[INFO] cloning repository https://github.com/et4te/swim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/et4te/swim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fet4te%2Fswim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fet4te%2Fswim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3c9b088fc9bbcd921484a755feddf6b36fa9966
[INFO] testing et4te/swim against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fet4te%2Fswim" "/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/et4te/swim on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/et4te/swim
[INFO] finished tweaking git repo https://github.com/et4te/swim
[INFO] tweaked toml for git repo https://github.com/et4te/swim written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/et4te/swim 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/crossbeam-rs/crossbeam`
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tokio`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.15.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d4229f5e26ac75b870c0aeb7bd24fe315a6f9464c1161087cdee9df71520699
[INFO] running `Command { std: "docker" "start" "-a" "2d4229f5e26ac75b870c0aeb7bd24fe315a6f9464c1161087cdee9df71520699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d4229f5e26ac75b870c0aeb7bd24fe315a6f9464c1161087cdee9df71520699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d4229f5e26ac75b870c0aeb7bd24fe315a6f9464c1161087cdee9df71520699", kill_on_drop: false }`
[INFO] [stdout] 2d4229f5e26ac75b870c0aeb7bd24fe315a6f9464c1161087cdee9df71520699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "0790834b7c347926ba89c6c24c3dc0621a962e4758b81e05b54c092f7555d492", kill_on_drop: false }`
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[INFO] [stderr]    Compiling swim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `indegree` is never read
[INFO] [stdout]  --> src/digraph.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Digraph {
[INFO] [stdout]   |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     indegree: Vec<u32>, // indegree[v] = indegree of vertex v
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/digraph.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Digraph {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     pub fn new(v: u32) -> Digraph {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn validate_vertex(&self, v: u32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn add_edge(&mut self, v: u32, w: u32) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn adj(&self, v: u32) -> Vec<u32> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn outdegree(&self, v: u32) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn indegree(&self, v: u32) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn reverse(&self) -> Digraph {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A` is never used
[INFO] [stdout]   --> src/protocol/slush.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const A: f32 = 0.5;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `K` is never used
[INFO] [stdout]   --> src/protocol/slush.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const K: usize = 4;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_col`, `send_query`, `handle_query`, and `run` are never used
[INFO] [stdout]   --> src/protocol/slush.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Slush {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 24 |
[INFO] [stdout] 25 |     pub fn new(addr: NetAddr) -> Slush {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn set_col(&mut self, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn run(&mut self, tx: &ColourTx, rx: &mut ColourRx, membership: &Membership) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `outcome` is never used
[INFO] [stdout]    --> src/protocol/slush.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn outcome(votes: Vec<Colour>) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A` is never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const A: f32 = 0.5;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `B` is never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const B: u32 = 11;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `K` is never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const K: usize = 4;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snowflake` is never constructed
[INFO] [stdout]   --> src/protocol/snowflake.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Snowflake {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_col`, `set_cnt`, `send_query`, `handle_query`, and `run` are never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Snowflake {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 23 |
[INFO] [stdout] 24 |     pub fn new(addr: NetAddr) -> Snowflake {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn set_col(&mut self, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn set_cnt(&mut self, cnt: u32) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn run(&mut self, tx: &ColourTx, rx: &mut ColourRx, membership: &Membership) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `outcome` is never used
[INFO] [stdout]    --> src/protocol/snowflake.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn outcome(votes: Vec<Colour>) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `delay` is never read
[INFO] [stdout]   --> src/swim.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Swim {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 18 |     pub addr: NetAddr,
[INFO] [stdout] 19 |     delay: Option<u64>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Swim` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         write!(f, "{:?} vertices, {:?} edges\n", self.v(), self.e());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             write!(f, "{:?}: ", v);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 write!(f, "{:?} ", w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             write!(f, "\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/digraph.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if v < 0 || v >= self.v {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.69s
