[INFO] updating cached repository coty91/Tweeter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/coty91/Tweeter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/coty91/Tweeter" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/coty91/Tweeter"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/coty91/Tweeter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/coty91/Tweeter" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/coty91/Tweeter"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/coty91/Tweeter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc7ef45920e019035427134ee849f02042693b8f
[INFO] sha for GitHub repo coty91/Tweeter: bc7ef45920e019035427134ee849f02042693b8f
[INFO] validating manifest of coty91/Tweeter 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 coty91/Tweeter 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 coty91/Tweeter
[INFO] finished frobbing coty91/Tweeter
[INFO] frobbed toml for coty91/Tweeter written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/coty91/Tweeter/Cargo.toml
[INFO] started frobbing coty91/Tweeter
[INFO] finished frobbing coty91/Tweeter
[INFO] frobbed toml for coty91/Tweeter written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/coty91/Tweeter/Cargo.toml
[INFO] crate coty91/Tweeter 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 coty91/Tweeter against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/coty91/Tweeter:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 8b91eef235cd705779cf5d0c0b566f7c40e2a3cd73b90898430e6e70ab726b85
[INFO] running `"docker" "start" "-a" "8b91eef235cd705779cf5d0c0b566f7c40e2a3cd73b90898430e6e70ab726b85"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling filetime v0.2.2
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling argon2rs v0.2.5
[INFO] [stderr]    Compiling cookie v0.11.0
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling postgres-protocol v0.3.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling postgres-shared v0.4.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling syn v0.15.19
[INFO] [stderr]    Compiling notify v4.0.6
[INFO] [stderr]    Compiling postgres v0.15.2
[INFO] [stderr]    Compiling r2d2_postgres v0.14.0
[INFO] [stderr]    Compiling devise_core v0.1.0
[INFO] [stderr]    Compiling pear_codegen v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling devise_codegen v0.1.0
[INFO] [stderr]    Compiling pear v0.1.0
[INFO] [stderr]    Compiling rocket_http v0.4.0-rc.1
[INFO] [stderr]    Compiling devise v0.1.0
[INFO] [stderr]    Compiling rocket_contrib_codegen v0.4.0-rc.1
[INFO] [stderr]    Compiling rocket_codegen v0.4.0-rc.1
[INFO] [stderr]    Compiling rocket v0.4.0-rc.1
[INFO] [stderr]    Compiling rocket_contrib v0.4.0-rc.1
[INFO] [stderr]    Compiling tweeter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: custom attribute panicked
[INFO] [stderr]   --> src/app/routes/user.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[post("/signup", format="json", data="<user_data>")]
[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 `tweeter`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8b91eef235cd705779cf5d0c0b566f7c40e2a3cd73b90898430e6e70ab726b85"`
[INFO] running `"docker" "rm" "-f" "8b91eef235cd705779cf5d0c0b566f7c40e2a3cd73b90898430e6e70ab726b85"`
[INFO] [stdout] 8b91eef235cd705779cf5d0c0b566f7c40e2a3cd73b90898430e6e70ab726b85