[INFO] cloning repository takatori/hello-rocket
[INFO] running `"git" "clone" "--bare" "git://github.com/takatori/hello-rocket.git" "work/cache/sources/gh/takatori/hello-rocket"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/takatori/hello-rocket'...
[INFO] running `"git" "clone" "work/cache/sources/gh/takatori/hello-rocket" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/takatori/hello-rocket"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/takatori/hello-rocket'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/takatori/hello-rocket" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/takatori/hello-rocket"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/takatori/hello-rocket'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2d5b0be2bb714a2a4f68c7bb61fa2b9efcd2bad5
[INFO] sha for GitHub repo takatori/hello-rocket: 2d5b0be2bb714a2a4f68c7bb61fa2b9efcd2bad5
[INFO] validating manifest of takatori/hello-rocket 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 takatori/hello-rocket 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 takatori/hello-rocket
[INFO] finished frobbing takatori/hello-rocket
[INFO] frobbed toml for takatori/hello-rocket written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/takatori/hello-rocket/Cargo.toml
[INFO] started frobbing takatori/hello-rocket
[INFO] finished frobbing takatori/hello-rocket
[INFO] frobbed toml for takatori/hello-rocket written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/takatori/hello-rocket/Cargo.toml
[INFO] crate takatori/hello-rocket 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] checking takatori/hello-rocket against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/takatori/hello-rocket:/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] 6c1711e525d952ceebd4abf77a075c38fce0d6c20815ca3f6b50491a0f81fff9
[INFO] running `"docker" "start" "-a" "6c1711e525d952ceebd4abf77a075c38fce0d6c20815ca3f6b50491a0f81fff9"`
[INFO] [stderr]    Compiling version_check v0.1.0
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling state v0.2.0
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]    Compiling hyper v0.10.4
[INFO] [stderr]     Checking cookie v0.6.0
[INFO] [stderr]     Checking term-painter v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling rocket v0.2.0
[INFO] [stderr]    Compiling rocket_codegen v0.2.0
[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-0.2.0/src/http/header.rs:480:47
[INFO] [stderr]     |
[INFO] [stderr] 480 |                 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" "6c1711e525d952ceebd4abf77a075c38fce0d6c20815ca3f6b50491a0f81fff9"`
[INFO] running `"docker" "rm" "-f" "6c1711e525d952ceebd4abf77a075c38fce0d6c20815ca3f6b50491a0f81fff9"`
[INFO] [stdout] 6c1711e525d952ceebd4abf77a075c38fce0d6c20815ca3f6b50491a0f81fff9