[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[INFO] the lockfile is outdated, regenerating it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 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/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 7132ba3c181cf09bc63d4d5bb792eccefc64cc5fa7a56ba88e6b3627cfefcb04
[INFO] running `"docker" "start" "-a" "7132ba3c181cf09bc63d4d5bb792eccefc64cc5fa7a56ba88e6b3627cfefcb04"`
[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 0.96s
[INFO] running `"docker" "inspect" "7132ba3c181cf09bc63d4d5bb792eccefc64cc5fa7a56ba88e6b3627cfefcb04"`
[INFO] running `"docker" "rm" "-f" "7132ba3c181cf09bc63d4d5bb792eccefc64cc5fa7a56ba88e6b3627cfefcb04"`
[INFO] [stdout] 7132ba3c181cf09bc63d4d5bb792eccefc64cc5fa7a56ba88e6b3627cfefcb04
[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/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 58e51e80535c5d45d4a7fe01a4a4e9479b0aaa20c6ec6e1611c31ee1773527a7
[INFO] running `"docker" "start" "-a" "58e51e80535c5d45d4a7fe01a4a4e9479b0aaa20c6ec6e1611c31ee1773527a7"`
[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 0.52s
[INFO] running `"docker" "inspect" "58e51e80535c5d45d4a7fe01a4a4e9479b0aaa20c6ec6e1611c31ee1773527a7"`
[INFO] running `"docker" "rm" "-f" "58e51e80535c5d45d4a7fe01a4a4e9479b0aaa20c6ec6e1611c31ee1773527a7"`
[INFO] [stdout] 58e51e80535c5d45d4a7fe01a4a4e9479b0aaa20c6ec6e1611c31ee1773527a7
[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/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e4c7faba103a55e8e5c8d021ffd4815f206128d6ab50bbde101be55ccd3c673d
[INFO] running `"docker" "start" "-a" "e4c7faba103a55e8e5c8d021ffd4815f206128d6ab50bbde101be55ccd3c673d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/3DiceTo2Dice-ea720626cd0eba13
[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" "e4c7faba103a55e8e5c8d021ffd4815f206128d6ab50bbde101be55ccd3c673d"`
[INFO] running `"docker" "rm" "-f" "e4c7faba103a55e8e5c8d021ffd4815f206128d6ab50bbde101be55ccd3c673d"`
[INFO] [stdout] e4c7faba103a55e8e5c8d021ffd4815f206128d6ab50bbde101be55ccd3c673d