[INFO] cloning repository takatori/todo-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/takatori/todo-rs.git" "work/cache/sources/gh/takatori/todo-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/takatori/todo-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/takatori/todo-rs" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/takatori/todo-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/takatori/todo-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/takatori/todo-rs" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/takatori/todo-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/takatori/todo-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0df0b37812a1a662159658663b01d26045e976c3
[INFO] sha for GitHub repo takatori/todo-rs: 0df0b37812a1a662159658663b01d26045e976c3
[INFO] validating manifest of takatori/todo-rs 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/todo-rs 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/todo-rs
[INFO] finished frobbing takatori/todo-rs
[INFO] frobbed toml for takatori/todo-rs written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/takatori/todo-rs/Cargo.toml
[INFO] started frobbing takatori/todo-rs
[INFO] finished frobbing takatori/todo-rs
[INFO] frobbed toml for takatori/todo-rs written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/takatori/todo-rs/Cargo.toml
[INFO] crate takatori/todo-rs 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rocket v0.2.0
[INFO] [stderr]   Downloaded rocket_contrib v0.2.0
[INFO] [stderr]   Downloaded diesel v0.11.2
[INFO] [stderr]   Downloaded diesel_infer_schema v0.11.0
[INFO] [stderr]   Downloaded cookie v0.6.0
[INFO] [stderr]   Downloaded rocket_codegen v0.2.0
[INFO] [stderr]   Downloaded r2d2-diesel v0.11.0
[INFO] [stderr]   Downloaded diesel_codegen v0.11.0
[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 takatori/todo-rs against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/takatori/todo-rs:/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] 4e3b48e8079b3ee0d8bc9b4622c774ba9e89a77f37e086aa1fc31eb06f5999a5
[INFO] running `"docker" "start" "-a" "4e3b48e8079b3ee0d8bc9b4622c774ba9e89a77f37e086aa1fc31eb06f5999a5"`
[INFO] [stderr] warning: dependency (rocket_contrib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]     Checking state v0.2.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.4.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rocket v0.2.0
[INFO] [stderr]    Compiling rocket_codegen v0.2.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]     Checking r2d2 v0.7.1
[INFO] [stderr]     Checking serde_json v0.9.6
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling serde_codegen_internals v0.13.0
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]     Checking cookie v0.6.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling diesel v0.11.2
[INFO] [stderr]     Checking regex v0.1.80
[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]    Compiling serde_derive v0.9.7
[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" "4e3b48e8079b3ee0d8bc9b4622c774ba9e89a77f37e086aa1fc31eb06f5999a5"`
[INFO] running `"docker" "rm" "-f" "4e3b48e8079b3ee0d8bc9b4622c774ba9e89a77f37e086aa1fc31eb06f5999a5"`
[INFO] [stdout] 4e3b48e8079b3ee0d8bc9b4622c774ba9e89a77f37e086aa1fc31eb06f5999a5