[INFO] updating cached repository https://github.com/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 508bb3a0c1fa45ff05bfdd8059a9698337531fd4
[INFO] checking intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket against master#9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7 for pr-64564
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintrepion%2Fproject-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket on toolchain 9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket
[INFO] finished tweaking git repo https://github.com/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket
[INFO] tweaked toml for git repo https://github.com/intrepion/project-x-rock-paper-scissors-x-json-rpc-x-server-x-rust-x-rocket written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/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/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 86de58b8a553c69588ee81d757eb92aa5ab66d30df44e2b6c4cac31b04adf9c3
[INFO] running `"docker" "start" "-a" "86de58b8a553c69588ee81d757eb92aa5ab66d30df44e2b6c4cac31b04adf9c3"`
[INFO] [stderr]     Checking serde v0.8.21
[INFO] [stderr]    Compiling num_cpus v1.2.0
[INFO] [stderr]    Compiling rocket_codegen v0.1.4
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling serde_codegen v0.8.21
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking hyper v0.9.14
[INFO] [stderr]    Compiling serde_derive v0.8.21
[INFO] [stderr]     Checking rocket v0.1.4
[INFO] [stderr]     Checking serde_json v0.8.4
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::borrow::Borrow<_>`
[INFO] [stderr]    --> /opt/rustwide/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" "86de58b8a553c69588ee81d757eb92aa5ab66d30df44e2b6c4cac31b04adf9c3"`
[INFO] running `"docker" "rm" "-f" "86de58b8a553c69588ee81d757eb92aa5ab66d30df44e2b6c4cac31b04adf9c3"`
[INFO] [stdout] 86de58b8a553c69588ee81d757eb92aa5ab66d30df44e2b6c4cac31b04adf9c3