[INFO] fetching crate madsim-etcd-client 0.6.0+0.14.0...
[INFO] checking madsim-etcd-client-0.6.0+0.14.0 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate madsim-etcd-client 0.6.0+0.14.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate madsim-etcd-client 0.6.0+0.14.0
[INFO] finished tweaking crates.io crate madsim-etcd-client 0.6.0+0.14.0
[INFO] tweaked toml for crates.io crate madsim-etcd-client 0.6.0+0.14.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate madsim-etcd-client 0.6.0+0.14.0 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 crates.io crate madsim-etcd-client 0.6.0+0.14.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f8f659a2245bf99fbed6dc59578b5a24711fc3b3085b01b79121ab6f4c2cb7ce
[INFO] running `Command { std: "docker" "start" "-a" "f8f659a2245bf99fbed6dc59578b5a24711fc3b3085b01b79121ab6f4c2cb7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8f659a2245bf99fbed6dc59578b5a24711fc3b3085b01b79121ab6f4c2cb7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f659a2245bf99fbed6dc59578b5a24711fc3b3085b01b79121ab6f4c2cb7ce", kill_on_drop: false }`
[INFO] [stdout] f8f659a2245bf99fbed6dc59578b5a24711fc3b3085b01b79121ab6f4c2cb7ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 28b4caf60d9030df97972965cd8dde3cd510adf06dada5246de83820e5ca51de
[INFO] running `Command { std: "docker" "start" "-a" "28b4caf60d9030df97972965cd8dde3cd510adf06dada5246de83820e5ca51de", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling prettyplease v0.2.20
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling multimap v0.10.0
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]    Compiling axum-core v0.4.3
[INFO] [stderr]    Compiling axum v0.7.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling prost-derive v0.13.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling prost v0.13.1
[INFO] [stderr]    Compiling prost-types v0.13.1
[INFO] [stderr]    Compiling prost-build v0.13.1
[INFO] [stderr]    Compiling tonic-build v0.12.1
[INFO] [stderr]    Compiling etcd-client v0.14.0
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking h2 v0.4.5
[INFO] [stderr]     Checking hyper v1.4.1
[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-1.4.1/src/proto/h2/mod.rs:427:5
[INFO] [stdout]     |
[INFO] [stdout] 427 |     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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "28b4caf60d9030df97972965cd8dde3cd510adf06dada5246de83820e5ca51de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b4caf60d9030df97972965cd8dde3cd510adf06dada5246de83820e5ca51de", kill_on_drop: false }`
[INFO] [stdout] 28b4caf60d9030df97972965cd8dde3cd510adf06dada5246de83820e5ca51de