[INFO] updating cached repository savil/simplicity-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/savil/simplicity-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/savil/simplicity-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/savil/simplicity-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/savil/simplicity-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/savil/simplicity-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/savil/simplicity-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/savil/simplicity-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 96a69b4f64de61e748b8fd124712a7fbc4a946a6
[INFO] sha for GitHub repo savil/simplicity-rust: 96a69b4f64de61e748b8fd124712a7fbc4a946a6
[INFO] validating manifest of savil/simplicity-rust 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 savil/simplicity-rust 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 savil/simplicity-rust
[INFO] finished frobbing savil/simplicity-rust
[INFO] frobbed toml for savil/simplicity-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/savil/simplicity-rust/Cargo.toml
[INFO] started frobbing savil/simplicity-rust
[INFO] finished frobbing savil/simplicity-rust
[INFO] frobbed toml for savil/simplicity-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/savil/simplicity-rust/Cargo.toml
[INFO] crate savil/simplicity-rust 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 savil/simplicity-rust 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/savil/simplicity-rust:/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] 284ee7c8d4f347bef518e762cf676d2cb9d5c3e74aaa264b9f134229443d10b4
[INFO] running `"docker" "start" "-a" "284ee7c8d4f347bef518e762cf676d2cb9d5c3e74aaa264b9f134229443d10b4"`
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling simplicity-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: type alias is never used: `Word2`
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | type Word2 = (Bit, Bit);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Word4`
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | type Word4 = (Word2, Word2);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Word8`
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | type Word8 = (Word4, Word4);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "284ee7c8d4f347bef518e762cf676d2cb9d5c3e74aaa264b9f134229443d10b4"`
[INFO] running `"docker" "rm" "-f" "284ee7c8d4f347bef518e762cf676d2cb9d5c3e74aaa264b9f134229443d10b4"`
[INFO] [stdout] 284ee7c8d4f347bef518e762cf676d2cb9d5c3e74aaa264b9f134229443d10b4
[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/savil/simplicity-rust:/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] df2186a81c0ef07cca2d37c7c65400f40c6bf1d57a36d23522552624cad14c25
[INFO] running `"docker" "start" "-a" "df2186a81c0ef07cca2d37c7c65400f40c6bf1d57a36d23522552624cad14c25"`
[INFO] [stderr]    Compiling simplicity-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: type alias is never used: `Word2`
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | type Word2 = (Bit, Bit);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Word4`
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | type Word4 = (Word2, Word2);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Word8`
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | type Word8 = (Word4, Word4);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "df2186a81c0ef07cca2d37c7c65400f40c6bf1d57a36d23522552624cad14c25"`
[INFO] running `"docker" "rm" "-f" "df2186a81c0ef07cca2d37c7c65400f40c6bf1d57a36d23522552624cad14c25"`
[INFO] [stdout] df2186a81c0ef07cca2d37c7c65400f40c6bf1d57a36d23522552624cad14c25
[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/savil/simplicity-rust:/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] 2520a2d4351c1b84da92e13fbdf7e3688e3f24e647654e397e77cdd1a3c3caf6
[INFO] running `"docker" "start" "-a" "2520a2d4351c1b84da92e13fbdf7e3688e3f24e647654e397e77cdd1a3c3caf6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simplicity_rust-556edc4799630a63
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::not_zero ... ok
[INFO] [stdout] test tests::full_adder1 ... ok
[INFO] [stdout] test tests::not_one ... ok
[INFO] [stdout] test tests::full_adder2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2520a2d4351c1b84da92e13fbdf7e3688e3f24e647654e397e77cdd1a3c3caf6"`
[INFO] running `"docker" "rm" "-f" "2520a2d4351c1b84da92e13fbdf7e3688e3f24e647654e397e77cdd1a3c3caf6"`
[INFO] [stdout] 2520a2d4351c1b84da92e13fbdf7e3688e3f24e647654e397e77cdd1a3c3caf6