[INFO] cloning repository https://github.com/Pawarasoms/ParallelSorting [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pawarasoms/ParallelSorting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPawarasoms%2FParallelSorting", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPawarasoms%2FParallelSorting'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 47ea4102c81399d20c6eec561d2dd1a6cd8c96ce [INFO] checking Pawarasoms/ParallelSorting against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPawarasoms%2FParallelSorting" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Pawarasoms/ParallelSorting on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Pawarasoms/ParallelSorting [INFO] finished tweaking git repo https://github.com/Pawarasoms/ParallelSorting [INFO] tweaked toml for git repo https://github.com/Pawarasoms/ParallelSorting written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Pawarasoms/ParallelSorting 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e9af46ab4e65bf3735c536c6440e6f4f008925d8a09659d30baed8a3aabcf16b [INFO] running `Command { std: "docker" "start" "-a" "e9af46ab4e65bf3735c536c6440e6f4f008925d8a09659d30baed8a3aabcf16b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e9af46ab4e65bf3735c536c6440e6f4f008925d8a09659d30baed8a3aabcf16b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9af46ab4e65bf3735c536c6440e6f4f008925d8a09659d30baed8a3aabcf16b", kill_on_drop: false }` [INFO] [stdout] e9af46ab4e65bf3735c536c6440e6f4f008925d8a09659d30baed8a3aabcf16b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c35ad4c29bd423ff77780edf1ebb589c6447cc564a90ce8b7d501317cc4cdaad [INFO] running `Command { std: "docker" "start" "-a" "c35ad4c29bd423ff77780edf1ebb589c6447cc564a90ce8b7d501317cc4cdaad", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling crossbeam-queue v0.3.6 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking ParallelSorting v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::path::*` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::path::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossbeam` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crossbeam; [INFO] [stdout] | ^^^^^^^^^ the item `crossbeam` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Rng` is imported redundantly [INFO] [stdout] --> src/main.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::{Rng, SeedableRng}; [INFO] [stdout] | --- the item `Rng` is already imported here [INFO] [stdout] ... [INFO] [stdout] 79 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::*` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::path::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossbeam` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crossbeam; [INFO] [stdout] | ^^^^^^^^^ the item `crossbeam` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Rng` is imported redundantly [INFO] [stdout] --> src/main.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::{Rng, SeedableRng}; [INFO] [stdout] | --- the item `Rng` is already imported here [INFO] [stdout] ... [INFO] [stdout] 79 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rng` [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::{Rng, SeedableRng}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rng` [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::{Rng, SeedableRng}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `temp` is never read [INFO] [stdout] --> src/main.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | let mut temp = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | for i in 0..arr.len() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `temp` is never read [INFO] [stdout] --> src/main.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | let mut temp = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | for i in 0..arr.len() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.40s [INFO] running `Command { std: "docker" "inspect" "c35ad4c29bd423ff77780edf1ebb589c6447cc564a90ce8b7d501317cc4cdaad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c35ad4c29bd423ff77780edf1ebb589c6447cc564a90ce8b7d501317cc4cdaad", kill_on_drop: false }` [INFO] [stdout] c35ad4c29bd423ff77780edf1ebb589c6447cc564a90ce8b7d501317cc4cdaad