[INFO] cloning repository https://github.com/lamogura/minigrep.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lamogura/minigrep.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flamogura%2Fminigrep.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flamogura%2Fminigrep.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48291a489f620e97ac9212550ecee9a8a94080a4
[INFO] testing lamogura/minigrep.rs against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flamogura%2Fminigrep.rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lamogura/minigrep.rs on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-14/source/Cargo.toml
[INFO] crate git repo https://github.com/lamogura/minigrep.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ac5ee48a9943b24f788cd691ca5c861085c0322720166922d6e91bfac9176a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3ac5ee48a9943b24f788cd691ca5c861085c0322720166922d6e91bfac9176a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ac5ee48a9943b24f788cd691ca5c861085c0322720166922d6e91bfac9176a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac5ee48a9943b24f788cd691ca5c861085c0322720166922d6e91bfac9176a6", kill_on_drop: false }`
[INFO] [stdout] 3ac5ee48a9943b24f788cd691ca5c861085c0322720166922d6e91bfac9176a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b8cb2294d902eb0c953898a8af67e1160d9630a43a86be07da21807f2379863
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3b8cb2294d902eb0c953898a8af67e1160d9630a43a86be07da21807f2379863", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: expected a `std::ops::FnMut<(char,)>` closure, found `std::string::String`
[INFO] [stdout]   --> src/lib.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |     .filter(|line| line.contains(query))
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  expected an implementor of trait `std::str::pattern::Pattern<'_>`
[INFO] [stdout]    |                                  help: consider borrowing here: `&query`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the trait bound `std::string::String: std::str::pattern::Pattern<'_>` is not satisfied
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::str::pattern::Pattern<'_>` for `std::string::String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `std::vec::Vec<&str>` cannot be built from an iterator over elements of type `std::string::String`
[INFO] [stdout]   --> src/lib.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 |     .collect()
[INFO] [stdout]    |      ^^^^^^^ value of type `std::vec::Vec<&str>` cannot be built from `std::iter::Iterator<Item=std::string::String>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::iter::FromIterator<std::string::String>` is not implemented for `std::vec::Vec<&str>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minigrep`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3b8cb2294d902eb0c953898a8af67e1160d9630a43a86be07da21807f2379863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8cb2294d902eb0c953898a8af67e1160d9630a43a86be07da21807f2379863", kill_on_drop: false }`
[INFO] [stdout] 3b8cb2294d902eb0c953898a8af67e1160d9630a43a86be07da21807f2379863
