[INFO] updating cached repository VelociraptorCZE/MathV.wasm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VelociraptorCZE/MathV.wasm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VelociraptorCZE/MathV.wasm" "work/ex/beta-1.38-1/sources/1.37.0/gh/VelociraptorCZE/MathV.wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/VelociraptorCZE/MathV.wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VelociraptorCZE/MathV.wasm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VelociraptorCZE/MathV.wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VelociraptorCZE/MathV.wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9655295c8f6e21ec1ca87960f6a1ad6a0ba49075
[INFO] sha for GitHub repo VelociraptorCZE/MathV.wasm: 9655295c8f6e21ec1ca87960f6a1ad6a0ba49075
[INFO] validating manifest of VelociraptorCZE/MathV.wasm 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 VelociraptorCZE/MathV.wasm 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 VelociraptorCZE/MathV.wasm
[INFO] finished frobbing VelociraptorCZE/MathV.wasm
[INFO] frobbed toml for VelociraptorCZE/MathV.wasm written to work/ex/beta-1.38-1/sources/1.37.0/gh/VelociraptorCZE/MathV.wasm/Cargo.toml
[INFO] started frobbing VelociraptorCZE/MathV.wasm
[INFO] finished frobbing VelociraptorCZE/MathV.wasm
[INFO] frobbed toml for VelociraptorCZE/MathV.wasm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VelociraptorCZE/MathV.wasm/Cargo.toml
[INFO] crate VelociraptorCZE/MathV.wasm 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 VelociraptorCZE/MathV.wasm 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-3/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/VelociraptorCZE/MathV.wasm:/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] 6d361e036ff694c57b2c12f0c63e2407610a0bf2b17c628330d434802a21dc37
[INFO] running `"docker" "start" "-a" "6d361e036ff694c57b2c12f0c63e2407610a0bf2b17c628330d434802a21dc37"`
[INFO] [stderr]    Compiling MathV v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `MathV` 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: `math_v`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "6d361e036ff694c57b2c12f0c63e2407610a0bf2b17c628330d434802a21dc37"`
[INFO] running `"docker" "rm" "-f" "6d361e036ff694c57b2c12f0c63e2407610a0bf2b17c628330d434802a21dc37"`
[INFO] [stdout] 6d361e036ff694c57b2c12f0c63e2407610a0bf2b17c628330d434802a21dc37
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/VelociraptorCZE/MathV.wasm:/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] 16b08162b3c217ee1fd82506ca03196a10a349bbf9023ee253ebf1d658de6d86
[INFO] running `"docker" "start" "-a" "16b08162b3c217ee1fd82506ca03196a10a349bbf9023ee253ebf1d658de6d86"`
[INFO] [stderr]    Compiling MathV v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `MathV` 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: `math_v`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "16b08162b3c217ee1fd82506ca03196a10a349bbf9023ee253ebf1d658de6d86"`
[INFO] running `"docker" "rm" "-f" "16b08162b3c217ee1fd82506ca03196a10a349bbf9023ee253ebf1d658de6d86"`
[INFO] [stdout] 16b08162b3c217ee1fd82506ca03196a10a349bbf9023ee253ebf1d658de6d86
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/VelociraptorCZE/MathV.wasm:/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] 3d6474d821444ea4c1bcde19dd7493d0d8e5bf69680ae7cb866e4b1fa266407f
[INFO] running `"docker" "start" "-a" "3d6474d821444ea4c1bcde19dd7493d0d8e5bf69680ae7cb866e4b1fa266407f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/MathV-9746f5625203b6c2
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests MathV
[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] [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" "3d6474d821444ea4c1bcde19dd7493d0d8e5bf69680ae7cb866e4b1fa266407f"`
[INFO] running `"docker" "rm" "-f" "3d6474d821444ea4c1bcde19dd7493d0d8e5bf69680ae7cb866e4b1fa266407f"`
[INFO] [stdout] 3d6474d821444ea4c1bcde19dd7493d0d8e5bf69680ae7cb866e4b1fa266407f