[INFO] cloning repository https://github.com/pemtshewang/leet_code75 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pemtshewang/leet_code75" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpemtshewang%2Fleet_code75", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpemtshewang%2Fleet_code75'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ab02e3071b9d7e51c0803441b2e22860476f299 [INFO] checking pemtshewang/leet_code75 against master#7bdae134cba57426d3c56b5de737a351762445e1 for pr-123794 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpemtshewang%2Fleet_code75" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pemtshewang/leet_code75 on toolchain 7bdae134cba57426d3c56b5de737a351762445e1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7bdae134cba57426d3c56b5de737a351762445e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pemtshewang/leet_code75 [INFO] finished tweaking git repo https://github.com/pemtshewang/leet_code75 [INFO] tweaked toml for git repo https://github.com/pemtshewang/leet_code75 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/pemtshewang/leet_code75 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" "+7bdae134cba57426d3c56b5de737a351762445e1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+7bdae134cba57426d3c56b5de737a351762445e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9da93df664397f664ef45937d00d16732059e4769dbde545039f257b098876d0 [INFO] running `Command { std: "docker" "start" "-a" "9da93df664397f664ef45937d00d16732059e4769dbde545039f257b098876d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9da93df664397f664ef45937d00d16732059e4769dbde545039f257b098876d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9da93df664397f664ef45937d00d16732059e4769dbde545039f257b098876d0", kill_on_drop: false }` [INFO] [stdout] 9da93df664397f664ef45937d00d16732059e4769dbde545039f257b098876d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+7bdae134cba57426d3c56b5de737a351762445e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f295544b915d3ca6de173a8c7b9668b748bdf0ca5393dc2220488812f55bd10 [INFO] running `Command { std: "docker" "start" "-a" "2f295544b915d3ca6de173a8c7b9668b748bdf0ca5393dc2220488812f55bd10", kill_on_drop: false }` [INFO] [stderr] Checking leet_code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `hash::Hash` [INFO] [stdout] --> src/lib.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, hash::Hash}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hash::Hash` [INFO] [stdout] --> src/lib.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, hash::Hash}; [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/lib.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn two_sum(mut arr: Vec, target: i32) -> Vec { [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/lib.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn two_sum(mut arr: Vec, target: i32) -> Vec { [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/leet_code-de19d2748c6902db/invoked.timestamp` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/leet_code-630bafd0301e96e5/invoked.timestamp` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] running `Command { std: "docker" "inspect" "2f295544b915d3ca6de173a8c7b9668b748bdf0ca5393dc2220488812f55bd10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f295544b915d3ca6de173a8c7b9668b748bdf0ca5393dc2220488812f55bd10", kill_on_drop: false }` [INFO] [stdout] 2f295544b915d3ca6de173a8c7b9668b748bdf0ca5393dc2220488812f55bd10