[INFO] cloning repository https://github.com/jesse23/rust_execrise_minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jesse23/rust_execrise_minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjesse23%2Frust_execrise_minigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjesse23%2Frust_execrise_minigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f24664ff3f69d102aed1914fcd48972cf433cbd
[INFO] testing jesse23/rust_execrise_minigrep against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjesse23%2Frust_execrise_minigrep" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jesse23/rust_execrise_minigrep on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jesse23/rust_execrise_minigrep
[INFO] finished tweaking git repo https://github.com/jesse23/rust_execrise_minigrep
[INFO] tweaked toml for git repo https://github.com/jesse23/rust_execrise_minigrep written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jesse23/rust_execrise_minigrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1dae5fd7e40b842c0fcddb3d137f75d890155047d44dcb36ba029c79122d123
[INFO] running `Command { std: "docker" "start" "-a" "b1dae5fd7e40b842c0fcddb3d137f75d890155047d44dcb36ba029c79122d123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1dae5fd7e40b842c0fcddb3d137f75d890155047d44dcb36ba029c79122d123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1dae5fd7e40b842c0fcddb3d137f75d890155047d44dcb36ba029c79122d123", kill_on_drop: false }`
[INFO] [stdout] b1dae5fd7e40b842c0fcddb3d137f75d890155047d44dcb36ba029c79122d123
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 976dcf9fef71d707bd40eb783ebd7b718f86ca5a9859e8bdf7e1a9d5d960f26c
[INFO] running `Command { std: "docker" "start" "-a" "976dcf9fef71d707bd40eb783ebd7b718f86ca5a9859e8bdf7e1a9d5d960f26c", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/minigrep/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/minigrep/mod.rs:47:71
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let env_var: &str = &env::var("CASE_INSENSITIVE").unwrap_or_else(|err| String::from("false"));
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "976dcf9fef71d707bd40eb783ebd7b718f86ca5a9859e8bdf7e1a9d5d960f26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976dcf9fef71d707bd40eb783ebd7b718f86ca5a9859e8bdf7e1a9d5d960f26c", kill_on_drop: false }`
[INFO] [stdout] 976dcf9fef71d707bd40eb783ebd7b718f86ca5a9859e8bdf7e1a9d5d960f26c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3193e4befc5f4ea9370fac2c526b6e34a7de685b86ff945137fd9b1c96656d3b
[INFO] running `Command { std: "docker" "start" "-a" "3193e4befc5f4ea9370fac2c526b6e34a7de685b86ff945137fd9b1c96656d3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/minigrep/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/minigrep/mod.rs:47:71
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let env_var: &str = &env::var("CASE_INSENSITIVE").unwrap_or_else(|err| String::from("false"));
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "3193e4befc5f4ea9370fac2c526b6e34a7de685b86ff945137fd9b1c96656d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3193e4befc5f4ea9370fac2c526b6e34a7de685b86ff945137fd9b1c96656d3b", kill_on_drop: false }`
[INFO] [stdout] 3193e4befc5f4ea9370fac2c526b6e34a7de685b86ff945137fd9b1c96656d3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5698d2948fe163e035c63ecfcd1acdb2aac3797edda213874de5e89102b33d2
[INFO] running `Command { std: "docker" "start" "-a" "d5698d2948fe163e035c63ecfcd1acdb2aac3797edda213874de5e89102b33d2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> src/minigrep/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/minigrep/mod.rs:47:71
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let env_var: &str = &env::var("CASE_INSENSITIVE").unwrap_or_else(|err| String::from("false"));
[INFO] [stderr]    |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `minigrep` (bin "minigrep" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep-e3d4b21f035fba8a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test minigrep::tests::get_case_sensitive_test::get_case_sensitive_true ... ok
[INFO] [stdout] test minigrep::tests::get_case_sensitive_test::get_case_sensitive_default ... ok
[INFO] [stdout] test minigrep::tests::get_case_sensitive_test::get_case_sensitive_false ... ok
[INFO] [stdout] test minigrep::tests::config_test::config_param_exceed ... ok
[INFO] [stdout] test minigrep::tests::case_insensitive ... ok
[INFO] [stdout] test minigrep::tests::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d5698d2948fe163e035c63ecfcd1acdb2aac3797edda213874de5e89102b33d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5698d2948fe163e035c63ecfcd1acdb2aac3797edda213874de5e89102b33d2", kill_on_drop: false }`
[INFO] [stdout] d5698d2948fe163e035c63ecfcd1acdb2aac3797edda213874de5e89102b33d2