[INFO] crate alex-minigrep 0.1.0 is already in cache
[INFO] extracting crate alex-minigrep 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/alex-minigrep/0.1.0
[INFO] extracting crate alex-minigrep 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/alex-minigrep/0.1.0
[INFO] validating manifest of alex-minigrep-0.1.0 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 alex-minigrep-0.1.0 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 alex-minigrep-0.1.0
[INFO] finished frobbing alex-minigrep-0.1.0
[INFO] frobbed toml for alex-minigrep-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/alex-minigrep/0.1.0/Cargo.toml
[INFO] started frobbing alex-minigrep-0.1.0
[INFO] finished frobbing alex-minigrep-0.1.0
[INFO] frobbed toml for alex-minigrep-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/alex-minigrep/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing alex-minigrep-0.1.0 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/reg/alex-minigrep/0.1.0:/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] 93acaed2fe113ef822dde9079e6cf4bddbc31a98c6268d10d1d7fc485db3fa5c
[INFO] running `"docker" "start" "-a" "93acaed2fe113ef822dde9079e6cf4bddbc31a98c6268d10d1d7fc485db3fa5c"`
[INFO] [stderr]    Compiling alex-minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:11:46
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[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 1.49s
[INFO] running `"docker" "inspect" "93acaed2fe113ef822dde9079e6cf4bddbc31a98c6268d10d1d7fc485db3fa5c"`
[INFO] running `"docker" "rm" "-f" "93acaed2fe113ef822dde9079e6cf4bddbc31a98c6268d10d1d7fc485db3fa5c"`
[INFO] [stdout] 93acaed2fe113ef822dde9079e6cf4bddbc31a98c6268d10d1d7fc485db3fa5c
[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/reg/alex-minigrep/0.1.0:/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] 447cec4f0793d9f7ba78a28e501ed18ba4a9fe82b56a59759c4aedac579dbaac
[INFO] running `"docker" "start" "-a" "447cec4f0793d9f7ba78a28e501ed18ba4a9fe82b56a59759c4aedac579dbaac"`
[INFO] [stderr]    Compiling alex-minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:11:46
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[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 1.38s
[INFO] running `"docker" "inspect" "447cec4f0793d9f7ba78a28e501ed18ba4a9fe82b56a59759c4aedac579dbaac"`
[INFO] running `"docker" "rm" "-f" "447cec4f0793d9f7ba78a28e501ed18ba4a9fe82b56a59759c4aedac579dbaac"`
[INFO] [stdout] 447cec4f0793d9f7ba78a28e501ed18ba4a9fe82b56a59759c4aedac579dbaac
[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/reg/alex-minigrep/0.1.0:/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] fe573e86cfa0d333493284b857d8058c3bb3232a987854fa7234027bd11c682d
[INFO] running `"docker" "start" "-a" "fe573e86cfa0d333493284b857d8058c3bb3232a987854fa7234027bd11c682d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/alex_minigrep-369b19e6012997ca
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::case_insensitive ... ok
[INFO] [stdout] test test::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/alex_minigrep-0896bcf430795b93
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alex-minigrep
[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 1 test
[INFO] [stdout] test src/lib.rs - search_case_insensitive (line 42) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - search_case_insensitive (line 42) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `minigrep`
[INFO] [stdout]  --> src/lib.rs:49:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | assert_eq!(vec!["Foo Bar"], minigrep::search_case_insensitive(&query, &content));
[INFO] [stdout]   |                             ^^^^^^^^ use of undeclared type or module `minigrep`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - search_case_insensitive (line 42)
[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" "fe573e86cfa0d333493284b857d8058c3bb3232a987854fa7234027bd11c682d"`
[INFO] running `"docker" "rm" "-f" "fe573e86cfa0d333493284b857d8058c3bb3232a987854fa7234027bd11c682d"`
[INFO] [stdout] fe573e86cfa0d333493284b857d8058c3bb3232a987854fa7234027bd11c682d