[INFO] fetching crate ratel_bandit 0.2.3... [INFO] checking ratel_bandit-0.2.3 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate ratel_bandit 0.2.3 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate ratel_bandit 0.2.3 [INFO] finished tweaking crates.io crate ratel_bandit 0.2.3 [INFO] tweaked toml for crates.io crate ratel_bandit 0.2.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ratel_bandit 0.2.3 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 44 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] [stderr] Adding rand_distr v0.4.3 (available: v0.5.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac233d792c57b3da4a49cd2f56611e46b94d1ffcbc11f1b59091793c196178e6 [INFO] running `Command { std: "docker" "start" "-a" "ac233d792c57b3da4a49cd2f56611e46b94d1ffcbc11f1b59091793c196178e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac233d792c57b3da4a49cd2f56611e46b94d1ffcbc11f1b59091793c196178e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac233d792c57b3da4a49cd2f56611e46b94d1ffcbc11f1b59091793c196178e6", kill_on_drop: false }` [INFO] [stdout] ac233d792c57b3da4a49cd2f56611e46b94d1ffcbc11f1b59091793c196178e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 788333d1393c0f8b7e2e4e9e0be6a5b19221228b5735110b8d939498a44b7611 [INFO] running `Command { std: "docker" "start" "-a" "788333d1393c0f8b7e2e4e9e0be6a5b19221228b5735110b8d939498a44b7611", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling libm v0.2.15 [INFO] [stderr] Checking colorchoice v1.0.4 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Checking anstyle-query v1.1.4 [INFO] [stderr] Checking anstyle v1.0.11 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Checking clap_lex v0.7.5 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking assert_approx_eq v1.1.0 [INFO] [stderr] Checking anstyle-parse v0.2.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking anstream v0.6.20 [INFO] [stderr] Checking clap_builder v4.5.44 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking clap v4.5.45 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking ratel_bandit v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ConstantStepper` [INFO] [stdout] --> src/util/mod.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | pub use stepper::{ConstantStepper, HarmonicStepper, Stepper}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ConstantStepper` [INFO] [stdout] --> src/util/mod.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | pub use stepper::{ConstantStepper, HarmonicStepper, Stepper}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `arm_total` is never used [INFO] [stdout] --> src/agent/optimistic.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 67 | impl OptimisticAgent { [INFO] [stdout] | -------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 82 | fn arm_total(&self) -> &Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/bandit/gamma.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 25 | impl GammaBandit { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | fn new(alphas: Vec, thetas: Vec) -> GammaBandit { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/bandit/gaussian.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 25 | impl GaussianBandit { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | fn new(means: Vec, stds: Vec) -> GaussianBandit { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/bandit/log_normal.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 25 | impl<'a> LogNormalBandit<'a> { [INFO] [stdout] | ---------------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | fn new(mus: &'a Vec, sigmas: &'a Vec) -> LogNormalBandit<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AggregateCounter` is never constructed [INFO] [stdout] --> src/util/counter/aggregate_counter.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct AggregateCounter { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `average`, `new`, and `total` are never used [INFO] [stdout] --> src/util/counter/aggregate_counter.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl AggregateCounter { [INFO] [stdout] | ---------------------------------------------- associated items in this implementation [INFO] [stdout] 16 | /// Computes average of values passed to counter. [INFO] [stdout] 17 | fn average(&self) -> f64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn new() -> AggregateCounter { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn total(&self) -> &T { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BaseCounter` is never constructed [INFO] [stdout] --> src/util/counter/base_counter.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct BaseCounter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `increment` are never used [INFO] [stdout] --> src/util/counter/base_counter.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl BaseCounter { [INFO] [stdout] | --------------------------------------- associated items in this implementation [INFO] [stdout] 14 | /// Initializes a new base counter with initial value 0. [INFO] [stdout] 15 | fn new() -> BaseCounter { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | fn increment(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ConstantStepper` is never constructed [INFO] [stdout] --> src/util/stepper/constant.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct ConstantStepper { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `update` are never used [INFO] [stdout] --> src/util/stepper/constant.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl ConstantStepper { [INFO] [stdout] | -------------------- associated items in this implementation [INFO] [stdout] 10 | /// Initialize stepper with positive value. [INFO] [stdout] 11 | fn new(step_size: f64) -> ConstantStepper { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn update(&mut self, step_size: f64) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `epsilon` [INFO] [stdout] --> src/agent/epsilon_greedy.