[INFO] running `Command { std: "docker" "inspect" "0790834b7c347926ba89c6c24c3dc0621a962e4758b81e05b54c092f7555d492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0790834b7c347926ba89c6c24c3dc0621a962e4758b81e05b54c092f7555d492", kill_on_drop: false }`
[INFO] [stdout] 0790834b7c347926ba89c6c24c3dc0621a962e4758b81e05b54c092f7555d492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0997fde1f4c2659305c58a0284845edf9f7a1f6c7a4f6cb57c8b81e8c19f4a72
[INFO] running `Command { std: "docker" "start" "-a" "0997fde1f4c2659305c58a0284845edf9f7a1f6c7a4f6cb57c8b81e8c19f4a72", kill_on_drop: false }`
[INFO] [stderr]    Compiling swim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `adj`, `outdegree`, `indegree`, and `reverse` are never used
[INFO] [stdout]   --> src/digraph.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Digraph {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn adj(&self, v: u32) -> Vec<u32> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn outdegree(&self, v: u32) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn indegree(&self, v: u32) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn reverse(&self) -> Digraph {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A` is never used
[INFO] [stdout]   --> src/protocol/slush.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const A: f32 = 0.5;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `K` is never used
[INFO] [stdout]   --> src/protocol/slush.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const K: usize = 4;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_col`, `send_query`, `handle_query`, and `run` are never used
[INFO] [stdout]   --> src/protocol/slush.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Slush {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 24 |
[INFO] [stdout] 25 |     pub fn new(addr: NetAddr) -> Slush {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn set_col(&mut self, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn run(&mut self, tx: &ColourTx, rx: &mut ColourRx, membership: &Membership) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `outcome` is never used
[INFO] [stdout]    --> src/protocol/slush.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn outcome(votes: Vec<Colour>) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A` is never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const A: f32 = 0.5;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `B` is never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const B: u32 = 11;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `K` is never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const K: usize = 4;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snowflake` is never constructed
[INFO] [stdout]   --> src/protocol/snowflake.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Snowflake {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_col`, `set_cnt`, `send_query`, `handle_query`, and `run` are never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Snowflake {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 23 |
[INFO] [stdout] 24 |     pub fn new(addr: NetAddr) -> Snowflake {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn set_col(&mut self, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn set_cnt(&mut self, cnt: u32) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn run(&mut self, tx: &ColourTx, rx: &mut ColourRx, membership: &Membership) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `outcome` is never used
[INFO] [stdout]    --> src/protocol/snowflake.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn outcome(votes: Vec<Colour>) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `delay` is never read
[INFO] [stdout]   --> src/swim.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Swim {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 18 |     pub addr: NetAddr,
[INFO] [stdout] 19 |     delay: Option<u64>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Swim` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         write!(f, "{:?} vertices, {:?} edges\n", self.v(), self.e());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             write!(f, "{:?}: ", v);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 write!(f, "{:?} ", w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             write!(f, "\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/digraph.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if v < 0 || v >= self.v {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "0997fde1f4c2659305c58a0284845edf9f7a1f6c7a4f6cb57c8b81e8c19f4a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0997fde1f4c2659305c58a0284845edf9f7a1f6c7a4f6cb57c8b81e8c19f4a72", kill_on_drop: false }`
[INFO] [stdout] 0997fde1f4c2659305c58a0284845edf9f7a1f6c7a4f6cb57c8b81e8c19f4a72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eec8b09b969ae3d9e7456205a2ba495b8fba0aecda32e5f297f53536f1f5312f
[INFO] running `Command { std: "docker" "start" "-a" "eec8b09b969ae3d9e7456205a2ba495b8fba0aecda32e5f297f53536f1f5312f", kill_on_drop: false }`
[INFO] [stderr] warning: methods `adj`, `outdegree`, `indegree`, and `reverse` are never used
[INFO] [stderr]   --> src/digraph.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl Digraph {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 55 |     pub fn adj(&self, v: u32) -> Vec<u32> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub fn outdegree(&self, v: u32) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 65 |     pub fn indegree(&self, v: u32) -> u32 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |     pub fn reverse(&self) -> Digraph {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `A` is never used
[INFO] [stderr]   --> src/protocol/slush.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | const A: f32 = 0.5;
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `K` is never used
[INFO] [stderr]   --> src/protocol/slush.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 15 | const K: usize = 4;
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `set_col`, `send_query`, `handle_query`, and `run` are never used
