[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#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidabernado%2Fbased-minigrep" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davidabernado/based-minigrep on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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-0/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 41bcd34d93362f0d3e7074a4d3bdfe6f2157a88b5c2964c6eee795e1169056da [INFO] running `"docker" "start" "-a" "41bcd34d93362f0d3e7074a4d3bdfe6f2157a88b5c2964c6eee795e1169056da"` [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking regex-syntax v0.6.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rayon v1.0.1 [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> { [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> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [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 reference `&based_minigrep::grep::Flag` [INFO] [stderr] found reference `&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 reference `&based_minigrep::grep::Flag` [INFO] [stderr] found reference `&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" "41bcd34d93362f0d3e7074a4d3bdfe6f2157a88b5c2964c6eee795e1169056da"` [INFO] running `"docker" "rm" "-f" "41bcd34d93362f0d3e7074a4d3bdfe6f2157a88b5c2964c6eee795e1169056da"` [INFO] [stdout] 41bcd34d93362f0d3e7074a4d3bdfe6f2157a88b5c2964c6eee795e1169056da