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | let epsilon: EpsilonGreedyAgent = [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `epsilon` [INFO] [stdout] --> src/agent/epsilon_greedy.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | let epsilon: EpsilonGreedyAgent = [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/agent/greedy.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let mut stepper = HarmonicStepper::new(1, Q_INIT.len()); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/agent/optimistic.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | let mut stepper = HarmonicStepper::new(1, Q_INIT.len()); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/agent/optimistic.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | let mut stepper = HarmonicStepper::new(1, Q_INIT.len()); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/agent/optimistic.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | let mut stepper = HarmonicStepper::new(1, Q_INIT.len()); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/agent/optimistic.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | let mut stepper = HarmonicStepper::new(1, Q_INIT.len()); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `arm_total` is never used [INFO] [stdout] --> src/agent/optimistic.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 67 | impl OptimisticAgent { [INFO] [stdout] | -------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 82 | fn arm_total(&self) -> &Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ConstantStepper` is never constructed [INFO] [stdout] --> src/util/stepper/constant.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct ConstantStepper { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `update` are never used [INFO] [stdout] --> src/util/stepper/constant.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl ConstantStepper { [INFO] [stdout] | -------------------- associated items in this implementation [INFO] [stdout] 10 | /// Initialize stepper with positive value. [INFO] [stdout] 11 | fn new(step_size: f64) -> ConstantStepper { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn update(&mut self, step_size: f64) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q_INIT` should have a snake case name [INFO] [stdout] --> src/agent/epsilon_greedy.rs:94:13 [INFO] [stdout] | [INFO] [stdout] 94 | let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37]; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `q_init` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q_INIT` should have a snake case name [INFO] [stdout] --> src/agent/epsilon_greedy.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37]; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `q_init` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q_INIT` should have a snake case name [INFO] [stdout] --> src/agent/epsilon_greedy.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37]; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `q_init` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q_INIT` should have a snake case name [INFO] [stdout] --> src/agent/epsilon_greedy.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37]; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `q_init` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q_INIT` should have a snake case name [INFO] [stdout] --> src/agent/epsilon_greedy.rs:134:13 [INFO] [stdout] | [INFO] [stdout] 134 | let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37]; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `q_init` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q_INIT` should have a snake case name [INFO] [stdout] --> src/agent/greedy.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37]; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `q_init` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q_INIT` should have a snake case name [INFO] [stdout] --> src/agent/greedy.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37]; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `q_init` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q_INIT` should have a snake case name [INFO] [stdout] --> src/agent/greedy.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 85 | let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37]; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `q_init` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q_INIT` should have a snake case name [INFO] [stdout] --> src/agent/optimistic.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37]; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `q_init` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q_INIT` should have a snake case name [INFO] [stdout] --> src/agent/optimistic.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37]; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `q_init` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q_INIT` should have a snake case name [INFO] [stdout] --> src/agent/optimistic.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37]; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `q_init` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Q_INIT` should have a snake case name [INFO] [stdout] --> src/agent/optimistic.rs:126:13 [INFO] [stdout] | [INFO] [stdout] 126 | let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37]; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `q_init` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.69s [INFO] running `Command { std: "docker" "inspect" "788333d1393c0f8b7e2e4e9e0be6a5b19221228b5735110b8d939498a44b7611", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "788333d1393c0f8b7e2e4e9e0be6a5b19221228b5735110b8d939498a44b7611", kill_on_drop: false }` [INFO] [stdout] 788333d1393c0f8b7e2e4e9e0be6a5b19221228b5735110b8d939498a44b7611