[INFO] updating cached repository g178253/Learn_Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/g178253/Learn_Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/g178253/Learn_Rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/g178253/Learn_Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/g178253/Learn_Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/g178253/Learn_Rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/g178253/Learn_Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/g178253/Learn_Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e90a9422c7dc4cf78614be9adfc7bd9fa49a2941
[INFO] sha for GitHub repo g178253/Learn_Rust: e90a9422c7dc4cf78614be9adfc7bd9fa49a2941
[INFO] validating manifest of g178253/Learn_Rust 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 g178253/Learn_Rust 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 g178253/Learn_Rust
[INFO] finished frobbing g178253/Learn_Rust
[INFO] frobbed toml for g178253/Learn_Rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/g178253/Learn_Rust/Cargo.toml
[INFO] started frobbing g178253/Learn_Rust
[INFO] finished frobbing g178253/Learn_Rust
[INFO] frobbed toml for g178253/Learn_Rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/g178253/Learn_Rust/Cargo.toml
[INFO] crate g178253/Learn_Rust 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 g178253/Learn_Rust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/g178253/Learn_Rust:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] ff9dba44dd7694375ef51cd5ed29626cec785d6e5d90c2e77fc2ea2e44f40a59
[INFO] running `"docker" "start" "-a" "ff9dba44dd7694375ef51cd5ed29626cec785d6e5d90c2e77fc2ea2e44f40a59"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "ff9dba44dd7694375ef51cd5ed29626cec785d6e5d90c2e77fc2ea2e44f40a59"`
[INFO] running `"docker" "rm" "-f" "ff9dba44dd7694375ef51cd5ed29626cec785d6e5d90c2e77fc2ea2e44f40a59"`
[INFO] [stdout] ff9dba44dd7694375ef51cd5ed29626cec785d6e5d90c2e77fc2ea2e44f40a59
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/g178253/Learn_Rust:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ea4fdc66faaa43b12a5f930d430984737430e9d71a6faa1115c9d9ae03451378
[INFO] running `"docker" "start" "-a" "ea4fdc66faaa43b12a5f930d430984737430e9d71a6faa1115c9d9ae03451378"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "ea4fdc66faaa43b12a5f930d430984737430e9d71a6faa1115c9d9ae03451378"`
[INFO] running `"docker" "rm" "-f" "ea4fdc66faaa43b12a5f930d430984737430e9d71a6faa1115c9d9ae03451378"`
[INFO] [stdout] ea4fdc66faaa43b12a5f930d430984737430e9d71a6faa1115c9d9ae03451378
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/g178253/Learn_Rust:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 2547fabc8b688d130dcc9d4269cdd599b66e5b1d2d51c5bde8c0c04581d6a24c
[INFO] running `"docker" "start" "-a" "2547fabc8b688d130dcc9d4269cdd599b66e5b1d2d51c5bde8c0c04581d6a24c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-ff177ee8f5f85702
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::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/minigrep-fcb5693f8a7546cf
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lib::tests::case_insensitive ... ok
[INFO] [stdout] test lib::tests::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]    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" "2547fabc8b688d130dcc9d4269cdd599b66e5b1d2d51c5bde8c0c04581d6a24c"`
[INFO] running `"docker" "rm" "-f" "2547fabc8b688d130dcc9d4269cdd599b66e5b1d2d51c5bde8c0c04581d6a24c"`
[INFO] [stdout] 2547fabc8b688d130dcc9d4269cdd599b66e5b1d2d51c5bde8c0c04581d6a24c