[INFO] fetching crate wavelet-matrix 0.4.7... [INFO] checking wavelet-matrix-0.4.7 against master#b359ccf1b0b7b2d2c1c4932344b806e68bd053a9 for pr-105483 [INFO] extracting crate wavelet-matrix 0.4.7 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate wavelet-matrix 0.4.7 on toolchain b359ccf1b0b7b2d2c1c4932344b806e68bd053a9 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate wavelet-matrix 0.4.7 [INFO] finished tweaking crates.io crate wavelet-matrix 0.4.7 [INFO] tweaked toml for crates.io crate wavelet-matrix 0.4.7 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded easybench v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 44e0aacfca963b9ee78fbc4e23b9a64d5c494a476b98328b1a3ad50a53a57fca [INFO] running `Command { std: "docker" "start" "-a" "44e0aacfca963b9ee78fbc4e23b9a64d5c494a476b98328b1a3ad50a53a57fca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44e0aacfca963b9ee78fbc4e23b9a64d5c494a476b98328b1a3ad50a53a57fca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44e0aacfca963b9ee78fbc4e23b9a64d5c494a476b98328b1a3ad50a53a57fca", kill_on_drop: false }` [INFO] [stdout] 44e0aacfca963b9ee78fbc4e23b9a64d5c494a476b98328b1a3ad50a53a57fca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81e40fcca838259c63d256d3a7cf0ce6cecb0c2859802eb15784ffe13f51c6d2 [INFO] running `Command { std: "docker" "start" "-a" "81e40fcca838259c63d256d3a7cf0ce6cecb0c2859802eb15784ffe13f51c6d2", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking easybench v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking succinct v0.4.4 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking wavelet-matrix v0.4.7 (/opt/rustwide/workdir) [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stdout] warning: unused variable: `limit_secs` [INFO] [stdout] --> benches/easybench.rs:57:55 [INFO] [stdout] | [INFO] [stdout] 57 | fn overall_helper(num: usize, desc: &str, upper: u64, limit_secs: u64) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_limit_secs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `errorpct` is never read [INFO] [stdout] --> benches/easybench.rs:332:13 [INFO] [stdout] | [INFO] [stdout] 332 | let mut errorpct = 0.0; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/easybench.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let mut rng = rand::weak_rng(); [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: function `statstical_helper` is never used [INFO] [stdout] --> benches/easybench.rs:264:4 [INFO] [stdout] | [INFO] [stdout] 264 | fn statstical_helper(num: usize, lower: u64, upper: u64, k: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sum_uniform_find_sufficient_k` is never used [INFO] [stdout] --> benches/easybench.rs:330:4 [INFO] [stdout] | [INFO] [stdout] 330 | fn sum_uniform_find_sufficient_k(num: usize, lower: u64, upper: u64, accuracy_pct: f64) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `average` is never used [INFO] [stdout] --> benches/easybench.rs:373:4 [INFO] [stdout] | [INFO] [stdout] 373 | fn average(r: &std::ops::Range) -> u64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `error_pct` is never used [INFO] [stdout] --> benches/easybench.rs:377:4 [INFO] [stdout] | [INFO] [stdout] 377 | fn error_pct(computed: u64, actual: u64) -> f64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `statistical_performance` is never used [INFO] [stdout] --> benches/easybench.rs:392:4 [INFO] [stdout] | [INFO] [stdout] 392 | fn statistical_performance() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `statistical_sufficient_k` is never used [INFO] [stdout] --> benches/easybench.rs:421:4 [INFO] [stdout] | [INFO] [stdout] 421 | fn statistical_sufficient_k() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.92s [INFO] running `Command { std: "docker" "inspect" "81e40fcca838259c63d256d3a7cf0ce6cecb0c2859802eb15784ffe13f51c6d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81e40fcca838259c63d256d3a7cf0ce6cecb0c2859802eb15784ffe13f51c6d2", kill_on_drop: false }` [INFO] [stdout] 81e40fcca838259c63d256d3a7cf0ce6cecb0c2859802eb15784ffe13f51c6d2