[INFO] updating cached repository https://github.com/lamogura/minigrep.rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 48291a489f620e97ac9212550ecee9a8a94080a4
[INFO] checking lamogura/minigrep.rs against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flamogura%2Fminigrep.rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lamogura/minigrep.rs on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lamogura/minigrep.rs
[INFO] finished tweaking git repo https://github.com/lamogura/minigrep.rs
[INFO] tweaked toml for git repo https://github.com/lamogura/minigrep.rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/lamogura/minigrep.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 40031db209ae987f89eb44caddb26259135842189c132783923e05052d55e437
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "40031db209ae987f89eb44caddb26259135842189c132783923e05052d55e437"`
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: expected a `std::ops::FnMut<(char,)>` closure, found `std::string::String`
[INFO] [stderr]   --> src/lib.rs:41:34
[INFO] [stderr]    |
[INFO] [stderr] 41 |     .filter(|line| line.contains(query))
[INFO] [stderr]    |                                  ^^^^^
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  expected an implementor of trait `std::str::pattern::Pattern<'_>`
[INFO] [stderr]    |                                  help: consider borrowing here: `&query`
[INFO] [stderr]    |
[INFO] [stderr]    = note: the trait bound `std::string::String: std::str::pattern::Pattern<'_>` is not satisfied
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::str::pattern::Pattern<'_>` for `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: a value of type `std::vec::Vec<&str>` cannot be built from an iterator over elements of type `std::string::String`
[INFO] [stderr]   --> src/lib.rs:42:6
[INFO] [stderr]    |
[INFO] [stderr] 42 |     .collect()
[INFO] [stderr]    |      ^^^^^^^ value of type `std::vec::Vec<&str>` cannot be built from `std::iter::Iterator<Item=std::string::String>`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::FromIterator<std::string::String>` is not implemented for `std::vec::Vec<&str>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error[E0277]: expected a `std::ops::FnMut<(char,)>` closure, found `std::string::String`
[INFO] [stderr]   --> src/lib.rs:41:34
[INFO] [stderr]    |
[INFO] [stderr] 41 |     .filter(|line| line.contains(query))
[INFO] [stderr]    |                                  ^^^^^
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  expected an implementor of trait `std::str::pattern::Pattern<'_>`
[INFO] [stderr]    |                                  help: consider borrowing here: `&query`
[INFO] [stderr]    |
[INFO] [stderr]    = note: the trait bound `std::string::String: std::str::pattern::Pattern<'_>` is not satisfied
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::str::pattern::Pattern<'_>` for `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `minigrep`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: a value of type `std::vec::Vec<&str>` cannot be built from an iterator over elements of type `std::string::String`
[INFO] [stderr]   --> src/lib.rs:42:6
[INFO] [stderr]    |
[INFO] [stderr] 42 |     .collect()
[INFO] [stderr]    |      ^^^^^^^ value of type `std::vec::Vec<&str>` cannot be built from `std::iter::Iterator<Item=std::string::String>`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::FromIterator<std::string::String>` is not implemented for `std::vec::Vec<&str>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `minigrep`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "40031db209ae987f89eb44caddb26259135842189c132783923e05052d55e437"`
[INFO] running `"docker" "rm" "-f" "40031db209ae987f89eb44caddb26259135842189c132783923e05052d55e437"`
[INFO] [stdout] 40031db209ae987f89eb44caddb26259135842189c132783923e05052d55e437
