[INFO] updating cached repository lidavidm/rusttracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lidavidm/rusttracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lidavidm/rusttracer" "work/ex/beta-1.38-1/sources/1.37.0/gh/lidavidm/rusttracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lidavidm/rusttracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lidavidm/rusttracer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lidavidm/rusttracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lidavidm/rusttracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6c9ecb74b29ca4d7b2c5ac3130f64582735a1060
[INFO] sha for GitHub repo lidavidm/rusttracer: 6c9ecb74b29ca4d7b2c5ac3130f64582735a1060
[INFO] validating manifest of lidavidm/rusttracer 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 lidavidm/rusttracer 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 lidavidm/rusttracer
[INFO] finished frobbing lidavidm/rusttracer
[INFO] frobbed toml for lidavidm/rusttracer written to work/ex/beta-1.38-1/sources/1.37.0/gh/lidavidm/rusttracer/Cargo.toml
[INFO] started frobbing lidavidm/rusttracer
[INFO] finished frobbing lidavidm/rusttracer
[INFO] frobbed toml for lidavidm/rusttracer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lidavidm/rusttracer/Cargo.toml
[INFO] crate lidavidm/rusttracer 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/lidavidm/rusttracer/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[INFO] the lockfile is outdated, regenerating it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 lidavidm/rusttracer 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lidavidm/rusttracer:/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] fc14d9a9d014ba3b60949594ca55e0c377da11ef532d4eb224850707024eb012
[INFO] running `"docker" "start" "-a" "fc14d9a9d014ba3b60949594ca55e0c377da11ef532d4eb224850707024eb012"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.1
[INFO] [stderr]    Compiling rusttracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0560]: struct `objects::image::Rgb<u8>` has no field named `data`
[INFO] [stderr]   --> src/objects/mod.rs:46:22
[INFO] [stderr]    |
[INFO] [stderr] 46 |         image::Rgb { data: [(self.x.min(1.0) * 255.0) as u8,
[INFO] [stderr]    |         ----------   ^^^^ field does not exist
[INFO] [stderr]    |         |
[INFO] [stderr]    |         `objects::image::Rgb<_>` is a tuple struct, use the appropriate syntax: `objects::image::Rgb<_>(/* fields */)`
[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 `rusttracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fc14d9a9d014ba3b60949594ca55e0c377da11ef532d4eb224850707024eb012"`
[INFO] running `"docker" "rm" "-f" "fc14d9a9d014ba3b60949594ca55e0c377da11ef532d4eb224850707024eb012"`
[INFO] [stdout] fc14d9a9d014ba3b60949594ca55e0c377da11ef532d4eb224850707024eb012