[INFO] cloning repository https://github.com/rickvantooster/rust-1brc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rickvantooster/rust-1brc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickvantooster%2Frust-1brc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickvantooster%2Frust-1brc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e61048eb68b86062897918b14e65a29486d7827f
[INFO] checking rickvantooster/rust-1brc against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickvantooster%2Frust-1brc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rickvantooster/rust-1brc on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rickvantooster/rust-1brc
[INFO] finished tweaking git repo https://github.com/rickvantooster/rust-1brc
[INFO] tweaked toml for git repo https://github.com/rickvantooster/rust-1brc written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rickvantooster/rust-1brc 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2df34429e712a0cce86091a8a7deb40247b8a5170a5b381d0333a44fe1065c43
[INFO] running `Command { std: "docker" "start" "-a" "2df34429e712a0cce86091a8a7deb40247b8a5170a5b381d0333a44fe1065c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2df34429e712a0cce86091a8a7deb40247b8a5170a5b381d0333a44fe1065c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df34429e712a0cce86091a8a7deb40247b8a5170a5b381d0333a44fe1065c43", kill_on_drop: false }`
[INFO] [stdout] 2df34429e712a0cce86091a8a7deb40247b8a5170a5b381d0333a44fe1065c43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3094867691254b08304b09bed79544d1cf5adfced91d24fc0d6bf6363429a5f
[INFO] running `Command { std: "docker" "start" "-a" "a3094867691254b08304b09bed79544d1cf5adfced91d24fc0d6bf6363429a5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking rust-1brc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `hint::black_box`, `self`, and `time::Duration`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs::{self, File}, hint::black_box, io::{self, BufRead, BufReader, Read}, sync::{mpsc, Arc}, thread, time::Duration, u8};
[INFO] [stdout]   |                ^^^^         ^^^^^^^^^^^^^^^                                                     ^^^           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::threadpool::ThreadPool`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::threadpool::ThreadPool;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `hint::black_box`, `self`, and `time::Duration`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs::{self, File}, hint::black_box, io::{self, BufRead, BufReader, Read}, sync::{mpsc, Arc}, thread, time::Duration, u8};
[INFO] [stdout]   |                ^^^^         ^^^^^^^^^^^^^^^                                                     ^^^           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::threadpool::ThreadPool`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::threadpool::ThreadPool;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/threadpool.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     Err(e) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/threadpool.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     Err(e) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut reader = BufReader::with_capacity(buf_size, file);
[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/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut reader = BufReader::with_capacity(buf_size, file);
[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 `test_chunk_reader` is never used
[INFO] [stdout]   --> src/main.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn test_chunk_reader(file: File) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_chunks` is never used
[INFO] [stdout]   --> src/main.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn read_chunks(file: File) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChunkMessageType` is never used
[INFO] [stdout]    --> src/main.rs:186:6
[INFO] [stdout]     |
[INFO] [stdout] 186 | enum ChunkMessageType {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LineMessageType` is never used
[INFO] [stdout]    --> src/main.rs:195:6
[INFO] [stdout]     |
[INFO] [stdout] 195 | enum LineMessageType {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ValueMessageType` is never used
[INFO] [stdout]    --> src/main.rs:199:6
[INFO] [stdout]     |
[INFO] [stdout] 199 | enum ValueMessageType {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_parse_num` is never used
[INFO] [stdout]    --> src/main.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn test_parse_num(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_naive_less_alloc` is never used
[INFO] [stdout]    --> src/main.rs:277:4
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn process_naive_less_alloc(file: File) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_multithreaded` is never used
[INFO] [stdout]    --> src/main.rs:327:4
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn process_multithreaded(file: File) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_chunked` is never used
[INFO] [stdout]    --> src/main.rs:391:4
[INFO] [stdout]     |
[INFO] [stdout] 391 | fn process_chunked(file: File) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Exit` is never constructed
