[INFO] cloning repository https://github.com/cslab-ntua/etutils-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cslab-ntua/etutils-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcslab-ntua%2Fetutils-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcslab-ntua%2Fetutils-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 451a6eb7c9087c548a22debb586a15788ea4ed71
[INFO] checking cslab-ntua/etutils-rs against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcslab-ntua%2Fetutils-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cslab-ntua/etutils-rs
[INFO] finished tweaking git repo https://github.com/cslab-ntua/etutils-rs
[INFO] tweaked toml for git repo https://github.com/cslab-ntua/etutils-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cslab-ntua/etutils-rs on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cslab-ntua/etutils-rs 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `leshy_alt` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-5-tc1/source/target/.../leshy_alt
[INFO] [stderr]    |                                                  ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `leshy-alt`, convert `bin.name`
[INFO] [stderr]   --> Cargo.toml:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 - name = "leshy_alt"
[INFO] [stderr] 58 + name = "leshy-alt"
[INFO] [stderr]    |
[INFO] [stderr] warning: binary `leshy_greedy` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-5-tc1/source/target/.../leshy_greedy
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `leshy-greedy`, convert `bin.name`
[INFO] [stderr]   --> Cargo.toml:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 - name = "leshy_greedy"
[INFO] [stderr] 54 + name = "leshy-greedy"
[INFO] [stderr]    |
[INFO] [stderr] warning: binary `online_leshy` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-5-tc1/source/target/.../online_leshy
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `online-leshy`, convert `bin.name`
[INFO] [stderr]   --> Cargo.toml:50:8
[INFO] [stderr]    |
[INFO] [stderr] 50 - name = "online_leshy"
[INFO] [stderr] 50 + name = "online-leshy"
[INFO] [stderr]    |
[INFO] [stderr] warning: `etutils-rs` (manifest) generated 3 warnings
[INFO] [stderr]     Updating git repository `https://github.com/cslab-ntua/et-pagemap-rs.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.25.0
[INFO] [stderr]   Downloaded vsock v0.3.0
[INFO] [stderr]   Downloaded strum_macros v0.25.3
[INFO] [stderr]   Downloaded procfs v0.16.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.19
[INFO] [stderr]   Downloaded clap_derive v4.5.11
[INFO] [stderr]   Downloaded clap v4.5.11
[INFO] [stderr]   Downloaded procfs-core v0.16.0
[INFO] [stderr]   Downloaded clap_builder v4.5.11
[INFO] [stderr]   Downloaded object v0.36.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 91cb75a0b17da9020fe33cc9a572061933729e250626597e604d9e5e7a51c45a
[INFO] running `Command { std: "docker" "start" "91cb75a0b17da9020fe33cc9a572061933729e250626597e604d9e5e7a51c45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91cb75a0b17da9020fe33cc9a572061933729e250626597e604d9e5e7a51c45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "91cb75a0b17da9020fe33cc9a572061933729e250626597e604d9e5e7a51c45a" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91cb75a0b17da9020fe33cc9a572061933729e250626597e604d9e5e7a51c45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "91cb75a0b17da9020fe33cc9a572061933729e250626597e604d9e5e7a51c45a" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `leshy_alt` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../leshy_alt
[INFO] [stderr]    |                          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `leshy-alt`, convert `bin.name`
[INFO] [stderr]   --> Cargo.toml:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 - name = "leshy_alt"
[INFO] [stderr] 58 + name = "leshy-alt"
[INFO] [stderr]    |
[INFO] [stderr] warning: binary `leshy_greedy` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../leshy_greedy
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `leshy-greedy`, convert `bin.name`
[INFO] [stderr]   --> Cargo.toml:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 - name = "leshy_greedy"
[INFO] [stderr] 54 + name = "leshy-greedy"
[INFO] [stderr]    |
[INFO] [stderr] warning: binary `online_leshy` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../online_leshy
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `online-leshy`, convert `bin.name`
[INFO] [stderr]   --> Cargo.toml:50:8
[INFO] [stderr]    |
[INFO] [stderr] 50 - name = "online_leshy"
[INFO] [stderr] 50 + name = "online-leshy"
[INFO] [stderr]    |
[INFO] [stderr] warning: `etutils-rs` (manifest) generated 3 warnings
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]    Compiling procfs v0.16.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking memmap2 v0.8.0
