[INFO] cloning repository https://github.com/Solleter/rust_minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Solleter/rust_minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolleter%2Frust_minigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolleter%2Frust_minigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94b84e1fce897cca96f431fcea938451f12c5259
[INFO] testing Solleter/rust_minigrep against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolleter%2Frust_minigrep" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Solleter/rust_minigrep on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Solleter/rust_minigrep
[INFO] finished tweaking git repo https://github.com/Solleter/rust_minigrep
[INFO] tweaked toml for git repo https://github.com/Solleter/rust_minigrep written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/Solleter/rust_minigrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7aa822c57a4a7353cd09ed5bad71f909b6e5a511f3a2d087027492451011add
[INFO] running `Command { std: "docker" "start" "-a" "d7aa822c57a4a7353cd09ed5bad71f909b6e5a511f3a2d087027492451011add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7aa822c57a4a7353cd09ed5bad71f909b6e5a511f3a2d087027492451011add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7aa822c57a4a7353cd09ed5bad71f909b6e5a511f3a2d087027492451011add", kill_on_drop: false }`
[INFO] [stdout] d7aa822c57a4a7353cd09ed5bad71f909b6e5a511f3a2d087027492451011add
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c78d49441ead8e5524547b94e513459ac4f4b84959c9bff6f9d9afbdd50aab59
[INFO] running `Command { std: "docker" "start" "-a" "c78d49441ead8e5524547b94e513459ac4f4b84959c9bff6f9d9afbdd50aab59", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]  --> src/main.rs:8:53
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let config = Config::new(&args).unwrap_or_else(|err| {
[INFO] [stdout]   |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if let Err(e) = minigrep::run(config) {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "c78d49441ead8e5524547b94e513459ac4f4b84959c9bff6f9d9afbdd50aab59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78d49441ead8e5524547b94e513459ac4f4b84959c9bff6f9d9afbdd50aab59", kill_on_drop: false }`
[INFO] [stdout] c78d49441ead8e5524547b94e513459ac4f4b84959c9bff6f9d9afbdd50aab59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d722217aa24cde8628ac77c40f2676060e75ffd520972af63bc9b4cef81abf06
[INFO] running `Command { std: "docker" "start" "-a" "d722217aa24cde8628ac77c40f2676060e75ffd520972af63bc9b4cef81abf06", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]  --> src/main.rs:8:53
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let config = Config::new(&args).unwrap_or_else(|err| {
[INFO] [stdout]   |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if let Err(e) = minigrep::run(config) {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "d722217aa24cde8628ac77c40f2676060e75ffd520972af63bc9b4cef81abf06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d722217aa24cde8628ac77c40f2676060e75ffd520972af63bc9b4cef81abf06", kill_on_drop: false }`
[INFO] [stdout] d722217aa24cde8628ac77c40f2676060e75ffd520972af63bc9b4cef81abf06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11bdafb5a424c279c07091cbfa70e2b0a0aba22bdffee77bbf95ba1a8e79c0f3
[INFO] running `Command { std: "docker" "start" "-a" "11bdafb5a424c279c07091cbfa70e2b0a0aba22bdffee77bbf95ba1a8e79c0f3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:8:53
[INFO] [stdout] running 2 tests
[INFO] [stderr]   |
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stderr] 8 |     let config = Config::new(&args).unwrap_or_else(|err| {
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stderr]   |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:12:16
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 12 |     if let Err(e) = minigrep::run(config) {
[INFO] [stdout] 
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: `minigrep` (bin "minigrep" test) generated 2 warnings
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep-31e90dc7da3c1f37)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep-cc33cb830df6f7c5)
[INFO] [stderr]    Doc-tests minigrep
[INFO] running `Command { std: "docker" "inspect" "11bdafb5a424c279c07091cbfa70e2b0a0aba22bdffee77bbf95ba1a8e79c0f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11bdafb5a424c279c07091cbfa70e2b0a0aba22bdffee77bbf95ba1a8e79c0f3", kill_on_drop: false }`
[INFO] [stdout] 11bdafb5a424c279c07091cbfa70e2b0a0aba22bdffee77bbf95ba1a8e79c0f3