[INFO] updating cached repository fitzgen/cgrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fitzgen/cgrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fitzgen/cgrep" "work/ex/beta-1.38-1/sources/1.37.0/gh/fitzgen/cgrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fitzgen/cgrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fitzgen/cgrep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fitzgen/cgrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fitzgen/cgrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e0ce46a4ca8a1f4fc50774035a4d1f28431ea166
[INFO] sha for GitHub repo fitzgen/cgrep: e0ce46a4ca8a1f4fc50774035a4d1f28431ea166
[INFO] validating manifest of fitzgen/cgrep 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 fitzgen/cgrep 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 fitzgen/cgrep
[INFO] finished frobbing fitzgen/cgrep
[INFO] frobbed toml for fitzgen/cgrep written to work/ex/beta-1.38-1/sources/1.37.0/gh/fitzgen/cgrep/Cargo.toml
[INFO] started frobbing fitzgen/cgrep
[INFO] finished frobbing fitzgen/cgrep
[INFO] frobbed toml for fitzgen/cgrep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fitzgen/cgrep/Cargo.toml
[INFO] crate fitzgen/cgrep 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fitzgen/cgrep/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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] testing fitzgen/cgrep 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fitzgen/cgrep:/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] f33be12e49ef1a47bb39774989efc910dee41ce94c7ab19ebc2ed23520db1fa9
[INFO] running `"docker" "start" "-a" "f33be12e49ef1a47bb39774989efc910dee41ce94c7ab19ebc2ed23520db1fa9"`
[INFO] [stderr]    Compiling walker v1.0.1
[INFO] [stderr]    Compiling cgrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `"docker" "inspect" "f33be12e49ef1a47bb39774989efc910dee41ce94c7ab19ebc2ed23520db1fa9"`
[INFO] running `"docker" "rm" "-f" "f33be12e49ef1a47bb39774989efc910dee41ce94c7ab19ebc2ed23520db1fa9"`
[INFO] [stdout] f33be12e49ef1a47bb39774989efc910dee41ce94c7ab19ebc2ed23520db1fa9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fitzgen/cgrep:/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] da92f367ee580f6ca8d4bc4d14c1a6e2a0d215f8174514daa5ad9784c5a8faa0
[INFO] running `"docker" "start" "-a" "da92f367ee580f6ca8d4bc4d14c1a6e2a0d215f8174514daa5ad9784c5a8faa0"`
[INFO] [stderr]    Compiling cgrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "da92f367ee580f6ca8d4bc4d14c1a6e2a0d215f8174514daa5ad9784c5a8faa0"`
[INFO] running `"docker" "rm" "-f" "da92f367ee580f6ca8d4bc4d14c1a6e2a0d215f8174514daa5ad9784c5a8faa0"`
[INFO] [stdout] da92f367ee580f6ca8d4bc4d14c1a6e2a0d215f8174514daa5ad9784c5a8faa0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fitzgen/cgrep:/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] 9dd3dfff422e44ff400f348d4576c80260265dff66c730cdf2220bd9864a3d15
[INFO] running `"docker" "start" "-a" "9dd3dfff422e44ff400f348d4576c80260265dff66c730cdf2220bd9864a3d15"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cgrep-0d3d878eb07d09a7
[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" "9dd3dfff422e44ff400f348d4576c80260265dff66c730cdf2220bd9864a3d15"`
[INFO] running `"docker" "rm" "-f" "9dd3dfff422e44ff400f348d4576c80260265dff66c730cdf2220bd9864a3d15"`
[INFO] [stdout] 9dd3dfff422e44ff400f348d4576c80260265dff66c730cdf2220bd9864a3d15