[INFO] fetching crate captval 0.1.2...
[INFO] checking captval-0.1.2 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate captval 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate captval 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate captval 0.1.2
[INFO] tweaked toml for crates.io crate captval 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate captval 0.1.2 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 captval 0.1.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b6a93224f34049ffe0791e9f468dd43b58014aa6e5d343e738caedb6c48d6a44
[INFO] running `Command { std: "docker" "start" "-a" "b6a93224f34049ffe0791e9f468dd43b58014aa6e5d343e738caedb6c48d6a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6a93224f34049ffe0791e9f468dd43b58014aa6e5d343e738caedb6c48d6a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a93224f34049ffe0791e9f468dd43b58014aa6e5d343e738caedb6c48d6a44", kill_on_drop: false }`
[INFO] [stdout] b6a93224f34049ffe0791e9f468dd43b58014aa6e5d343e738caedb6c48d6a44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8ae80cea907a53b6bf6f7b232f13a8b36aaa4f6bc09a98e5c72d9d35c40a89f6
[INFO] running `Command { std: "docker" "start" "-a" "8ae80cea907a53b6bf6f7b232f13a8b36aaa4f6bc09a98e5c72d9d35c40a89f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling cc v1.2.22
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking tokio v1.45.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking bytemuck v1.23.0
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]     Checking toml_write v0.1.1
[INFO] [stderr]     Checking winnow v0.7.10
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking deadpool-runtime v0.1.4
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]    Compiling tracing-test-macro v0.2.5
[INFO] [stderr]     Checking simplerand v1.5.1
[INFO] [stderr]     Checking atomic v0.6.0
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking jiff v0.2.13
[INFO] [stderr]     Checking claims v0.8.0
[INFO] [stderr]    Compiling captval_derive v0.1.2
[INFO] [stderr]     Checking uuid v1.16.0
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking mockd v0.4.47
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking tracing-serde v0.2.0
[INFO] [stderr]     Checking toml_datetime v0.6.9
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking http-serde v2.1.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.17
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stderr]     Checking toml_edit v0.22.26
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking deadpool v0.10.0
[INFO] [stderr]    Compiling rustls v0.23.27
[INFO] [stderr]     Checking h2 v0.4.10
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking assert-json-diff v2.0.2
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking toml v0.8.22
[INFO] [stderr]     Checking rustls-webpki v0.103.3
[INFO] [stderr]     Checking trybuild v1.0.105
[INFO] [stderr]     Checking tracing-bunyan-formatter v0.3.10
[INFO] [stderr]     Checking tracing-appender v0.2.3
[INFO] [stderr]     Checking tracing-test v0.2.5
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking tokio-rustls v0.26.2
[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-1.6.0/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" "8ae80cea907a53b6bf6f7b232f13a8b36aaa4f6bc09a98e5c72d9d35c40a89f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae80cea907a53b6bf6f7b232f13a8b36aaa4f6bc09a98e5c72d9d35c40a89f6", kill_on_drop: false }`
[INFO] [stdout] 8ae80cea907a53b6bf6f7b232f13a8b36aaa4f6bc09a98e5c72d9d35c40a89f6