[INFO] fetching crate rama-http-backend 0.3.0-alpha.3...
[INFO] checking rama-http-backend-0.3.0-alpha.3 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate rama-http-backend 0.3.0-alpha.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rama-http-backend 0.3.0-alpha.3
[INFO] finished tweaking crates.io crate rama-http-backend 0.3.0-alpha.3
[INFO] tweaked toml for crates.io crate rama-http-backend 0.3.0-alpha.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rama-http-backend 0.3.0-alpha.3 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 rama-http-backend 0.3.0-alpha.3 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-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] 2632a7d9ca237359362d62562698f460e0d11e006cb10c6d71e48a4c5f463b1a
[INFO] running `Command { std: "docker" "start" "-a" "2632a7d9ca237359362d62562698f460e0d11e006cb10c6d71e48a4c5f463b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2632a7d9ca237359362d62562698f460e0d11e006cb10c6d71e48a4c5f463b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2632a7d9ca237359362d62562698f460e0d11e006cb10c6d71e48a4c5f463b1a", kill_on_drop: false }`
[INFO] [stdout] 2632a7d9ca237359362d62562698f460e0d11e006cb10c6d71e48a4c5f463b1a
[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] 8301b542f1be1c40ce806dcb0e897381b958a5a10857c7845ce5d4734ff3fe02
[INFO] running `Command { std: "docker" "start" "-a" "8301b542f1be1c40ce806dcb0e897381b958a5a10857c7845ce5d4734ff3fe02", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking cfg-if v1.0.3
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[INFO] [stderr]     Checking rama-utils v0.3.0-alpha.3
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking serde_html_form v0.2.7
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[INFO] [stderr]     Checking rama-core v0.3.0-alpha.3
[INFO] [stderr]     Checking h2 v0.4.12
[INFO] [stderr]     Checking hickory-proto v0.25.2
[INFO] [stderr]     Checking hickory-resolver v0.25.2
[INFO] [stderr]     Checking rama-http-types v0.3.0-alpha.3
[INFO] [stderr]     Checking rama-net v0.3.0-alpha.3
[INFO] [stderr]     Checking rama-dns v0.3.0-alpha.3
[INFO] [stderr]     Checking rama-unix v0.3.0-alpha.3
[INFO] [stderr]     Checking rama-tcp v0.3.0-alpha.3
[INFO] [stderr]     Checking rama-ua v0.3.0-alpha.3
[INFO] [stderr]     Checking rama-http v0.3.0-alpha.3
[INFO] [stderr]     Checking rama-http-core v0.3.0-alpha.3
[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/rama-http-core-0.3.0-alpha.3/src/proto/h2/mod.rs:433:5
[INFO] [stdout]     |
[INFO] [stdout] 433 |     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 `rama-http-core` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8301b542f1be1c40ce806dcb0e897381b958a5a10857c7845ce5d4734ff3fe02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8301b542f1be1c40ce806dcb0e897381b958a5a10857c7845ce5d4734ff3fe02", kill_on_drop: false }`
[INFO] [stdout] 8301b542f1be1c40ce806dcb0e897381b958a5a10857c7845ce5d4734ff3fe02