[INFO] [stderr]   --> src/protocol/slush.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Slush {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr] 24 |
[INFO] [stderr] 25 |     pub fn new(addr: NetAddr) -> Slush {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub fn set_col(&mut self, col: Colour) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 50 |     pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 |     pub fn run(&mut self, tx: &ColourTx, rx: &mut ColourRx, membership: &Membership) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `outcome` is never used
[INFO] [stderr]    --> src/protocol/slush.rs:112:8
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub fn outcome(votes: Vec<Colour>) -> (u32, u32) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `A` is never used
[INFO] [stderr]   --> src/protocol/snowflake.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 | const A: f32 = 0.5;
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `B` is never used
[INFO] [stderr]   --> src/protocol/snowflake.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | const B: u32 = 11;
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `K` is never used
[INFO] [stderr]   --> src/protocol/snowflake.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 | const K: usize = 4;
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Snowflake` is never constructed
[INFO] [stderr]   --> src/protocol/snowflake.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Snowflake {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `set_col`, `set_cnt`, `send_query`, `handle_query`, and `run` are never used
[INFO] [stderr]   --> src/protocol/snowflake.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Snowflake {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 23 |
[INFO] [stderr] 24 |     pub fn new(addr: NetAddr) -> Snowflake {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub fn set_col(&mut self, col: Colour) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub fn set_cnt(&mut self, cnt: u32) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 81 |     pub fn run(&mut self, tx: &ColourTx, rx: &mut ColourRx, membership: &Membership) -> bool {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `outcome` is never used
[INFO] [stderr]    --> src/protocol/snowflake.rs:139:8
[INFO] [stderr]     |
[INFO] [stderr] 139 | pub fn outcome(votes: Vec<Colour>) -> (u32, u32) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `delay` is never read
[INFO] [stderr]   --> src/swim.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Swim {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 18 |     pub addr: NetAddr,
[INFO] [stderr] 19 |     delay: Option<u64>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Swim` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/digraph.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         write!(f, "{:?} vertices, {:?} edges\n", self.v(), self.e());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/digraph.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |             write!(f, "{:?}: ", v);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/digraph.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |                 write!(f, "{:?} ", w);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/digraph.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             write!(f, "\n");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/digraph.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |         if v < 0 || v >= self.v {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `swim` (bin "swim" test) generated 17 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/swim-63f7b287932ae5da)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test digraph::tests::test_one ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- digraph::tests::test_one stdout ----
[INFO] [stdout] thread 'digraph::tests::test_one' panicked at src/digraph.rs:43:13:
[INFO] [stdout] vertex is not between 0 and v - 1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55b3a84c8536 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55b3a84c8536 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55b3a84c8536 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55b3a84c8536 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55b3a84f1380 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55b3a84f1380 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55b3a84c5f9f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55b3a84c8314 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55b3a84c8314 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55b3a84ca087 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55b3a84c9d6d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55b3a8495d47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55b3a8495d47 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55b3a84ca6a6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55b3a84ca6a6 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55b3a84a3648 - std::panicking::begin_panic::{{closure}}::hc81bcbf0abb34246
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:687:9
[INFO] [stdout]   16:     0x55b3a84a358a - std::sys_common::backtrace::__rust_end_short_backtrace::hd9881a1d04d218f4
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55b3a84a35c7 - std::panicking::begin_panic::h10606da28737ddde
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:686:12
[INFO] [stdout]   18:     0x55b3a8461185 - swim::digraph::Digraph::validate_vertex::h863435dd98078b59
[INFO] [stdout]                                at /opt/rustwide/workdir/src/digraph.rs:43:13
[INFO] [stdout]   19:     0x55b3a84611c1 - swim::digraph::Digraph::add_edge::h32a92ac35ae534a7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/digraph.rs:49:9
[INFO] [stdout]   20:     0x55b3a84612ec - swim::digraph::tests::test_one::hecbe8886cff63d26
[INFO] [stdout]                                at /opt/rustwide/workdir/src/digraph.rs:109:9
[INFO] [stdout]   21:     0x55b3a84612a7 - swim::digraph::tests::test_one::{{closure}}::h80ae56a95dd217b2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/digraph.rs:107:18
