[INFO] cloning repository https://github.com/JonathanRolon/contarPalabrasConcurrente1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JonathanRolon/contarPalabrasConcurrente1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanRolon%2FcontarPalabrasConcurrente1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanRolon%2FcontarPalabrasConcurrente1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 629d2ba3c5b4dd6a8091920725357e9ff8ec2bbd
[INFO] checking JonathanRolon/contarPalabrasConcurrente1 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanRolon%2FcontarPalabrasConcurrente1" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JonathanRolon/contarPalabrasConcurrente1 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JonathanRolon/contarPalabrasConcurrente1
[INFO] finished tweaking git repo https://github.com/JonathanRolon/contarPalabrasConcurrente1
[INFO] tweaked toml for git repo https://github.com/JonathanRolon/contarPalabrasConcurrente1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JonathanRolon/contarPalabrasConcurrente1 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" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76db007ef74aee683cf0673636e8ea7b7155642bd08b8fce21012939af3dc9ed
[INFO] running `Command { std: "docker" "start" "-a" "76db007ef74aee683cf0673636e8ea7b7155642bd08b8fce21012939af3dc9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76db007ef74aee683cf0673636e8ea7b7155642bd08b8fce21012939af3dc9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76db007ef74aee683cf0673636e8ea7b7155642bd08b8fce21012939af3dc9ed", kill_on_drop: false }`
[INFO] [stdout] 76db007ef74aee683cf0673636e8ea7b7155642bd08b8fce21012939af3dc9ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd88609456ab1be85e0f39a40f21627f7cde76298a7f2ceb27fdca6791998253
[INFO] running `Command { std: "docker" "start" "-a" "cd88609456ab1be85e0f39a40f21627f7cde76298a7f2ceb27fdca6791998253", kill_on_drop: false }`
[INFO] [stderr]     Checking contar_palabras_concurrente v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/file_handler.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |         sync::{Arc, Mutex},
[INFO] [stdout]   |                ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/file_handler.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |         sync::{Arc, Mutex},
[INFO] [stdout]   |                ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/file_handler.rs:27:42
[INFO] [stdout]    |
[INFO] [stdout] 27 |                         let pa2 = palabra.clone().to_lowercase().to_string();
[INFO] [stdout]    |                                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/file_handler.rs:27:42
[INFO] [stdout]    |
[INFO] [stdout] 27 |                         let pa2 = palabra.clone().to_lowercase().to_string();
[INFO] [stdout]    |                                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `contar_palabras_concurrente` (bin "contar_palabras_concurrente") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `contar_palabras_concurrente` (bin "contar_palabras_concurrente" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "cd88609456ab1be85e0f39a40f21627f7cde76298a7f2ceb27fdca6791998253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd88609456ab1be85e0f39a40f21627f7cde76298a7f2ceb27fdca6791998253", kill_on_drop: false }`
[INFO] [stdout] cd88609456ab1be85e0f39a40f21627f7cde76298a7f2ceb27fdca6791998253