[INFO] updating cached repository zgotts/wasm_circles
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zgotts/wasm_circles
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zgotts/wasm_circles" "work/ex/beta-1.38-1/sources/1.37.0/gh/zgotts/wasm_circles"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zgotts/wasm_circles'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zgotts/wasm_circles" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zgotts/wasm_circles"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zgotts/wasm_circles'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 822db5b9cae28fbc50ca6576df93374d764e5edc
[INFO] sha for GitHub repo zgotts/wasm_circles: 822db5b9cae28fbc50ca6576df93374d764e5edc
[INFO] validating manifest of zgotts/wasm_circles 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 zgotts/wasm_circles 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 zgotts/wasm_circles
[INFO] finished frobbing zgotts/wasm_circles
[INFO] frobbed toml for zgotts/wasm_circles written to work/ex/beta-1.38-1/sources/1.37.0/gh/zgotts/wasm_circles/Cargo.toml
[INFO] started frobbing zgotts/wasm_circles
[INFO] finished frobbing zgotts/wasm_circles
[INFO] frobbed toml for zgotts/wasm_circles written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zgotts/wasm_circles/Cargo.toml
[INFO] crate zgotts/wasm_circles 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 zgotts/wasm_circles 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zgotts/wasm_circles:/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] dc29b4b4c9f40004b320fd85510f24d9440c51ac282e85b86224aa223f3621bc
[INFO] running `"docker" "start" "-a" "dc29b4b4c9f40004b320fd85510f24d9440c51ac282e85b86224aa223f3621bc"`
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling rand v0.5.3
[INFO] [stderr]    Compiling rust_wasm_seed v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: foreign function is never used: `console_log_int`
[INFO] [stderr]   --> src/lib.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn console_log_int(val: f32);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `console_log_str`
[INFO] [stderr]   --> src/lib.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn console_log_str(val: *const u8, len: usize);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.58s
[INFO] running `"docker" "inspect" "dc29b4b4c9f40004b320fd85510f24d9440c51ac282e85b86224aa223f3621bc"`
[INFO] running `"docker" "rm" "-f" "dc29b4b4c9f40004b320fd85510f24d9440c51ac282e85b86224aa223f3621bc"`
[INFO] [stdout] dc29b4b4c9f40004b320fd85510f24d9440c51ac282e85b86224aa223f3621bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zgotts/wasm_circles:/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] baa394fffe49d74127550f20c9141ef337aa337fd82df80a6023c13656f3be28
[INFO] running `"docker" "start" "-a" "baa394fffe49d74127550f20c9141ef337aa337fd82df80a6023c13656f3be28"`
[INFO] [stderr]    Compiling rust_wasm_seed v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: foreign function is never used: `console_log_int`
[INFO] [stderr]   --> src/lib.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn console_log_int(val: f32);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `console_log_str`
[INFO] [stderr]   --> src/lib.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn console_log_str(val: *const u8, len: usize);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "baa394fffe49d74127550f20c9141ef337aa337fd82df80a6023c13656f3be28"`
[INFO] running `"docker" "rm" "-f" "baa394fffe49d74127550f20c9141ef337aa337fd82df80a6023c13656f3be28"`
[INFO] [stdout] baa394fffe49d74127550f20c9141ef337aa337fd82df80a6023c13656f3be28
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zgotts/wasm_circles:/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] 446bc4aedc50b3a5bf7eee084b1ccc2271d9bf2fe22ca2e52d0749f09fe32f0b
[INFO] running `"docker" "start" "-a" "446bc4aedc50b3a5bf7eee084b1ccc2271d9bf2fe22ca2e52d0749f09fe32f0b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_wasm_seed-62fdbc1773a03784
[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" "446bc4aedc50b3a5bf7eee084b1ccc2271d9bf2fe22ca2e52d0749f09fe32f0b"`
[INFO] running `"docker" "rm" "-f" "446bc4aedc50b3a5bf7eee084b1ccc2271d9bf2fe22ca2e52d0749f09fe32f0b"`
[INFO] [stdout] 446bc4aedc50b3a5bf7eee084b1ccc2271d9bf2fe22ca2e52d0749f09fe32f0b