[INFO] updating cached repository carlmw/birbs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/carlmw/birbs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/carlmw/birbs" "work/ex/beta-1.38-1/sources/1.37.0/gh/carlmw/birbs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/carlmw/birbs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/carlmw/birbs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/carlmw/birbs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/carlmw/birbs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef1f8f2b5b525fe766553ddaecdc18fd1f3ecfeb
[INFO] sha for GitHub repo carlmw/birbs: ef1f8f2b5b525fe766553ddaecdc18fd1f3ecfeb
[INFO] validating manifest of carlmw/birbs 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 carlmw/birbs 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 carlmw/birbs
[INFO] finished frobbing carlmw/birbs
[INFO] frobbed toml for carlmw/birbs written to work/ex/beta-1.38-1/sources/1.37.0/gh/carlmw/birbs/Cargo.toml
[INFO] started frobbing carlmw/birbs
[INFO] finished frobbing carlmw/birbs
[INFO] frobbed toml for carlmw/birbs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/carlmw/birbs/Cargo.toml
[INFO] crate carlmw/birbs 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 carlmw/birbs 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/carlmw/birbs:/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] 1998425af96eb8e2fe5a4ea33909d8257f28501c257a7ab68e17ae2155d23d17
[INFO] running `"docker" "start" "-a" "1998425af96eb8e2fe5a4ea33909d8257f28501c257a7ab68e17ae2155d23d17"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.25
[INFO] [stderr]    Compiling wasm-bindgen v0.2.25
[INFO] [stderr]    Compiling ref_slice v1.1.1
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling syn v0.15.12
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling ntree v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.25
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.25
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.25
[INFO] [stderr]    Compiling birbs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.37s
[INFO] running `"docker" "inspect" "1998425af96eb8e2fe5a4ea33909d8257f28501c257a7ab68e17ae2155d23d17"`
[INFO] running `"docker" "rm" "-f" "1998425af96eb8e2fe5a4ea33909d8257f28501c257a7ab68e17ae2155d23d17"`
[INFO] [stdout] 1998425af96eb8e2fe5a4ea33909d8257f28501c257a7ab68e17ae2155d23d17
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/carlmw/birbs:/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] 6b45a73a87bce7735e4445818cfff4101250e063afb368a765d8090c57ee50a7
[INFO] running `"docker" "start" "-a" "6b45a73a87bce7735e4445818cfff4101250e063afb368a765d8090c57ee50a7"`
[INFO] [stderr]    Compiling birbs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0560]: struct `boid::Boid` has no field named `color`
[INFO] [stderr]    --> src/tree.rs:214:88
[INFO] [stderr]     |
[INFO] [stderr] 214 |         Boid { position: Vector2 { x: x, y: y }, velocity: Vector2 { x: 0.0, y: 0.0 }, color: "#ff0000".to_string() }
[INFO] [stderr]     |                                                                                        ^^^^^ `boid::Boid` does not have this field
[INFO] [stderr]     |
[INFO] [stderr]     = note: available fields are: `position`, `velocity`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0560`.
[INFO] [stderr] error: Could not compile `birbs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6b45a73a87bce7735e4445818cfff4101250e063afb368a765d8090c57ee50a7"`
[INFO] running `"docker" "rm" "-f" "6b45a73a87bce7735e4445818cfff4101250e063afb368a765d8090c57ee50a7"`
[INFO] [stdout] 6b45a73a87bce7735e4445818cfff4101250e063afb368a765d8090c57ee50a7