[INFO] cloning repository https://github.com/qingzhu521/paradfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qingzhu521/paradfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqingzhu521%2Fparadfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqingzhu521%2Fparadfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62bbfac221a087da219f3918303f10d391cfd9ef
[INFO] testing qingzhu521/paradfs against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqingzhu521%2Fparadfs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qingzhu521/paradfs
[INFO] finished tweaking git repo https://github.com/qingzhu521/paradfs
[INFO] tweaked toml for git repo https://github.com/qingzhu521/paradfs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qingzhu521/paradfs on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qingzhu521/paradfs 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20d74c4b8a636e7522a9f76c1f7273bd58d9e4953f26172aac7087385f6da7ac
[INFO] running `Command { std: "docker" "start" "-a" "20d74c4b8a636e7522a9f76c1f7273bd58d9e4953f26172aac7087385f6da7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20d74c4b8a636e7522a9f76c1f7273bd58d9e4953f26172aac7087385f6da7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d74c4b8a636e7522a9f76c1f7273bd58d9e4953f26172aac7087385f6da7ac", kill_on_drop: false }`
[INFO] [stdout] 20d74c4b8a636e7522a9f76c1f7273bd58d9e4953f26172aac7087385f6da7ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa3988734c15df6a19b9247c55864a8b5759e5137463fd94b9ae177568eb4455
[INFO] running `Command { std: "docker" "start" "-a" "aa3988734c15df6a19b9247c55864a8b5759e5137463fd94b9ae177568eb4455", kill_on_drop: false }`
[INFO] [stderr]    Compiling paradfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/algorithm/dfs.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Instant;
[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 import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/algorithm/dfs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/algorithm/dfs_parallel.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             (result)
[INFO] [stdout]    |             ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -             (result)
[INFO] [stdout] 60 +             result 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::intrinsics`: import this function via `std::ptr` instead
[INFO] [stdout]  --> src/common/io/buffer.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::intrinsics::copy_nonoverlapping;
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::intrinsics`: import this function via `std::ptr` instead
[INFO] [stdout]  --> src/common/io/buffer.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::intrinsics::copy;
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithm/incremental_dfs.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     mut graph: Graph,
[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: `result`
[INFO] [stdout]   --> src/algorithm/incremental_dfs.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     result: &mut Vec<GraphPath>,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `err_msg` is never read
[INFO] [stdout]   --> src/utils/load_source_text.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct LoadError {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 34 |     err_msg: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoadError` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "aa3988734c15df6a19b9247c55864a8b5759e5137463fd94b9ae177568eb4455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa3988734c15df6a19b9247c55864a8b5759e5137463fd94b9ae177568eb4455", kill_on_drop: false }`
[INFO] [stdout] aa3988734c15df6a19b9247c55864a8b5759e5137463fd94b9ae177568eb4455
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f523b82247869076a7b9c04d4cfc2c36f2489d2d53671e10096fb8b0b91e4310
[INFO] running `Command { std: "docker" "start" "-a" "f523b82247869076a7b9c04d4cfc2c36f2489d2d53671e10096fb8b0b91e4310", kill_on_drop: false }`
[INFO] [stderr]    Compiling paradfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/algorithm/dfs.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Instant;
[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 import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/algorithm/dfs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/algorithm/dfs_parallel.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             (result)
[INFO] [stdout]    |             ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -             (result)
[INFO] [stdout] 60 +             result 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::intrinsics`: import this function via `std::ptr` instead
[INFO] [stdout]  --> src/common/io/buffer.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::intrinsics::copy_nonoverlapping;
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::intrinsics`: import this function via `std::ptr` instead
[INFO] [stdout]  --> src/common/io/buffer.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::intrinsics::copy;
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithm/incremental_dfs.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     mut graph: Graph,
[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: `result`
[INFO] [stdout]   --> src/algorithm/incremental_dfs.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     result: &mut Vec<GraphPath>,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `err_msg` is never read
