[INFO] updating cached repository keysh/picture-points
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/keysh/picture-points
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/keysh/picture-points" "work/ex/beta-1.38-1/sources/1.37.0/gh/keysh/picture-points"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/keysh/picture-points'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/keysh/picture-points" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/keysh/picture-points"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/keysh/picture-points'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bbb847ff09d7c9dbc080e4632ea135f11fb0044a
[INFO] sha for GitHub repo keysh/picture-points: bbb847ff09d7c9dbc080e4632ea135f11fb0044a
[INFO] validating manifest of keysh/picture-points 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 keysh/picture-points 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 keysh/picture-points
[INFO] finished frobbing keysh/picture-points
[INFO] frobbed toml for keysh/picture-points written to work/ex/beta-1.38-1/sources/1.37.0/gh/keysh/picture-points/Cargo.toml
[INFO] started frobbing keysh/picture-points
[INFO] finished frobbing keysh/picture-points
[INFO] frobbed toml for keysh/picture-points written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/keysh/picture-points/Cargo.toml
[INFO] crate keysh/picture-points 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 keysh/picture-points 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/keysh/picture-points:/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] 872533b21e0f39e75d918212a04f642b6ab036baef846e397dd555e826670de4
[INFO] running `"docker" "start" "-a" "872533b21e0f39e75d918212a04f642b6ab036baef846e397dd555e826670de4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling picture-points v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         load_data(data);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "872533b21e0f39e75d918212a04f642b6ab036baef846e397dd555e826670de4"`
[INFO] running `"docker" "rm" "-f" "872533b21e0f39e75d918212a04f642b6ab036baef846e397dd555e826670de4"`
[INFO] [stdout] 872533b21e0f39e75d918212a04f642b6ab036baef846e397dd555e826670de4
[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/keysh/picture-points:/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] ee74c21f16d91dead899c119c471687c0a49610d06b27c1cb5a1062c22bdecbc
[INFO] running `"docker" "start" "-a" "ee74c21f16d91dead899c119c471687c0a49610d06b27c1cb5a1062c22bdecbc"`
[INFO] [stderr]    Compiling picture-points v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         load_data(data);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "ee74c21f16d91dead899c119c471687c0a49610d06b27c1cb5a1062c22bdecbc"`
[INFO] running `"docker" "rm" "-f" "ee74c21f16d91dead899c119c471687c0a49610d06b27c1cb5a1062c22bdecbc"`
[INFO] [stdout] ee74c21f16d91dead899c119c471687c0a49610d06b27c1cb5a1062c22bdecbc
[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/keysh/picture-points:/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] 576e42753069f1a3ce2075ed648ae18dd29d0bd239315459c9e474abd3ffa8af
[INFO] running `"docker" "start" "-a" "576e42753069f1a3ce2075ed648ae18dd29d0bd239315459c9e474abd3ffa8af"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/picture_points-584b5e7f699ba411
[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" "576e42753069f1a3ce2075ed648ae18dd29d0bd239315459c9e474abd3ffa8af"`
[INFO] running `"docker" "rm" "-f" "576e42753069f1a3ce2075ed648ae18dd29d0bd239315459c9e474abd3ffa8af"`
[INFO] [stdout] 576e42753069f1a3ce2075ed648ae18dd29d0bd239315459c9e474abd3ffa8af