[INFO] updating cached repository eduardruzsa/MiniGrep [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/eduardruzsa/MiniGrep [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/eduardruzsa/MiniGrep" "work/ex/beta-1.37-6/sources/1.36.0/gh/eduardruzsa/MiniGrep"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/eduardruzsa/MiniGrep'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/eduardruzsa/MiniGrep" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/eduardruzsa/MiniGrep"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/eduardruzsa/MiniGrep'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7f68f18dd12a32c524295ffd407f9a6fadf50b36 [INFO] sha for GitHub repo eduardruzsa/MiniGrep: 7f68f18dd12a32c524295ffd407f9a6fadf50b36 [INFO] validating manifest of eduardruzsa/MiniGrep on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of eduardruzsa/MiniGrep on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing eduardruzsa/MiniGrep [INFO] finished frobbing eduardruzsa/MiniGrep [INFO] frobbed toml for eduardruzsa/MiniGrep written to work/ex/beta-1.37-6/sources/1.36.0/gh/eduardruzsa/MiniGrep/Cargo.toml [INFO] started frobbing eduardruzsa/MiniGrep [INFO] finished frobbing eduardruzsa/MiniGrep [INFO] frobbed toml for eduardruzsa/MiniGrep written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/eduardruzsa/MiniGrep/Cargo.toml [INFO] crate eduardruzsa/MiniGrep already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing eduardruzsa/MiniGrep against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/eduardruzsa/MiniGrep:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 90262232b642e1986b7fb9c949455d8983a4191b298936157221b45a9cd579d7 [INFO] running `"docker" "start" "-a" "90262232b642e1986b7fb9c949455d8983a4191b298936157221b45a9cd579d7"` [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Compiling minigrep v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:16:53 [INFO] [stderr] | [INFO] [stderr] 16 | fn new(args: Vec) -> 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:55:54 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn grep(args: Vec) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:87:60 [INFO] [stderr] | [INFO] [stderr] 87 | fn read_file(target: &path::PathBuf) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.86s [INFO] running `"docker" "inspect" "90262232b642e1986b7fb9c949455d8983a4191b298936157221b45a9cd579d7"` [INFO] running `"docker" "rm" "-f" "90262232b642e1986b7fb9c949455d8983a4191b298936157221b45a9cd579d7"` [INFO] [stdout] 90262232b642e1986b7fb9c949455d8983a4191b298936157221b45a9cd579d7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/eduardruzsa/MiniGrep:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] db1e59a7b8041d3467623591708843c5df03c8885dfa7e567f7d0f1744764ed5 [INFO] running `"docker" "start" "-a" "db1e59a7b8041d3467623591708843c5df03c8885dfa7e567f7d0f1744764ed5"` [INFO] [stderr] Compiling minigrep v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:16:53 [INFO] [stderr] | [INFO] [stderr] 16 | fn new(args: Vec) -> 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:55:54 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn grep(args: Vec) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:87:60 [INFO] [stderr] | [INFO] [stderr] 87 | fn read_file(target: &path::PathBuf) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.31s [INFO] running `"docker" "inspect" "db1e59a7b8041d3467623591708843c5df03c8885dfa7e567f7d0f1744764ed5"` [INFO] running `"docker" "rm" "-f" "db1e59a7b8041d3467623591708843c5df03c8885dfa7e567f7d0f1744764ed5"` [INFO] [stdout] db1e59a7b8041d3467623591708843c5df03c8885dfa7e567f7d0f1744764ed5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/eduardruzsa/MiniGrep:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] ecc02ea29a2fec3556e9f71223a9f926f0e2d3c8499f136ade10d66689313aed [INFO] running `"docker" "start" "-a" "ecc02ea29a2fec3556e9f71223a9f926f0e2d3c8499f136ade10d66689313aed"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/minigrep-dff44cac2651411e [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/minigrep-b90200471d9c6e0a [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests minigrep [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stdout] test src/lib.rs - grep (line 32) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - grep (line 32) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `process` [INFO] [stdout] --> src/lib.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 16 | process::exit(1); [INFO] [stdout] | ^^^^^^^ use of undeclared type or module `process` [INFO] [stdout] [INFO] [stdout] error[E0600]: cannot apply unary operator `!` to type `[&str; 3]` [INFO] [stdout] --> src/lib.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 11 | let args = !["/path/", "target_file.txt", "This"]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot apply unary operator `!` [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0433, E0600. [INFO] [stdout] For more information about an error, try `rustc --explain E0433`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - grep (line 32) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "ecc02ea29a2fec3556e9f71223a9f926f0e2d3c8499f136ade10d66689313aed"` [INFO] running `"docker" "rm" "-f" "ecc02ea29a2fec3556e9f71223a9f926f0e2d3c8499f136ade10d66689313aed"` [INFO] [stdout] ecc02ea29a2fec3556e9f71223a9f926f0e2d3c8499f136ade10d66689313aed