[INFO] cloning repository https://github.com/giovannicuccu/one-billion-row-challenge-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/giovannicuccu/one-billion-row-challenge-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiovannicuccu%2Fone-billion-row-challenge-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiovannicuccu%2Fone-billion-row-challenge-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 49a0bf0413b21240c8ffd0320bae71ad7f3b1c5c [INFO] checking giovannicuccu/one-billion-row-challenge-rust against master#2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a for pr-145113 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiovannicuccu%2Fone-billion-row-challenge-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/giovannicuccu/one-billion-row-challenge-rust [INFO] finished tweaking git repo https://github.com/giovannicuccu/one-billion-row-challenge-rust [INFO] tweaked toml for git repo https://github.com/giovannicuccu/one-billion-row-challenge-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/giovannicuccu/one-billion-row-challenge-rust on toolchain 2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/giovannicuccu/one-billion-row-challenge-rust 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" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a15aaaaee10e74fee33a4e724413a5e139a76a8d9beaac7c9a229df5b9bc50e4 [INFO] running `Command { std: "docker" "start" "-a" "a15aaaaee10e74fee33a4e724413a5e139a76a8d9beaac7c9a229df5b9bc50e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a15aaaaee10e74fee33a4e724413a5e139a76a8d9beaac7c9a229df5b9bc50e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a15aaaaee10e74fee33a4e724413a5e139a76a8d9beaac7c9a229df5b9bc50e4", kill_on_drop: false }` [INFO] [stdout] a15aaaaee10e74fee33a4e724413a5e139a76a8d9beaac7c9a229df5b9bc50e4 [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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 497ee04cad2e6dc727b46c040f4f20c850b1ac7ea1f16435cd5cefcd31eb1c9e [INFO] running `Command { std: "docker" "start" "-a" "497ee04cad2e6dc727b46c040f4f20c850b1ac7ea1f16435cd5cefcd31eb1c9e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking memmap2 v0.9.4 [INFO] [stderr] Checking one-billion-row-challenge v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `fs`, `io::Read`, and `sync::Arc` [INFO] [stdout] --> src/main.rs:1:44 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, env::args, fs, io::Read, sync::Arc, thread::available_parallelism, usize}; [INFO] [stdout] | ^^ ^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `io::Read` and `sync::Arc` [INFO] [stdout] --> src/main.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, env::args, fs, io::Read, sync::Arc, thread::available_parallelism, usize}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:408:13 [INFO] [stdout] | [INFO] [stdout] 408 | let mut file = std::fs::File::open(filename).unwrap(); [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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 143 | fn iter(&self) -> CustomMapIter { [INFO] [stdout] | ^^^^^ ------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 143 | fn iter(&self) -> CustomMapIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:235:31 [INFO] [stdout] | [INFO] [stdout] 235 | fn calculate_data_slice(data: &[u8], begin: usize, end: usize) -> CustomMap { [INFO] [stdout] | ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 235 | fn calculate_data_slice(data: &[u8], begin: usize, end: usize) -> CustomMap<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:408:13 [INFO] [stdout] | [INFO] [stdout] 408 | let mut file = std::fs::File::open(filename).unwrap(); [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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 143 | fn iter(&self) -> CustomMapIter { [INFO] [stdout] | ^^^^^ ------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 143 | fn iter(&self) -> CustomMapIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:235:31 [INFO] [stdout] | [INFO] [stdout] 235 | fn calculate_data_slice(data: &[u8], begin: usize, end: usize) -> CustomMap { [INFO] [stdout] | ^^^^^ the lifetime is elided here --------- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 235 | fn calculate_data_slice(data: &[u8], begin: usize, end: usize) -> CustomMap<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `Command { std: "docker" "inspect" "497ee04cad2e6dc727b46c040f4f20c850b1ac7ea1f16435cd5cefcd31eb1c9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "497ee04cad2e6dc727b46c040f4f20c850b1ac7ea1f16435cd5cefcd31eb1c9e", kill_on_drop: false }` [INFO] [stdout] 497ee04cad2e6dc727b46c040f4f20c850b1ac7ea1f16435cd5cefcd31eb1c9e