[INFO] cloning repository https://github.com/Abhishek8394/rust-tut-minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Abhishek8394/rust-tut-minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhishek8394%2Frust-tut-minigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhishek8394%2Frust-tut-minigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e23547909ca0bf5ad06bb5b945419203d37e4745
[INFO] testing Abhishek8394/rust-tut-minigrep against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhishek8394%2Frust-tut-minigrep" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Abhishek8394/rust-tut-minigrep on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Abhishek8394/rust-tut-minigrep
[INFO] finished tweaking git repo https://github.com/Abhishek8394/rust-tut-minigrep
[INFO] tweaked toml for git repo https://github.com/Abhishek8394/rust-tut-minigrep written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Abhishek8394/rust-tut-minigrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16a17ab082a4b7240346aced8e1af682f6d2116ef3854f25c65f250455a9f5b3
[INFO] running `Command { std: "docker" "start" "-a" "16a17ab082a4b7240346aced8e1af682f6d2116ef3854f25c65f250455a9f5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16a17ab082a4b7240346aced8e1af682f6d2116ef3854f25c65f250455a9f5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a17ab082a4b7240346aced8e1af682f6d2116ef3854f25c65f250455a9f5b3", kill_on_drop: false }`
[INFO] [stdout] 16a17ab082a4b7240346aced8e1af682f6d2116ef3854f25c65f250455a9f5b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa132abb782f7a71227ff0a575d576b4729ed942faa22a4351b5417dd2fe29a5
[INFO] running `Command { std: "docker" "start" "-a" "fa132abb782f7a71227ff0a575d576b4729ed942faa22a4351b5417dd2fe29a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut case_sensitive = ci_arg != String::from("-i");
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "fa132abb782f7a71227ff0a575d576b4729ed942faa22a4351b5417dd2fe29a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa132abb782f7a71227ff0a575d576b4729ed942faa22a4351b5417dd2fe29a5", kill_on_drop: false }`
[INFO] [stdout] fa132abb782f7a71227ff0a575d576b4729ed942faa22a4351b5417dd2fe29a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ca540d0a83408b41135209b2e38533d814062ab12434d0f177589dd103e25af
[INFO] running `Command { std: "docker" "start" "-a" "5ca540d0a83408b41135209b2e38533d814062ab12434d0f177589dd103e25af", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut case_sensitive = ci_arg != String::from("-i");
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut case_sensitive = ci_arg != String::from("-i");
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "5ca540d0a83408b41135209b2e38533d814062ab12434d0f177589dd103e25af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca540d0a83408b41135209b2e38533d814062ab12434d0f177589dd103e25af", kill_on_drop: false }`
[INFO] [stdout] 5ca540d0a83408b41135209b2e38533d814062ab12434d0f177589dd103e25af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 559b84655435ab9493ed4ee982f7b181f54d97360adbf86b5d92fca586bcb815
[INFO] running `Command { std: "docker" "start" "-a" "559b84655435ab9493ed4ee982f7b181f54d97360adbf86b5d92fca586bcb815", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> src/lib.rs:34:13
[INFO] [stdout] test tests::one_result ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stderr] 34 |         let mut case_sensitive = ci_arg != String::from("-i");
[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]    |             |
[INFO] [stdout] 
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 0 tests
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[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] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut case_sensitive = ci_arg != String::from("-i");
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep-e120a217bb9149ce)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep-7a87ff699f8f5b9f)
[INFO] [stderr]    Doc-tests minigrep
[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" "559b84655435ab9493ed4ee982f7b181f54d97360adbf86b5d92fca586bcb815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559b84655435ab9493ed4ee982f7b181f54d97360adbf86b5d92fca586bcb815", kill_on_drop: false }`
[INFO] [stdout] 559b84655435ab9493ed4ee982f7b181f54d97360adbf86b5d92fca586bcb815