[INFO] cloning repository https://github.com/iadityanath8/RustGraphAlgorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iadityanath8/RustGraphAlgorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiadityanath8%2FRustGraphAlgorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiadityanath8%2FRustGraphAlgorithms'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cf3f7f38f90bf831cf6f84d1ed00278a84b13986 [INFO] checking iadityanath8/RustGraphAlgorithms against master#e23ae72ac7a393961886ea62df065ebb6def7d51 for pr-126571 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiadityanath8%2FRustGraphAlgorithms" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iadityanath8/RustGraphAlgorithms on toolchain e23ae72ac7a393961886ea62df065ebb6def7d51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iadityanath8/RustGraphAlgorithms [INFO] finished tweaking git repo https://github.com/iadityanath8/RustGraphAlgorithms [INFO] tweaked toml for git repo https://github.com/iadityanath8/RustGraphAlgorithms written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/iadityanath8/RustGraphAlgorithms 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" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking iadityanath8/RustGraphAlgorithms against try#397f8958d101b259f6baaf92d107d770c95c3ce0 for pr-126571 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiadityanath8%2FRustGraphAlgorithms" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iadityanath8/RustGraphAlgorithms on toolchain 397f8958d101b259f6baaf92d107d770c95c3ce0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iadityanath8/RustGraphAlgorithms [INFO] finished tweaking git repo https://github.com/iadityanath8/RustGraphAlgorithms [INFO] tweaked toml for git repo https://github.com/iadityanath8/RustGraphAlgorithms written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/iadityanath8/RustGraphAlgorithms 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" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb71799c3e46f8673c56b03c4de8bcb047768c4d56656c3fb16e646f2f53a36b [INFO] running `Command { std: "docker" "start" "-a" "eb71799c3e46f8673c56b03c4de8bcb047768c4d56656c3fb16e646f2f53a36b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb71799c3e46f8673c56b03c4de8bcb047768c4d56656c3fb16e646f2f53a36b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb71799c3e46f8673c56b03c4de8bcb047768c4d56656c3fb16e646f2f53a36b", kill_on_drop: false }` [INFO] [stdout] eb71799c3e46f8673c56b03c4de8bcb047768c4d56656c3fb16e646f2f53a36b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 594fb30017eb048d39f19d7b5947daff3f3461c223d73bbccd07751190ca7e17 [INFO] running `Command { std: "docker" "start" "-a" "594fb30017eb048d39f19d7b5947daff3f3461c223d73bbccd07751190ca7e17", kill_on_drop: false }` [INFO] [stderr] Checking c_research v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> src/main.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | fn dfs(g:&Graph,src:usize){ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> src/main.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | fn dfs(g:&Graph,src:usize){ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Wgrapgh` is never used [INFO] [stdout] --> src/main.rs:42:6 [INFO] [stdout] | [INFO] [stdout] 42 | type Wgrapgh = Vec>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Wgrapgh` is never used [INFO] [stdout] --> src/main.rs:42:6 [INFO] [stdout] | [INFO] [stdout] 42 | type Wgrapgh = Vec>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dijkstras` is never used [INFO] [stdout] --> src/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn dijkstras(gr:Wgrapgh,src:usize) -> Vec{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dijkstras` is never used [INFO] [stdout] --> src/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn dijkstras(gr:Wgrapgh,src:usize) -> Vec{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dfs` is never used [INFO] [stdout] --> src/main.rs:73:4 [INFO] [stdout] | [INFO] [stdout] 73 | fn dfs(g:&Graph,src:usize){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dfs` is never used [INFO] [stdout] --> src/main.rs:73:4 [INFO] [stdout] | [INFO] [stdout] 73 | fn dfs(g:&Graph,src:usize){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bfs` is never used [INFO] [stdout] --> src/main.rs:92:4 [INFO] [stdout] | [INFO] [stdout] 92 | fn bfs(g:&Graph, src:usize){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bfs` is never used [INFO] [stdout] --> src/main.rs:92:4 [INFO] [stdout] | [INFO] [stdout] 92 | fn bfs(g:&Graph, src:usize){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `top_sort` is never used [INFO] [stdout] --> src/main.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn top_sort(g:&Graph) -> Vec{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `top_sort` is never used [INFO] [stdout] --> src/main.