[INFO] updating cached repository AnchoviesHat/turnip
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AnchoviesHat/turnip
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AnchoviesHat/turnip" "work/ex/beta-1.38-1/sources/1.37.0/gh/AnchoviesHat/turnip"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AnchoviesHat/turnip'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AnchoviesHat/turnip" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AnchoviesHat/turnip"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AnchoviesHat/turnip'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 19c324a6d385d825a8609869bb4e7c18ecfc5447
[INFO] sha for GitHub repo AnchoviesHat/turnip: 19c324a6d385d825a8609869bb4e7c18ecfc5447
[INFO] validating manifest of AnchoviesHat/turnip 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 AnchoviesHat/turnip 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 AnchoviesHat/turnip
[INFO] finished frobbing AnchoviesHat/turnip
[INFO] frobbed toml for AnchoviesHat/turnip written to work/ex/beta-1.38-1/sources/1.37.0/gh/AnchoviesHat/turnip/Cargo.toml
[INFO] started frobbing AnchoviesHat/turnip
[INFO] finished frobbing AnchoviesHat/turnip
[INFO] frobbed toml for AnchoviesHat/turnip written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AnchoviesHat/turnip/Cargo.toml
[INFO] crate AnchoviesHat/turnip 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/AnchoviesHat/turnip/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[INFO] the lockfile is outdated, regenerating it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 AnchoviesHat/turnip 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AnchoviesHat/turnip:/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] 1be721ca24e4f8a205c4928107377c028d65a4605f5eb4ca64af51c211c4e583
[INFO] running `"docker" "start" "-a" "1be721ca24e4f8a205c4928107377c028d65a4605f5eb4ca64af51c211c4e583"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling turnip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.18s
[INFO] running `"docker" "inspect" "1be721ca24e4f8a205c4928107377c028d65a4605f5eb4ca64af51c211c4e583"`
[INFO] running `"docker" "rm" "-f" "1be721ca24e4f8a205c4928107377c028d65a4605f5eb4ca64af51c211c4e583"`
[INFO] [stdout] 1be721ca24e4f8a205c4928107377c028d65a4605f5eb4ca64af51c211c4e583
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AnchoviesHat/turnip:/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] 4008fbb11827d684fb4dbed5a9819b725a7184318ae1c4716053bfefeafb3d59
[INFO] running `"docker" "start" "-a" "4008fbb11827d684fb4dbed5a9819b725a7184318ae1c4716053bfefeafb3d59"`
[INFO] [stderr]    Compiling turnip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "4008fbb11827d684fb4dbed5a9819b725a7184318ae1c4716053bfefeafb3d59"`
[INFO] running `"docker" "rm" "-f" "4008fbb11827d684fb4dbed5a9819b725a7184318ae1c4716053bfefeafb3d59"`
[INFO] [stdout] 4008fbb11827d684fb4dbed5a9819b725a7184318ae1c4716053bfefeafb3d59
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AnchoviesHat/turnip:/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] d3b6cc4ab84599f6df9946a51eb97a12cdbd05ed93ff8adffe8b6e49a4e7074c
[INFO] running `"docker" "start" "-a" "d3b6cc4ab84599f6df9946a51eb97a12cdbd05ed93ff8adffe8b6e49a4e7074c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/turnip-b7ccd86e7a3d637c
[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" "d3b6cc4ab84599f6df9946a51eb97a12cdbd05ed93ff8adffe8b6e49a4e7074c"`
[INFO] running `"docker" "rm" "-f" "d3b6cc4ab84599f6df9946a51eb97a12cdbd05ed93ff8adffe8b6e49a4e7074c"`
[INFO] [stdout] d3b6cc4ab84599f6df9946a51eb97a12cdbd05ed93ff8adffe8b6e49a4e7074c