[INFO] cloning repository steadylearner/Webassembly
[INFO] running `"git" "clone" "--bare" "git://github.com/steadylearner/Webassembly.git" "work/cache/sources/gh/steadylearner/Webassembly"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/steadylearner/Webassembly'...
[INFO] running `"git" "clone" "work/cache/sources/gh/steadylearner/Webassembly" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/steadylearner/Webassembly"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/steadylearner/Webassembly'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/steadylearner/Webassembly" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/steadylearner/Webassembly"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/steadylearner/Webassembly'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1968297a4a2e3fccad6ef5e31e6b39d8afc0120c
[INFO] sha for GitHub repo steadylearner/Webassembly: 1968297a4a2e3fccad6ef5e31e6b39d8afc0120c
[INFO] validating manifest of steadylearner/Webassembly on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of steadylearner/Webassembly on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing steadylearner/Webassembly
[INFO] finished frobbing steadylearner/Webassembly
[INFO] frobbed toml for steadylearner/Webassembly written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/steadylearner/Webassembly/Cargo.toml
[INFO] started frobbing steadylearner/Webassembly
[INFO] finished frobbing steadylearner/Webassembly
[INFO] frobbed toml for steadylearner/Webassembly written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/steadylearner/Webassembly/Cargo.toml
[INFO] crate steadylearner/Webassembly already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.23
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.23
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.23
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.23
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing steadylearner/Webassembly against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/steadylearner/Webassembly:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] b92445f10d1e6697fd9393544d4f4d3844d1374e98875e3dc53392e97786c636
[INFO] running `"docker" "start" "-a" "b92445f10d1e6697fd9393544d4f4d3844d1374e98875e3dc53392e97786c636"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.23
[INFO] [stderr]    Compiling wasm-bindgen v0.2.23
[INFO] [stderr]    Compiling syn v0.15.7
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.23
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.23
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.23
[INFO] [stderr]    Compiling javascript_and_web v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.06s
[INFO] running `"docker" "inspect" "b92445f10d1e6697fd9393544d4f4d3844d1374e98875e3dc53392e97786c636"`
[INFO] running `"docker" "rm" "-f" "b92445f10d1e6697fd9393544d4f4d3844d1374e98875e3dc53392e97786c636"`
[INFO] [stdout] b92445f10d1e6697fd9393544d4f4d3844d1374e98875e3dc53392e97786c636
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/steadylearner/Webassembly:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 509a5c4889d40b550fe1fd7d3e2007be1317a5b26d06eca2d19789e77097a6b9
[INFO] running `"docker" "start" "-a" "509a5c4889d40b550fe1fd7d3e2007be1317a5b26d06eca2d19789e77097a6b9"`
[INFO] [stderr]    Compiling javascript_and_web v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `simple`
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider adding a `main` function to `examples/simple.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: Could not compile `javascript_and_web`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "509a5c4889d40b550fe1fd7d3e2007be1317a5b26d06eca2d19789e77097a6b9"`
[INFO] running `"docker" "rm" "-f" "509a5c4889d40b550fe1fd7d3e2007be1317a5b26d06eca2d19789e77097a6b9"`
[INFO] [stdout] 509a5c4889d40b550fe1fd7d3e2007be1317a5b26d06eca2d19789e77097a6b9