[INFO] updating cached repository 02alexander/stack4
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/02alexander/stack4
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/02alexander/stack4" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/02alexander/stack4"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/02alexander/stack4'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/02alexander/stack4" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/02alexander/stack4"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/02alexander/stack4'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7722bb99a7e190daaa43a2ca056077c181da1bd2
[INFO] sha for GitHub repo 02alexander/stack4: 7722bb99a7e190daaa43a2ca056077c181da1bd2
[INFO] validating manifest of 02alexander/stack4 on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 02alexander/stack4 on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 02alexander/stack4
[INFO] finished frobbing 02alexander/stack4
[INFO] frobbed toml for 02alexander/stack4 written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/02alexander/stack4/Cargo.toml
[INFO] started frobbing 02alexander/stack4
[INFO] finished frobbing 02alexander/stack4
[INFO] frobbed toml for 02alexander/stack4 written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/02alexander/stack4/Cargo.toml
[INFO] crate 02alexander/stack4 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking 02alexander/stack4 against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-7/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/02alexander/stack4:/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d8738c43db440a4bfac0f3f8d1658c27b6b329fe443db547f9ee9ccca3a7d4de
[INFO] running `"docker" "start" "-a" "d8738c43db440a4bfac0f3f8d1658c27b6b329fe443db547f9ee9ccca3a7d4de"`
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking rocket_http v0.4.0-rc.1
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]    Compiling rocket_codegen v0.4.0-rc.1
[INFO] [stderr]     Checking rocket v0.4.0-rc.1
[INFO] [stderr]     Checking rocket_contrib v0.4.0-rc.1
[INFO] [stderr]     Checking stack4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: custom attribute panicked
[INFO] [stderr]  --> src/main.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[get("/")]
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: message: use-after-free in `proc_macro` handle
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `stack4`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: custom attribute panicked
[INFO] [stderr]  --> src/main.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[get("/")]
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: message: use-after-free in `proc_macro` handle
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `stack4`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d8738c43db440a4bfac0f3f8d1658c27b6b329fe443db547f9ee9ccca3a7d4de"`
[INFO] running `"docker" "rm" "-f" "d8738c43db440a4bfac0f3f8d1658c27b6b329fe443db547f9ee9ccca3a7d4de"`
[INFO] [stdout] d8738c43db440a4bfac0f3f8d1658c27b6b329fe443db547f9ee9ccca3a7d4de