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn top_sort(g:&Graph) -> Vec{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `articulation_point` is never used [INFO] [stdout] --> src/main.rs:136:4 [INFO] [stdout] | [INFO] [stdout] 136 | fn articulation_point(g:&Graph) -> Vec{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `articulation_point` is never used [INFO] [stdout] --> src/main.rs:136:4 [INFO] [stdout] | [INFO] [stdout] 136 | fn articulation_point(g:&Graph) -> Vec{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `top_sort_kahn` is never used [INFO] [stdout] --> src/main.rs:182:4 [INFO] [stdout] | [INFO] [stdout] 182 | fn top_sort_kahn(g:&Graph) -> Vec{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `top_sort_kahn` is never used [INFO] [stdout] --> src/main.rs:182:4 [INFO] [stdout] | [INFO] [stdout] 182 | fn top_sort_kahn(g:&Graph) -> Vec{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SccSolver` is never constructed [INFO] [stdout] --> src/main.rs:223:8 [INFO] [stdout] | [INFO] [stdout] 223 | struct SccSolver{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SccSolver` is never constructed [INFO] [stdout] --> src/main.rs:223:8 [INFO] [stdout] | [INFO] [stdout] 223 | struct SccSolver{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `set_desc`, `dfs`, and `tarjans_method` are never used [INFO] [stdout] --> src/main.rs:232:8 [INFO] [stdout] | [INFO] [stdout] 231 | impl SccSolver{ [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 232 | fn new() -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 236 | fn set_desc(&mut self){ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 242 | fn dfs(&mut self,g:&Graph,u:usize){ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 271 | fn tarjans_method(&mut self, g:&Graph){ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `set_desc`, `dfs`, and `tarjans_method` are never used [INFO] [stdout] --> src/main.rs:232:8 [INFO] [stdout] | [INFO] [stdout] 231 | impl SccSolver{ [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 232 | fn new() -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 236 | fn set_desc(&mut self){ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 242 | fn dfs(&mut self,g:&Graph,u:usize){ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 271 | fn tarjans_method(&mut self, g:&Graph){ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CycleDetectionSolverStackVariant` is never constructed [INFO] [stdout] --> src/main.rs:298:8 [INFO] [stdout] | [INFO] [stdout] 298 | struct CycleDetectionSolverStackVariant{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CycleDetectionSolverStackVariant` is never constructed [INFO] [stdout] --> src/main.rs:298:8 [INFO] [stdout] | [INFO] [stdout] 298 | struct CycleDetectionSolverStackVariant{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `dfs` are never used [INFO] [stdout] --> src/main.rs:324:8 [INFO] [stdout] | [INFO] [stdout] 323 | impl CycleDetectionSolverStackVariant{ [INFO] [stdout] | ------------------------------------- associated items in this implementation [INFO] [stdout] 324 | fn new() -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 328 | fn dfs(&mut self, g:&Graph,u:usize) -> bool{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `dfs` are never used [INFO] [stdout] --> src/main.rs:324:8 [INFO] [stdout] | [INFO] [stdout] 323 | impl CycleDetectionSolverStackVariant{ [INFO] [stdout] | ------------------------------------- associated items in this implementation [INFO] [stdout] 324 | fn new() -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 328 | fn dfs(&mut self, g:&Graph,u:usize) -> bool{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_Ap` should have a snake case name [INFO] [stdout] --> src/main.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | let mut is_Ap:Vec = vec![]; [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `is_ap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_Ap` should have a snake case name [INFO] [stdout] --> src/main.rs:144:103 [INFO] [stdout] | [INFO] [stdout] 144 | ...:&mut Vec,desc:&mut Vec,is_Ap:&mut Vec,time:&mut usize){ [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `is_ap` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_Ap` should have a snake case name [INFO] [stdout] --> src/main.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | let mut is_Ap:Vec = vec![]; [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `is_ap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_Ap` should have a snake case name [INFO] [stdout] --> src/main.rs:144:103 [INFO] [stdout] | [INFO] [stdout] 144 | ...:&mut Vec,desc:&mut Vec,is_Ap:&mut Vec,time:&mut usize){ [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `is_ap` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "594fb30017eb048d39f19d7b5947daff3f3461c223d73bbccd07751190ca7e17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "594fb30017eb048d39f19d7b5947daff3f3461c223d73bbccd07751190ca7e17", kill_on_drop: false }` [INFO] [stdout] 594fb30017eb048d39f19d7b5947daff3f3461c223d73bbccd07751190ca7e17