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]     Checking clap_builder v4.5.11
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]     Checking procfs-core v0.16.0
[INFO] [stderr]     Checking ctrlc v3.4.4
[INFO] [stderr]     Checking inotify v0.10.2
[INFO] [stderr]     Checking vsock v0.3.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling clap_derive v4.5.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking pagemap v0.1.0 (https://github.com/cslab-ntua/et-pagemap-rs.git?branch=et-micro-artifact#7e7164b4)
[INFO] [stderr]     Checking clap v4.5.11
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking etutils-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/overlap.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::{self, File};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/overlap.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{env, usize};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/memfrag.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TLBSIZE` is never used
[INFO] [stdout]   --> src/overlap.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const TLBSIZE: usize = 1280;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SUFFIXES` is never used
[INFO] [stdout]   --> src/overlap.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const SUFFIXES: [&str; 8] = ["", "K", "M", "G", "T", "P", "E", "Z"];
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `size_to_str` is never used
[INFO] [stdout]   --> src/overlap.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn size_to_str(sz: usize) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/overlap.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 179 | impl Trace {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 193 |     fn total_count(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     fn count_by_type(&self, kernel: bool) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 210 |     fn unique_addresses(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |     fn addresses_by_type(&self, kernel: bool) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |     fn footprint(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     fn footprint_by_type(&self, kernel: bool) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 |     fn print_stats(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/leshy.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{env, usize};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memfrag.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/memfrag.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/memfrag.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/leshy_greedy.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{env, usize};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/leshy.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{env, usize};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `anchor_size` is assigned to, but never used
[INFO] [stdout]    --> src/pagecollect.rs:282:13
[INFO] [stdout]     |
[INFO] [stdout] 282 |         let mut anchor_size = None;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_anchor_size` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `anchor_size` is never read
[INFO] [stdout]    --> src/pagecollect.rs:411:17
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 anchor_size = Some(entry_size);
[INFO] [stdout]     |                 ------------------------------ `anchor_size` is overwritten here before the previous value is read
[INFO] [stdout] ...
[INFO] [stdout] 411 |                 anchor_size = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `anchor_size` is never read
[INFO] [stdout]    --> src/pagecollect.rs:384:17
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 anchor_size = Some(entry_size);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/prctl.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         Command::new(args.proc[0].to_owned()).args(&args.proc[1..]).exec();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let _ = Command::new(args.proc[0].to_owned()).args(&args.proc[1..]).exec();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memfrag.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/memfrag.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `anchor_size` is assigned to, but never used
[INFO] [stdout]    --> src/pagecollect.rs:282:13
[INFO] [stdout]     |
[INFO] [stdout] 282 |         let mut anchor_size = None;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_anchor_size` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `anchor_size` is never read
[INFO] [stdout]    --> src/pagecollect.rs:411:17
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 anchor_size = Some(entry_size);
[INFO] [stdout]     |                 ------------------------------ `anchor_size` is overwritten here before the previous value is read
[INFO] [stdout] ...
