[INFO] cloning repository https://github.com/Goirad/Rusty-Ramsey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Goirad/Rusty-Ramsey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoirad%2FRusty-Ramsey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoirad%2FRusty-Ramsey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9092e4bfea7b52c5288835a4d2a6a6a00b86cf9
[INFO] testing Goirad/Rusty-Ramsey against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoirad%2FRusty-Ramsey" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Goirad/Rusty-Ramsey on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Goirad/Rusty-Ramsey
[INFO] finished tweaking git repo https://github.com/Goirad/Rusty-Ramsey
[INFO] tweaked toml for git repo https://github.com/Goirad/Rusty-Ramsey written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Goirad/Rusty-Ramsey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e281a7e982857f6f2ed3ec3e0ef94c4aac2d45b6f3f3fbcab831ec2ecb186ae6
[INFO] running `Command { std: "docker" "start" "-a" "e281a7e982857f6f2ed3ec3e0ef94c4aac2d45b6f3f3fbcab831ec2ecb186ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e281a7e982857f6f2ed3ec3e0ef94c4aac2d45b6f3f3fbcab831ec2ecb186ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e281a7e982857f6f2ed3ec3e0ef94c4aac2d45b6f3f3fbcab831ec2ecb186ae6", kill_on_drop: false }`
[INFO] [stdout] e281a7e982857f6f2ed3ec3e0ef94c4aac2d45b6f3f3fbcab831ec2ecb186ae6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35488da85644f2001574bfbc532170d1c6c91eff885486f18b7744df9dad5a86
[INFO] running `Command { std: "docker" "start" "-a" "35488da85644f2001574bfbc532170d1c6c91eff885486f18b7744df9dad5a86", kill_on_drop: false }`
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rusty_ramsey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph_lib.rs:76:42
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn generate_children2(&self, f: &Fn(&Graph) -> bool) -> Vec<Graph> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Graph) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/main.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let start = Instant::now();
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_old`
[INFO] [stdout]   --> src/main.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let num_old = c.graphs.len();
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:85:54
[INFO] [stdout]    |
[INFO] [stdout] 85 |         chunks.par_iter_mut().enumerate().for_each(|(i, c)| {
[INFO] [stdout]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/main.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let start = Instant::now();
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_old`
[INFO] [stdout]    --> src/main.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let num_old = c.graphs.len();
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:131:63
[INFO] [stdout]     |
[INFO] [stdout] 131 |             hard_chunks.par_iter_mut().enumerate().for_each(|(i, c)| {
[INFO] [stdout]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_comp`
[INFO] [stdout]   --> src/main.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut total_comp = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_comp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_processed`
[INFO] [stdout]   --> src/main.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut total_processed = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_processed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_comp`
[INFO] [stdout]    --> src/main.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut total_comp = 0;
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_comp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_processed`
[INFO] [stdout]    --> src/main.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let mut total_processed = 0;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_processed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut next = Arc::new(Mutex::new(vec![]));
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut total_comp = 0;
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut total_processed = 0;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut hard_ones = Mutex::new(vec![]);
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut total_comp = 0;
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let mut total_processed = 0;
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph_lib.rs:679:17
[INFO] [stdout]     |
[INFO] [stdout] 679 |             let mut orig_g_bins = LabeledGraph::bin(&g.labeling.labels);
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `collapse`
[INFO] [stdout]    --> src/graph_lib.rs:648:8
[INFO] [stdout]     |
[INFO] [stdout] 648 |     fn collapse(list: &Vec<Vec<usize>>) -> Vec<usize> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `views`
[INFO] [stdout]    --> src/main.rs:177:4
[INFO] [stdout]     |
[INFO] [stdout] 177 | fn views<T>(v: &Vec<T>, n: usize) -> Vec<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fmt_dur`
[INFO] [stdout]    --> src/main.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn fmt_dur(d: Duration) -> String {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dedup`
