[INFO] cloning repository https://github.com/CarlosLaraFP/grep-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CarlosLaraFP/grep-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlosLaraFP%2Fgrep-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlosLaraFP%2Fgrep-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fff769196ba0baf8770cadc03e22df1bf84a61fe
[INFO] testing CarlosLaraFP/grep-cli against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlosLaraFP%2Fgrep-cli" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CarlosLaraFP/grep-cli on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CarlosLaraFP/grep-cli
[INFO] finished tweaking git repo https://github.com/CarlosLaraFP/grep-cli
[INFO] tweaked toml for git repo https://github.com/CarlosLaraFP/grep-cli written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CarlosLaraFP/grep-cli 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2511cb6dccd20597ba9c337785eb09cc41b7b53fb9939ad763cd5f67164a653
[INFO] running `Command { std: "docker" "start" "-a" "b2511cb6dccd20597ba9c337785eb09cc41b7b53fb9939ad763cd5f67164a653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2511cb6dccd20597ba9c337785eb09cc41b7b53fb9939ad763cd5f67164a653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2511cb6dccd20597ba9c337785eb09cc41b7b53fb9939ad763cd5f67164a653", kill_on_drop: false }`
[INFO] [stdout] b2511cb6dccd20597ba9c337785eb09cc41b7b53fb9939ad763cd5f67164a653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36b16fe504e03c2cbbf7747e13ccd6849f74890eb82c339cc70bdc30d1f00637
[INFO] running `Command { std: "docker" "start" "-a" "36b16fe504e03c2cbbf7747e13ccd6849f74890eb82c339cc70bdc30d1f00637", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling grep-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env::Args`
[INFO] [stdout]  --> src/grep.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env::Args;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "36b16fe504e03c2cbbf7747e13ccd6849f74890eb82c339cc70bdc30d1f00637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b16fe504e03c2cbbf7747e13ccd6849f74890eb82c339cc70bdc30d1f00637", kill_on_drop: false }`
[INFO] [stdout] 36b16fe504e03c2cbbf7747e13ccd6849f74890eb82c339cc70bdc30d1f00637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e41146b7168eeff016d04e0d42712619105d402c140c3ed49b9c19965cc18e3
[INFO] running `Command { std: "docker" "start" "-a" "2e41146b7168eeff016d04e0d42712619105d402c140c3ed49b9c19965cc18e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling grep-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env::Args`
[INFO] [stdout]  --> src/grep.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env::Args;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::Args`
[INFO] [stdout]  --> src/grep.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env::Args;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "2e41146b7168eeff016d04e0d42712619105d402c140c3ed49b9c19965cc18e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e41146b7168eeff016d04e0d42712619105d402c140c3ed49b9c19965cc18e3", kill_on_drop: false }`
[INFO] [stdout] 2e41146b7168eeff016d04e0d42712619105d402c140c3ed49b9c19965cc18e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 454088a458cb8ea680cee7febccebc24622301ff7eba5f13a5359fcbfc26c760
[INFO] running `Command { std: "docker" "start" "-a" "454088a458cb8ea680cee7febccebc24622301ff7eba5f13a5359fcbfc26c760", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::env::Args`
[INFO] [stderr]  --> src/grep.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::env::Args;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/lib.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, BufRead, BufReader};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `grep-cli` (lib) generated 2 warnings (run `cargo fix --lib -p grep-cli` to apply 2 suggestions)
[INFO] [stderr] warning: `grep-cli` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/grep_cli-ff186627e490a33d)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test grep::tests::missing_first_argument ... ok
[INFO] [stdout] test grep::tests::arguments_provided ... ok
[INFO] [stdout] test grep::tests::missing_second_argument ... ok
[INFO] [stdout] test tests::file_does_not_exist ... ok
[INFO] [stdout] test tests::string_found_case_insensitive ... ok
[INFO] [stdout] test tests::string_found_case_sensitive ... ok
[INFO] [stdout] test tests::string_not_found ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/grep_cli-cf8b8770aba5dc85)
[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] [stderr]    Doc-tests grep-cli
[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" "454088a458cb8ea680cee7febccebc24622301ff7eba5f13a5359fcbfc26c760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454088a458cb8ea680cee7febccebc24622301ff7eba5f13a5359fcbfc26c760", kill_on_drop: false }`
[INFO] [stdout] 454088a458cb8ea680cee7febccebc24622301ff7eba5f13a5359fcbfc26c760
