[INFO] updating cached repository dguo/rust-book-minigrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dguo/rust-book-minigrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dguo/rust-book-minigrep" "work/ex/beta-1.38-1/sources/1.37.0/gh/dguo/rust-book-minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dguo/rust-book-minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dguo/rust-book-minigrep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dguo/rust-book-minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dguo/rust-book-minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6cccfbade68ef15985873ddcd95f4464790602ce
[INFO] sha for GitHub repo dguo/rust-book-minigrep: 6cccfbade68ef15985873ddcd95f4464790602ce
[INFO] validating manifest of dguo/rust-book-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 dguo/rust-book-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 dguo/rust-book-minigrep
[INFO] finished frobbing dguo/rust-book-minigrep
[INFO] frobbed toml for dguo/rust-book-minigrep written to work/ex/beta-1.38-1/sources/1.37.0/gh/dguo/rust-book-minigrep/Cargo.toml
[INFO] started frobbing dguo/rust-book-minigrep
[INFO] finished frobbing dguo/rust-book-minigrep
[INFO] frobbed toml for dguo/rust-book-minigrep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dguo/rust-book-minigrep/Cargo.toml
[INFO] crate dguo/rust-book-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 dguo/rust-book-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-7/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/dguo/rust-book-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] 644b22a7f297e503672eb0542cabfc94db05d3b5f584dcf41a067e5745601164
[INFO] running `"docker" "start" "-a" "644b22a7f297e503672eb0542cabfc94db05d3b5f584dcf41a067e5745601164"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "644b22a7f297e503672eb0542cabfc94db05d3b5f584dcf41a067e5745601164"`
[INFO] running `"docker" "rm" "-f" "644b22a7f297e503672eb0542cabfc94db05d3b5f584dcf41a067e5745601164"`
[INFO] [stdout] 644b22a7f297e503672eb0542cabfc94db05d3b5f584dcf41a067e5745601164
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/dguo/rust-book-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] cf8fe2321ab7d0f39bcfd89a21c1f6bffc466f4722b213aa1e60e1ee39117f9b
[INFO] running `"docker" "start" "-a" "cf8fe2321ab7d0f39bcfd89a21c1f6bffc466f4722b213aa1e60e1ee39117f9b"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "cf8fe2321ab7d0f39bcfd89a21c1f6bffc466f4722b213aa1e60e1ee39117f9b"`
[INFO] running `"docker" "rm" "-f" "cf8fe2321ab7d0f39bcfd89a21c1f6bffc466f4722b213aa1e60e1ee39117f9b"`
[INFO] [stdout] cf8fe2321ab7d0f39bcfd89a21c1f6bffc466f4722b213aa1e60e1ee39117f9b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/dguo/rust-book-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] 6a7c14768fafe12c65c04e76de626bca8f6b83ec26f2def8ecf65ff42a12c70c
[INFO] running `"docker" "start" "-a" "6a7c14768fafe12c65c04e76de626bca8f6b83ec26f2def8ecf65ff42a12c70c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-71f1d2ea303b99d3
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::case_sensitive ... ok
[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]      Running /opt/crater/target/debug/deps/minigrep-ff2cfaeab7bc6a0d
[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]    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] running `"docker" "inspect" "6a7c14768fafe12c65c04e76de626bca8f6b83ec26f2def8ecf65ff42a12c70c"`
[INFO] running `"docker" "rm" "-f" "6a7c14768fafe12c65c04e76de626bca8f6b83ec26f2def8ecf65ff42a12c70c"`
[INFO] [stdout] 6a7c14768fafe12c65c04e76de626bca8f6b83ec26f2def8ecf65ff42a12c70c