[INFO] [stdout]   --> src/threadpool.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum TaskMessage {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 14 |     Job(Job),
[INFO] [stdout] 15 |     Exit
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/threadpool.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct Worker {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 74 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_chunk_reader` is never used
[INFO] [stdout]   --> src/main.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn test_chunk_reader(file: File) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_chunks` is never used
[INFO] [stdout]   --> src/main.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn read_chunks(file: File) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChunkMessageType` is never used
[INFO] [stdout]    --> src/main.rs:186:6
[INFO] [stdout]     |
[INFO] [stdout] 186 | enum ChunkMessageType {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LineMessageType` is never used
[INFO] [stdout]    --> src/main.rs:195:6
[INFO] [stdout]     |
[INFO] [stdout] 195 | enum LineMessageType {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ValueMessageType` is never used
[INFO] [stdout]    --> src/main.rs:199:6
[INFO] [stdout]     |
[INFO] [stdout] 199 | enum ValueMessageType {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_parse_num` is never used
[INFO] [stdout]    --> src/main.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn test_parse_num(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_naive_less_alloc` is never used
[INFO] [stdout]    --> src/main.rs:277:4
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn process_naive_less_alloc(file: File) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_multithreaded` is never used
[INFO] [stdout]    --> src/main.rs:327:4
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn process_multithreaded(file: File) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_chunked` is never used
[INFO] [stdout]    --> src/main.rs:391:4
[INFO] [stdout]     |
[INFO] [stdout] 391 | fn process_chunked(file: File) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Exit` is never constructed
[INFO] [stdout]   --> src/threadpool.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum TaskMessage {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 14 |     Job(Job),
[INFO] [stdout] 15 |     Exit
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/threadpool.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct Worker {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 74 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "a3094867691254b08304b09bed79544d1cf5adfced91d24fc0d6bf6363429a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3094867691254b08304b09bed79544d1cf5adfced91d24fc0d6bf6363429a5f", kill_on_drop: false }`
[INFO] [stdout] a3094867691254b08304b09bed79544d1cf5adfced91d24fc0d6bf6363429a5f
[INFO] checking rickvantooster/rust-1brc against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickvantooster%2Frust-1brc" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rickvantooster/rust-1brc on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rickvantooster/rust-1brc
[INFO] finished tweaking git repo https://github.com/rickvantooster/rust-1brc
[INFO] tweaked toml for git repo https://github.com/rickvantooster/rust-1brc written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rickvantooster/rust-1brc 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd92cf7e1b4a103e85ce89a1996baf8da06211ed17f48806a9a33439351f7dc2
[INFO] running `Command { std: "docker" "start" "-a" "bd92cf7e1b4a103e85ce89a1996baf8da06211ed17f48806a9a33439351f7dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd92cf7e1b4a103e85ce89a1996baf8da06211ed17f48806a9a33439351f7dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd92cf7e1b4a103e85ce89a1996baf8da06211ed17f48806a9a33439351f7dc2", kill_on_drop: false }`
[INFO] [stdout] bd92cf7e1b4a103e85ce89a1996baf8da06211ed17f48806a9a33439351f7dc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38e21166d986216e961c2acd452a6eb2a6c02b7130e25390ebe495628554fc38
[INFO] running `Command { std: "docker" "start" "-a" "38e21166d986216e961c2acd452a6eb2a6c02b7130e25390ebe495628554fc38", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking rust-1brc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `hint::black_box`, `self`, and `time::Duration`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs::{self, File}, hint::black_box, io::{self, BufRead, BufReader, Read}, sync::{mpsc, Arc}, thread, time::Duration, u8};
[INFO] [stdout]   |                ^^^^         ^^^^^^^^^^^^^^^                                                     ^^^           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::threadpool::ThreadPool`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::threadpool::ThreadPool;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `hint::black_box`, `self`, and `time::Duration`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs::{self, File}, hint::black_box, io::{self, BufRead, BufReader, Read}, sync::{mpsc, Arc}, thread, time::Duration, u8};
