[INFO] updating cached repository Cam0Cow/BookFace
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Cam0Cow/BookFace
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Cam0Cow/BookFace" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Cam0Cow/BookFace"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Cam0Cow/BookFace'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Cam0Cow/BookFace" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Cam0Cow/BookFace"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Cam0Cow/BookFace'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a2a3f78323e4bad22e006496cf80d2e4cef896b
[INFO] sha for GitHub repo Cam0Cow/BookFace: 3a2a3f78323e4bad22e006496cf80d2e4cef896b
[INFO] validating manifest of Cam0Cow/BookFace on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Cam0Cow/BookFace on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Cam0Cow/BookFace
[INFO] finished frobbing Cam0Cow/BookFace
[INFO] frobbed toml for Cam0Cow/BookFace written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Cam0Cow/BookFace/Cargo.toml
[INFO] started frobbing Cam0Cow/BookFace
[INFO] finished frobbing Cam0Cow/BookFace
[INFO] frobbed toml for Cam0Cow/BookFace written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Cam0Cow/BookFace/Cargo.toml
[INFO] crate Cam0Cow/BookFace already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking Cam0Cow/BookFace against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-6/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Cam0Cow/BookFace:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 28096ef4817a37f3d3642d6545aa67e050ef85f98665a5e381bb005921f30523
[INFO] running `"docker" "start" "-a" "28096ef4817a37f3d3642d6545aa67e050ef85f98665a5e381bb005921f30523"`
[INFO] [stderr]    Compiling num_cpus v1.2.0
[INFO] [stderr]    Compiling rocket_codegen v0.1.3
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]    Compiling term-painter v0.2.3
[INFO] [stderr]     Checking hyper v0.9.14
[INFO] [stderr]     Checking rocket v0.1.3
[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-0.1.3/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: build failed
[INFO] running `"docker" "inspect" "28096ef4817a37f3d3642d6545aa67e050ef85f98665a5e381bb005921f30523"`
[INFO] running `"docker" "rm" "-f" "28096ef4817a37f3d3642d6545aa67e050ef85f98665a5e381bb005921f30523"`
[INFO] [stdout] 28096ef4817a37f3d3642d6545aa67e050ef85f98665a5e381bb005921f30523