[INFO] updating cached repository mizkichan/rust-canvas-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mizkichan/rust-canvas-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mizkichan/rust-canvas-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/mizkichan/rust-canvas-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mizkichan/rust-canvas-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mizkichan/rust-canvas-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mizkichan/rust-canvas-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mizkichan/rust-canvas-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb6dc5dae8980b5d5f750e99badd35d9d29c3137
[INFO] sha for GitHub repo mizkichan/rust-canvas-example: bb6dc5dae8980b5d5f750e99badd35d9d29c3137
[INFO] validating manifest of mizkichan/rust-canvas-example 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 mizkichan/rust-canvas-example 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 mizkichan/rust-canvas-example
[INFO] finished frobbing mizkichan/rust-canvas-example
[INFO] frobbed toml for mizkichan/rust-canvas-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/mizkichan/rust-canvas-example/Cargo.toml
[INFO] started frobbing mizkichan/rust-canvas-example
[INFO] finished frobbing mizkichan/rust-canvas-example
[INFO] frobbed toml for mizkichan/rust-canvas-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mizkichan/rust-canvas-example/Cargo.toml
[INFO] crate mizkichan/rust-canvas-example 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 mizkichan/rust-canvas-example 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/mizkichan/rust-canvas-example:/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] efec461a7e91243df8045cb674d30d7910e940bc0f856daf0c91ca4859cf45b3
[INFO] running `"docker" "start" "-a" "efec461a7e91243df8045cb674d30d7910e940bc0f856daf0c91ca4859cf45b3"`
[INFO] [stderr]    Compiling cc v1.0.32
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.40
[INFO] [stderr]    Compiling bumpalo v2.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.40
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.40
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.40
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.40
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.40
[INFO] [stderr]    Compiling js-sys v0.3.17
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling web-sys v0.3.17
[INFO] [stderr]    Compiling rust-canvas-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `"docker" "inspect" "efec461a7e91243df8045cb674d30d7910e940bc0f856daf0c91ca4859cf45b3"`
[INFO] running `"docker" "rm" "-f" "efec461a7e91243df8045cb674d30d7910e940bc0f856daf0c91ca4859cf45b3"`
[INFO] [stdout] efec461a7e91243df8045cb674d30d7910e940bc0f856daf0c91ca4859cf45b3
[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/mizkichan/rust-canvas-example:/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] 0d9c3b25cfb646a0ceba421c8e33a28b67390959d702c1f0efe1dbc5df6d399f
[INFO] running `"docker" "start" "-a" "0d9c3b25cfb646a0ceba421c8e33a28b67390959d702c1f0efe1dbc5df6d399f"`
[INFO] [stderr]    Compiling rust-canvas-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "0d9c3b25cfb646a0ceba421c8e33a28b67390959d702c1f0efe1dbc5df6d399f"`
[INFO] running `"docker" "rm" "-f" "0d9c3b25cfb646a0ceba421c8e33a28b67390959d702c1f0efe1dbc5df6d399f"`
[INFO] [stdout] 0d9c3b25cfb646a0ceba421c8e33a28b67390959d702c1f0efe1dbc5df6d399f
[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/mizkichan/rust-canvas-example:/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] 10ce87ee70fee0280e1194c54f54075c595e1a7ddb8c6162f63162530f3e48a7
[INFO] running `"docker" "start" "-a" "10ce87ee70fee0280e1194c54f54075c595e1a7ddb8c6162f63162530f3e48a7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_canvas_example-b1718910a6bb8886
[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" "10ce87ee70fee0280e1194c54f54075c595e1a7ddb8c6162f63162530f3e48a7"`
[INFO] running `"docker" "rm" "-f" "10ce87ee70fee0280e1194c54f54075c595e1a7ddb8c6162f63162530f3e48a7"`
[INFO] [stdout] 10ce87ee70fee0280e1194c54f54075c595e1a7ddb8c6162f63162530f3e48a7