[INFO] [stdout]   22:     0x55b3a845eca6 - core::ops::function::FnOnce::call_once::hac29e11627e4ae55
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55b3a849b61f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55b3a849b61f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   25:     0x55b3a849a3a1 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   26:     0x55b3a849a3a1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55b3a849a3a1 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   28:     0x55b3a849a3a1 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   29:     0x55b3a849a3a1 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55b3a849a3a1 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   31:     0x55b3a849a3a1 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   32:     0x55b3a84616d6 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   33:     0x55b3a84616d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55b3a8466737 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   35:     0x55b3a8466737 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55b3a8466737 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   37:     0x55b3a8466737 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   38:     0x55b3a8466737 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55b3a8466737 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   40:     0x55b3a8466737 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55b3a84cf155 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x55b3a84cf155 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55b3a84cf155 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7fa5111e2ac3 - <unknown>
[INFO] [stdout]   45:     0x7fa511273bf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     digraph::tests::test_one
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin swim`
[INFO] running `Command { std: "docker" "inspect" "eec8b09b969ae3d9e7456205a2ba495b8fba0aecda32e5f297f53536f1f5312f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eec8b09b969ae3d9e7456205a2ba495b8fba0aecda32e5f297f53536f1f5312f", kill_on_drop: false }`
[INFO] [stdout] eec8b09b969ae3d9e7456205a2ba495b8fba0aecda32e5f297f53536f1f5312f
[INFO] testing et4te/swim against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fet4te%2Fswim" "/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/et4te/swim on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/et4te/swim
[INFO] finished tweaking git repo https://github.com/et4te/swim
[INFO] tweaked toml for git repo https://github.com/et4te/swim written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/et4te/swim 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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd1a2cce778c4a1c0b7bcb79dc8555e7a28a464243a371c8f8f9a6dd0b536a32
[INFO] running `Command { std: "docker" "start" "-a" "cd1a2cce778c4a1c0b7bcb79dc8555e7a28a464243a371c8f8f9a6dd0b536a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd1a2cce778c4a1c0b7bcb79dc8555e7a28a464243a371c8f8f9a6dd0b536a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd1a2cce778c4a1c0b7bcb79dc8555e7a28a464243a371c8f8f9a6dd0b536a32", kill_on_drop: false }`
[INFO] [stdout] cd1a2cce778c4a1c0b7bcb79dc8555e7a28a464243a371c8f8f9a6dd0b536a32
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ce20226519f1dabc77a38d1dfd22b00e0566abf909da7d8aff1d39d6898e188
[INFO] running `Command { std: "docker" "start" "-a" "0ce20226519f1dabc77a38d1dfd22b00e0566abf909da7d8aff1d39d6898e188", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling lock_api v0.1.4
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1 (https://github.com/crossbeam-rs/crossbeam#d627067b)
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1 (https://github.com/crossbeam-rs/crossbeam#d627067b)
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling tokio-executor v0.1.5 (https://github.com/tokio-rs/tokio#09f2ac85)
[INFO] [stderr]    Compiling tokio-io v0.1.10 (https://github.com/tokio-rs/tokio#09f2ac85)
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.6 (https://github.com/tokio-rs/tokio#09f2ac85)
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8 (https://github.com/tokio-rs/tokio#09f2ac85)
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling tokio-codec v0.1.1 (https://github.com/tokio-rs/tokio#09f2ac85)
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling tokio-uds v0.2.3 (https://github.com/tokio-rs/tokio#09f2ac85)
[INFO] [stderr]    Compiling tokio-udp v0.1.2 (https://github.com/tokio-rs/tokio#09f2ac85)
[INFO] [stderr]    Compiling tokio-fs v0.1.4 (https://github.com/tokio-rs/tokio#09f2ac85)
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.2 (https://github.com/tokio-rs/tokio#09f2ac85)
[INFO] [stderr]    Compiling crossbeam-channel v0.3.2 (https://github.com/crossbeam-rs/crossbeam#d627067b)
[INFO] [stderr]    Compiling tokio-current-thread v0.1.3 (https://github.com/tokio-rs/tokio#09f2ac85)
[INFO] [stderr]    Compiling tokio-timer v0.2.7 (https://github.com/tokio-rs/tokio#09f2ac85)
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2 (https://github.com/crossbeam-rs/crossbeam#d627067b)
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling tokio v0.1.12 (https://github.com/tokio-rs/tokio#09f2ac85)
[INFO] [stderr]    Compiling crossbeam v0.5.0 (https://github.com/crossbeam-rs/crossbeam#d627067b)
[INFO] [stderr]    Compiling tokio-serde v0.3.0
[INFO] [stderr]    Compiling crossbeam-skiplist v0.0.0 (https://github.com/crossbeam-rs/crossbeam#d627067b)
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling swim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `indegree` is never read
[INFO] [stdout]  --> src/digraph.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Digraph {
[INFO] [stdout]   |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     indegree: Vec<u32>, // indegree[v] = indegree of vertex v