[INFO] [stdout]   --> src/utils/load_source_text.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct LoadError {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 34 |     err_msg: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoadError` 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: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/algorithm/dfs.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Instant;
[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 import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/algorithm/dfs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/algorithm/dfs_parallel.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             (result)
[INFO] [stdout]    |             ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -             (result)
[INFO] [stdout] 60 +             result 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::intrinsics`: import this function via `std::ptr` instead
[INFO] [stdout]  --> src/common/io/buffer.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::intrinsics::copy_nonoverlapping;
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::intrinsics`: import this function via `std::ptr` instead
[INFO] [stdout]  --> src/common/io/buffer.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::intrinsics::copy;
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 9 arguments but 8 arguments were supplied
[INFO] [stdout]    --> src/algorithm/dfs.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         dfs(now, target, k, &graph, &mut result, &mut path, false, &mut visit);
[INFO] [stdout]     |         ^^^                                      --------- argument #6 of type `&mut Option<&mut Vec<Vec<i64>>>` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/algorithm/dfs.rs:21:8
[INFO] [stdout]     |
[INFO] [stdout]  21 | pub fn dfs(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  27 |     temp_ans: &mut Option<&mut Vec<GraphPath>>,
[INFO] [stdout]     |     ------------------------------------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 219 |         dfs(now, target, k, &graph, &mut result, /* &mut Option<&mut Vec<Vec<i64>>> */, &mut path, false, &mut visit);
[INFO] [stdout]     |                                                  ++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 9 arguments but 8 arguments were supplied
[INFO] [stdout]    --> src/algorithm/dfs.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         dfs(now, target, k, &graph, &mut result, &mut path, true, &mut visit);
[INFO] [stdout]     |         ^^^                                      --------- argument #6 of type `&mut Option<&mut Vec<Vec<i64>>>` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/algorithm/dfs.rs:21:8
[INFO] [stdout]     |
[INFO] [stdout]  21 | pub fn dfs(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  27 |     temp_ans: &mut Option<&mut Vec<GraphPath>>,
[INFO] [stdout]     |     ------------------------------------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 235 |         dfs(now, target, k, &graph, &mut result, /* &mut Option<&mut Vec<Vec<i64>>> */, &mut path, true, &mut visit);
[INFO] [stdout]     |                                                  ++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 7 arguments but 6 arguments were supplied
[INFO] [stdout]    --> src/algorithm/dfs_parallel.rs:476:9
[INFO] [stdout]     |
[INFO] [stdout] 476 |           dfs_for_continue_parallel(
[INFO] [stdout]     |  _________^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout] 477 | |             Arc::new(temp_result), 
[INFO] [stdout] 478 | |             0, 
[INFO] [stdout] 479 | |             4, 
[INFO] [stdout] 480 | |             Arc::new(graph), 
[INFO] [stdout] 481 | |             &mut result, 
[INFO] [stdout] 482 | |             false);
[INFO] [stdout]     | |__________________- argument #7 of type `Option<&mut Vec<Vec<i64>>>` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/algorithm/dfs_parallel.rs:13:8
[INFO] [stdout]     |
[INFO] [stdout]  13 | pub fn dfs_for_continue_parallel(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  20 |     part_ans: Option<&mut Vec<GraphPath>>
[INFO] [stdout]     |     -------------------------------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 476 ~         dfs_for_continue_parallel(
[INFO] [stdout] 477 +             Arc::new(temp_result),
[INFO] [stdout] 478 +             0,
[INFO] [stdout] 479 +             4,
[INFO] [stdout] 480 +             Arc::new(graph),
[INFO] [stdout] 481 +             &mut result,
[INFO] [stdout] 482 +             false,
[INFO] [stdout] 483 +             /* Option<&mut Vec<Vec<i64>>> */,
[INFO] [stdout] 484 ~         );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithm/incremental_dfs.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     mut graph: Graph,
[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: `result`
[INFO] [stdout]   --> src/algorithm/incremental_dfs.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     result: &mut Vec<GraphPath>,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paradfs` (lib test) due to 3 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f523b82247869076a7b9c04d4cfc2c36f2489d2d53671e10096fb8b0b91e4310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f523b82247869076a7b9c04d4cfc2c36f2489d2d53671e10096fb8b0b91e4310", kill_on_drop: false }`
[INFO] [stdout] f523b82247869076a7b9c04d4cfc2c36f2489d2d53671e10096fb8b0b91e4310
