fb08c97c24d958ca9150c3ef52c26b64ae2e4c429c4108 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/justinliew/tcp_rust:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 0bbdaef70710673a7c7a0691607889f414921d6a74db564a779c4c73d49910de [INFO] running `"docker" "start" "-a" "0bbdaef70710673a7c7a0691607889f414921d6a74db564a779c4c73d49910de"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/tcp_rust-794c2d6af3065b24 [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" "0bbdaef70710673a7c7a0691607889f414921d6a74db564a779c4c73d49910de"` [INFO] running `"docker" "rm" "-f" "0bbdaef70710673a7c7a0691607889f414921d6a74db564a779c4c73d49910de"` [INFO] [stdout] 0bbdaef70710673a7c7a0691607889f414921d6a74db564a779c4c73d49910de