[INFO] updating cached repository https://github.com/ian-p-cooke/tower-grpc-tls-client-auth-example
[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] 8b382660e2335f99687b2698a15c00596d7c1515
[INFO] checking ian-p-cooke/tower-grpc-tls-client-auth-example against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fian-p-cooke%2Ftower-grpc-tls-client-auth-example" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ian-p-cooke/tower-grpc-tls-client-auth-example on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ian-p-cooke/tower-grpc-tls-client-auth-example
[INFO] removed path dependency tower-grpc-build from git repo https://github.com/ian-p-cooke/tower-grpc-tls-client-auth-example
[INFO] finished tweaking git repo https://github.com/ian-p-cooke/tower-grpc-tls-client-auth-example
[INFO] tweaked toml for git repo https://github.com/ian-p-cooke/tower-grpc-tls-client-auth-example written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ian-p-cooke/tower-grpc-tls-client-auth-example already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (tower-grpc-build) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/tokio-connect`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower-grpc`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower-h2`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower-http`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (tower-grpc-build) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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] ac59e0f7e639156a3c6d4cbea00800b54e0a40f669f3bcd65e1e6ac667bb980f
[INFO] running `"docker" "start" "-a" "ac59e0f7e639156a3c6d4cbea00800b54e0a40f669f3bcd65e1e6ac667bb980f"`
[INFO] [stderr] warning: dependency (tower-grpc-build) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking futures-core v0.3.3
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]     Checking futures-task v0.3.3
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tower-service v0.3.0 (https://github.com/tower-rs/tower#47c3a145)
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking tower-service v0.2.0
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking prost v0.4.0
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking futures-util v0.3.3
[INFO] [stderr]     Checking tower-layer v0.1.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking tower-util v0.1.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling codegen v0.1.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking openssl v0.10.28
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-connect v0.1.0 (https://github.com/carllerche/tokio-connect#f7ad1ca4)
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.6
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]     Checking http-connection v0.1.0
[INFO] [stderr]     Checking tower-http-util v0.1.0 (https://github.com/tower-rs/tower-http#bd7a4654)
[INFO] [stderr]     Checking tower-http v0.1.0 (https://github.com/tower-rs/tower-http#bd7a4654)
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]    Compiling prost-derive v0.4.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]     Checking tower-grpc v0.1.1 (https://github.com/tower-rs/tower-grpc#5308ec0d)
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]    Compiling tower-grpc-build v0.1.0
[INFO] [stderr]    Compiling tower-grpc-tls-client-auth-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]     Checking tracing v0.1.12
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking tower-timeout v0.3.0 (https://github.com/tower-rs/tower#47c3a145)
[INFO] [stderr]     Checking tower-retry v0.3.0 (https://github.com/tower-rs/tower#47c3a145)
[INFO] [stderr]     Checking tower-discover v0.3.0 (https://github.com/tower-rs/tower#47c3a145)
[INFO] [stderr]     Checking tower-limit v0.3.0 (https://github.com/tower-rs/tower#47c3a145)
[INFO] [stderr]     Checking tower-util v0.3.0 (https://github.com/tower-rs/tower#47c3a145)
[INFO] [stderr]     Checking tower-buffer v0.3.0 (https://github.com/tower-rs/tower#47c3a145)
[INFO] [stderr]     Checking tower-load-shed v0.3.0 (https://github.com/tower-rs/tower#47c3a145)
[INFO] [stderr] error[E0425]: cannot find value `pinned_self` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/tower-b098c32cf5a1bcca/47c3a14/tower-limit/src/concurrency/future.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[pin_project(PinnedDrop)]
[INFO] [stderr]    |               ^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0424]: expected value, found module `self`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/tower-b098c32cf5a1bcca/47c3a14/tower-limit/src/concurrency/future.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | #[pinned_drop]
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    | |
[INFO] [stderr]    | `self` value is a keyword only available in methods with a `self` parameter
[INFO] [stderr]    | this function doesn't have a `self` parameter
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0424, E0425.
[INFO] [stderr] For more information about an error, try `rustc --explain E0424`.
[INFO] [stderr] error: could not compile `tower-limit`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ac59e0f7e639156a3c6d4cbea00800b54e0a40f669f3bcd65e1e6ac667bb980f"`
[INFO] running `"docker" "rm" "-f" "ac59e0f7e639156a3c6d4cbea00800b54e0a40f669f3bcd65e1e6ac667bb980f"`
[INFO] [stdout] ac59e0f7e639156a3c6d4cbea00800b54e0a40f669f3bcd65e1e6ac667bb980f