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/digraph.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Digraph {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     pub fn new(v: u32) -> Digraph {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn validate_vertex(&self, v: u32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn add_edge(&mut self, v: u32, w: u32) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn adj(&self, v: u32) -> Vec<u32> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn outdegree(&self, v: u32) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn indegree(&self, v: u32) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn reverse(&self) -> Digraph {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A` is never used
[INFO] [stdout]   --> src/protocol/slush.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const A: f32 = 0.5;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `K` is never used
[INFO] [stdout]   --> src/protocol/slush.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const K: usize = 4;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_col`, `send_query`, `handle_query`, and `run` are never used
[INFO] [stdout]   --> src/protocol/slush.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Slush {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 24 |
[INFO] [stdout] 25 |     pub fn new(addr: NetAddr) -> Slush {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn set_col(&mut self, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn run(&mut self, tx: &ColourTx, rx: &mut ColourRx, membership: &Membership) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `outcome` is never used
[INFO] [stdout]    --> src/protocol/slush.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn outcome(votes: Vec<Colour>) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A` is never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const A: f32 = 0.5;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `B` is never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const B: u32 = 11;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `K` is never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const K: usize = 4;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snowflake` is never constructed
[INFO] [stdout]   --> src/protocol/snowflake.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Snowflake {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_col`, `set_cnt`, `send_query`, `handle_query`, and `run` are never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Snowflake {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 23 |
[INFO] [stdout] 24 |     pub fn new(addr: NetAddr) -> Snowflake {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn set_col(&mut self, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn set_cnt(&mut self, cnt: u32) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn run(&mut self, tx: &ColourTx, rx: &mut ColourRx, membership: &Membership) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `outcome` is never used
[INFO] [stdout]    --> src/protocol/snowflake.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn outcome(votes: Vec<Colour>) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `delay` is never read
[INFO] [stdout]   --> src/swim.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Swim {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 18 |     pub addr: NetAddr,
[INFO] [stdout] 19 |     delay: Option<u64>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Swim` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         write!(f, "{:?} vertices, {:?} edges\n", self.v(), self.e());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             write!(f, "{:?}: ", v);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 write!(f, "{:?} ", w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             write!(f, "\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/digraph.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if v < 0 || v >= self.v {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.25s
[INFO] running `Command { std: "docker" "inspect" "0ce20226519f1dabc77a38d1dfd22b00e0566abf909da7d8aff1d39d6898e188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce20226519f1dabc77a38d1dfd22b00e0566abf909da7d8aff1d39d6898e188", kill_on_drop: false }`
[INFO] [stdout] 0ce20226519f1dabc77a38d1dfd22b00e0566abf909da7d8aff1d39d6898e188
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e6f0b799c74c86a578d6703c8e772aa769901f62fd943903e9362d6c6efc2db
[INFO] running `Command { std: "docker" "start" "-a" "9e6f0b799c74c86a578d6703c8e772aa769901f62fd943903e9362d6c6efc2db", kill_on_drop: false }`
[INFO] [stderr]    Compiling swim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `adj`, `outdegree`, `indegree`, and `reverse` are never used
[INFO] [stdout]   --> src/digraph.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Digraph {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn adj(&self, v: u32) -> Vec<u32> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn outdegree(&self, v: u32) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn indegree(&self, v: u32) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn reverse(&self) -> Digraph {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A` is never used
[INFO] [stdout]   --> src/protocol/slush.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const A: f32 = 0.5;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `K` is never used
[INFO] [stdout]   --> src/protocol/slush.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const K: usize = 4;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_col`, `send_query`, `handle_query`, and `run` are never used
[INFO] [stdout]   --> src/protocol/slush.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Slush {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 24 |
[INFO] [stdout] 25 |     pub fn new(addr: NetAddr) -> Slush {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn set_col(&mut self, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn run(&mut self, tx: &ColourTx, rx: &mut ColourRx, membership: &Membership) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `outcome` is never used
