[INFO] updating cached repository openriceworks/rust_grep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/openriceworks/rust_grep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/openriceworks/rust_grep" "work/ex/beta-1.38-1/sources/1.37.0/gh/openriceworks/rust_grep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/openriceworks/rust_grep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/openriceworks/rust_grep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/openriceworks/rust_grep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/openriceworks/rust_grep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 400dde6535de11c95f78930ad7d3e468e5ad35e0
[INFO] sha for GitHub repo openriceworks/rust_grep: 400dde6535de11c95f78930ad7d3e468e5ad35e0
[INFO] validating manifest of openriceworks/rust_grep 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 openriceworks/rust_grep 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 openriceworks/rust_grep
[INFO] finished frobbing openriceworks/rust_grep
[INFO] frobbed toml for openriceworks/rust_grep written to work/ex/beta-1.38-1/sources/1.37.0/gh/openriceworks/rust_grep/Cargo.toml
[INFO] started frobbing openriceworks/rust_grep
[INFO] finished frobbing openriceworks/rust_grep
[INFO] frobbed toml for openriceworks/rust_grep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/openriceworks/rust_grep/Cargo.toml
[INFO] crate openriceworks/rust_grep 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 openriceworks/rust_grep 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/openriceworks/rust_grep:/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] 17bccefdf2ba42beb72dcbaeebfe65e97e2f06899726ed815c43bbe8a1dbf10b
[INFO] running `"docker" "start" "-a" "17bccefdf2ba42beb72dcbaeebfe65e97e2f06899726ed815c43bbe8a1dbf10b"`
[INFO] [stderr]    Compiling grep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "17bccefdf2ba42beb72dcbaeebfe65e97e2f06899726ed815c43bbe8a1dbf10b"`
[INFO] running `"docker" "rm" "-f" "17bccefdf2ba42beb72dcbaeebfe65e97e2f06899726ed815c43bbe8a1dbf10b"`
[INFO] [stdout] 17bccefdf2ba42beb72dcbaeebfe65e97e2f06899726ed815c43bbe8a1dbf10b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/openriceworks/rust_grep:/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] 9e7c27fef7b9eefe75567a99c82d98401eb467d76901091a30bc95efe6732140
[INFO] running `"docker" "start" "-a" "9e7c27fef7b9eefe75567a99c82d98401eb467d76901091a30bc95efe6732140"`
[INFO] [stderr]    Compiling grep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "9e7c27fef7b9eefe75567a99c82d98401eb467d76901091a30bc95efe6732140"`
[INFO] running `"docker" "rm" "-f" "9e7c27fef7b9eefe75567a99c82d98401eb467d76901091a30bc95efe6732140"`
[INFO] [stdout] 9e7c27fef7b9eefe75567a99c82d98401eb467d76901091a30bc95efe6732140
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/openriceworks/rust_grep:/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] d88cee6052a3d616f948b405b0e4b81eee3154e95553a212b672242203918f49
[INFO] running `"docker" "start" "-a" "d88cee6052a3d616f948b405b0e4b81eee3154e95553a212b672242203918f49"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/grep-67952fb1257cf976
[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" "d88cee6052a3d616f948b405b0e4b81eee3154e95553a212b672242203918f49"`
[INFO] running `"docker" "rm" "-f" "d88cee6052a3d616f948b405b0e4b81eee3154e95553a212b672242203918f49"`
[INFO] [stdout] d88cee6052a3d616f948b405b0e4b81eee3154e95553a212b672242203918f49