[INFO] cloning repository https://github.com/DaviGGA/mini-grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DaviGGA/mini-grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaviGGA%2Fmini-grep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaviGGA%2Fmini-grep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fea166b7fc706486b7e0c7829d7b41e25f5b11de
[INFO] building DaviGGA/mini-grep against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaviGGA%2Fmini-grep" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DaviGGA/mini-grep on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DaviGGA/mini-grep
[INFO] finished tweaking git repo https://github.com/DaviGGA/mini-grep
[INFO] tweaked toml for git repo https://github.com/DaviGGA/mini-grep written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/DaviGGA/mini-grep 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7f5696c1f086710895171fb220b097a60a97878d1679b9cbfbf1d0ac6dd23eb
[INFO] running `Command { std: "docker" "start" "-a" "e7f5696c1f086710895171fb220b097a60a97878d1679b9cbfbf1d0ac6dd23eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7f5696c1f086710895171fb220b097a60a97878d1679b9cbfbf1d0ac6dd23eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f5696c1f086710895171fb220b097a60a97878d1679b9cbfbf1d0ac6dd23eb", kill_on_drop: false }`
[INFO] [stdout] e7f5696c1f086710895171fb220b097a60a97878d1679b9cbfbf1d0ac6dd23eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c85d6e35d31c8af4a7a4c7de3d0f5ddf55f92dad8846b01d98d492ee9dfe7c4
[INFO] running `Command { std: "docker" "start" "-a" "3c85d6e35d31c8af4a7a4c7de3d0f5ddf55f92dad8846b01d98d492ee9dfe7c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `to_lower_case` found for reference `&str` in the current scope
[INFO] [stdout]   --> src/lib.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |   let query_lower_case = query.to_lower_case();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_lowercase` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 30 |   let query_lower_case = query.to_lowercase();
[INFO] [stdout]    |                                ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_lower_case` found for reference `&str` in the current scope
[INFO] [stdout]   --> src/lib.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     if line.to_lower_case().contains(&query) {
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_lowercase` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 33 |     if line.to_lowercase().contains(&query) {
[INFO] [stdout]    |             ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minigrep` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3c85d6e35d31c8af4a7a4c7de3d0f5ddf55f92dad8846b01d98d492ee9dfe7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c85d6e35d31c8af4a7a4c7de3d0f5ddf55f92dad8846b01d98d492ee9dfe7c4", kill_on_drop: false }`
[INFO] [stdout] 3c85d6e35d31c8af4a7a4c7de3d0f5ddf55f92dad8846b01d98d492ee9dfe7c4
