[INFO] fetching crate kannon_mail 0.1.0...
[INFO] checking kannon_mail-0.1.0 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate kannon_mail 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate kannon_mail 0.1.0
[INFO] finished tweaking crates.io crate kannon_mail 0.1.0
[INFO] tweaked toml for crates.io crate kannon_mail 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kannon_mail 0.1.0 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 kannon_mail 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] 252122f9bf05f4f5900561c096c72c08ed69fbf67a6dee465960509619314bd3
[INFO] running `Command { std: "docker" "start" "-a" "252122f9bf05f4f5900561c096c72c08ed69fbf67a6dee465960509619314bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "252122f9bf05f4f5900561c096c72c08ed69fbf67a6dee465960509619314bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "252122f9bf05f4f5900561c096c72c08ed69fbf67a6dee465960509619314bd3", kill_on_drop: false }`
[INFO] [stdout] 252122f9bf05f4f5900561c096c72c08ed69fbf67a6dee465960509619314bd3
[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] 41f9f6a21ee07c662d72baaaa0208ac6919da0b7b53eb537ac7e4f1db37c43f3
[INFO] running `Command { std: "docker" "start" "-a" "41f9f6a21ee07c662d72baaaa0208ac6919da0b7b53eb537ac7e4f1db37c43f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling cc v1.2.17
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling linux-raw-sys v0.9.3
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling multimap v0.10.0
[INFO] [stderr]    Compiling rustls v0.23.25
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking axum-core v0.5.2
[INFO] [stderr]     Checking matchit v0.8.4
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling tempfile v3.19.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking tokio v1.44.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]     Checking prost-types v0.13.5
[INFO] [stderr]     Checking rustls-webpki v0.103.1
[INFO] [stderr]    Compiling prost-build v0.13.5
[INFO] [stderr]     Checking tokio-util v0.7.14
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]    Compiling tonic-build v0.13.0
[INFO] [stderr]     Checking h2 v0.4.8
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tokio-rustls v0.26.2
[INFO] [stderr]    Compiling kannon_mail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking axum v0.8.3
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "41f9f6a21ee07c662d72baaaa0208ac6919da0b7b53eb537ac7e4f1db37c43f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f9f6a21ee07c662d72baaaa0208ac6919da0b7b53eb537ac7e4f1db37c43f3", kill_on_drop: false }`
[INFO] [stdout] 41f9f6a21ee07c662d72baaaa0208ac6919da0b7b53eb537ac7e4f1db37c43f3