[INFO] updating cached repository intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 508bb3a0c1fa45ff05bfdd8059a9698337531fd4
[INFO] sha for GitHub repo intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket: 508bb3a0c1fa45ff05bfdd8059a9698337531fd4
[INFO] validating manifest of intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket
[INFO] finished frobbing intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket
[INFO] frobbed toml for intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket/Cargo.toml
[INFO] started frobbing intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket
[INFO] finished frobbing intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket
[INFO] frobbed toml for intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket/Cargo.toml
[INFO] crate intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-6/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 698277eaf8de7a846dcbc65ab8abcb2b6d58b53eaa2c7f9b01e3c1461a1cbd67
[INFO] running `"docker" "start" "-a" "698277eaf8de7a846dcbc65ab8abcb2b6d58b53eaa2c7f9b01e3c1461a1cbd67"`
[INFO] [stderr]    Compiling num_cpus v1.2.0
[INFO] [stderr]    Compiling rocket_codegen v0.1.4
[INFO] [stderr]    Compiling serde_codegen v0.8.21
[INFO] [stderr]     Checking hyper v0.9.14
[INFO] [stderr]    Compiling serde_derive v0.8.21
[INFO] [stderr]     Checking rocket v0.1.4
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::borrow::Borrow<_>`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.1.4/src/http/header.rs:444:47
[INFO] [stderr]     |
[INFO] [stderr] 444 |                 Header::new(key.as_str(), val.borrow())
[INFO] [stderr]     |                                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `rocket`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "698277eaf8de7a846dcbc65ab8abcb2b6d58b53eaa2c7f9b01e3c1461a1cbd67"`
[INFO] running `"docker" "rm" "-f" "698277eaf8de7a846dcbc65ab8abcb2b6d58b53eaa2c7f9b01e3c1461a1cbd67"`
[INFO] [stdout] 698277eaf8de7a846dcbc65ab8abcb2b6d58b53eaa2c7f9b01e3c1461a1cbd67