[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 1.85.0 for beta-1.86-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeitaroskmt%2Fmatroid_bandits" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/keitaroskmt/matroid_bandits on toolchain 1.85.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "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-1-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e9e510a6504f56514809bcf46d0b223b4e13d0a515687939c12e4536efffbcd1 [INFO] running `Command { std: "docker" "start" "-a" "e9e510a6504f56514809bcf46d0b223b4e13d0a515687939c12e4536efffbcd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e9e510a6504f56514809bcf46d0b223b4e13d0a515687939c12e4536efffbcd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9e510a6504f56514809bcf46d0b223b4e13d0a515687939c12e4536efffbcd1", kill_on_drop: false }` [INFO] [stdout] e9e510a6504f56514809bcf46d0b223b4e13d0a515687939c12e4536efffbcd1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d1ba46b70ff35bc5914a3068bb46c6568bf3b64f406dbcedb6e1c4225441fe93 [INFO] running `Command { std: "docker" "start" "-a" "d1ba46b70ff35bc5914a3068bb46c6568bf3b64f406dbcedb6e1c4225441fe93", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [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` and `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: method `size` is never used [INFO] [stdout] --> src/graph.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl UnionFind { [INFO] [stdout] | -------------- method in this implementation [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 `kruskal` is never used [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: method `cost_diff` is never used [INFO] [stdout] --> src/solver.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 38 | impl Solver { [INFO] [stdout] | ----------- method in this implementation [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.11s [INFO] running `Command { std: "docker" "inspect" "d1ba46b70ff35bc5914a3068bb46c6568bf3b64f406dbcedb6e1c4225441fe93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1ba46b70ff35bc5914a3068bb46c6568bf3b64f406dbcedb6e1c4225441fe93", kill_on_drop: false }` [INFO] [stdout] d1ba46b70ff35bc5914a3068bb46c6568bf3b64f406dbcedb6e1c4225441fe93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 71068edd0efcad20c6160a7686b1f9915245b660cd4e2d92ebf2ddbb465c8ae7 [INFO] running `Command { std: "docker" "start" "-a" "71068edd0efcad20c6160a7686b1f9915245b660cd4e2d92ebf2ddbb465c8ae7", 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: method `size` is never used [INFO] [stdout] --> src/graph.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl UnionFind { [INFO] [stdout] | -------------- method in this implementation [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s [INFO] running `Command { std: "docker" "inspect" "71068edd0efcad20c6160a7686b1f9915245b660cd4e2d92ebf2ddbb465c8ae7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71068edd0efcad20c6160a7686b1f9915245b660cd4e2d92ebf2ddbb465c8ae7", kill_on_drop: false }` [INFO] [stdout] 71068edd0efcad20c6160a7686b1f9915245b660cd4e2d92ebf2ddbb465c8ae7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 040c0ffbfbbe4ba7904e3d3e1e61069a4efc547da802b9ff19b8586740a96e56 [INFO] running `Command { std: "docker" "start" "-a" "040c0ffbfbbe4ba7904e3d3e1e61069a4efc547da802b9ff19b8586740a96e56", 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: method `size` is never used [INFO] [stderr] --> src/graph.rs:51:12 [INFO] [stderr] | [INFO] [stderr] 10 | impl UnionFind { [INFO] [stderr] | -------------- method in this implementation [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` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/matroid_bandits-ca34b2ffdb1a4cf9) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test tests::normal ... 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_struct ... 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] [stdout] test tests::test_exact_expgap ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::test_kruskal stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'tests::test_kruskal' panicked at src/main.rs:203:9: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: 15.0 [INFO] [stdout] right: 6.0 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5fb14e95e15a - std::backtrace_rs::backtrace::libunwind::trace::h88deb10bd0145eb8 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x5fb14e95e15a - std::backtrace_rs::backtrace::trace_unsynchronized::he1036f5481c14dff [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5fb14e95e15a - std::sys::backtrace::_print_fmt::hecc345b6e70c4b20 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5fb14e95e15a - ::fmt::he089f96442833f67 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5fb14e983f03 - core::fmt::rt::Argument::fmt::h1f77cded99c71a14 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x5fb14e983f03 - core::fmt::write::h2f210ed4c94745cb [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/fmt/mod.rs:1440:21 [INFO] [stdout] 6: 0x5fb14e95b273 - std::io::Write::write_fmt::he723b56f7e0bd522 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/io/mod.rs:1887:15 [INFO] [stdout] 7: 0x5fb14e95dfa2 - std::sys::backtrace::BacktraceLock::print::h810fbd31421329e6 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x5fb14e95f690 - std::panicking::default_hook::{{closure}}::hbaad47ed9dc6356d [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x5fb14e95f42d - std::panicking::default_hook::h24e207139139d40a [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:319:9 [INFO] [stdout] 10: 0x5fb14e8f14b3 - as core::ops::function::Fn>::call::h63353c459bb27956 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 11: 0x5fb14e8f14b3 - test::test_main::{{closure}}::hd5af4d6c4e32fe08 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:134:21 [INFO] [stdout] 12: 0x5fb14e95fec3 - as core::ops::function::Fn>::call::h3af32c23caf5c679 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 13: 0x5fb14e95fec3 - std::panicking::rust_panic_with_hook::ha9131beeb2ddc506 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:836:13 [INFO] [stdout] 14: 0x5fb14e95fb9a - std::panicking::begin_panic_handler::{{closure}}::h1bba0eaeb6da506f [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:701:13 [INFO] [stdout] 15: 0x5fb14e95e659 - std::sys::backtrace::__rust_end_short_backtrace::h1d1ca3eade483f4c [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x5fb14e95f82d - rust_begin_unwind [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:692:5 [INFO] [stdout] 17: 0x5fb14e879200 - core::panicking::panic_fmt::h896a0727a1a943f9 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x5fb14e8795f2 - core::panicking::assert_failed_inner::ha51bf8fa7906dee4 [INFO] [stdout] 19: 0x5fb14e8afa9d - core::panicking::assert_failed::h4d2134c98ae33ffb [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panicking.rs:364:5 [INFO] [stdout] 20: 0x5fb14e89f9b8 - matroid_bandits::tests::test_kruskal::h95747a2d93cb15ed [INFO] [stdout] at /opt/rustwide/workdir/src/main.rs:203:9 [INFO] [stdout] 21: 0x5fb14e89f5d7 - matroid_bandits::tests::test_kruskal::{{closure}}::hf7d09d028ce0f263 [INFO] [stdout] at /opt/rustwide/workdir/src/main.rs:185:22 [INFO] [stdout] 22: 0x5fb14e8ae426 - core::ops::function::FnOnce::call_once::h7cb98d99c048ac1b [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5fb14e8f6c5b - core::ops::function::FnOnce::call_once::h8acc80b5a33ff319 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5fb14e8f6c5b - test::__rust_begin_short_backtrace::h52b6da716ad42b7d [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:632:18 [INFO] [stdout] 25: 0x5fb14e8f5b93 - test::run_test_in_process::{{closure}}::h2580047890abbefe [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:655:60 [INFO] [stdout] 26: 0x5fb14e8f5b93 - as core::ops::function::FnOnce<()>>::call_once::h936f8c89d0a99c40 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x5fb14e8f5b93 - std::panicking::try::do_call::h868682cc368697f9 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:584:40 [INFO] [stdout] 28: 0x5fb14e8f5b93 - std::panicking::try::h0356ffc38cbb5501 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:547:19 [INFO] [stdout] 29: 0x5fb14e8f5b93 - std::panic::catch_unwind::h74edf102a3082536 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x5fb14e8f5b93 - test::run_test_in_process::hc27d69576b7224e4 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:655:27 [INFO] [stdout] 31: 0x5fb14e8f5b93 - test::run_test::{{closure}}::h9f3bfaf910429adb [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:576:43 [INFO] [stdout] 32: 0x5fb14e8b98c5 - test::run_test::{{closure}}::h3d537cdce8ec5816 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:606:41 [INFO] [stdout] 33: 0x5fb14e8b98c5 - std::sys::backtrace::__rust_begin_short_backtrace::hb51d9a6c67ec382d [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x5fb14e8bd306 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h5738f3abb9603fe6 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/thread/mod.rs:564:17 [INFO] [stdout] 35: 0x5fb14e8bd306 - as core::ops::function::FnOnce<()>>::call_once::h5e9f4b56e45e8108 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x5fb14e8bd306 - std::panicking::try::do_call::ha36db853b2f34e23 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:584:40 [INFO] [stdout] 37: 0x5fb14e8bd306 - std::panicking::try::h57e1aa33a0efb1be [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:547:19 [INFO] [stdout] 38: 0x5fb14e8bd306 - std::panic::catch_unwind::hdb71a6103024936e [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x5fb14e8bd306 - std::thread::Builder::spawn_unchecked_::{{closure}}::h8caa22218f423ab1 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/thread/mod.rs:562:30 [INFO] [stdout] 40: 0x5fb14e8bd306 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb3b44780e9c053e5 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x5fb14e963d2b - as core::ops::function::FnOnce>::call_once::h2649f14f1b1c150d [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 42: 0x5fb14e963d2b - as core::ops::function::FnOnce>::call_once::hb2ade58cb34e1bc4 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 43: 0x5fb14e963d2b - std::sys::pal::unix::thread::Thread::new::thread_start::ha07e360225fa3528 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x7abb85b65ac3 - [INFO] [stdout] 45: 0x7abb85bf6a04 - clone [INFO] [stdout] 46: 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 10.06s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin matroid_bandits` [INFO] running `Command { std: "docker" "inspect" "040c0ffbfbbe4ba7904e3d3e1e61069a4efc547da802b9ff19b8586740a96e56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "040c0ffbfbbe4ba7904e3d3e1e61069a4efc547da802b9ff19b8586740a96e56", kill_on_drop: false }` [INFO] [stdout] 040c0ffbfbbe4ba7904e3d3e1e61069a4efc547da802b9ff19b8586740a96e56