[INFO] cloning repository https://github.com/AshyEarl/leecode-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AshyEarl/leecode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshyEarl%2Fleecode-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshyEarl%2Fleecode-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b6c72e320fc4de53969fd64633c520277bc95cc0 [INFO] checking AshyEarl/leecode-rust/b6c72e320fc4de53969fd64633c520277bc95cc0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshyEarl%2Fleecode-rust" "/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/AshyEarl/leecode-rust on toolchain 38352b01ae4af9300be03b805d6db68c45e51068 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AshyEarl/leecode-rust [INFO] finished tweaking git repo https://github.com/AshyEarl/leecode-rust [INFO] tweaked toml for git repo https://github.com/AshyEarl/leecode-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/AshyEarl/leecode-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" "+38352b01ae4af9300be03b805d6db68c45e51068" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac40f97065bc27b8313a9fe6a48b4943fdee6df8cde7f61c868fbf9e4ddb7104 [INFO] running `Command { std: "docker" "start" "-a" "ac40f97065bc27b8313a9fe6a48b4943fdee6df8cde7f61c868fbf9e4ddb7104", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac40f97065bc27b8313a9fe6a48b4943fdee6df8cde7f61c868fbf9e4ddb7104", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac40f97065bc27b8313a9fe6a48b4943fdee6df8cde7f61c868fbf9e4ddb7104", kill_on_drop: false }` [INFO] [stdout] ac40f97065bc27b8313a9fe6a48b4943fdee6df8cde7f61c868fbf9e4ddb7104 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e3b2e744e41a75212b88ce193f2c29278385b2fb9234eaf0723e8b045b9d15f [INFO] running `Command { std: "docker" "start" "-a" "2e3b2e744e41a75212b88ce193f2c29278385b2fb9234eaf0723e8b045b9d15f", kill_on_drop: false }` [INFO] [stderr] Checking leecode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `DerefMut` and `Deref` [INFO] [stdout] --> src/_0002_add_two_numbers.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::{Deref, DerefMut}; [INFO] [stdout] | ^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/_0003_longest_substring_without_repeating_characters.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DerefMut` and `Deref` [INFO] [stdout] --> src/_0002_add_two_numbers.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::{Deref, DerefMut}; [INFO] [stdout] | ^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/_0003_longest_substring_without_repeating_characters.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [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] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "2e3b2e744e41a75212b88ce193f2c29278385b2fb9234eaf0723e8b045b9d15f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e3b2e744e41a75212b88ce193f2c29278385b2fb9234eaf0723e8b045b9d15f", kill_on_drop: false }` [INFO] [stdout] 2e3b2e744e41a75212b88ce193f2c29278385b2fb9234eaf0723e8b045b9d15f