[INFO] cloning repository https://github.com/niluke/learn_grpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/niluke/learn_grpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniluke%2Flearn_grpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniluke%2Flearn_grpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b079952987ed9bd02ebafe6dd043b1320e8e468d
[INFO] checking niluke/learn_grpc against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniluke%2Flearn_grpc" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/niluke/learn_grpc
[INFO] finished tweaking git repo https://github.com/niluke/learn_grpc
[INFO] tweaked toml for git repo https://github.com/niluke/learn_grpc written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/niluke/learn_grpc on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/niluke/learn_grpc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 820ae5c49cba79bd7999b89728b295809f947f566daaf33f413ec00e90c4a992
[INFO] running `Command { std: "docker" "start" "-a" "820ae5c49cba79bd7999b89728b295809f947f566daaf33f413ec00e90c4a992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "820ae5c49cba79bd7999b89728b295809f947f566daaf33f413ec00e90c4a992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820ae5c49cba79bd7999b89728b295809f947f566daaf33f413ec00e90c4a992", kill_on_drop: false }`
[INFO] [stdout] 820ae5c49cba79bd7999b89728b295809f947f566daaf33f413ec00e90c4a992
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7faa83732497a8901b93e5c5e1d1be3bd1ce1e104024336f019836b4b8f22488
[INFO] running `Command { std: "docker" "start" "-a" "7faa83732497a8901b93e5c5e1d1be3bd1ce1e104024336f019836b4b8f22488", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling httparse v1.9.3
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]    Compiling prettyplease v0.2.20
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling multimap v0.10.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking axum-core v0.3.4
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]    Compiling prost v0.12.6
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling prost-types v0.12.6
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]    Compiling prost-build v0.12.6
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]    Compiling tonic-build v0.11.0
[INFO] [stderr]    Compiling learn_grpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.14.29
[INFO] [stdout] error: zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hyper-0.14.29/src/proto/h2/mod.rs:451:5
[INFO] [stdout]     |
[INFO] [stdout] 451 |     impossible: Impossible,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this field contains `Impossible`, which is not inhabited, and makes it not a breaking change to become non-zero-sized in the future.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyper` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7faa83732497a8901b93e5c5e1d1be3bd1ce1e104024336f019836b4b8f22488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7faa83732497a8901b93e5c5e1d1be3bd1ce1e104024336f019836b4b8f22488", kill_on_drop: false }`
[INFO] [stdout] 7faa83732497a8901b93e5c5e1d1be3bd1ce1e104024336f019836b4b8f22488