[INFO] cloning repository fudanchii/httcp
[INFO] running `"git" "clone" "--bare" "git://github.com/fudanchii/httcp.git" "work/cache/sources/gh/fudanchii/httcp"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/fudanchii/httcp'...
[INFO] running `"git" "clone" "work/cache/sources/gh/fudanchii/httcp" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/fudanchii/httcp"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/fudanchii/httcp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fudanchii/httcp" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/fudanchii/httcp"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/fudanchii/httcp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd899c2a68bb4ccdb37074733543e048e1c19692
[INFO] sha for GitHub repo fudanchii/httcp: bd899c2a68bb4ccdb37074733543e048e1c19692
[INFO] validating manifest of fudanchii/httcp on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fudanchii/httcp on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fudanchii/httcp
[INFO] finished frobbing fudanchii/httcp
[INFO] frobbed toml for fudanchii/httcp written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/fudanchii/httcp/Cargo.toml
[INFO] started frobbing fudanchii/httcp
[INFO] finished frobbing fudanchii/httcp
[INFO] frobbed toml for fudanchii/httcp written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/fudanchii/httcp/Cargo.toml
[INFO] crate fudanchii/httcp already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking fudanchii/httcp against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/fudanchii/httcp:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f4da4437b7fef70a3921edb135b35fa3d3aa0ce552131d02cef5c17ffa6728f9
[INFO] running `"docker" "start" "-a" "f4da4437b7fef70a3921edb135b35fa3d3aa0ce552131d02cef5c17ffa6728f9"`
[INFO] [stderr]     Checking lazy_static v0.2.2 (https://github.com/rust-lang-nursery/lazy-static.rs#f026ac23)
[INFO] [stderr]     Checking clap v2.19.2
[INFO] [stderr]    Compiling rocket v0.1.2
[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-0.1.2/src/http/header.rs:439:33
[INFO] [stderr]     |
[INFO] [stderr] 439 |                 Header::new(key.borrow(), val.borrow())
[INFO] [stderr]     |                                 ^^^^^^
[INFO] [stderr] 
[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-0.1.2/src/http/header.rs:439:33
[INFO] [stderr]     |
[INFO] [stderr] 439 |                 Header::new(key.borrow(), 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: 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" "f4da4437b7fef70a3921edb135b35fa3d3aa0ce552131d02cef5c17ffa6728f9"`
[INFO] running `"docker" "rm" "-f" "f4da4437b7fef70a3921edb135b35fa3d3aa0ce552131d02cef5c17ffa6728f9"`
[INFO] [stdout] f4da4437b7fef70a3921edb135b35fa3d3aa0ce552131d02cef5c17ffa6728f9