[INFO] [stdout]    --> src/main.rs:201:4
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn dedup<T: Eq>(v: &mut Vec<T>) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `k3_free`
[INFO] [stdout]    --> src/main.rs:210:4
[INFO] [stdout]     |
[INFO] [stdout] 210 | fn k3_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `k5_free`
[INFO] [stdout]    --> src/main.rs:251:4
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn k5_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.32s
[INFO] running `Command { std: "docker" "inspect" "35488da85644f2001574bfbc532170d1c6c91eff885486f18b7744df9dad5a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35488da85644f2001574bfbc532170d1c6c91eff885486f18b7744df9dad5a86", kill_on_drop: false }`
[INFO] [stdout] 35488da85644f2001574bfbc532170d1c6c91eff885486f18b7744df9dad5a86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1f6beb906a19afa1a5f7d343a7f3cd12cdc489cd39f8f285445cfacd300d4ef
[INFO] running `Command { std: "docker" "start" "-a" "a1f6beb906a19afa1a5f7d343a7f3cd12cdc489cd39f8f285445cfacd300d4ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rusty_ramsey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph_lib.rs:76:42
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn generate_children2(&self, f: &Fn(&Graph) -> bool) -> Vec<Graph> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Graph) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/main.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let start = Instant::now();
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_old`
[INFO] [stdout]   --> src/main.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let num_old = c.graphs.len();
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:85:54
[INFO] [stdout]    |
[INFO] [stdout] 85 |         chunks.par_iter_mut().enumerate().for_each(|(i, c)| {
[INFO] [stdout]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/main.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let start = Instant::now();
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_old`
[INFO] [stdout]    --> src/main.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let num_old = c.graphs.len();
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:131:63
[INFO] [stdout]     |
[INFO] [stdout] 131 |             hard_chunks.par_iter_mut().enumerate().for_each(|(i, c)| {
[INFO] [stdout]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_comp`
[INFO] [stdout]   --> src/main.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut total_comp = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_comp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_processed`
[INFO] [stdout]   --> src/main.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut total_processed = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_processed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_comp`
[INFO] [stdout]    --> src/main.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut total_comp = 0;
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_comp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_processed`
[INFO] [stdout]    --> src/main.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let mut total_processed = 0;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_processed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut next = Arc::new(Mutex::new(vec![]));
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut total_comp = 0;
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut total_processed = 0;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut hard_ones = Mutex::new(vec![]);
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut total_comp = 0;
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let mut total_processed = 0;
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph_lib.rs:679:17
[INFO] [stdout]     |
[INFO] [stdout] 679 |             let mut orig_g_bins = LabeledGraph::bin(&g.labeling.labels);
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `collapse`
[INFO] [stdout]    --> src/graph_lib.rs:648:8
[INFO] [stdout]     |
[INFO] [stdout] 648 |     fn collapse(list: &Vec<Vec<usize>>) -> Vec<usize> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `views`
[INFO] [stdout]    --> src/main.rs:177:4
[INFO] [stdout]     |
[INFO] [stdout] 177 | fn views<T>(v: &Vec<T>, n: usize) -> Vec<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fmt_dur`
[INFO] [stdout]    --> src/main.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn fmt_dur(d: Duration) -> String {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dedup`
[INFO] [stdout]    --> src/main.rs:201:4
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn dedup<T: Eq>(v: &mut Vec<T>) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `k3_free`
[INFO] [stdout]    --> src/main.rs:210:4
[INFO] [stdout]     |
[INFO] [stdout] 210 | fn k3_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `k5_free`
[INFO] [stdout]    --> src/main.rs:251:4
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn k5_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "a1f6beb906a19afa1a5f7d343a7f3cd12cdc489cd39f8f285445cfacd300d4ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f6beb906a19afa1a5f7d343a7f3cd12cdc489cd39f8f285445cfacd300d4ef", kill_on_drop: false }`
