[INFO] updating cached repository https://github.com/HristoKolev/watch-run
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] b61fe558dd2d9bce5ce73f41847dd30935c3af00
[INFO] checking HristoKolev/watch-run against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHristoKolev%2Fwatch-run" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HristoKolev/watch-run on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/HristoKolev/watch-run
[INFO] finished tweaking git repo https://github.com/HristoKolev/watch-run
[INFO] tweaked toml for git repo https://github.com/HristoKolev/watch-run written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/HristoKolev/watch-run already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 14362c13af1496e438048466a6f8c0639e7de61566176e0c711768ee110f265f
[INFO] running `"docker" "start" "-a" "14362c13af1496e438048466a6f8c0639e7de61566176e0c711768ee110f265f"`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling backtrace v0.3.31
[INFO] [stderr]     Checking tokio-trace-core v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking walkdir v2.2.8
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]     Checking filetime v0.2.5
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking openssl-sys v0.9.47
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling sentry v0.15.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking miniz_oxide_c_api v0.2.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking openssl v0.10.23
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.0
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking notify v4.0.12
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.24
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.93
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking hyper v0.12.30
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking debugid v0.4.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking sentry-types v0.11.0
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking watch-run v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/global/sentry_backtrace.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         {rv}
[INFO] [stderr]    |         ^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/global/sentry_backtrace.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         {rv}
[INFO] [stderr]    |         ^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: `match` arms have incompatible types
[INFO] [stderr]    --> src/global/extensions.rs:141:24
[INFO] [stderr]     |
[INFO] [stderr] 137 |   impl<T> OptionFlatten<T> for Option<Option<Option<Option<T>>>> {
[INFO] [stderr]     |        - this type parameter
[INFO] [stderr] 138 |       fn flatten(self) -> Option<T> {
[INFO] [stderr] 139 | /         match self {
[INFO] [stderr] 140 | |             None => None,
[INFO] [stderr]     | |                     ---- this is found to be of type `std::option::Option<T>`
[INFO] [stderr] 141 | |             Some(v) => v.flatten(),
[INFO] [stderr]     | |                        ^^^^^^^^^^^ expected type parameter `T`, found enum `std::option::Option`
[INFO] [stderr] 142 | |         }
[INFO] [stderr]     | |_________- `match` arms have incompatible types
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::option::Option<T>`
[INFO] [stderr]                found enum `std::option::Option<std::option::Option<T>>`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: `match` arms have incompatible types
[INFO] [stderr]    --> src/global/extensions.rs:150:24
[INFO] [stderr]     |
[INFO] [stderr] 146 |   impl<T> OptionFlatten<T> for Option<Option<Option<Option<Option<T>>>>> {
[INFO] [stderr]     |        - this type parameter
[INFO] [stderr] 147 |       fn flatten(self) -> Option<T> {
[INFO] [stderr] 148 | /         match self {
[INFO] [stderr] 149 | |             None => None,
[INFO] [stderr]     | |                     ---- this is found to be of type `std::option::Option<T>`
[INFO] [stderr] 150 | |             Some(v) => v.flatten(),
[INFO] [stderr]     | |                        ^^^^^^^^^^^ expected type parameter `T`, found enum `std::option::Option`
[INFO] [stderr] 151 | |         }
[INFO] [stderr]     | |_________- `match` arms have incompatible types
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::option::Option<T>`
[INFO] [stderr]                found enum `std::option::Option<std::option::Option<std::option::Option<T>>>`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: `match` arms have incompatible types
[INFO] [stderr]    --> src/global/extensions.rs:141:24
[INFO] [stderr]     |
[INFO] [stderr] 137 |   impl<T> OptionFlatten<T> for Option<Option<Option<Option<T>>>> {
[INFO] [stderr]     |        - this type parameter
[INFO] [stderr] 138 |       fn flatten(self) -> Option<T> {
[INFO] [stderr] 139 | /         match self {
[INFO] [stderr] 140 | |             None => None,
[INFO] [stderr]     | |                     ---- this is found to be of type `std::option::Option<T>`
[INFO] [stderr] 141 | |             Some(v) => v.flatten(),
[INFO] [stderr]     | |                        ^^^^^^^^^^^ expected type parameter `T`, found enum `std::option::Option`
[INFO] [stderr] 142 | |         }
[INFO] [stderr]     | |_________- `match` arms have incompatible types
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::option::Option<T>`
[INFO] [stderr]                found enum `std::option::Option<std::option::Option<T>>`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `watch-run`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: `match` arms have incompatible types
[INFO] [stderr]    --> src/global/extensions.rs:150:24
[INFO] [stderr]     |
[INFO] [stderr] 146 |   impl<T> OptionFlatten<T> for Option<Option<Option<Option<Option<T>>>>> {
[INFO] [stderr]     |        - this type parameter
[INFO] [stderr] 147 |       fn flatten(self) -> Option<T> {
[INFO] [stderr] 148 | /         match self {
[INFO] [stderr] 149 | |             None => None,
[INFO] [stderr]     | |                     ---- this is found to be of type `std::option::Option<T>`
[INFO] [stderr] 150 | |             Some(v) => v.flatten(),
[INFO] [stderr]     | |                        ^^^^^^^^^^^ expected type parameter `T`, found enum `std::option::Option`
[INFO] [stderr] 151 | |         }
[INFO] [stderr]     | |_________- `match` arms have incompatible types
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::option::Option<T>`
[INFO] [stderr]                found enum `std::option::Option<std::option::Option<std::option::Option<T>>>`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `watch-run`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "14362c13af1496e438048466a6f8c0639e7de61566176e0c711768ee110f265f"`
[INFO] running `"docker" "rm" "-f" "14362c13af1496e438048466a6f8c0639e7de61566176e0c711768ee110f265f"`
[INFO] [stdout] 14362c13af1496e438048466a6f8c0639e7de61566176e0c711768ee110f265f
