[INFO] cloning repository https://github.com/keitaroskmt/matroid_bandits [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keitaroskmt/matroid_bandits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeitaroskmt%2Fmatroid_bandits", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeitaroskmt%2Fmatroid_bandits'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3edb682fdb60f8083c61b650e9ec34bbf7eab762 [INFO] testing keitaroskmt/matroid_bandits against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeitaroskmt%2Fmatroid_bandits" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/keitaroskmt/matroid_bandits on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/keitaroskmt/matroid_bandits [INFO] finished tweaking git repo https://github.com/keitaroskmt/matroid_bandits [INFO] tweaked toml for git repo https://github.com/keitaroskmt/matroid_bandits written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/keitaroskmt/matroid_bandits already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 60bf834fdf2e1efbc699b0b473fbd26d89c202fc3f3be7d6950743f037f7d12d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "60bf834fdf2e1efbc699b0b473fbd26d89c202fc3f3be7d6950743f037f7d12d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "60bf834fdf2e1efbc699b0b473fbd26d89c202fc3f3be7d6950743f037f7d12d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60bf834fdf2e1efbc699b0b473fbd26d89c202fc3f3be7d6950743f037f7d12d", kill_on_drop: false }` [INFO] [stdout] 60bf834fdf2e1efbc699b0b473fbd26d89c202fc3f3be7d6950743f037f7d12d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c6ab93e6fd6d26e1f69930e7af40cf80f928f143ae4ef260f039f31696ace044 [INFO] running `Command { std: "docker" "start" "-a" "c6ab93e6fd6d26e1f69930e7af40cf80f928f143ae4ef260f039f31696ace044", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rand_distr v0.4.0 [INFO] [stderr] Compiling matroid_bandits v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Distribution`, `Normal` [INFO] [stdout] --> src/main.rs:5:18 [INFO] [stdout] | [INFO] [stdout] 5 | use rand_distr::{Normal, Distribution}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error_bound` [INFO] [stdout] --> src/solver.rs:169:56 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn exact_expgap(&mut self, S: &HashSet, error_bound: f64, delta: f64) -> HashSet { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_error_bound` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/graph.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn size(&mut self, x: usize) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `kruskal` [INFO] [stdout] --> src/graph.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn kruskal(n: usize, es: &mut Vec) -> f64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cost_diff` [INFO] [stdout] --> src/solver.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn cost_diff(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/main.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let S = (0..size).collect::>(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/main.rs:114:13 [INFO] [stdout] | [INFO] [stdout] 114 | let S = (0..size).collect::>(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/solver.rs:95:38 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn uniform_sample(&mut self, S: &HashSet, error_bound: f64, delta: f64) { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/solver.rs:105:31 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn naive_i(&mut self, S: &HashSet, error_bound: f64, delta: f64) -> HashSet { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/solver.rs:141:39 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn pac_sampleprune(&mut self, S: &HashSet, error_bound: f64, delta: f64) -> HashSet { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `F` should have a snake case name [INFO] [stdout] --> src/solver.rs:149:17 [INFO] [stdout] | [INFO] [stdout] 149 | let mut F = HashSet::new(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `I` should have a snake case name [INFO] [stdout] --> src/solver.rs:158:13 [INFO] [stdout] | [INFO] [stdout] 158 | let I = self.pac_sampleprune(&F, alpha, delta / 8.0); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/solver.rs:169:36 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn exact_expgap(&mut self, S: &HashSet, error_bound: f64, delta: f64) -> HashSet { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `I` should have a snake case name [INFO] [stdout] --> src/solver.rs:192:21 [INFO] [stdout] | [INFO] [stdout] 192 | let I = self.pac_sampleprune(&s_cur, eps_r, delta_r); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `U` should have a snake case name [INFO] [stdout] --> src/solver.rs:215:25 [INFO] [stdout] | [INFO] [stdout] 215 | let mut U = HashSet::new(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/solver.rs:267:29 [INFO] [stdout] | [INFO] [stdout] 267 | pub fn clucb(&mut self, S: &HashSet, delta: f64) -> HashSet { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.36s [INFO] running `Command { std: "docker" "inspect" "c6ab93e6fd6d26e1f69930e7af40cf80f928f143ae4ef260f039f31696ace044", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6ab93e6fd6d26e1f69930e7af40cf80f928f143ae4ef260f039f31696ace044", kill_on_drop: false }` [INFO] [stdout] c6ab93e6fd6d26e1f69930e7af40cf80f928f143ae4ef260f039f31696ace044 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d5291c57f10ed0d7eda6b3dfa1c18e44af54e8d4df10dace802ff3072d3672b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4d5291c57f10ed0d7eda6b3dfa1c18e44af54e8d4df10dace802ff3072d3672b", kill_on_drop: false }` [INFO] [stderr] Compiling matroid_bandits v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `error_bound` [INFO] [stdout] --> src/solver.rs:169:56 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn exact_expgap(&mut self, S: &HashSet, error_bound: f64, delta: f64) -> HashSet { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_error_bound` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:299:13 [INFO] [stdout] | [INFO] [stdout] 299 | for i in 0..num { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/graph.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn size(&mut self, x: usize) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/main.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let S = (0..size).collect::>(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/main.rs:114:13 [INFO] [stdout] | [INFO] [stdout] 114 | let S = (0..size).collect::>(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/solver.rs:95:38 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn uniform_sample(&mut self, S: &HashSet, error_bound: f64, delta: f64) { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/solver.rs:105:31 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn naive_i(&mut self, S: &HashSet, error_bound: f64, delta: f64) -> HashSet { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/solver.rs:141:39 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn pac_sampleprune(&mut self, S: &HashSet, error_bound: f64, delta: f64) -> HashSet { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `F` should have a snake case name [INFO] [stdout] --> src/solver.rs:149:17 [INFO] [stdout] | [INFO] [stdout] 149 | let mut F = HashSet::new(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `I` should have a snake case name [INFO] [stdout] --> src/solver.rs:158:13 [INFO] [stdout] | [INFO] [stdout] 158 | let I = self.pac_sampleprune(&F, alpha, delta / 8.0); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/solver.rs:169:36 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn exact_expgap(&mut self, S: &HashSet, error_bound: f64, delta: f64) -> HashSet { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `I` should have a snake case name [INFO] [stdout] --> src/solver.rs:192:21 [INFO] [stdout] | [INFO] [stdout] 192 | let I = self.pac_sampleprune(&s_cur, eps_r, delta_r); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `U` should have a snake case name [INFO] [stdout] --> src/solver.rs:215:25 [INFO] [stdout] | [INFO] [stdout] 215 | let mut U = HashSet::new(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/solver.rs:267:29 [INFO] [stdout] | [INFO] [stdout] 267 | pub fn clucb(&mut self, S: &HashSet, delta: f64) -> HashSet { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `F` should have a snake case name [INFO] [stdout] --> src/main.rs:218:17 [INFO] [stdout] | [INFO] [stdout] 218 | let mut F = Vec::new(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/main.rs:291:13 [INFO] [stdout] | [INFO] [stdout] 291 | let S = (0..size).collect::>(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/main.rs:349:13 [INFO] [stdout] | [INFO] [stdout] 349 | let S = (0..size).collect::>(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/main.rs:403:13 [INFO] [stdout] | [INFO] [stdout] 403 | let S = (0..size).collect::>(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `S` should have a snake case name [INFO] [stdout] --> src/main.rs:453:13 [INFO] [stdout] | [INFO] [stdout] 453 | let S = (0..size).collect::>(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.14s [INFO] running `Command { std: "docker" "inspect" "4d5291c57f10ed0d7eda6b3dfa1c18e44af54e8d4df10dace802ff3072d3672b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d5291c57f10ed0d7eda6b3dfa1c18e44af54e8d4df10dace802ff3072d3672b", kill_on_drop: false }` [INFO] [stdout] 4d5291c57f10ed0d7eda6b3dfa1c18e44af54e8d4df10dace802ff3072d3672b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5ad93f3dc027f34a7d18c639da719a907785ccfab90064417809396391ed5a65 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5ad93f3dc027f34a7d18c639da719a907785ccfab90064417809396391ed5a65", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `error_bound` [INFO] [stderr] --> src/solver.rs:169:56 [INFO] [stderr] | [INFO] [stderr] 169 | pub fn exact_expgap(&mut self, S: &HashSet, error_bound: f64, delta: f64) -> HashSet { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_error_bound` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:299:13 [INFO] [stderr] | [INFO] [stderr] 299 | for i in 0..num { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `size` [INFO] [stderr] --> src/graph.rs:51:12 [INFO] [stderr] | [INFO] [stderr] 51 | pub fn size(&mut self, x: usize) -> usize { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `S` should have a snake case name [INFO] [stderr] --> src/main.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | let S = (0..size).collect::>(); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `S` should have a snake case name [INFO] [stderr] --> src/main.rs:114:13 [INFO] [stderr] | [INFO] [stderr] 114 | let S = (0..size).collect::>(); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stderr] [INFO] [stderr] warning: variable `S` should have a snake case name [INFO] [stderr] --> src/solver.rs:95:38 [INFO] [stderr] | [INFO] [stderr] 95 | pub fn uniform_sample(&mut self, S: &HashSet, error_bound: f64, delta: f64) { [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stderr] [INFO] [stderr] warning: variable `S` should have a snake case name [INFO] [stderr] --> src/solver.rs:105:31 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn naive_i(&mut self, S: &HashSet, error_bound: f64, delta: f64) -> HashSet { [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stderr] [INFO] [stderr] warning: variable `S` should have a snake case name [INFO] [stderr] --> src/solver.rs:141:39 [INFO] [stderr] | [INFO] [stderr] 141 | pub fn pac_sampleprune(&mut self, S: &HashSet, error_bound: f64, delta: f64) -> HashSet { [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stderr] [INFO] [stderr] warning: variable `F` should have a snake case name [INFO] [stderr] --> src/solver.rs:149:17 [INFO] [stderr] | [INFO] [stderr] 149 | let mut F = HashSet::new(); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `f` [INFO] [stderr] [INFO] [stderr] warning: variable `I` should have a snake case name [INFO] [stderr] --> src/solver.rs:158:13 [INFO] [stderr] | [INFO] [stderr] 158 | let I = self.pac_sampleprune(&F, alpha, delta / 8.0); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `i` [INFO] [stderr] [INFO] [stderr] warning: variable `S` should have a snake case name [INFO] [stderr] --> src/solver.rs:169:36 [INFO] [stderr] | [INFO] [stderr] 169 | pub fn exact_expgap(&mut self, S: &HashSet, error_bound: f64, delta: f64) -> HashSet { [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stderr] [INFO] [stderr] warning: variable `I` should have a snake case name [INFO] [stderr] --> src/solver.rs:192:21 [INFO] [stderr] | [INFO] [stderr] 192 | let I = self.pac_sampleprune(&s_cur, eps_r, delta_r); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `i` [INFO] [stderr] [INFO] [stderr] warning: variable `U` should have a snake case name [INFO] [stderr] --> src/solver.rs:215:25 [INFO] [stderr] | [INFO] [stderr] 215 | let mut U = HashSet::new(); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `u` [INFO] [stderr] [INFO] [stderr] warning: variable `S` should have a snake case name [INFO] [stderr] --> src/solver.rs:267:29 [INFO] [stderr] | [INFO] [stderr] 267 | pub fn clucb(&mut self, S: &HashSet, delta: f64) -> HashSet { [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stderr] [INFO] [stderr] warning: variable `F` should have a snake case name [INFO] [stderr] --> src/main.rs:218:17 [INFO] [stderr] | [INFO] [stderr] 218 | let mut F = Vec::new(); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `f` [INFO] [stderr] [INFO] [stderr] warning: variable `S` should have a snake case name [INFO] [stderr] --> src/main.rs:291:13 [INFO] [stderr] | [INFO] [stderr] 291 | let S = (0..size).collect::>(); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stderr] [INFO] [stderr] warning: variable `S` should have a snake case name [INFO] [stderr] --> src/main.rs:349:13 [INFO] [stderr] | [INFO] [stderr] 349 | let S = (0..size).collect::>(); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stderr] [INFO] [stderr] warning: variable `S` should have a snake case name [INFO] [stderr] --> src/main.rs:403:13 [INFO] [stderr] | [INFO] [stderr] 403 | let S = (0..size).collect::>(); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stderr] [INFO] [stderr] warning: variable `S` should have a snake case name [INFO] [stderr] --> src/main.rs:453:13 [INFO] [stderr] | [INFO] [stderr] 453 | let S = (0..size).collect::>(); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stderr] [INFO] [stderr] warning: `matroid_bandits` (bin "matroid_bandits" test) generated 19 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/matroid_bandits-fd0ca0057b41a98f) [INFO] [stdout] running 10 tests [INFO] [stdout] test tests::normal ... ok [INFO] [stdout] test tests::test_struct ... ok [INFO] [stdout] test tests::es_sort ... ok [INFO] [stdout] test tests::test_sample ... ok [INFO] [stdout] test tests::test_rank ... ok [INFO] [stdout] test tests::test_kruskal ... FAILED [INFO] [stdout] test tests::test_clucb ... ok [INFO] [stdout] test tests::test_pac_sampleprune ... ok [INFO] [stdout] test tests::test_sample_i ... ok [INFO] [stderr] error: test failed, to rerun pass '--bin matroid_bandits' [INFO] [stdout] test tests::test_exact_expgap ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::test_kruskal stdout ---- [INFO] [stdout] thread 'tests::test_kruskal' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `15.0`, [INFO] [stdout] right: `6.0`', src/main.rs:203:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x560e19e16df0 - std::backtrace_rs::backtrace::libunwind::trace::ha0ad43e8a952bfe7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x560e19e16df0 - std::backtrace_rs::backtrace::trace_unsynchronized::h6830419c0c4130dc [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x560e19e16df0 - std::sys_common::backtrace::_print_fmt::h8f3516631ffa1ef5 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x560e19e16df0 - ::fmt::he1640d5f0d93f618 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x560e19e395bc - core::fmt::write::h88012e1f01caeebf [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x560e19e13ea5 - std::io::Write::write_fmt::h7728c39ea5632753 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/io/mod.rs:1665:15 [INFO] [stdout] 6: 0x560e19e18f5b - std::sys_common::backtrace::_print::ha1f00492f406a015 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x560e19e18f5b - std::sys_common::backtrace::print::hd54561b13feb6af3 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x560e19e18f5b - std::panicking::default_hook::{{closure}}::h84fe124cd0864662 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x560e19e18a6c - std::panicking::default_hook::h5a8e74a76ce290a7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x560e19e19624 - std::panicking::rust_panic_with_hook::h67c812a4fe9d4c91 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x560e19e19107 - std::panicking::begin_panic_handler::{{closure}}::h33f9c1b96af300d7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x560e19e172ec - std::sys_common::backtrace::__rust_end_short_backtrace::h51bae64be5921f0e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x560e19e19069 - rust_begin_unwind [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x560e19d50851 - core::panicking::panic_fmt::h12a3a3c256485fca [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x560e19e37ed8 - core::panicking::assert_failed_inner::hd10540743cd0e11a [INFO] [stdout] 16: 0x560e19d8362a - core::panicking::assert_failed::hf93ab8d337a8f12e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:117:5 [INFO] [stdout] 17: 0x560e19d7d2e7 - matroid_bandits::tests::test_kruskal::he491efd8ff5eb6c9 [INFO] [stdout] at /opt/rustwide/workdir/src/main.rs:203:9 [INFO] [stdout] 18: 0x560e19d7ceda - matroid_bandits::tests::test_kruskal::{{closure}}::h757dccd5f38b6ca3 [INFO] [stdout] at /opt/rustwide/workdir/src/main.rs:185:5 [INFO] [stdout] 19: 0x560e19d7a3fe - core::ops::function::FnOnce::call_once::hb6a04dba6c7add84 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x560e19dbc333 - core::ops::function::FnOnce::call_once::h5aba9a5d361d6c79 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x560e19dbc333 - test::__rust_begin_short_backtrace::h705bb53b2b1d45e6 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:578:5 [INFO] [stdout] 22: 0x560e19dbade8 - as core::ops::function::FnOnce>::call_once::ha20f614d7c0b2b6d [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 23: 0x560e19dbade8 - as core::ops::function::FnOnce<()>>::call_once::hf02f19eeb64ceabd [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:347:9 [INFO] [stdout] 24: 0x560e19dbade8 - std::panicking::try::do_call::h4bfab65eb3b4b036 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x560e19dbade8 - std::panicking::try::h6613a46a6d2b6f88 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x560e19dbade8 - std::panic::catch_unwind::h9f07b17b60991273 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x560e19dbade8 - test::run_test_in_process::hc38797eecf07854f [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:601:18 [INFO] [stdout] 28: 0x560e19dbade8 - test::run_test::run_test_inner::{{closure}}::hac209db8bce0fd77 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:493:39 [INFO] [stdout] 29: 0x560e19d8957d - test::run_test::run_test_inner::{{closure}}::h4aefdd4b4a423e20 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:520:37 [INFO] [stdout] 30: 0x560e19d8957d - std::sys_common::backtrace::__rust_begin_short_backtrace::h652c9e2663704700 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x560e19d8dd58 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hd84fd5e0b5b1f45f [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/thread/mod.rs:476:17 [INFO] [stdout] 32: 0x560e19d8dd58 - as core::ops::function::FnOnce<()>>::call_once::he23556962a2ae14b [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:347:9 [INFO] [stdout] 33: 0x560e19d8dd58 - std::panicking::try::do_call::h67d4f93e1fbaa5f9 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 34: 0x560e19d8dd58 - std::panicking::try::h396886e678db815e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 35: 0x560e19d8dd58 - std::panic::catch_unwind::hc1d64dcecf0a00e0 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stdout] 36: 0x560e19d8dd58 - std::thread::Builder::spawn_unchecked::{{closure}}::hc2644cf33cb61d8e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/thread/mod.rs:475:30 [INFO] [stdout] 37: 0x560e19d8dd58 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4473c2c77b66963f [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x560e19e1e197 - as core::ops::function::FnOnce>::call_once::h6bff7798948b1075 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 39: 0x560e19e1e197 - as core::ops::function::FnOnce>::call_once::hc2d25ac38f6b2342 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 40: 0x560e19e1e197 - std::sys::unix::thread::Thread::new::thread_start::hbba5bc368baac205 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys/unix/thread.rs:74:17 [INFO] [stdout] 41: 0x7f6911bfa609 - start_thread [INFO] [stdout] 42: 0x7f6911e85293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::test_kruskal [INFO] [stdout] [INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.21s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5ad93f3dc027f34a7d18c639da719a907785ccfab90064417809396391ed5a65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ad93f3dc027f34a7d18c639da719a907785ccfab90064417809396391ed5a65", kill_on_drop: false }` [INFO] [stdout] 5ad93f3dc027f34a7d18c639da719a907785ccfab90064417809396391ed5a65