[INFO] updating cached repository nutcase84/piano
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nutcase84/piano
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nutcase84/piano" "work/ex/beta-1.38-1/sources/1.37.0/gh/nutcase84/piano"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nutcase84/piano'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nutcase84/piano" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nutcase84/piano"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nutcase84/piano'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd2f724ca7a6fbc01e24f95ad413e3f8c698382e
[INFO] sha for GitHub repo nutcase84/piano: cd2f724ca7a6fbc01e24f95ad413e3f8c698382e
[INFO] validating manifest of nutcase84/piano 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 nutcase84/piano 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 nutcase84/piano
[INFO] finished frobbing nutcase84/piano
[INFO] frobbed toml for nutcase84/piano written to work/ex/beta-1.38-1/sources/1.37.0/gh/nutcase84/piano/Cargo.toml
[INFO] started frobbing nutcase84/piano
[INFO] finished frobbing nutcase84/piano
[INFO] frobbed toml for nutcase84/piano written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nutcase84/piano/Cargo.toml
[INFO] crate nutcase84/piano 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 nutcase84/piano against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nutcase84/piano:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 02c3c18e2e7b44902dc25cb2f85c6d46776989d822e56070e894aec896bd47f8
[INFO] running `"docker" "start" "-a" "02c3c18e2e7b44902dc25cb2f85c6d46776989d822e56070e894aec896bd47f8"`
[INFO] [stderr]    Compiling vst v0.1.0
[INFO] [stderr]    Compiling string v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `"docker" "inspect" "02c3c18e2e7b44902dc25cb2f85c6d46776989d822e56070e894aec896bd47f8"`
[INFO] running `"docker" "rm" "-f" "02c3c18e2e7b44902dc25cb2f85c6d46776989d822e56070e894aec896bd47f8"`
[INFO] [stdout] 02c3c18e2e7b44902dc25cb2f85c6d46776989d822e56070e894aec896bd47f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nutcase84/piano:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d607c3baaccdabf2f86b4aa8afaaebd8d702ce015191386d9bacabd51f6383e0
[INFO] running `"docker" "start" "-a" "d607c3baaccdabf2f86b4aa8afaaebd8d702ce015191386d9bacabd51f6383e0"`
[INFO] [stderr]    Compiling string v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "d607c3baaccdabf2f86b4aa8afaaebd8d702ce015191386d9bacabd51f6383e0"`
[INFO] running `"docker" "rm" "-f" "d607c3baaccdabf2f86b4aa8afaaebd8d702ce015191386d9bacabd51f6383e0"`
[INFO] [stdout] d607c3baaccdabf2f86b4aa8afaaebd8d702ce015191386d9bacabd51f6383e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nutcase84/piano:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 38504c13dcb8e76f310400d3ff7771351ec5e85f3209c5aad60160a1a2ca29e8
[INFO] running `"docker" "start" "-a" "38504c13dcb8e76f310400d3ff7771351ec5e85f3209c5aad60160a1a2ca29e8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/string-52915f89beab1e9e
[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" "38504c13dcb8e76f310400d3ff7771351ec5e85f3209c5aad60160a1a2ca29e8"`
[INFO] running `"docker" "rm" "-f" "38504c13dcb8e76f310400d3ff7771351ec5e85f3209c5aad60160a1a2ca29e8"`
[INFO] [stdout] 38504c13dcb8e76f310400d3ff7771351ec5e85f3209c5aad60160a1a2ca29e8