[INFO] updating cached repository exrok/3DiceTo2Dice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/exrok/3DiceTo2Dice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/exrok/3DiceTo2Dice" "work/ex/beta-1.38-1/sources/1.37.0/gh/exrok/3DiceTo2Dice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/exrok/3DiceTo2Dice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/exrok/3DiceTo2Dice" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/exrok/3DiceTo2Dice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/exrok/3DiceTo2Dice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 67fa3b0349e43aa2284710438324d15a65bc5bda
[INFO] sha for GitHub repo exrok/3DiceTo2Dice: 67fa3b0349e43aa2284710438324d15a65bc5bda
[INFO] validating manifest of exrok/3DiceTo2Dice 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 exrok/3DiceTo2Dice 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 exrok/3DiceTo2Dice
[INFO] finished frobbing exrok/3DiceTo2Dice
[INFO] frobbed toml for exrok/3DiceTo2Dice written to work/ex/beta-1.38-1/sources/1.37.0/gh/exrok/3DiceTo2Dice/Cargo.toml
[INFO] started frobbing exrok/3DiceTo2Dice
[INFO] finished frobbing exrok/3DiceTo2Dice
[INFO] frobbed toml for exrok/3DiceTo2Dice written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/exrok/3DiceTo2Dice/Cargo.toml
[INFO] crate exrok/3DiceTo2Dice 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/exrok/3DiceTo2Dice/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[INFO] the lockfile is outdated, regenerating it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 exrok/3DiceTo2Dice 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-1/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/exrok/3DiceTo2Dice:/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] 8040491b3103788b5a32fff2c660230f609d4aaa9109c4a322c6d839a21c83dc
[INFO] running `"docker" "start" "-a" "8040491b3103788b5a32fff2c660230f609d4aaa9109c4a322c6d839a21c83dc"`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling 3DiceTo2Dice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `3DiceTo2Dice` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `3_dice_to2_dice`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `"docker" "inspect" "8040491b3103788b5a32fff2c660230f609d4aaa9109c4a322c6d839a21c83dc"`
[INFO] running `"docker" "rm" "-f" "8040491b3103788b5a32fff2c660230f609d4aaa9109c4a322c6d839a21c83dc"`
[INFO] [stdout] 8040491b3103788b5a32fff2c660230f609d4aaa9109c4a322c6d839a21c83dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/exrok/3DiceTo2Dice:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] f6063cb345ae2dd6f9d614cc83e4d59904bd60130b2d760acb9994f93295e01a
[INFO] running `"docker" "start" "-a" "f6063cb345ae2dd6f9d614cc83e4d59904bd60130b2d760acb9994f93295e01a"`
[INFO] [stderr]    Compiling 3DiceTo2Dice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `3DiceTo2Dice` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `3_dice_to2_dice`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "f6063cb345ae2dd6f9d614cc83e4d59904bd60130b2d760acb9994f93295e01a"`
[INFO] running `"docker" "rm" "-f" "f6063cb345ae2dd6f9d614cc83e4d59904bd60130b2d760acb9994f93295e01a"`
[INFO] [stdout] f6063cb345ae2dd6f9d614cc83e4d59904bd60130b2d760acb9994f93295e01a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/exrok/3DiceTo2Dice:/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" "test" "--frozen"`
[INFO] [stdout] 04bc634e37d4553c01661550e9abb85480d00d34f16dc5c949a98652f4e5558c
[INFO] running `"docker" "start" "-a" "04bc634e37d4553c01661550e9abb85480d00d34f16dc5c949a98652f4e5558c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/3DiceTo2Dice-f9a62e94ea373734
[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" "04bc634e37d4553c01661550e9abb85480d00d34f16dc5c949a98652f4e5558c"`
[INFO] running `"docker" "rm" "-f" "04bc634e37d4553c01661550e9abb85480d00d34f16dc5c949a98652f4e5558c"`
[INFO] [stdout] 04bc634e37d4553c01661550e9abb85480d00d34f16dc5c949a98652f4e5558c