[INFO] [stdout]   |                ^^^^         ^^^^^^^^^^^^^^^                                                     ^^^           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::threadpool::ThreadPool`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::threadpool::ThreadPool;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/threadpool.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     Err(e) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/threadpool.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     Err(e) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut reader = BufReader::with_capacity(buf_size, file);
[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/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut reader = BufReader::with_capacity(buf_size, file);
[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 `test_chunk_reader` is never used
[INFO] [stdout]   --> src/main.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn test_chunk_reader(file: File) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_chunks` is never used
[INFO] [stdout]   --> src/main.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn read_chunks(file: File) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChunkMessageType` is never used
[INFO] [stdout]    --> src/main.rs:186:6
[INFO] [stdout]     |
[INFO] [stdout] 186 | enum ChunkMessageType {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LineMessageType` is never used
[INFO] [stdout]    --> src/main.rs:195:6
[INFO] [stdout]     |
[INFO] [stdout] 195 | enum LineMessageType {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ValueMessageType` is never used
[INFO] [stdout]    --> src/main.rs:199:6
[INFO] [stdout]     |
[INFO] [stdout] 199 | enum ValueMessageType {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_parse_num` is never used
[INFO] [stdout]    --> src/main.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn test_parse_num(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_naive_less_alloc` is never used
[INFO] [stdout]    --> src/main.rs:277:4
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn process_naive_less_alloc(file: File) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_multithreaded` is never used
[INFO] [stdout]    --> src/main.rs:327:4
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn process_multithreaded(file: File) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_chunked` is never used
[INFO] [stdout]    --> src/main.rs:391:4
[INFO] [stdout]     |
[INFO] [stdout] 391 | fn process_chunked(file: File) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Exit` is never constructed
[INFO] [stdout]   --> src/threadpool.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum TaskMessage {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 14 |     Job(Job),
[INFO] [stdout] 15 |     Exit
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/threadpool.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct Worker {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 74 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_chunk_reader` is never used
[INFO] [stdout]   --> src/main.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn test_chunk_reader(file: File) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_chunks` is never used
[INFO] [stdout]   --> src/main.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn read_chunks(file: File) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChunkMessageType` is never used
[INFO] [stdout]    --> src/main.rs:186:6
[INFO] [stdout]     |
[INFO] [stdout] 186 | enum ChunkMessageType {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LineMessageType` is never used
[INFO] [stdout]    --> src/main.rs:195:6
[INFO] [stdout]     |
[INFO] [stdout] 195 | enum LineMessageType {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ValueMessageType` is never used
[INFO] [stdout]    --> src/main.rs:199:6
[INFO] [stdout]     |
[INFO] [stdout] 199 | enum ValueMessageType {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_parse_num` is never used
[INFO] [stdout]    --> src/main.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn test_parse_num(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_naive_less_alloc` is never used
[INFO] [stdout]    --> src/main.rs:277:4
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn process_naive_less_alloc(file: File) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_multithreaded` is never used
[INFO] [stdout]    --> src/main.rs:327:4
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn process_multithreaded(file: File) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_chunked` is never used
[INFO] [stdout]    --> src/main.rs:391:4
[INFO] [stdout]     |
[INFO] [stdout] 391 | fn process_chunked(file: File) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Exit` is never constructed
[INFO] [stdout]   --> src/threadpool.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum TaskMessage {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 14 |     Job(Job),
[INFO] [stdout] 15 |     Exit
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/threadpool.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct Worker {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 74 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "38e21166d986216e961c2acd452a6eb2a6c02b7130e25390ebe495628554fc38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e21166d986216e961c2acd452a6eb2a6c02b7130e25390ebe495628554fc38", kill_on_drop: false }`
[INFO] [stdout] 38e21166d986216e961c2acd452a6eb2a6c02b7130e25390ebe495628554fc38