[INFO] fetching crate tower-server 0.3.1...
[INFO] checking tower-server-0.3.1 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate tower-server 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tower-server 0.3.1
[INFO] finished tweaking crates.io crate tower-server 0.3.1
[INFO] tweaked toml for crates.io crate tower-server 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-server 0.3.1 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 tower-server 0.3.1 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 985b5c9d9c24d544cbd8ec9a87e698ffe63ffbd396edadd56875a9d7cbfece92
[INFO] running `Command { std: "docker" "start" "-a" "985b5c9d9c24d544cbd8ec9a87e698ffe63ffbd396edadd56875a9d7cbfece92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "985b5c9d9c24d544cbd8ec9a87e698ffe63ffbd396edadd56875a9d7cbfece92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "985b5c9d9c24d544cbd8ec9a87e698ffe63ffbd396edadd56875a9d7cbfece92", kill_on_drop: false }`
[INFO] [stdout] 985b5c9d9c24d544cbd8ec9a87e698ffe63ffbd396edadd56875a9d7cbfece92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ed9cca4c70e4d710b583ea2f0ac9c4b3a74991a106c22e599b4dc0f940900ca3
[INFO] running `Command { std: "docker" "start" "-a" "ed9cca4c70e4d710b583ea2f0ac9c4b3a74991a106c22e599b4dc0f940900ca3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling rustls v0.23.21
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]    Compiling serde_json v1.0.136
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking axum-core v0.5.0
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tokio-rustls v0.26.1
[INFO] [stderr]     Checking h2 v0.4.7
[INFO] [stderr]     Checking hyper v1.5.2
[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-1.5.2/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" "ed9cca4c70e4d710b583ea2f0ac9c4b3a74991a106c22e599b4dc0f940900ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9cca4c70e4d710b583ea2f0ac9c4b3a74991a106c22e599b4dc0f940900ca3", kill_on_drop: false }`
[INFO] [stdout] ed9cca4c70e4d710b583ea2f0ac9c4b3a74991a106c22e599b4dc0f940900ca3