[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] fixing sum1t-here/rust_study_labs against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsum1t-here%2Frust_study_labs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sum1t-here/rust_study_labs on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5f55fd0e6a0e5df3f153431f5aacfdd8c31f666c08fa23251625dfc382d7feb0
[INFO] running `Command { std: "docker" "start" "5f55fd0e6a0e5df3f153431f5aacfdd8c31f666c08fa23251625dfc382d7feb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5f55fd0e6a0e5df3f153431f5aacfdd8c31f666c08fa23251625dfc382d7feb0" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f55fd0e6a0e5df3f153431f5aacfdd8c31f666c08fa23251625dfc382d7feb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5f55fd0e6a0e5df3f153431f5aacfdd8c31f666c08fa23251625dfc382d7feb0" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
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[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] 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] 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] [stderr] warning: build failed, waiting for other jobs to finish...
[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" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "5f55fd0e6a0e5df3f153431f5aacfdd8c31f666c08fa23251625dfc382d7feb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f55fd0e6a0e5df3f153431f5aacfdd8c31f666c08fa23251625dfc382d7feb0", kill_on_drop: false }`
[INFO] [stdout] 5f55fd0e6a0e5df3f153431f5aacfdd8c31f666c08fa23251625dfc382d7feb0
