[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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/brson/cargo-index-tool"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/brson/cargo-index-tool'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brson/cargo-index-tool" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/brson/cargo-index-tool"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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 master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of brson/cargo-index-tool on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/brson/cargo-index-tool/Cargo.toml
[INFO] crate brson/cargo-index-tool has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing brson/cargo-index-tool against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 5c2496263a48ee02db328e5efe95372e1554945eae2aee377dc50fbee6d6f034
[INFO] running `"docker" "start" "-a" "5c2496263a48ee02db328e5efe95372e1554945eae2aee377dc50fbee6d6f034"`
[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 structopt v0.0.5
[INFO] [stderr]    Compiling cargo-index-tool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.62s
[INFO] running `"docker" "inspect" "5c2496263a48ee02db328e5efe95372e1554945eae2aee377dc50fbee6d6f034"`
[INFO] running `"docker" "rm" "-f" "5c2496263a48ee02db328e5efe95372e1554945eae2aee377dc50fbee6d6f034"`
[INFO] [stdout] 5c2496263a48ee02db328e5efe95372e1554945eae2aee377dc50fbee6d6f034
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] ae0039942f12a49ab6fa5ad585ab5423b6344b037e44fb25772b9d08997fabb9
[INFO] running `"docker" "start" "-a" "ae0039942f12a49ab6fa5ad585ab5423b6344b037e44fb25772b9d08997fabb9"`
[INFO] [stderr]    Compiling cargo-index-tool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "ae0039942f12a49ab6fa5ad585ab5423b6344b037e44fb25772b9d08997fabb9"`
[INFO] running `"docker" "rm" "-f" "ae0039942f12a49ab6fa5ad585ab5423b6344b037e44fb25772b9d08997fabb9"`
[INFO] [stdout] ae0039942f12a49ab6fa5ad585ab5423b6344b037e44fb25772b9d08997fabb9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 6afb120b18a47deafc150f34f23355801926be6afb3a2f4b55a3549a4ce432a9
[INFO] running `"docker" "start" "-a" "6afb120b18a47deafc150f34f23355801926be6afb3a2f4b55a3549a4ce432a9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_index_tool-c04394171163e105
[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" "6afb120b18a47deafc150f34f23355801926be6afb3a2f4b55a3549a4ce432a9"`
[INFO] running `"docker" "rm" "-f" "6afb120b18a47deafc150f34f23355801926be6afb3a2f4b55a3549a4ce432a9"`
[INFO] [stdout] 6afb120b18a47deafc150f34f23355801926be6afb3a2f4b55a3549a4ce432a9