[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] testing ggnery/minigrep-rust against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggnery%2Fminigrep-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ggnery/minigrep-rust on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dd475094ab284b1ab9ab8190e1ff08a94e021f79bd01e8f7cb2ac41d0ce7a0e9
[INFO] running `Command { std: "docker" "start" "dd475094ab284b1ab9ab8190e1ff08a94e021f79bd01e8f7cb2ac41d0ce7a0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd475094ab284b1ab9ab8190e1ff08a94e021f79bd01e8f7cb2ac41d0ce7a0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dd475094ab284b1ab9ab8190e1ff08a94e021f79bd01e8f7cb2ac41d0ce7a0e9" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd475094ab284b1ab9ab8190e1ff08a94e021f79bd01e8f7cb2ac41d0ce7a0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dd475094ab284b1ab9ab8190e1ff08a94e021f79bd01e8f7cb2ac41d0ce7a0e9" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/config.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn build(args: &Vec<String>) -> Result<Config, GreepError> {
[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] 36 |     pub fn build(args: &Vec<String>) -> Result<Config<'_>, GreepError> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "dd475094ab284b1ab9ab8190e1ff08a94e021f79bd01e8f7cb2ac41d0ce7a0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dd475094ab284b1ab9ab8190e1ff08a94e021f79bd01e8f7cb2ac41d0ce7a0e9" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/config.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn build(args: &Vec<String>) -> Result<Config, GreepError> {
[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] 36 |     pub fn build(args: &Vec<String>) -> Result<Config<'_>, GreepError> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/config.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn build(args: &Vec<String>) -> Result<Config, GreepError> {
[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] 36 |     pub fn build(args: &Vec<String>) -> Result<Config<'_>, GreepError> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "dd475094ab284b1ab9ab8190e1ff08a94e021f79bd01e8f7cb2ac41d0ce7a0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dd475094ab284b1ab9ab8190e1ff08a94e021f79bd01e8f7cb2ac41d0ce7a0e9" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `borrow::Borrow`
[INFO] [stderr]  --> src/config.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{borrow::Borrow, env, path::Path};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `source_path` and `string_buff` are never read
[INFO] [stderr]  --> src/config.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Config<'a> {
[INFO] [stderr]   |            ------ fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 8 |     source_path: Option<String>,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 9 |     string_buff: Option<&'a String>,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `file_path` and `ignore_case` are never read
[INFO] [stderr]   --> src/search/file_search.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr]  6 | pub struct FileSearch {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr]  7 |     query: String,
[INFO] [stderr]  8 |     file_path: String,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]  9 |     contents: String,
[INFO] [stderr] 10 |     ignore_case: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/config.rs:36:24
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn build(args: &Vec<String>) -> Result<Config, GreepError> {
[INFO] [stderr]    |                        ^^^^^^^^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn build(args: &Vec<String>) -> Result<Config<'_>, GreepError> {
[INFO] [stderr]    |                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `minigrep` (lib) generated 4 warnings (run `cargo fix --lib -p minigrep` to apply 2 suggestions)
[INFO] [stderr] warning: `minigrep` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/minigrep/b790bb500e1c7041/out/minigrep-b790bb500e1c7041)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/build/minigrep/2329bf117c249e8b/out/minigrep-2329bf117c249e8b)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests minigrep
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd475094ab284b1ab9ab8190e1ff08a94e021f79bd01e8f7cb2ac41d0ce7a0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd475094ab284b1ab9ab8190e1ff08a94e021f79bd01e8f7cb2ac41d0ce7a0e9", kill_on_drop: false }`
[INFO] [stdout] dd475094ab284b1ab9ab8190e1ff08a94e021f79bd01e8f7cb2ac41d0ce7a0e9
