[INFO] updating cached repository https://github.com/davidabernado/based-minigrep
[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] 7b4e7c0b5be8afcb5c8e03b85bf48dec27bc2411
[INFO] checking davidabernado/based-minigrep against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidabernado%2Fbased-minigrep" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidabernado/based-minigrep on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/davidabernado/based-minigrep
[INFO] finished tweaking git repo https://github.com/davidabernado/based-minigrep
[INFO] tweaked toml for git repo https://github.com/davidabernado/based-minigrep written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/davidabernado/based-minigrep already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52d9dbcd73a7d55be9731548f2639635a5eaf63c4151ea4cab32b1ddc117de7e
[INFO] running `"docker" "start" "-a" "52d9dbcd73a7d55be9731548f2639635a5eaf63c4151ea4cab32b1ddc117de7e"`
[INFO] [stderr]     Checking regex v1.0.0
[INFO] [stderr]     Checking based_minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:26:60
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read_file(filename: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:26:60
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read_file(filename: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> tests/test_grep.rs:14:39
[INFO] [stderr]    |
[INFO] [stderr] 14 |             search(&query, &contents, &flag)
[INFO] [stderr]    |                                       ^^^^^ expected enum `based_minigrep::grep::Flag`, found struct `std::string::String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&based_minigrep::grep::Flag`
[INFO] [stderr]               found type `&std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> tests/test_grep.rs:26:39
[INFO] [stderr]    |
[INFO] [stderr] 26 |             search(&query, &contents, &flag),
[INFO] [stderr]    |                                       ^^^^^ expected enum `based_minigrep::grep::Flag`, found struct `std::string::String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&based_minigrep::grep::Flag`
[INFO] [stderr]               found type `&std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `based_minigrep`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "52d9dbcd73a7d55be9731548f2639635a5eaf63c4151ea4cab32b1ddc117de7e"`
[INFO] running `"docker" "rm" "-f" "52d9dbcd73a7d55be9731548f2639635a5eaf63c4151ea4cab32b1ddc117de7e"`
[INFO] [stdout] 52d9dbcd73a7d55be9731548f2639635a5eaf63c4151ea4cab32b1ddc117de7e