[INFO] updating cached repository et4te/swim [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/et4te/swim [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/et4te/swim" "work/ex/beta-1.37-6/sources/1.36.0/gh/et4te/swim"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/et4te/swim'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/et4te/swim" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/et4te/swim"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/et4te/swim'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3bb49e22e1cfe12cd081aeac06ceb883535a92a7 [INFO] sha for GitHub repo et4te/swim: 3bb49e22e1cfe12cd081aeac06ceb883535a92a7 [INFO] validating manifest of et4te/swim on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of et4te/swim on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing et4te/swim [INFO] finished frobbing et4te/swim [INFO] frobbed toml for et4te/swim written to work/ex/beta-1.37-6/sources/1.36.0/gh/et4te/swim/Cargo.toml [INFO] started frobbing et4te/swim [INFO] finished frobbing et4te/swim [INFO] frobbed toml for et4te/swim written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/et4te/swim/Cargo.toml [INFO] crate et4te/swim already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing et4te/swim against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/et4te/swim:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 6dd456fb7956b1ab9cd678fb8184c36184ed91066c10acb98561343690fd0898 [INFO] running `"docker" "start" "-a" "6dd456fb7956b1ab9cd678fb8184c36184ed91066c10acb98561343690fd0898"` [INFO] [stderr] Compiling crossbeam-utils v0.6.1 (https://github.com/crossbeam-rs/crossbeam#d627067b) [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 tokio-serde v0.3.0 [INFO] [stderr] Compiling bincode v1.0.1 [INFO] [stderr] Compiling syn v0.15.21 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Compiling crossbeam-epoch v0.6.1 (https://github.com/crossbeam-rs/crossbeam#d627067b) [INFO] [stderr] Compiling tokio-threadpool v0.1.8 (https://github.com/tokio-rs/tokio#09f2ac85) [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 crossbeam-channel v0.3.2 (https://github.com/crossbeam-rs/crossbeam#d627067b) [INFO] [stderr] Compiling crossbeam-skiplist v0.0.0 (https://github.com/crossbeam-rs/crossbeam#d627067b) [INFO] [stderr] Compiling tokio-reactor v0.1.6 (https://github.com/tokio-rs/tokio#09f2ac85) [INFO] [stderr] Compiling tokio-codec v0.1.1 (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-udp v0.1.2 (https://github.com/tokio-rs/tokio#09f2ac85) [INFO] [stderr] Compiling tokio-uds v0.2.3 (https://github.com/tokio-rs/tokio#09f2ac85) [INFO] [stderr] Compiling tokio-tcp 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 tokio v0.1.12 (https://github.com/tokio-rs/tokio#09f2ac85) [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling pretty_env_logger v0.2.5 [INFO] [stderr] Compiling swim v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: field is never used: `indegree` [INFO] [stderr] --> src/digraph.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | indegree: Vec, // indegree[v] = indegree of vertex v [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/digraph.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn new(v: u32) -> Digraph { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `validate_vertex` [INFO] [stderr] --> src/digraph.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | fn validate_vertex(&self, v: u32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_edge` [INFO] [stderr] --> src/digraph.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn add_edge(&mut self, v: u32, w: u32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `adj` [INFO] [stderr] --> src/digraph.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn adj(&self, v: u32) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `outdegree` [INFO] [stderr] --> src/digraph.rs:60:5 [INFO] [stderr] | [INFO] [stderr] 60 | pub fn outdegree(&self, v: u32) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `indegree` [INFO] [stderr] --> src/digraph.rs:65:5 [INFO] [stderr] | [INFO] [stderr] 65 | pub fn indegree(&self, v: u32) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `reverse` [INFO] [stderr] --> src/digraph.rs:70:5 [INFO] [stderr] | [INFO] [stderr] 70 | pub fn reverse(&self) -> Digraph { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `A` [INFO] [stderr] --> src/protocol/slush.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const A: f32 = 0.5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `K` [INFO] [stderr] --> src/protocol/slush.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | const K: usize = 4; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/protocol/slush.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn new(addr: NetAddr) -> Slush { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_col` [INFO] [stderr] --> src/protocol/slush.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn set_col(&mut self, col: Colour) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `send_query` [INFO] [stderr] --> src/protocol/slush.