[INFO] cloning repository https://github.com/TheBlek/tcpimpl [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheBlek/tcpimpl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheBlek%2Ftcpimpl", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheBlek%2Ftcpimpl'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 90e5f5e426ba33738c6b1b69a53c12c667b53f01 [INFO] checking TheBlek/tcpimpl against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheBlek%2Ftcpimpl" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TheBlek/tcpimpl on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TheBlek/tcpimpl [INFO] finished tweaking git repo https://github.com/TheBlek/tcpimpl [INFO] tweaked toml for git repo https://github.com/TheBlek/tcpimpl written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/TheBlek/tcpimpl 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ioctl-sys v0.6.0 [INFO] [stderr] Downloaded tun v0.5.5 [INFO] [stderr] Downloaded etherparse v0.13.0 [INFO] [stderr] Downloaded generational-arena v0.2.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 808bcb4acbe90af0ba2ee541f8a7af3340f087323ce04f042143f82c0a3fb7d1 [INFO] running `Command { std: "docker" "start" "-a" "808bcb4acbe90af0ba2ee541f8a7af3340f087323ce04f042143f82c0a3fb7d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "808bcb4acbe90af0ba2ee541f8a7af3340f087323ce04f042143f82c0a3fb7d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "808bcb4acbe90af0ba2ee541f8a7af3340f087323ce04f042143f82c0a3fb7d1", kill_on_drop: false }` [INFO] [stdout] 808bcb4acbe90af0ba2ee541f8a7af3340f087323ce04f042143f82c0a3fb7d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b35402cb10d479b47f03766371ab1e0175ce124d0e38b2618f6ef87664342d22 [INFO] running `Command { std: "docker" "start" "-a" "b35402cb10d479b47f03766371ab1e0175ce124d0e38b2618f6ef87664342d22", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking ioctl-sys v0.6.0 [INFO] [stderr] Checking generational-arena v0.2.9 [INFO] [stderr] Checking etherparse v0.13.0 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Compiling thiserror-impl v1.0.40 [INFO] [stderr] Checking thiserror v1.0.40 [INFO] [stderr] Checking tun v0.5.5 [INFO] [stderr] Checking tcpimpl v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TcpPacket` is imported redundantly [INFO] [stdout] --> src/tcp/state.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::packet::TcpPacket; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use crate::tcp::*; [INFO] [stdout] | ------------- the item `TcpPacket` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TcpPacket` is imported redundantly [INFO] [stdout] --> src/tcp/state.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::packet::TcpPacket; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use crate::tcp::*; [INFO] [stdout] | ------------- the item `TcpPacket` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `retransmission` [INFO] [stdout] --> src/tcp/state.rs:227:46 [INFO] [stdout] | [INFO] [stdout] 227 | UnsyncTcpState::SynSent(isn, id, retransmission) => match ( [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_retransmission` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `accept` is never used [INFO] [stdout] --> src/tcp/mod.rs:613:12 [INFO] [stdout] | [INFO] [stdout] 486 | impl ConnectionManager { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 613 | pub fn accept>( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Syn`, `Ack`, and `Fin` are never constructed [INFO] [stdout] --> src/tcp/packet.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 30 | pub enum PacketResponse { [INFO] [stdout] | -------------- variants in this enum [INFO] [stdout] 31 | Reset(u32), [INFO] [stdout] 32 | Syn(u32), [INFO] [stdout] | ^^^ [INFO] [stdout] 33 | SynAck(u32, u32), [INFO] [stdout] 34 | Ack(u32, u32), [INFO] [stdout] | ^^^ [INFO] [stdout] 35 | Fin(u32, u32), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `urgent_pointer` and `isn` are never read [INFO] [stdout] --> src/tcp/state.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct SendConnectionState { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | pub urgent_pointer: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 14 | pub isn: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SendConnectionState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `isn` is never read [INFO] [stdout] --> src/tcp/state.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct ReceiveConnectionState { [INFO] [stdout] | ---------------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | pub isn: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReceiveConnectionState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `TimeWait` is never constructed [INFO] [stdout] --> src/tcp/state.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 122 | pub enum SyncTcpState { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] ... [INFO] [stdout] 129 | TimeWait, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `SynSent` is never constructed [INFO] [stdout] --> src/tcp/state.rs:155:5 [INFO] [stdout] | [INFO] [stdout] 152 | pub(super) enum UnsyncTcpState { [INFO] [stdout] | -------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 155 | SynSent(u32, ConnectionId, Retransmission), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `retransmission` [INFO] [stdout] --> src/tcp/state.rs:227:46 [INFO] [stdout] | [INFO] [stdout] 227 | UnsyncTcpState::SynSent(isn, id, retransmission) => match ( [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_retransmission` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `accept` is never used [INFO] [stdout] --> src/tcp/mod.rs:613:12 [INFO] [stdout] | [INFO] [stdout] 486 | impl ConnectionManager { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 613 | pub fn accept>( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Syn`, `Ack`, and `Fin` are never constructed [INFO] [stdout] --> src/tcp/packet.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 30 | pub enum PacketResponse { [INFO] [stdout] | -------------- variants in this enum [INFO] [stdout] 31 | Reset(u32), [INFO] [stdout] 32 | Syn(u32), [INFO] [stdout] | ^^^ [INFO] [stdout] 33 | SynAck(u32, u32), [INFO] [stdout] 34 | Ack(u32, u32), [INFO] [stdout] | ^^^ [INFO] [stdout] 35 | Fin(u32, u32), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `urgent_pointer` and `isn` are never read [INFO] [stdout] --> src/tcp/state.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct SendConnectionState { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | pub urgent_pointer: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 14 | pub isn: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SendConnectionState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `isn` is never read [INFO] [stdout] --> src/tcp/state.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct ReceiveConnectionState { [INFO] [stdout] | ---------------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | pub isn: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReceiveConnectionState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `TimeWait` is never constructed [INFO] [stdout] --> src/tcp/state.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 122 | pub enum SyncTcpState { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] ... [INFO] [stdout] 129 | TimeWait, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `SynSent` is never constructed [INFO] [stdout] --> src/tcp/state.rs:155:5 [INFO] [stdout] | [INFO] [stdout] 152 | pub(super) enum UnsyncTcpState { [INFO] [stdout] | -------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 155 | SynSent(u32, ConnectionId, Retransmission), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.92s [INFO] running `Command { std: "docker" "inspect" "b35402cb10d479b47f03766371ab1e0175ce124d0e38b2618f6ef87664342d22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b35402cb10d479b47f03766371ab1e0175ce124d0e38b2618f6ef87664342d22", kill_on_drop: false }` [INFO] [stdout] b35402cb10d479b47f03766371ab1e0175ce124d0e38b2618f6ef87664342d22