[INFO] fetching crate wavelet-matrix 0.4.7... [INFO] checking wavelet-matrix-0.4.7 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] extracting crate wavelet-matrix 0.4.7 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate wavelet-matrix 0.4.7 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 404cbfa1fc63445c51861d8cad297b82baedccebec7b6265192ba1d38ca29f67 [INFO] running `Command { std: "docker" "start" "-a" "404cbfa1fc63445c51861d8cad297b82baedccebec7b6265192ba1d38ca29f67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "404cbfa1fc63445c51861d8cad297b82baedccebec7b6265192ba1d38ca29f67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "404cbfa1fc63445c51861d8cad297b82baedccebec7b6265192ba1d38ca29f67", kill_on_drop: false }` [INFO] [stdout] 404cbfa1fc63445c51861d8cad297b82baedccebec7b6265192ba1d38ca29f67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0060e2e156cd183b5a44d2c5cfc0cadbfe5713822dea159598f4f4bd72114fe8 [INFO] running `Command { std: "docker" "start" "-a" "0060e2e156cd183b5a44d2c5cfc0cadbfe5713822dea159598f4f4bd72114fe8", kill_on_drop: false }` [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking easybench v0.1.4 [INFO] [stderr] Checking succinct v0.4.4 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-iter v0.1.42 [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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [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 is never used: `statstical_helper` [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 is never used: `sum_uniform_find_sufficient_k` [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 is never used: `average` [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 is never used: `error_pct` [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 is never used: `statistical_performance` [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 is never used: `statistical_sufficient_k` [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 2.12s [INFO] running `Command { std: "docker" "inspect" "0060e2e156cd183b5a44d2c5cfc0cadbfe5713822dea159598f4f4bd72114fe8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0060e2e156cd183b5a44d2c5cfc0cadbfe5713822dea159598f4f4bd72114fe8", kill_on_drop: false }` [INFO] [stdout] 0060e2e156cd183b5a44d2c5cfc0cadbfe5713822dea159598f4f4bd72114fe8