[INFO] fetching crate confitdb 0.1.4...
[INFO] checking confitdb-0.1.4 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate confitdb 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate confitdb 0.1.4
[INFO] finished tweaking crates.io crate confitdb 0.1.4
[INFO] tweaked toml for crates.io crate confitdb 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate confitdb 0.1.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 158 packages to latest compatible versions
[INFO] [stderr]       Adding gethostname v0.2.3 (available: v1.1.0)
[INFO] [stderr]       Adding hyper v0.14.32 (available: v1.7.0)
[INFO] [stderr]       Adding serial_test v0.10.0 (available: v3.2.0)
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.8.2)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8e62c8bc30cd24fdac9972324b819b0a294d8dc30b77fadf7575a7ef7b21c0bd
[INFO] running `Command { std: "docker" "start" "-a" "8e62c8bc30cd24fdac9972324b819b0a294d8dc30b77fadf7575a7ef7b21c0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e62c8bc30cd24fdac9972324b819b0a294d8dc30b77fadf7575a7ef7b21c0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e62c8bc30cd24fdac9972324b819b0a294d8dc30b77fadf7575a7ef7b21c0bd", kill_on_drop: false }`
[INFO] [stdout] 8e62c8bc30cd24fdac9972324b819b0a294d8dc30b77fadf7575a7ef7b21c0bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ca515e466141fbba4cd83a0b3d24875d196e7b5b7f45095b6e6f0e28cb872765
[INFO] running `Command { std: "docker" "start" "-a" "ca515e466141fbba4cd83a0b3d24875d196e7b5b7f45095b6e6f0e28cb872765", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling serial_test_derive v0.10.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking serial_test v0.10.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.3
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking hashlru v0.6.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking vclock v0.2.3
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking ckey v0.1.1
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking confitul v0.1.4
[INFO] [stderr]     Checking hyper v0.14.32
[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-0.14.32/src/proto/h2/mod.rs:451:5
[INFO] [stdout]     |
[INFO] [stdout] 451 |     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" "ca515e466141fbba4cd83a0b3d24875d196e7b5b7f45095b6e6f0e28cb872765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca515e466141fbba4cd83a0b3d24875d196e7b5b7f45095b6e6f0e28cb872765", kill_on_drop: false }`
[INFO] [stdout] ca515e466141fbba4cd83a0b3d24875d196e7b5b7f45095b6e6f0e28cb872765