[INFO] [stdout] 411 |                 anchor_size = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `anchor_size` is never read
[INFO] [stdout]    --> src/pagecollect.rs:384:17
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 anchor_size = Some(entry_size);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/leshy_alt.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/prctl.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         Command::new(args.proc[0].to_owned()).args(&args.proc[1..]).exec();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let _ = Command::new(args.proc[0].to_owned()).args(&args.proc[1..]).exec();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/leshy_alt.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/overlap.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::{self, File};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/leshy_alt.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{env, usize};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/overlap.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{env, usize};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/leshy_alt.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{env, usize};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/leshy_greedy.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{env, usize};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYSFS_HPMD_SIZE` is never used
[INFO] [stdout]   --> src/pflat-mthp.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const SYSFS_HPMD_SIZE: &str = "/sys/kernel/mm/transparent_hugepage/hpage_pmd_size";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/leshy.rs:597:33
[INFO] [stdout]     |
[INFO] [stdout] 597 |             .min_by_key(|&(&k, &v)| k as u8);
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/leshy.rs:596:23
[INFO] [stdout]     |
[INFO] [stdout] 596 |             .filter(|(k, v)| v.count >= target)
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `same_order_of_mag` is never used
[INFO] [stdout]    --> src/leshy.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn same_order_of_mag(a: usize, b: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addresses` is never read
[INFO] [stdout]    --> src/leshy.rs:751:5
[INFO] [stdout]     |
[INFO] [stdout] 750 | struct Solution {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 751 |     addresses: HashSet<usize>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Solution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYSFS_HPMD_SIZE` is never used
[INFO] [stdout]   --> src/online_leshy.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const SYSFS_HPMD_SIZE: &'static str = "/sys/kernel/mm/transparent_hugepage/hpage_pmd_size";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `align_up` is never used
[INFO] [stdout]   --> src/online_leshy.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn align_up(n: usize, m: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recurring` is never used
[INFO] [stdout]    --> src/online_leshy.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn recurring(n: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TLBSIZE` is never used
[INFO] [stdout]   --> src/overlap.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const TLBSIZE: usize = 1280;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SUFFIXES` is never used
[INFO] [stdout]   --> src/overlap.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const SUFFIXES: [&str; 8] = ["", "K", "M", "G", "T", "P", "E", "Z"];
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `size_to_str` is never used
[INFO] [stdout]   --> src/overlap.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn size_to_str(sz: usize) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/overlap.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 179 | impl Trace {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 193 |     fn total_count(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     fn count_by_type(&self, kernel: bool) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 210 |     fn unique_addresses(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |     fn addresses_by_type(&self, kernel: bool) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |     fn footprint(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     fn footprint_by_type(&self, kernel: bool) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 |     fn print_stats(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/leshy.rs:597:33
[INFO] [stdout]     |
[INFO] [stdout] 597 |             .min_by_key(|&(&k, &v)| k as u8);
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/leshy.rs:596:23
[INFO] [stdout]     |
[INFO] [stdout] 596 |             .filter(|(k, v)| v.count >= target)
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYSFS_HPMD_SIZE` is never used
[INFO] [stdout]   --> src/pflat-mthp.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const SYSFS_HPMD_SIZE: &str = "/sys/kernel/mm/transparent_hugepage/hpage_pmd_size";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `same_order_of_mag` is never used
[INFO] [stdout]    --> src/leshy.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn same_order_of_mag(a: usize, b: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addresses` is never read
[INFO] [stdout]    --> src/leshy.rs:751:5
[INFO] [stdout]     |
[INFO] [stdout] 750 | struct Solution {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 751 |     addresses: HashSet<usize>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Solution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYSFS_HPMD_SIZE` is never used
[INFO] [stdout]   --> src/online_leshy.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const SYSFS_HPMD_SIZE: &'static str = "/sys/kernel/mm/transparent_hugepage/hpage_pmd_size";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `align_up` is never used
[INFO] [stdout]   --> src/online_leshy.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn align_up(n: usize, m: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recurring` is never used
[INFO] [stdout]    --> src/online_leshy.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn recurring(n: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/leshy_alt.rs:489:33
[INFO] [stdout]     |
[INFO] [stdout] 489 |             .min_by_key(|&(&k, &v)| k as u8)
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/leshy_alt.rs:488:23
[INFO] [stdout]     |
[INFO] [stdout] 488 |             .filter(|(k, v)| v.count >= target)
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nr_entries` is never read
[INFO] [stdout]    --> src/leshy_alt.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct Coverage {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 181 |     count: usize,
[INFO] [stdout] 182 |     nr_entries: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Coverage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/leshy_alt.rs:489:33
[INFO] [stdout]     |
[INFO] [stdout] 489 |             .min_by_key(|&(&k, &v)| k as u8)
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/leshy_alt.rs:488:23
[INFO] [stdout]     |
[INFO] [stdout] 488 |             .filter(|(k, v)| v.count >= target)
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nr_entries` is never read
[INFO] [stdout]    --> src/leshy_alt.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct Coverage {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 181 |     count: usize,
[INFO] [stdout] 182 |     nr_entries: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Coverage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.80s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.28.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "91cb75a0b17da9020fe33cc9a572061933729e250626597e604d9e5e7a51c45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91cb75a0b17da9020fe33cc9a572061933729e250626597e604d9e5e7a51c45a", kill_on_drop: false }`
[INFO] [stdout] 91cb75a0b17da9020fe33cc9a572061933729e250626597e604d9e5e7a51c45a
