[INFO] cloning repository https://github.com/sum1t-here/rust_study_labs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sum1t-here/rust_study_labs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsum1t-here%2Frust_study_labs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsum1t-here%2Frust_study_labs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e995e0db3408604cb2c080f11fade090737d427d
[INFO] testing sum1t-here/rust_study_labs against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsum1t-here%2Frust_study_labs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sum1t-here/rust_study_labs
[INFO] finished tweaking git repo https://github.com/sum1t-here/rust_study_labs
[INFO] tweaked toml for git repo https://github.com/sum1t-here/rust_study_labs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sum1t-here/rust_study_labs on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sum1t-here/rust_study_labs 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dfa4368dbce0d477bd1c3ba3b32097328e1fa44860e32e29f0dfa94ebcec4fa
[INFO] running `Command { std: "docker" "start" "-a" "6dfa4368dbce0d477bd1c3ba3b32097328e1fa44860e32e29f0dfa94ebcec4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dfa4368dbce0d477bd1c3ba3b32097328e1fa44860e32e29f0dfa94ebcec4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dfa4368dbce0d477bd1c3ba3b32097328e1fa44860e32e29f0dfa94ebcec4fa", kill_on_drop: false }`
[INFO] [stdout] 6dfa4368dbce0d477bd1c3ba3b32097328e1fa44860e32e29f0dfa94ebcec4fa
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32a65aad137b4a3f65cb41b07e176d4ee9d3b072b2aaeed0d6d556cff47dc240
[INFO] running `Command { std: "docker" "start" "-a" "32a65aad137b4a3f65cb41b07e176d4ee9d3b072b2aaeed0d6d556cff47dc240", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rust_study_labs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `rustlings`
[INFO] [stdout]  --> src/books/the_rust_programming_language/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod rustlings;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `rustlings`, create file "src/books/the_rust_programming_language/rustlings.rs" or "src/books/the_rust_programming_language/rustlings/mod.rs"
[INFO] [stdout]   = note: if there is a `mod rustlings` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/books/the_rust_programming_language/chapters/ch17_fundamentals_of_async_programming/mod.rs:448:50
[INFO] [stdout]     |
[INFO] [stdout] 448 |         let mut filtered = stream.filter(|value| (value % 3 == 0 || value % 5 == 0));
[INFO] [stdout]     |                                                  ^                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 448 -         let mut filtered = stream.filter(|value| (value % 3 == 0 || value % 5 == 0));
[INFO] [stdout] 448 +         let mut filtered = stream.filter(|value| value % 3 == 0 || value % 5 == 0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_study_labs` (bin "rust_study_labs") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "32a65aad137b4a3f65cb41b07e176d4ee9d3b072b2aaeed0d6d556cff47dc240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a65aad137b4a3f65cb41b07e176d4ee9d3b072b2aaeed0d6d556cff47dc240", kill_on_drop: false }`
[INFO] [stdout] 32a65aad137b4a3f65cb41b07e176d4ee9d3b072b2aaeed0d6d556cff47dc240