[INFO] updating cached repository brson/cargo-index-tool
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brson/cargo-index-tool
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brson/cargo-index-tool" "work/ex/beta-1.38-1/sources/1.37.0/gh/brson/cargo-index-tool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/brson/cargo-index-tool'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brson/cargo-index-tool" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brson/cargo-index-tool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brson/cargo-index-tool'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f695126762a50f37bc42c1f3c6882ca983329c1f
[INFO] sha for GitHub repo brson/cargo-index-tool: f695126762a50f37bc42c1f3c6882ca983329c1f
[INFO] validating manifest of brson/cargo-index-tool 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 brson/cargo-index-tool 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 brson/cargo-index-tool
[INFO] finished frobbing brson/cargo-index-tool
[INFO] frobbed toml for brson/cargo-index-tool written to work/ex/beta-1.38-1/sources/1.37.0/gh/brson/cargo-index-tool/Cargo.toml
[INFO] started frobbing brson/cargo-index-tool
[INFO] finished frobbing brson/cargo-index-tool
[INFO] frobbed toml for brson/cargo-index-tool written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brson/cargo-index-tool/Cargo.toml
[INFO] crate brson/cargo-index-tool 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]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing brson/cargo-index-tool 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/brson/cargo-index-tool:/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] 2d51887cfc7141dd97201412091548eece6497bf5468f23362bfa44ca5ecb32d
[INFO] running `"docker" "start" "-a" "2d51887cfc7141dd97201412091548eece6497bf5468f23362bfa44ca5ecb32d"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling semver v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.10
[INFO] [stderr]    Compiling structopt v0.0.5
[INFO] [stderr]    Compiling backtrace v0.3.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling cargo-index-tool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.57s
[INFO] running `"docker" "inspect" "2d51887cfc7141dd97201412091548eece6497bf5468f23362bfa44ca5ecb32d"`
[INFO] running `"docker" "rm" "-f" "2d51887cfc7141dd97201412091548eece6497bf5468f23362bfa44ca5ecb32d"`
[INFO] [stdout] 2d51887cfc7141dd97201412091548eece6497bf5468f23362bfa44ca5ecb32d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/brson/cargo-index-tool:/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] f02806fe0f281f3d74250c5e096c6bbc4e50d2837ae75a2a104ff6bac4171169
[INFO] running `"docker" "start" "-a" "f02806fe0f281f3d74250c5e096c6bbc4e50d2837ae75a2a104ff6bac4171169"`
[INFO] [stderr]    Compiling cargo-index-tool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "f02806fe0f281f3d74250c5e096c6bbc4e50d2837ae75a2a104ff6bac4171169"`
[INFO] running `"docker" "rm" "-f" "f02806fe0f281f3d74250c5e096c6bbc4e50d2837ae75a2a104ff6bac4171169"`
[INFO] [stdout] f02806fe0f281f3d74250c5e096c6bbc4e50d2837ae75a2a104ff6bac4171169
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/brson/cargo-index-tool:/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] 7611ac624cfebb93959f3d739447bea9b0b41cc9cab078ef9e788b6497b3eeec
[INFO] running `"docker" "start" "-a" "7611ac624cfebb93959f3d739447bea9b0b41cc9cab078ef9e788b6497b3eeec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_index_tool-8a986ebcf34a37b5
[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" "7611ac624cfebb93959f3d739447bea9b0b41cc9cab078ef9e788b6497b3eeec"`
[INFO] running `"docker" "rm" "-f" "7611ac624cfebb93959f3d739447bea9b0b41cc9cab078ef9e788b6497b3eeec"`
[INFO] [stdout] 7611ac624cfebb93959f3d739447bea9b0b41cc9cab078ef9e788b6497b3eeec