[INFO] [stdout]    --> src/protocol/slush.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn outcome(votes: Vec<Colour>) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A` is never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const A: f32 = 0.5;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `B` is never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const B: u32 = 11;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `K` is never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const K: usize = 4;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snowflake` is never constructed
[INFO] [stdout]   --> src/protocol/snowflake.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Snowflake {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_col`, `set_cnt`, `send_query`, `handle_query`, and `run` are never used
[INFO] [stdout]   --> src/protocol/snowflake.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Snowflake {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 23 |
[INFO] [stdout] 24 |     pub fn new(addr: NetAddr) -> Snowflake {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn set_col(&mut self, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn set_cnt(&mut self, cnt: u32) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn run(&mut self, tx: &ColourTx, rx: &mut ColourRx, membership: &Membership) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `outcome` is never used
[INFO] [stdout]    --> src/protocol/snowflake.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn outcome(votes: Vec<Colour>) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `delay` is never read
[INFO] [stdout]   --> src/swim.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Swim {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 18 |     pub addr: NetAddr,
[INFO] [stdout] 19 |     delay: Option<u64>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Swim` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         write!(f, "{:?} vertices, {:?} edges\n", self.v(), self.e());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             write!(f, "{:?}: ", v);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 write!(f, "{:?} ", w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/digraph.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             write!(f, "\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/digraph.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if v < 0 || v >= self.v {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "9e6f0b799c74c86a578d6703c8e772aa769901f62fd943903e9362d6c6efc2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e6f0b799c74c86a578d6703c8e772aa769901f62fd943903e9362d6c6efc2db", kill_on_drop: false }`
[INFO] [stdout] 9e6f0b799c74c86a578d6703c8e772aa769901f62fd943903e9362d6c6efc2db
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19662d1747f375080fc59ff2547ebf43364c86cee68daca1de38072a944f61f5
[INFO] running `Command { std: "docker" "start" "-a" "19662d1747f375080fc59ff2547ebf43364c86cee68daca1de38072a944f61f5", kill_on_drop: false }`
[INFO] [stderr] warning: methods `adj`, `outdegree`, `indegree`, and `reverse` are never used
[INFO] [stderr]   --> src/digraph.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl Digraph {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 55 |     pub fn adj(&self, v: u32) -> Vec<u32> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub fn outdegree(&self, v: u32) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 65 |     pub fn indegree(&self, v: u32) -> u32 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |     pub fn reverse(&self) -> Digraph {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `A` is never used
[INFO] [stderr]   --> src/protocol/slush.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | const A: f32 = 0.5;
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `K` is never used
[INFO] [stderr]   --> src/protocol/slush.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 15 | const K: usize = 4;
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `set_col`, `send_query`, `handle_query`, and `run` are never used
[INFO] [stderr]   --> src/protocol/slush.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Slush {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr] 24 |
[INFO] [stderr] 25 |     pub fn new(addr: NetAddr) -> Slush {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub fn set_col(&mut self, col: Colour) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 50 |     pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 |     pub fn run(&mut self, tx: &ColourTx, rx: &mut ColourRx, membership: &Membership) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `outcome` is never used
[INFO] [stderr]    --> src/protocol/slush.rs:112:8
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub fn outcome(votes: Vec<Colour>) -> (u32, u32) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `A` is never used
[INFO] [stderr]   --> src/protocol/snowflake.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 | const A: f32 = 0.5;
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `B` is never used
[INFO] [stderr]   --> src/protocol/snowflake.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | const B: u32 = 11;
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `K` is never used
[INFO] [stderr]   --> src/protocol/snowflake.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 | const K: usize = 4;
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Snowflake` is never constructed
[INFO] [stderr]   --> src/protocol/snowflake.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Snowflake {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `set_col`, `set_cnt`, `send_query`, `handle_query`, and `run` are never used
[INFO] [stderr]   --> src/protocol/snowflake.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Snowflake {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 23 |
[INFO] [stderr] 24 |     pub fn new(addr: NetAddr) -> Snowflake {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub fn set_col(&mut self, col: Colour) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub fn set_cnt(&mut self, cnt: u32) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 81 |     pub fn run(&mut self, tx: &ColourTx, rx: &mut ColourRx, membership: &Membership) -> bool {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `outcome` is never used
