[INFO] updating cached repository royaldark/grit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/royaldark/grit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/royaldark/grit" "work/ex/beta-1.38-1/sources/1.37.0/gh/royaldark/grit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/royaldark/grit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/royaldark/grit" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/royaldark/grit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/royaldark/grit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 49b8c02ccb47d2585a0dd0839db40257550ffd91
[INFO] sha for GitHub repo royaldark/grit: 49b8c02ccb47d2585a0dd0839db40257550ffd91
[INFO] validating manifest of royaldark/grit 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 royaldark/grit 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 royaldark/grit
[INFO] finished frobbing royaldark/grit
[INFO] frobbed toml for royaldark/grit written to work/ex/beta-1.38-1/sources/1.37.0/gh/royaldark/grit/Cargo.toml
[INFO] started frobbing royaldark/grit
[INFO] finished frobbing royaldark/grit
[INFO] frobbed toml for royaldark/grit written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/royaldark/grit/Cargo.toml
[INFO] crate royaldark/grit 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 royaldark/grit 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/royaldark/grit:/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] 8f3e5d08d4ce4ccbec1e4d1e8e06d377260074fe20668b79d8ab89d4e8764050
[INFO] running `"docker" "start" "-a" "8f3e5d08d4ce4ccbec1e4d1e8e06d377260074fe20668b79d8ab89d4e8764050"`
[INFO] [stderr]    Compiling grit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]  --> src/commands/update_index.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn update_index(path: &Path, opts: UpdateIndexOpts) {}
[INFO] [stderr]   |                     ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opts`
[INFO] [stderr]  --> src/commands/update_index.rs:7:34
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn update_index(path: &Path, opts: UpdateIndexOpts) {}
[INFO] [stderr]   |                                  ^^^^ help: consider prefixing with an underscore: `_opts`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "8f3e5d08d4ce4ccbec1e4d1e8e06d377260074fe20668b79d8ab89d4e8764050"`
[INFO] running `"docker" "rm" "-f" "8f3e5d08d4ce4ccbec1e4d1e8e06d377260074fe20668b79d8ab89d4e8764050"`
[INFO] [stdout] 8f3e5d08d4ce4ccbec1e4d1e8e06d377260074fe20668b79d8ab89d4e8764050
[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/royaldark/grit:/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] 2a33e68385b588cad47ed5e4f71b9397116e8700bc0df85666034d466294dc1f
[INFO] running `"docker" "start" "-a" "2a33e68385b588cad47ed5e4f71b9397116e8700bc0df85666034d466294dc1f"`
[INFO] [stderr]    Compiling grit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]  --> src/commands/update_index.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn update_index(path: &Path, opts: UpdateIndexOpts) {}
[INFO] [stderr]   |                     ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opts`
[INFO] [stderr]  --> src/commands/update_index.rs:7:34
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn update_index(path: &Path, opts: UpdateIndexOpts) {}
[INFO] [stderr]   |                                  ^^^^ help: consider prefixing with an underscore: `_opts`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "2a33e68385b588cad47ed5e4f71b9397116e8700bc0df85666034d466294dc1f"`
[INFO] running `"docker" "rm" "-f" "2a33e68385b588cad47ed5e4f71b9397116e8700bc0df85666034d466294dc1f"`
[INFO] [stdout] 2a33e68385b588cad47ed5e4f71b9397116e8700bc0df85666034d466294dc1f
[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/royaldark/grit:/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] 9fd399913fb350baed9494fc7f518329a3869bd22f452c175517df778192792a
[INFO] running `"docker" "start" "-a" "9fd399913fb350baed9494fc7f518329a3869bd22f452c175517df778192792a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/grit-77fed88b64652853
[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" "9fd399913fb350baed9494fc7f518329a3869bd22f452c175517df778192792a"`
[INFO] running `"docker" "rm" "-f" "9fd399913fb350baed9494fc7f518329a3869bd22f452c175517df778192792a"`
[INFO] [stdout] 9fd399913fb350baed9494fc7f518329a3869bd22f452c175517df778192792a