[INFO] [stdout] a1f6beb906a19afa1a5f7d343a7f3cd12cdc489cd39f8f285445cfacd300d4ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3fb313d68587fb63ee11840713fafbf26f7e06697acc39a91bec5a2697108b8
[INFO] running `Command { std: "docker" "start" "-a" "f3fb313d68587fb63ee11840713fafbf26f7e06697acc39a91bec5a2697108b8", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/graph_lib.rs:76:42
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn generate_children2(&self, f: &Fn(&Graph) -> bool) -> Vec<Graph> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Graph) -> bool`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]   --> src/main.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 |             let start = Instant::now();
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_old`
[INFO] [stderr]   --> src/main.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let num_old = c.graphs.len();
[INFO] [stderr]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_old`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:85:54
[INFO] [stderr]    |
[INFO] [stderr] 85 |         chunks.par_iter_mut().enumerate().for_each(|(i, c)| {
[INFO] [stderr]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]    --> src/main.rs:132:21
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 let start = Instant::now();
[INFO] [stderr]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_old`
[INFO] [stderr]    --> src/main.rs:135:21
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let num_old = c.graphs.len();
[INFO] [stderr]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_old`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:131:63
[INFO] [stderr]     |
[INFO] [stderr] 131 |             hard_chunks.par_iter_mut().enumerate().for_each(|(i, c)| {
[INFO] [stderr]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_comp`
[INFO] [stderr]   --> src/main.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let mut total_comp = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_comp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_processed`
[INFO] [stderr]   --> src/main.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut total_processed = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_processed`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_comp`
[INFO] [stderr]    --> src/main.rs:126:21
[INFO] [stderr]     |
[INFO] [stderr] 126 |             let mut total_comp = 0;
[INFO] [stderr]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_comp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_processed`
[INFO] [stderr]    --> src/main.rs:127:21
[INFO] [stderr]     |
[INFO] [stderr] 127 |             let mut total_processed = 0;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_processed`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut next = Arc::new(Mutex::new(vec![]));
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let mut total_comp = 0;
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut total_processed = 0;
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let mut hard_ones = Mutex::new(vec![]);
[INFO] [stderr]    |             ----^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |             let mut total_comp = 0;
[INFO] [stderr]     |                 ----^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |             let mut total_processed = 0;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/graph_lib.rs:679:17
[INFO] [stderr]     |
[INFO] [stderr] 679 |             let mut orig_g_bins = LabeledGraph::bin(&g.labeling.labels);
[INFO] [stderr]     |                 ----^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `collapse`
[INFO] [stderr]    --> src/graph_lib.rs:648:8
[INFO] [stderr]     |
[INFO] [stderr] 648 |     fn collapse(list: &Vec<Vec<usize>>) -> Vec<usize> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `views`
[INFO] [stderr]    --> src/main.rs:177:4
[INFO] [stderr]     |
[INFO] [stderr] 177 | fn views<T>(v: &Vec<T>, n: usize) -> Vec<(usize, usize)> {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fmt_dur`
[INFO] [stderr]    --> src/main.rs:189:4
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn fmt_dur(d: Duration) -> String {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dedup`
[INFO] [stderr]    --> src/main.rs:201:4
[INFO] [stderr]     |
[INFO] [stderr] 201 | fn dedup<T: Eq>(v: &mut Vec<T>) {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `k3_free`
[INFO] [stderr]    --> src/main.rs:210:4
[INFO] [stderr]     |
[INFO] [stderr] 210 | fn k3_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `k5_free`
[INFO] [stderr]    --> src/main.rs:251:4
[INFO] [stderr]     |
[INFO] [stderr] 251 | fn k5_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusty_ramsey-a200dcc1c4c80003)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3fb313d68587fb63ee11840713fafbf26f7e06697acc39a91bec5a2697108b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3fb313d68587fb63ee11840713fafbf26f7e06697acc39a91bec5a2697108b8", kill_on_drop: false }`
[INFO] [stdout] f3fb313d68587fb63ee11840713fafbf26f7e06697acc39a91bec5a2697108b8