[INFO] [stderr]    --> src/protocol/snowflake.rs:139:8
[INFO] [stderr]     |
[INFO] [stderr] 139 | pub fn outcome(votes: Vec<Colour>) -> (u32, u32) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `delay` is never read
[INFO] [stderr]   --> src/swim.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Swim {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 18 |     pub addr: NetAddr,
[INFO] [stderr] 19 |     delay: Option<u64>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Swim` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/digraph.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         write!(f, "{:?} vertices, {:?} edges\n", self.v(), self.e());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/digraph.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |             write!(f, "{:?}: ", v);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/digraph.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |                 write!(f, "{:?} ", w);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/digraph.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             write!(f, "\n");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/digraph.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |         if v < 0 || v >= self.v {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `swim` (bin "swim" test) generated 17 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/swim-e115d936569b4916)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass `--bin swim`
[INFO] [stdout] test digraph::tests::test_one ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- digraph::tests::test_one stdout ----
[INFO] [stdout] thread 'digraph::tests::test_one' panicked at src/digraph.rs:43:13:
[INFO] [stdout] vertex is not between 0 and v - 1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556829d96bd6 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x556829d96bd6 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556829d96bd6 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x556829d96bd6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x556829dbf850 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x556829dbf850 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x556829d9442f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x556829d969b4 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x556829d969b4 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x556829d98727 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x556829d9840d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x556829d63327 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x556829d63327 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x556829d98d46 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x556829d98d46 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x556829d706a8 - std::panicking::begin_panic::{{closure}}::h788c32104695fb72
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:689:9
[INFO] [stdout]   16:     0x556829d7097a - std::sys_common::backtrace::__rust_end_short_backtrace::hf8c3686a150795ad
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x556829d70647 - std::panicking::begin_panic::h1715be8679d241df
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:688:12
[INFO] [stdout]   18:     0x556829d2ec55 - swim::digraph::Digraph::validate_vertex::h829b955b1720133d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/digraph.rs:43:13
[INFO] [stdout]   19:     0x556829d2ec91 - swim::digraph::Digraph::add_edge::h20fbd9d637031ce1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/digraph.rs:49:9
[INFO] [stdout]   20:     0x556829d2edbc - swim::digraph::tests::test_one::haf1488590febf01d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/digraph.rs:109:9
[INFO] [stdout]   21:     0x556829d2ed77 - swim::digraph::tests::test_one::{{closure}}::he6bf856d92cb88b3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/digraph.rs:107:18
[INFO] [stdout]   22:     0x556829d2c7c6 - core::ops::function::FnOnce::call_once::hdc8ead08074c9622
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x556829d68f1f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x556829d68f1f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x556829d67d41 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x556829d67d41 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x556829d67d41 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   28:     0x556829d67d41 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   29:     0x556829d67d41 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x556829d67d41 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x556829d67d41 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   32:     0x556829d2f1a6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x556829d2f1a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x556829d34167 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   35:     0x556829d34167 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x556829d34167 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   37:     0x556829d34167 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   38:     0x556829d34167 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x556829d34167 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   40:     0x556829d34167 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x556829d9d0e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x556829d9d0e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x556829d9d0e5 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7fbef31b7ac3 - <unknown>
[INFO] [stdout]   45:     0x7fbef3248bf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     digraph::tests::test_one
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "19662d1747f375080fc59ff2547ebf43364c86cee68daca1de38072a944f61f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19662d1747f375080fc59ff2547ebf43364c86cee68daca1de38072a944f61f5", kill_on_drop: false }`
[INFO] [stdout] 19662d1747f375080fc59ff2547ebf43364c86cee68daca1de38072a944f61f5
