[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-1.38-1/sources/1.37.0/gh/eduardruzsa/MiniGrep"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/eduardruzsa/MiniGrep'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/eduardruzsa/MiniGrep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eduardruzsa/MiniGrep"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of eduardruzsa/MiniGrep on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing eduardruzsa/MiniGrep against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] ebd6ed7903123cde556dc16cd860f90514296ea814863000a2b8dce968072189 [INFO] running `"docker" "start" "-a" "ebd6ed7903123cde556dc16cd860f90514296ea814863000a2b8dce968072189"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.40 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling regex-syntax v0.5.3 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling aho-corasick v0.6.4 [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 25.77s [INFO] running `"docker" "inspect" "ebd6ed7903123cde556dc16cd860f90514296ea814863000a2b8dce968072189"` [INFO] running `"docker" "rm" "-f" "ebd6ed7903123cde556dc16cd860f90514296ea814863000a2b8dce968072189"` [INFO] [stdout] ebd6ed7903123cde556dc16cd860f90514296ea814863000a2b8dce968072189 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 653687fa1a6f7e2dd6eeac6dc1ba40bf405f76bbee6e240c7d540c1865406c46 [INFO] running `"docker" "start" "-a" "653687fa1a6f7e2dd6eeac6dc1ba40bf405f76bbee6e240c7d540c1865406c46"` [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 1.06s [INFO] running `"docker" "inspect" "653687fa1a6f7e2dd6eeac6dc1ba40bf405f76bbee6e240c7d540c1865406c46"` [INFO] running `"docker" "rm" "-f" "653687fa1a6f7e2dd6eeac6dc1ba40bf405f76bbee6e240c7d540c1865406c46"` [INFO] [stdout] 653687fa1a6f7e2dd6eeac6dc1ba40bf405f76bbee6e240c7d540c1865406c46 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 527751fba84b7836a6c32c37c432121eb0338552cffdffb0a90bee8332223ae5 [INFO] running `"docker" "start" "-a" "527751fba84b7836a6c32c37c432121eb0338552cffdffb0a90bee8332223ae5"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/minigrep-9b63e95236129722 [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] [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] [stderr] Running /opt/crater/target/debug/deps/minigrep-b9cf15e835f7a170 [INFO] [stderr] Doc-tests minigrep [INFO] [stdout] [INFO] [stdout] running 1 test [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] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "527751fba84b7836a6c32c37c432121eb0338552cffdffb0a90bee8332223ae5"` [INFO] running `"docker" "rm" "-f" "527751fba84b7836a6c32c37c432121eb0338552cffdffb0a90bee8332223ae5"` [INFO] [stdout] 527751fba84b7836a6c32c37c432121eb0338552cffdffb0a90bee8332223ae5