[INFO] updating cached repository LrsNate/ErasureCoding
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LrsNate/ErasureCoding
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LrsNate/ErasureCoding" "work/ex/beta-1.38-1/sources/1.37.0/gh/LrsNate/ErasureCoding"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/LrsNate/ErasureCoding'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LrsNate/ErasureCoding" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LrsNate/ErasureCoding"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LrsNate/ErasureCoding'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] adcc618579d89afc0abb19c43c9b8ba886438178
[INFO] sha for GitHub repo LrsNate/ErasureCoding: adcc618579d89afc0abb19c43c9b8ba886438178
[INFO] validating manifest of LrsNate/ErasureCoding 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 LrsNate/ErasureCoding 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 LrsNate/ErasureCoding
[INFO] finished frobbing LrsNate/ErasureCoding
[INFO] frobbed toml for LrsNate/ErasureCoding written to work/ex/beta-1.38-1/sources/1.37.0/gh/LrsNate/ErasureCoding/Cargo.toml
[INFO] started frobbing LrsNate/ErasureCoding
[INFO] finished frobbing LrsNate/ErasureCoding
[INFO] frobbed toml for LrsNate/ErasureCoding written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LrsNate/ErasureCoding/Cargo.toml
[INFO] crate LrsNate/ErasureCoding 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 LrsNate/ErasureCoding 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/LrsNate/ErasureCoding:/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] 88fa7d09221b97ad68cce0a8ec2bc209abacdcc221a80331c24ef60d096ed4ff
[INFO] running `"docker" "start" "-a" "88fa7d09221b97ad68cce0a8ec2bc209abacdcc221a80331c24ef60d096ed4ff"`
[INFO] [stderr]    Compiling erasure_coding v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find value `u` in this scope
[INFO] [stderr]   --> src/byte.rs:44:23
[INFO] [stderr]    |
[INFO] [stderr] 44 |         Byte { value: u as u8 }
[INFO] [stderr]    |                       ^ help: a local variable with a similar name exists: `n`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `new` found for type `byte::Byte` in the current scope
[INFO] [stderr]   --> src/main.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |     byte::Byte::new(0);
[INFO] [stderr]    |                 ^^^ function or associated item not found in `byte::Byte`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/byte.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct Byte {
[INFO] [stderr]    | --------------- function or associated item `new` not found for this
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `new` found for type `byte::Byte` in the current scope
[INFO] [stderr]   --> src/byte.rs:56:15
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct Byte {
[INFO] [stderr]    | --------------- function or associated item `new` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 56 |         Byte::new(self.value ^ rhs.value)
[INFO] [stderr]    |               ^^^ function or associated item not found in `byte::Byte`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `new` found for type `byte::Byte` in the current scope
[INFO] [stderr]   --> src/byte.rs:64:22
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct Byte {
[INFO] [stderr]    | --------------- function or associated item `new` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 64 |         return Byte::new(gf_mult(self.value, rhs.value))
[INFO] [stderr]    |                      ^^^ function or associated item not found in `byte::Byte`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `new` found for type `byte::Byte` in the current scope
[INFO] [stderr]   --> src/byte.rs:83:26
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct Byte {
[INFO] [stderr]    | --------------- function or associated item `new` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 83 |             return Byte::new(0);
[INFO] [stderr]    |                          ^^^ function or associated item not found in `byte::Byte`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `new` found for type `byte::Byte` in the current scope
[INFO] [stderr]   --> src/byte.rs:91:22
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct Byte {
[INFO] [stderr]    | --------------- function or associated item `new` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 91 |         return Byte::new(gf_mult(self.value, inverse));
[INFO] [stderr]    |                      ^^^ function or associated item not found in `byte::Byte`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `append` found for type `matrix::Matrix` in the current scope
[INFO] [stderr]   --> src/matrix.rs:51:20
[INFO] [stderr]    |
[INFO] [stderr] 3  | pub struct Matrix {
[INFO] [stderr]    | ----------------- method `append` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 51 |             result.append(one / (Byte::from_usize(x) + Byte::from_usize(y)))
[INFO] [stderr]    |                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `erasure_coding`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "88fa7d09221b97ad68cce0a8ec2bc209abacdcc221a80331c24ef60d096ed4ff"`
[INFO] running `"docker" "rm" "-f" "88fa7d09221b97ad68cce0a8ec2bc209abacdcc221a80331c24ef60d096ed4ff"`
[INFO] [stdout] 88fa7d09221b97ad68cce0a8ec2bc209abacdcc221a80331c24ef60d096ed4ff