[INFO] updating cached repository wagenet/helix-hello-world-rails
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wagenet/helix-hello-world-rails
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wagenet/helix-hello-world-rails" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/wagenet/helix-hello-world-rails"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/wagenet/helix-hello-world-rails'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wagenet/helix-hello-world-rails" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/wagenet/helix-hello-world-rails"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/wagenet/helix-hello-world-rails'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2d9a7c043499648e3e53d08624dbb0016a57a53f
[INFO] sha for GitHub repo wagenet/helix-hello-world-rails: 2d9a7c043499648e3e53d08624dbb0016a57a53f
[INFO] validating manifest of wagenet/helix-hello-world-rails on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wagenet/helix-hello-world-rails on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wagenet/helix-hello-world-rails
[INFO] finished frobbing wagenet/helix-hello-world-rails
[INFO] frobbed toml for wagenet/helix-hello-world-rails written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/wagenet/helix-hello-world-rails/Cargo.toml
[INFO] started frobbing wagenet/helix-hello-world-rails
[INFO] finished frobbing wagenet/helix-hello-world-rails
[INFO] frobbed toml for wagenet/helix-hello-world-rails written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/wagenet/helix-hello-world-rails/Cargo.toml
[INFO] crate wagenet/helix-hello-world-rails has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wagenet/helix-hello-world-rails against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/wagenet/helix-hello-world-rails:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 66c8fb26bd278cb97b24e970126085e314282be8c903804759a444355e89d8af
[INFO] running `"docker" "start" "-a" "66c8fb26bd278cb97b24e970126085e314282be8c903804759a444355e89d8af"`
[INFO] [stderr]    Compiling libcruby-sys v0.5.0-alpha-1
[INFO] [stderr]    Compiling cslice v0.2.0
[INFO] [stderr]    Compiling cstr-macro v0.1.0
[INFO] [stderr]    Compiling helix_runtime v0.5.0-alpha-1
[INFO] [stderr]    Compiling helix_hello_world_rails v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `"docker" "inspect" "66c8fb26bd278cb97b24e970126085e314282be8c903804759a444355e89d8af"`
[INFO] running `"docker" "rm" "-f" "66c8fb26bd278cb97b24e970126085e314282be8c903804759a444355e89d8af"`
[INFO] [stdout] 66c8fb26bd278cb97b24e970126085e314282be8c903804759a444355e89d8af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/wagenet/helix-hello-world-rails:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 32ace37e47354c3144e78ec3bb7d1652b010d84710a0df7a76071e39d287ca98
[INFO] running `"docker" "start" "-a" "32ace37e47354c3144e78ec3bb7d1652b010d84710a0df7a76071e39d287ca98"`
[INFO] [stderr]    Compiling helix_hello_world_rails v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "32ace37e47354c3144e78ec3bb7d1652b010d84710a0df7a76071e39d287ca98"`
[INFO] running `"docker" "rm" "-f" "32ace37e47354c3144e78ec3bb7d1652b010d84710a0df7a76071e39d287ca98"`
[INFO] [stdout] 32ace37e47354c3144e78ec3bb7d1652b010d84710a0df7a76071e39d287ca98
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/wagenet/helix-hello-world-rails:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 6d51d302fdff6a6ff207e079a7e397c326b956ce7e17a7e5e9d444e949b6aff4
[INFO] running `"docker" "start" "-a" "6d51d302fdff6a6ff207e079a7e397c326b956ce7e17a7e5e9d444e949b6aff4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/helix_hello_world_rails-1766c6186f3a9693
[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" "6d51d302fdff6a6ff207e079a7e397c326b956ce7e17a7e5e9d444e949b6aff4"`
[INFO] running `"docker" "rm" "-f" "6d51d302fdff6a6ff207e079a7e397c326b956ce7e17a7e5e9d444e949b6aff4"`
[INFO] [stdout] 6d51d302fdff6a6ff207e079a7e397c326b956ce7e17a7e5e9d444e949b6aff4