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `handle_query` [INFO] [stderr] --> src/protocol/slush.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run` [INFO] [stderr] --> src/protocol/slush.rs:75:5 [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 is never used: `outcome` [INFO] [stderr] --> src/protocol/slush.rs:112:1 [INFO] [stderr] | [INFO] [stderr] 112 | pub fn outcome(votes: Vec) -> (u32, u32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `A` [INFO] [stderr] --> src/protocol/snowflake.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | const A: f32 = 0.5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `B` [INFO] [stderr] --> src/protocol/snowflake.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const B: u32 = 11; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `K` [INFO] [stderr] --> src/protocol/snowflake.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | const K: usize = 4; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Snowflake` [INFO] [stderr] --> src/protocol/snowflake.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | pub struct Snowflake { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/protocol/snowflake.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn new(addr: NetAddr) -> Snowflake { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_col` [INFO] [stderr] --> src/protocol/snowflake.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn set_col(&mut self, col: Colour) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_cnt` [INFO] [stderr] --> src/protocol/snowflake.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn set_cnt(&mut self, cnt: u32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `send_query` [INFO] [stderr] --> src/protocol/snowflake.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `handle_query` [INFO] [stderr] --> src/protocol/snowflake.rs:72:5 [INFO] [stderr] | [INFO] [stderr] 72 | pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run` [INFO] [stderr] --> src/protocol/snowflake.rs:81:5 [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 is never used: `outcome` [INFO] [stderr] --> src/protocol/snowflake.rs:139:1 [INFO] [stderr] | [INFO] [stderr] 139 | pub fn outcome(votes: Vec) -> (u32, u32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-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] Finished dev [unoptimized + debuginfo] target(s) in 1m 09s [INFO] running `"docker" "inspect" "6dd456fb7956b1ab9cd678fb8184c36184ed91066c10acb98561343690fd0898"` [INFO] running `"docker" "rm" "-f" "6dd456fb7956b1ab9cd678fb8184c36184ed91066c10acb98561343690fd0898"` [INFO] [stdout] 6dd456fb7956b1ab9cd678fb8184c36184ed91066c10acb98561343690fd0898 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/et4te/swim:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 8e28854ad690220ff8eb68eac748826f9b63c090026961a898b1770f727e693d [INFO] running `"docker" "start" "-a" "8e28854ad690220ff8eb68eac748826f9b63c090026961a898b1770f727e693d"` [INFO] [stderr] Compiling swim v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: method is never used: `adj` [INFO] [stderr] --> src/digraph.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn adj(&self, v: u32) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `outdegree` [INFO] [stderr] --> src/digraph.rs:60:5 [INFO] [stderr] | [INFO] [stderr] 60 | pub fn outdegree(&self, v: u32) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `indegree` [INFO] [stderr] --> src/digraph.rs:65:5 [INFO] [stderr] | [INFO] [stderr] 65 | pub fn indegree(&self, v: u32) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `reverse` [INFO] [stderr] --> src/digraph.rs:70:5 [INFO] [stderr] | [INFO] [stderr] 70 | pub fn reverse(&self) -> Digraph { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `A` [INFO] [stderr] --> src/protocol/slush.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const A: f32 = 0.5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `K` [INFO] [stderr] --> src/protocol/slush.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | const K: usize = 4; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/protocol/slush.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn new(addr: NetAddr) -> Slush { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_col` [INFO] [stderr] --> src/protocol/slush.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn set_col(&mut self, col: Colour) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `send_query` [INFO] [stderr] --> src/protocol/slush.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `handle_query` [INFO] [stderr] --> src/protocol/slush.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run` [INFO] [stderr] --> src/protocol/slush.rs:75:5 [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 is never used: `outcome` [INFO] [stderr] --> src/protocol/slush.rs:112:1 [INFO] [stderr] | [INFO] [stderr] 112 | pub fn outcome(votes: Vec) -> (u32, u32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `A` [INFO] [stderr] --> src/protocol/snowflake.