[INFO] updating cached repository https://github.com/amgoodfellow/minigrep [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 8bcedf247f1e8cdc6dd13c9ea6a68909b1e04d96 [INFO] testing amgoodfellow/minigrep against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Famgoodfellow%2Fminigrep" "work/builds/worker-2/source"` [INFO] [stderr] Cloning into 'work/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/amgoodfellow/minigrep on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/amgoodfellow/minigrep [INFO] finished tweaking git repo https://github.com/amgoodfellow/minigrep [INFO] tweaked toml for git repo https://github.com/amgoodfellow/minigrep written to work/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/amgoodfellow/minigrep already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] da76e27afa48e9e57fcaa1e20ee13998fe4825f3f49532bcf136bc035b11d022 [INFO] running `"docker" "start" "-a" "da76e27afa48e9e57fcaa1e20ee13998fe4825f3f49532bcf136bc035b11d022"` [INFO] [stderr] Compiling colored v1.6.0 [INFO] [stderr] Compiling minigrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:50:46 [INFO] [stderr] | [INFO] [stderr] 50 | 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] Finished dev [unoptimized + debuginfo] target(s) in 1.39s [INFO] running `"docker" "inspect" "da76e27afa48e9e57fcaa1e20ee13998fe4825f3f49532bcf136bc035b11d022"` [INFO] running `"docker" "rm" "-f" "da76e27afa48e9e57fcaa1e20ee13998fe4825f3f49532bcf136bc035b11d022"` [INFO] [stdout] da76e27afa48e9e57fcaa1e20ee13998fe4825f3f49532bcf136bc035b11d022 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] be6cf2cfe663d11ea9f5f5328e6a0cab8af48b0c6fd43ab7513f58220408ad5a [INFO] running `"docker" "start" "-a" "be6cf2cfe663d11ea9f5f5328e6a0cab8af48b0c6fd43ab7513f58220408ad5a"` [INFO] [stderr] Compiling minigrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:50:46 [INFO] [stderr] | [INFO] [stderr] 50 | 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[E0277]: can't compare `&str` with `(usize, &str)` [INFO] [stderr] --> src/lib.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | assert_eq!(vec!["safe, fast, productive."], search(query, contents)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `&str == (usize, &str)` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::cmp::PartialEq<(usize, &str)>` is not implemented for `&str` [INFO] [stderr] = note: required because of the requirements on the impl of `std::cmp::PartialEq>` for `std::vec::Vec<&str>` [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `minigrep`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "be6cf2cfe663d11ea9f5f5328e6a0cab8af48b0c6fd43ab7513f58220408ad5a"` [INFO] running `"docker" "rm" "-f" "be6cf2cfe663d11ea9f5f5328e6a0cab8af48b0c6fd43ab7513f58220408ad5a"` [INFO] [stdout] be6cf2cfe663d11ea9f5f5328e6a0cab8af48b0c6fd43ab7513f58220408ad5a