[INFO] updating cached repository g-s-k/rust-book-v2-minigrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/g-s-k/rust-book-v2-minigrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/g-s-k/rust-book-v2-minigrep" "work/ex/beta-1.38-1/sources/1.37.0/gh/g-s-k/rust-book-v2-minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/g-s-k/rust-book-v2-minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/g-s-k/rust-book-v2-minigrep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/g-s-k/rust-book-v2-minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/g-s-k/rust-book-v2-minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] abd2d775c25db5eb91bb95b54b090841585a129a
[INFO] sha for GitHub repo g-s-k/rust-book-v2-minigrep: abd2d775c25db5eb91bb95b54b090841585a129a
[INFO] validating manifest of g-s-k/rust-book-v2-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 g-s-k/rust-book-v2-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 g-s-k/rust-book-v2-minigrep
[INFO] finished frobbing g-s-k/rust-book-v2-minigrep
[INFO] frobbed toml for g-s-k/rust-book-v2-minigrep written to work/ex/beta-1.38-1/sources/1.37.0/gh/g-s-k/rust-book-v2-minigrep/Cargo.toml
[INFO] started frobbing g-s-k/rust-book-v2-minigrep
[INFO] finished frobbing g-s-k/rust-book-v2-minigrep
[INFO] frobbed toml for g-s-k/rust-book-v2-minigrep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/g-s-k/rust-book-v2-minigrep/Cargo.toml
[INFO] crate g-s-k/rust-book-v2-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 g-s-k/rust-book-v2-minigrep against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/g-s-k/rust-book-v2-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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 0d59c842749a5b266280bf8fce6a4946ffa42a5c93c34d086c5c5607daebba84
[INFO] running `"docker" "start" "-a" "0d59c842749a5b266280bf8fce6a4946ffa42a5c93c34d086c5c5607daebba84"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:38:46
[INFO] [stderr]    |
[INFO] [stderr] 38 | 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 1.41s
[INFO] running `"docker" "inspect" "0d59c842749a5b266280bf8fce6a4946ffa42a5c93c34d086c5c5607daebba84"`
[INFO] running `"docker" "rm" "-f" "0d59c842749a5b266280bf8fce6a4946ffa42a5c93c34d086c5c5607daebba84"`
[INFO] [stdout] 0d59c842749a5b266280bf8fce6a4946ffa42a5c93c34d086c5c5607daebba84
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/g-s-k/rust-book-v2-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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] fd6a815c918aa42266ca81a1345d1d095e155a9423f0f587d6120d2ace2d69a1
[INFO] running `"docker" "start" "-a" "fd6a815c918aa42266ca81a1345d1d095e155a9423f0f587d6120d2ace2d69a1"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:38:46
[INFO] [stderr]    |
[INFO] [stderr] 38 | 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 0.89s
[INFO] running `"docker" "inspect" "fd6a815c918aa42266ca81a1345d1d095e155a9423f0f587d6120d2ace2d69a1"`
[INFO] running `"docker" "rm" "-f" "fd6a815c918aa42266ca81a1345d1d095e155a9423f0f587d6120d2ace2d69a1"`
[INFO] [stdout] fd6a815c918aa42266ca81a1345d1d095e155a9423f0f587d6120d2ace2d69a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/g-s-k/rust-book-v2-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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 16e79dcd62b80b3878e1b2f957f88be8cff4d21a7f9fe5707fc9271602b8e518
[INFO] running `"docker" "start" "-a" "16e79dcd62b80b3878e1b2f957f88be8cff4d21a7f9fe5707fc9271602b8e518"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-71f1d2ea303b99d3
[INFO] [stdout] test test::one_result ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-ff2cfaeab7bc6a0d
[INFO] [stdout] test test::case_insensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minigrep
[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 2 tests
[INFO] [stdout] test src/lib.rs - search_case_insensitive (line 85) ... ok
[INFO] [stdout] test src/lib.rs - search (line 61) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "16e79dcd62b80b3878e1b2f957f88be8cff4d21a7f9fe5707fc9271602b8e518"`
[INFO] running `"docker" "rm" "-f" "16e79dcd62b80b3878e1b2f957f88be8cff4d21a7f9fe5707fc9271602b8e518"`
[INFO] [stdout] 16e79dcd62b80b3878e1b2f957f88be8cff4d21a7f9fe5707fc9271602b8e518