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | const A: f32 = 0.5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `B` [INFO] [stderr] --> src/protocol/snowflake.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const B: u32 = 11; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `K` [INFO] [stderr] --> src/protocol/snowflake.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | const K: usize = 4; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Snowflake` [INFO] [stderr] --> src/protocol/snowflake.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | pub struct Snowflake { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/protocol/snowflake.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn new(addr: NetAddr) -> Snowflake { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_col` [INFO] [stderr] --> src/protocol/snowflake.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn set_col(&mut self, col: Colour) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_cnt` [INFO] [stderr] --> src/protocol/snowflake.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn set_cnt(&mut self, cnt: u32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `send_query` [INFO] [stderr] --> src/protocol/snowflake.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn send_query(&self, tx: ColourTx, peer_addr: NetAddr) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `handle_query` [INFO] [stderr] --> src/protocol/snowflake.rs:72:5 [INFO] [stderr] | [INFO] [stderr] 72 | pub fn handle_query(&mut self, tx: ResponseTx, col: Colour) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run` [INFO] [stderr] --> src/protocol/snowflake.rs:81:5 [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 is never used: `outcome` [INFO] [stderr] --> src/protocol/snowflake.rs:139:1 [INFO] [stderr] | [INFO] [stderr] 139 | pub fn outcome(votes: Vec) -> (u32, u32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-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] Finished dev [unoptimized + debuginfo] target(s) in 3.54s [INFO] running `"docker" "inspect" "8e28854ad690220ff8eb68eac748826f9b63c090026961a898b1770f727e693d"` [INFO] running `"docker" "rm" "-f" "8e28854ad690220ff8eb68eac748826f9b63c090026961a898b1770f727e693d"` [INFO] [stdout] 8e28854ad690220ff8eb68eac748826f9b63c090026961a898b1770f727e693d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/et4te/swim:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 4f56d00f1be03d1ccf219124d756c7bbb77cbf0fe0a2e69f097884c4fa5f61e2 [INFO] running `"docker" "start" "-a" "4f56d00f1be03d1ccf219124d756c7bbb77cbf0fe0a2e69f097884c4fa5f61e2"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running /opt/crater/target/debug/deps/swim-16f9dfbe267b6b5b [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 'vertex is not between 0 and v - 1', src/digraph.rs:43:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55712a58edb3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55712a58a6eb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x55712a58daf6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x55712a58d81e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x55712a58e1ff - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x55712a57e547 - std::panicking::begin_panic::h73aca3b4ab01a430 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stdout] 6: 0x55712a53b873 - swim::digraph::Digraph::validate_vertex::haf01ce75648ae275 [INFO] [stdout] at src/digraph.rs:43 [INFO] [stdout] 7: 0x55712a53b8ac - swim::digraph::Digraph::add_edge::ha188a09876f2ddd7 [INFO] [stdout] at src/digraph.rs:49 [INFO] [stdout] 8: 0x55712a53a8d7 - swim::digraph::tests::test_one::h214b2323ee322daa [INFO] [stdout] at src/digraph.rs:109 [INFO] [stdout] 9: 0x55712a53a889 - swim::digraph::tests::test_one::{{closure}}::h2f339e5f02bb23a1 [INFO] [stdout] at src/digraph.rs:107 [INFO] [stdout] 10: 0x55712a53a9cd - core::ops::function::FnOnce::call_once::haee4ebf3a27051db [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: 0x55712a5482ae - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 12: 0x55712a590f19 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 13: 0x55712a562ba7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 14: 0x55712a53d5c4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 15: 0x55712a541674 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 16: 0x55712a590f19 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 17: 0x55712a541c81 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: 0x55712a5824ce - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 19: 0x55712a5905ff - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: 0x7f75cc3964a3 - start_thread [INFO] [stdout] 21: 0x7f75cbec1d0e - __clone [INFO] [stdout] 22: 0x0 - [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 [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin swim' [INFO] running `"docker" "inspect" "4f56d00f1be03d1ccf219124d756c7bbb77cbf0fe0a2e69f097884c4fa5f61e2"` [INFO] running `"docker" "rm" "-f" "4f56d00f1be03d1ccf219124d756c7bbb77cbf0fe0a2e69f097884c4fa5f61e2"` [INFO] [stdout] 4f56d00f1be03d1ccf219124d756c7bbb77cbf0fe0a2e69f097884c4fa5f61e2