[INFO] cloning repository https://github.com/Lol3rrr/iptables-proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lol3rrr/iptables-proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLol3rrr%2Fiptables-proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLol3rrr%2Fiptables-proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a071b468b60cbf0a20e620deafca8fab6121ab8a
[INFO] checking Lol3rrr/iptables-proxy/a071b468b60cbf0a20e620deafca8fab6121ab8a against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLol3rrr%2Fiptables-proxy" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lol3rrr/iptables-proxy on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lol3rrr/iptables-proxy
[INFO] finished tweaking git repo https://github.com/Lol3rrr/iptables-proxy
[INFO] tweaked toml for git repo https://github.com/Lol3rrr/iptables-proxy written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Lol3rrr/iptables-proxy 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e424f6fb1e2f98c0537b0d6f826adfb9cb557a28dd63bc202f2356d3eb04925
[INFO] running `Command { std: "docker" "start" "-a" "5e424f6fb1e2f98c0537b0d6f826adfb9cb557a28dd63bc202f2356d3eb04925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e424f6fb1e2f98c0537b0d6f826adfb9cb557a28dd63bc202f2356d3eb04925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e424f6fb1e2f98c0537b0d6f826adfb9cb557a28dd63bc202f2356d3eb04925", kill_on_drop: false }`
[INFO] [stdout] 5e424f6fb1e2f98c0537b0d6f826adfb9cb557a28dd63bc202f2356d3eb04925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 291a369bd1a54ac9fc9261595d9a078db15c3339a4ac59fb58241e08253066a8
[INFO] running `Command { std: "docker" "start" "-a" "291a369bd1a54ac9fc9261595d9a078db15c3339a4ac59fb58241e08253066a8", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling rustversion v1.0.13
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.71
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling thiserror v1.0.55
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling axum v0.6.18
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling prometheus v0.13.3
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking clap_builder v4.3.11
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking matchit v0.7.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.55
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]    Compiling axum-macros v0.3.7
[INFO] [stderr]     Checking pin-project v1.1.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking clap v4.3.11
[INFO] [stderr]     Checking serde v1.0.171
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.13
[INFO] [stderr]     Checking iptables-proxy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/backend.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |         self.output().await.map(|o| ()).map_err(|e| ())
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/backend.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |         self.output().await.map(|o| ()).map_err(|e| ())
[INFO] [stdout]    |                                                  ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/backend.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |         self.output().await.map(|o| ()).map_err(|e| ())
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/backend.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |         self.output().await.map(|o| ()).map_err(|e| ())
[INFO] [stdout]    |                                                  ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parsed` is never constructed
[INFO] [stdout]  --> src/rule_parser.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Parsed<'c> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `parse` and `inner` are never used
[INFO] [stdout]   --> src/rule_parser.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl<'c> Parsed<'c> {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 8  |     pub fn parse<'ic>(content: &'ic str) -> Option<Self>
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn inner(self) -> HashMap<&'c str, &'c str> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.44s
[INFO] running `Command { std: "docker" "inspect" "291a369bd1a54ac9fc9261595d9a078db15c3339a4ac59fb58241e08253066a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291a369bd1a54ac9fc9261595d9a078db15c3339a4ac59fb58241e08253066a8", kill_on_drop: false }`
[INFO] [stdout] 291a369bd1a54ac9fc9261595d9a078db15c3339a4ac59fb58241e08253066a8