[INFO] cloning repository https://github.com/timmy-feng/flow-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timmy-feng/flow-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimmy-feng%2Fflow-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimmy-feng%2Fflow-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76c1aad7be2a6dbdf4916fb46d396f3496cd2f18 [INFO] checking timmy-feng/flow-solver against try#47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268 for pr-149058 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimmy-feng%2Fflow-solver" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/timmy-feng/flow-solver [INFO] finished tweaking git repo https://github.com/timmy-feng/flow-solver [INFO] tweaked toml for git repo https://github.com/timmy-feng/flow-solver written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/timmy-feng/flow-solver on toolchain 47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/timmy-feng/flow-solver 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" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking timmy-feng/flow-solver against try#47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268 for pr-149058 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimmy-feng%2Fflow-solver" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/timmy-feng/flow-solver [INFO] finished tweaking git repo https://github.com/timmy-feng/flow-solver [INFO] tweaked toml for git repo https://github.com/timmy-feng/flow-solver written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/timmy-feng/flow-solver on toolchain 47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/timmy-feng/flow-solver 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" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio v1.42.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c3d2f97594337a166fc83c954393a92ab4305e9fe07fee857433a4d88eefc570 [INFO] running `Command { std: "docker" "start" "-a" "c3d2f97594337a166fc83c954393a92ab4305e9fe07fee857433a4d88eefc570", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c3d2f97594337a166fc83c954393a92ab4305e9fe07fee857433a4d88eefc570", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3d2f97594337a166fc83c954393a92ab4305e9fe07fee857433a4d88eefc570", kill_on_drop: false }` [INFO] [stdout] c3d2f97594337a166fc83c954393a92ab4305e9fe07fee857433a4d88eefc570 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 410ca28018f381fca62f21334b1e6589f1e36a5764269cc1e6e701402809ef22 [INFO] running `Command { std: "docker" "start" "-a" "410ca28018f381fca62f21334b1e6589f1e36a5764269cc1e6e701402809ef22", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking bitflags v2.9.3 [INFO] [stderr] Checking parking_lot_core v0.9.11 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking socket2 v0.5.8 [INFO] [stderr] Checking signal-hook-registry v1.4.6 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling clap_derive v4.5.45 [INFO] [stderr] Checking tokio v1.42.1 [INFO] [stderr] Checking axum-core v0.4.5 [INFO] [stderr] Checking clap v4.5.45 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking hyper v1.7.0 [INFO] [stderr] Checking tokio-util v0.7.16 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking tower-http v0.5.2 [INFO] [stderr] Checking hyper-util v0.1.16 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking serde_path_to_error v0.1.17 [INFO] [stderr] Checking axum v0.7.9 [INFO] [stderr] Checking flow_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `oth` [INFO] [stdout] --> src/gen.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | fn unite(self, oth: Self, u: usize, v: usize) -> Option { Some(Dummy()) } [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_oth` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/gen.rs:7:31 [INFO] [stdout] | [INFO] [stdout] 7 | fn unite(self, oth: Self, u: usize, v: usize) -> Option { Some(Dummy()) } [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/gen.rs:7:41 [INFO] [stdout] | [INFO] [stdout] 7 | fn unite(self, oth: Self, u: usize, v: usize) -> Option { Some(Dummy()) } [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `hash_multiplier` is never read [INFO] [stdout] --> src/search/mod.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct SearchFlow { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 33 | hash_multiplier: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SearchFlow` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_degree` is never used [INFO] [stdout] --> src/search/mod.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl SearchFlow { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 107 | fn get_degree(&self, u: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `oth` [INFO] [stdout] --> src/gen.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | fn unite(self, oth: Self, u: usize, v: usize) -> Option { Some(Dummy()) } [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_oth` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/gen.rs:7:31 [INFO] [stdout] | [INFO] [stdout] 7 | fn unite(self, oth: Self, u: usize, v: usize) -> Option { Some(Dummy()) } [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/gen.rs:7:41 [INFO] [stdout] | [INFO] [stdout] 7 | fn unite(self, oth: Self, u: usize, v: usize) -> Option { Some(Dummy()) } [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `hash_multiplier` is never read [INFO] [stdout] --> src/search/mod.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct SearchFlow { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 33 | hash_multiplier: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SearchFlow` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_degree` is never used [INFO] [stdout] --> src/search/mod.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl SearchFlow { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 107 | fn get_degree(&self, u: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `collections::HashSet` and `time::Instant` [INFO] [stdout] --> src/main.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{time::Instant, collections::HashSet}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `collections::HashSet` and `time::Instant` [INFO] [stdout] --> src/main.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{time::Instant, collections::HashSet}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `it` [INFO] [stdout] --> src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | for it in 0..16 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_it` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `it` [INFO] [stdout] --> src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | for it in 0..16 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_it` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | let mut board: Vec> = input.lines().map(|line| { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `h` [INFO] [stdout] --> src/main.rs:67:14 [INFO] [stdout] | [INFO] [stdout] 67 | let (h, w, down, right) = { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | let mut board: Vec> = input.lines().map(|line| { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/main.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | let (h, w, down, right) = { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `down` [INFO] [stdout] --> src/main.rs:67:20 [INFO] [stdout] | [INFO] [stdout] 67 | let (h, w, down, right) = { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_down` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/main.rs:67:26 [INFO] [stdout] | [INFO] [stdout] 67 | let (h, w, down, right) = { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `h` [INFO] [stdout] --> src/main.rs:67:14 [INFO] [stdout] | [INFO] [stdout] 67 | let (h, w, down, right) = { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/main.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | let (h, w, down, right) = { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `down` [INFO] [stdout] --> src/main.rs:67:20 [INFO] [stdout] | [INFO] [stdout] 67 | let (h, w, down, right) = { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_down` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/main.rs:67:26 [INFO] [stdout] | [INFO] [stdout] 67 | let (h, w, down, right) = { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.14s [INFO] running `Command { std: "docker" "inspect" "410ca28018f381fca62f21334b1e6589f1e36a5764269cc1e6e701402809ef22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "410ca28018f381fca62f21334b1e6589f1e36a5764269cc1e6e701402809ef22", kill_on_drop: false }` [INFO] [stdout] 410ca28018f381fca62f21334b1e6589f1e36a5764269cc1e6e701402809ef22