[INFO] updating cached repository jntx/wasm-processing-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jntx/wasm-processing-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jntx/wasm-processing-test" "work/ex/beta-1.38-1/sources/1.37.0/gh/jntx/wasm-processing-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jntx/wasm-processing-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jntx/wasm-processing-test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jntx/wasm-processing-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jntx/wasm-processing-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e706e3a4d2385b0ed5e58637e6b2a0164a89ce6
[INFO] sha for GitHub repo jntx/wasm-processing-test: 5e706e3a4d2385b0ed5e58637e6b2a0164a89ce6
[INFO] validating manifest of jntx/wasm-processing-test 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 jntx/wasm-processing-test 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 jntx/wasm-processing-test
[INFO] finished frobbing jntx/wasm-processing-test
[INFO] frobbed toml for jntx/wasm-processing-test written to work/ex/beta-1.38-1/sources/1.37.0/gh/jntx/wasm-processing-test/Cargo.toml
[INFO] started frobbing jntx/wasm-processing-test
[INFO] finished frobbing jntx/wasm-processing-test
[INFO] frobbed toml for jntx/wasm-processing-test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jntx/wasm-processing-test/Cargo.toml
[INFO] crate jntx/wasm-processing-test 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 jntx/wasm-processing-test 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jntx/wasm-processing-test:/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] cb4b2a20a8becc3265e44959e88a3f69b7c2b1d04243b421e58951d2eee35d64
[INFO] running `"docker" "start" "-a" "cb4b2a20a8becc3265e44959e88a3f69b7c2b1d04243b421e58951d2eee35d64"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.48
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling bumpalo v2.5.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.48
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.48
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.48
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.48
[INFO] [stderr]    Compiling wasm-processing-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]   --> src/lib.rs:26:6
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let w: f64 = max_width as f64;
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_w`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.41s
[INFO] running `"docker" "inspect" "cb4b2a20a8becc3265e44959e88a3f69b7c2b1d04243b421e58951d2eee35d64"`
[INFO] running `"docker" "rm" "-f" "cb4b2a20a8becc3265e44959e88a3f69b7c2b1d04243b421e58951d2eee35d64"`
[INFO] [stdout] cb4b2a20a8becc3265e44959e88a3f69b7c2b1d04243b421e58951d2eee35d64
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jntx/wasm-processing-test:/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] dcdee932f37d70360725aaba67efec6a0ed4bf68298be660f343e0fa86058778
[INFO] running `"docker" "start" "-a" "dcdee932f37d70360725aaba67efec6a0ed4bf68298be660f343e0fa86058778"`
[INFO] [stderr]    Compiling wasm-processing-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]   --> src/lib.rs:26:6
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let w: f64 = max_width as f64;
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_w`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "dcdee932f37d70360725aaba67efec6a0ed4bf68298be660f343e0fa86058778"`
[INFO] running `"docker" "rm" "-f" "dcdee932f37d70360725aaba67efec6a0ed4bf68298be660f343e0fa86058778"`
[INFO] [stdout] dcdee932f37d70360725aaba67efec6a0ed4bf68298be660f343e0fa86058778
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jntx/wasm-processing-test:/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] cbb8e29e86d385274242a6640ce4a6bfee7c3cbd6c7b6d78c16992c64d4caa2d
[INFO] running `"docker" "start" "-a" "cbb8e29e86d385274242a6640ce4a6bfee7c3cbd6c7b6d78c16992c64d4caa2d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wasm_processing_test-ee6fb0b37957352a
[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" "cbb8e29e86d385274242a6640ce4a6bfee7c3cbd6c7b6d78c16992c64d4caa2d"`
[INFO] running `"docker" "rm" "-f" "cbb8e29e86d385274242a6640ce4a6bfee7c3cbd6c7b6d78c16992c64d4caa2d"`
[INFO] [stdout] cbb8e29e86d385274242a6640ce4a6bfee7c3cbd6c7b6d78c16992c64d4caa2d