[INFO] cloning repository https://github.com/Nakamurus/rust_minigrep [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nakamurus/rust_minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNakamurus%2Frust_minigrep"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNakamurus%2Frust_minigrep'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2a16088428f3ec22196aad4cfc8f91af8d212942 [INFO] checking Nakamurus/rust_minigrep against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNakamurus%2Frust_minigrep" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Nakamurus/rust_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/Nakamurus/rust_minigrep [INFO] finished tweaking git repo https://github.com/Nakamurus/rust_minigrep [INFO] tweaked toml for git repo https://github.com/Nakamurus/rust_minigrep written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/Nakamurus/rust_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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 9dc25c4054e632c2e5755fcdde15b6bb128caef3ed8b4f713ed0ced47bda34a4 [INFO] running `"docker" "start" "-a" "9dc25c4054e632c2e5755fcdde15b6bb128caef3ed8b4f713ed0ced47bda34a4"` [INFO] [stderr] Checking minigrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: expected expression, found `.` [INFO] [stderr] --> src/lib.rs:16:26 [INFO] [stderr] | [INFO] [stderr] 16 | let query = match.args.next() { [INFO] [stderr] | -----^ expected expression [INFO] [stderr] | | [INFO] [stderr] | while parsing this match expression [INFO] [stderr] [INFO] [stderr] error: expected expression, found `.` [INFO] [stderr] --> src/lib.rs:16:26 [INFO] [stderr] | [INFO] [stderr] 16 | let query = match.args.next() { [INFO] [stderr] | -----^ expected expression [INFO] [stderr] | | [INFO] [stderr] | while parsing this match expression [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:46:46 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn run(config: Config) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:46:46 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn run(config: Config) -> Result<(), Box> { [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] --> src/lib.rs:79:10 [INFO] [stderr] | [INFO] [stderr] 79 | / contents.lines() [INFO] [stderr] 80 | | .filter(|line| line.to_lowercase().contains(&query)) [INFO] [stderr] | |_________________________________________________________________^ expected struct `std::vec::Vec`, found struct `std::iter::Filter` [INFO] [stderr] | [INFO] [stderr] = note: expected struct `std::vec::Vec<&'a str>` [INFO] [stderr] found struct `std::iter::Filter, [closure@src/lib.rs:80:22: 80:65 query:_]>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [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[E0308]: mismatched types [INFO] [stderr] --> src/lib.rs:79:10 [INFO] [stderr] | [INFO] [stderr] 79 | / contents.lines() [INFO] [stderr] 80 | | .filter(|line| line.to_lowercase().contains(&query)) [INFO] [stderr] | |_________________________________________________________________^ expected struct `std::vec::Vec`, found struct `std::iter::Filter` [INFO] [stderr] | [INFO] [stderr] = note: expected struct `std::vec::Vec<&'a str>` [INFO] [stderr] found struct `std::iter::Filter, [closure@src/lib.rs:80:22: 80:65 query:_]>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [INFO] [stderr] error: could not compile `minigrep`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "9dc25c4054e632c2e5755fcdde15b6bb128caef3ed8b4f713ed0ced47bda34a4"` [INFO] running `"docker" "rm" "-f" "9dc25c4054e632c2e5755fcdde15b6bb128caef3ed8b4f713ed0ced47bda34a4"` [INFO] [stdout] 9dc25c4054e632c2e5755fcdde15b6bb128caef3ed8b4f713ed0ced47bda34a4