[INFO] cloning repository https://github.com/sts10/lemire_nearly_divisionless_random
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sts10/lemire_nearly_divisionless_random" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Flemire_nearly_divisionless_random", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Flemire_nearly_divisionless_random'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4930007b4242e4e27ef333c88ef5855aeb05a7f5
[INFO] checking sts10/lemire_nearly_divisionless_random against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Flemire_nearly_divisionless_random" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sts10/lemire_nearly_divisionless_random
[INFO] finished tweaking git repo https://github.com/sts10/lemire_nearly_divisionless_random
[INFO] tweaked toml for git repo https://github.com/sts10/lemire_nearly_divisionless_random written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sts10/lemire_nearly_divisionless_random on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sts10/lemire_nearly_divisionless_random 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4397d12da65087745e72a4bc7598bb8f58eaffb0fbf0da622787f27b1e377a2
[INFO] running `Command { std: "docker" "start" "-a" "c4397d12da65087745e72a4bc7598bb8f58eaffb0fbf0da622787f27b1e377a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4397d12da65087745e72a4bc7598bb8f58eaffb0fbf0da622787f27b1e377a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4397d12da65087745e72a4bc7598bb8f58eaffb0fbf0da622787f27b1e377a2", kill_on_drop: false }`
[INFO] [stdout] c4397d12da65087745e72a4bc7598bb8f58eaffb0fbf0da622787f27b1e377a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b67b17556c1dcc2888c327078042ade14a2e570798d45985f5a44c0be9c0ff5
[INFO] running `Command { std: "docker" "start" "-a" "3b67b17556c1dcc2888c327078042ade14a2e570798d45985f5a44c0be9c0ff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking lemire v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> benches/shortcut_benches.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |         b.iter(|| (u8::MAX - (random_s + 1) % random_s))
[INFO] [stdout]    |                   ^                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -         b.iter(|| (u8::MAX - (random_s + 1) % random_s))
[INFO] [stdout] 17 +         b.iter(|| u8::MAX - (random_s + 1) % random_s)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> benches/shortcut_benches.rs:28:55
[INFO] [stdout]    |
[INFO] [stdout] 28 |     group.bench_function("traditional", |b| b.iter(|| (random_m / 256)));
[INFO] [stdout]    |                                                       ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -     group.bench_function("traditional", |b| b.iter(|| (random_m / 256)));
[INFO] [stdout] 28 +     group.bench_function("traditional", |b| b.iter(|| random_m / 256));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> benches/shortcut_benches.rs:29:52
[INFO] [stdout]    |
[INFO] [stdout] 29 |     group.bench_function("shortcut", |b| b.iter(|| (random_m >> 8)));
[INFO] [stdout]    |                                                    ^             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -     group.bench_function("shortcut", |b| b.iter(|| (random_m >> 8)));
[INFO] [stdout] 29 +     group.bench_function("shortcut", |b| b.iter(|| random_m >> 8));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> benches/shortcut_benches.rs:39:55
[INFO] [stdout]    |
[INFO] [stdout] 39 |     group.bench_function("traditional", |b| b.iter(|| (random_m % 256)));
[INFO] [stdout]    |                                                       ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -     group.bench_function("traditional", |b| b.iter(|| (random_m % 256)));
[INFO] [stdout] 39 +     group.bench_function("traditional", |b| b.iter(|| random_m % 256));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> benches/shortcut_benches.rs:40:52
[INFO] [stdout]    |
[INFO] [stdout] 40 |     group.bench_function("shortcut", |b| b.iter(|| (random_m as u8)));
[INFO] [stdout]    |                                                    ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -     group.bench_function("shortcut", |b| b.iter(|| (random_m as u8)));
[INFO] [stdout] 40 +     group.bench_function("shortcut", |b| b.iter(|| random_m as u8));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> benches/../src/readable.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> benches/../src/readable.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | mod helper_tests {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_distribution` is never used
[INFO] [stdout]   --> benches/../src/readable.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn make_distribution() -> HashMap<usize, usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `makes_counts_vector` is never used
[INFO] [stdout]    --> benches/../src/readable.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn makes_counts_vector(counts_hashmap: HashMap<usize, usize>) -> Vec<(usize, usize)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_distribution_perfectly_even` is never used
[INFO] [stdout]    --> benches/../src/readable.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn is_distribution_perfectly_even(count_vec: Vec<(usize, usize)>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3b67b17556c1dcc2888c327078042ade14a2e570798d45985f5a44c0be9c0ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b67b17556c1dcc2888c327078042ade14a2e570798d45985f5a44c0be9c0ff5", kill_on_drop: false }`
[INFO] [stdout] 3b67b17556c1dcc2888c327078042ade14a2e570798d45985f5a44c0be9c0ff5