[INFO] cloning repository https://github.com/ggnery/minigrep-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ggnery/minigrep-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggnery%2Fminigrep-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggnery%2Fminigrep-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f82861c7e7e739501e90e93e934f389e60c745a
[INFO] checking ggnery/minigrep-rust against master#f8c27dfe1a2e7fb538fd91dad53de06992c7c967 for pr-138915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggnery%2Fminigrep-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] validating manifest of git repo https://github.com/ggnery/minigrep-rust on toolchain f8c27dfe1a2e7fb538fd91dad53de06992c7c967
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ggnery/minigrep-rust
[INFO] finished tweaking git repo https://github.com/ggnery/minigrep-rust
[INFO] tweaked toml for git repo https://github.com/ggnery/minigrep-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ggnery/minigrep-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" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88418915d4bb9347eaf6636e571683cefa9a181fd3127489456081846ee7619e
[INFO] running `Command { std: "docker" "start" "-a" "88418915d4bb9347eaf6636e571683cefa9a181fd3127489456081846ee7619e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88418915d4bb9347eaf6636e571683cefa9a181fd3127489456081846ee7619e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88418915d4bb9347eaf6636e571683cefa9a181fd3127489456081846ee7619e", kill_on_drop: false }`
[INFO] [stdout] 88418915d4bb9347eaf6636e571683cefa9a181fd3127489456081846ee7619e
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e08abdf3b3f75c6d95e216b3d88479cc7e59ce03df7107a1aa8c0cc68a3cee9
[INFO] running `Command { std: "docker" "start" "-a" "0e08abdf3b3f75c6d95e216b3d88479cc7e59ce03df7107a1aa8c0cc68a3cee9", kill_on_drop: false }`
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> src/config.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Borrow, env, path::Path};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> src/config.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Borrow, env, path::Path};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source_path` and `string_buff` are never read
[INFO] [stdout]  --> src/config.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Config<'a> {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     source_path: Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 9 |     string_buff: Option<&'a String>,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_path` and `ignore_case` are never read
[INFO] [stdout]   --> src/search/file_search.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct FileSearch {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 7  |     query: String,
[INFO] [stdout] 8  |     file_path: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 9  |     contents: String,
[INFO] [stdout] 10 |     ignore_case: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source_path` and `string_buff` are never read
[INFO] [stdout]  --> src/config.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Config<'a> {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     source_path: Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 9 |     string_buff: Option<&'a String>,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_path` and `ignore_case` are never read
[INFO] [stdout]   --> src/search/file_search.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct FileSearch {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 7  |     query: String,
[INFO] [stdout] 8  |     file_path: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 9  |     contents: String,
[INFO] [stdout] 10 |     ignore_case: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "0e08abdf3b3f75c6d95e216b3d88479cc7e59ce03df7107a1aa8c0cc68a3cee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e08abdf3b3f75c6d95e216b3d88479cc7e59ce03df7107a1aa8c0cc68a3cee9", kill_on_drop: false }`
[INFO] [stdout] 0e08abdf3b3f75c6d95e216b3d88479cc7e59ce03df7107a1aa8c0cc68a3cee9