[INFO] cloning repository https://github.com/LevitKanner/Minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LevitKanner/Minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitKanner%2FMinigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitKanner%2FMinigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90331113b9107fc4b1848994465ce673b1cd465b
[INFO] testing LevitKanner/Minigrep against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitKanner%2FMinigrep" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LevitKanner/Minigrep on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LevitKanner/Minigrep
[INFO] finished tweaking git repo https://github.com/LevitKanner/Minigrep
[INFO] tweaked toml for git repo https://github.com/LevitKanner/Minigrep written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/LevitKanner/Minigrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6a8afaf5516112242266862e3e964b071ae3fdd9734120df4572e91934f5a74c
[INFO] running `Command { std: "docker" "start" "-a" "6a8afaf5516112242266862e3e964b071ae3fdd9734120df4572e91934f5a74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a8afaf5516112242266862e3e964b071ae3fdd9734120df4572e91934f5a74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8afaf5516112242266862e3e964b071ae3fdd9734120df4572e91934f5a74c", kill_on_drop: false }`
[INFO] [stdout] 6a8afaf5516112242266862e3e964b071ae3fdd9734120df4572e91934f5a74c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 787145c0ada91d386d895731f138df5e50945748a36d2e03ba4b71d773139fcd
[INFO] running `Command { std: "docker" "start" "-a" "787145c0ada91d386d895731f138df5e50945748a36d2e03ba4b71d773139fcd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: expected a `FnMut<(char,)>` closure, found `String`
[INFO] [stdout]   --> src/lib.rs:66:34
[INFO] [stdout]    |
[INFO] [stdout] 66 |     .filter(|line| line.contains(query))
[INFO] [stdout]    |                         -------- ^^^^^ expected an implementor of trait `Pattern<'_>`
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the trait bound `String: Pattern<'_>` is not satisfied
[INFO] [stdout]    = note: required because of the requirements on the impl of `Pattern<'_>` for `String`
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 66 |     .filter(|line| line.contains(&query))
[INFO] [stdout]    |                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "787145c0ada91d386d895731f138df5e50945748a36d2e03ba4b71d773139fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787145c0ada91d386d895731f138df5e50945748a36d2e03ba4b71d773139fcd", kill_on_drop: false }`
[INFO] [stdout] 787145c0ada91d386d895731f138df5e50945748a36d2e03ba4b71d773139fcd