[INFO] fetching crate prover-engine 1.0.0...
[INFO] checking prover-engine-1.0.0 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate prover-engine 1.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate prover-engine 1.0.0
[INFO] finished tweaking crates.io crate prover-engine 1.0.0
[INFO] tweaked toml for crates.io crate prover-engine 1.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prover-engine 1.0.0 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 prover-engine 1.0.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c48d4322fc44b47ebdab038948aa7f7bbcc29ca7289cae36e9cd08a88c2f2919
[INFO] running `Command { std: "docker" "start" "-a" "c48d4322fc44b47ebdab038948aa7f7bbcc29ca7289cae36e9cd08a88c2f2919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c48d4322fc44b47ebdab038948aa7f7bbcc29ca7289cae36e9cd08a88c2f2919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c48d4322fc44b47ebdab038948aa7f7bbcc29ca7289cae36e9cd08a88c2f2919", kill_on_drop: false }`
[INFO] [stdout] c48d4322fc44b47ebdab038948aa7f7bbcc29ca7289cae36e9cd08a88c2f2919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2b83ccf2d635851df2a574e392c7901195a21982fb341d67c84b93ec98a30d42
[INFO] running `Command { std: "docker" "start" "-a" "2b83ccf2d635851df2a574e392c7901195a21982fb341d67c84b93ec98a30d42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking data-encoding v2.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.17
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]     Checking tokio v1.45.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling try_match_inner v0.5.2
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking opentelemetry v0.27.1
[INFO] [stderr]    Compiling try_match v0.4.2
[INFO] [stderr]     Checking prost v0.13.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]     Checking prost-types v0.13.5
[INFO] [stderr]     Checking tungstenite v0.26.2
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking axum-core v0.5.2
[INFO] [stderr]    Compiling axum-macros v0.5.0
[INFO] [stderr]    Compiling str_inflector v0.12.0
[INFO] [stderr]    Compiling buildstructor v0.5.4
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking opentelemetry_sdk v0.27.1
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tokio-tungstenite v0.26.2
[INFO] [stderr]     Checking tonic v0.12.3
[INFO] [stderr]     Checking h2 v0.4.10
[INFO] [stderr]     Checking opentelemetry-prometheus v0.27.0
[INFO] [stderr]     Checking tonic-health v0.12.3
[INFO] [stderr]     Checking tonic-reflection v0.12.3
[INFO] [stderr]     Checking hyper v1.6.0
[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-1.6.0/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] running `Command { std: "docker" "inspect" "2b83ccf2d635851df2a574e392c7901195a21982fb341d67c84b93ec98a30d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b83ccf2d635851df2a574e392c7901195a21982fb341d67c84b93ec98a30d42", kill_on_drop: false }`
[INFO] [stdout] 2b83ccf2d635851df2a574e392c7901195a21982fb341d67c84b93ec98a30d42