[INFO] updating cached repository https://github.com/justinliew/tcp_rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c32305b948952348e2605f55ea282faffbea18bc [INFO] checking justinliew/tcp_rust against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinliew%2Ftcp_rust" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/justinliew/tcp_rust on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "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-0/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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4db7cdae80322e9405445f2df95bd2bd09e901689773451f1e1d2f0982990650 [INFO] running `"docker" "start" "-a" "4db7cdae80322e9405445f2df95bd2bd09e901689773451f1e1d2f0982990650"` [INFO] [stderr] Compiling tun-tap v0.1.2 [INFO] [stderr] Checking etherparse v0.8.2 [INFO] [stderr] Checking 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: 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] 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 8.75s [INFO] running `"docker" "inspect" "4db7cdae80322e9405445f2df95bd2bd09e901689773451f1e1d2f0982990650"` [INFO] running `"docker" "rm" "-f" "4db7cdae80322e9405445f2df95bd2bd09e901689773451f1e1d2f0982990650"` [INFO] [stdout] 4db7cdae80322e9405445f2df95bd2bd09e901689773451f1e1d2f0982990650