[INFO] fetching crate sparklepost 0.5.5...
[INFO] checking sparklepost-0.5.5 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate sparklepost 0.5.5 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate sparklepost 0.5.5
[INFO] finished tweaking crates.io crate sparklepost 0.5.5
[INFO] tweaked toml for crates.io crate sparklepost 0.5.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sparklepost 0.5.5 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 sparklepost 0.5.5 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] 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] 77b3c9a3b72b09f6307c75515ff148da9a0a5ea3f6826b755f1f65dd65d2bdc5
[INFO] running `Command { std: "docker" "start" "-a" "77b3c9a3b72b09f6307c75515ff148da9a0a5ea3f6826b755f1f65dd65d2bdc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77b3c9a3b72b09f6307c75515ff148da9a0a5ea3f6826b755f1f65dd65d2bdc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b3c9a3b72b09f6307c75515ff148da9a0a5ea3f6826b755f1f65dd65d2bdc5", kill_on_drop: false }`
[INFO] [stdout] 77b3c9a3b72b09f6307c75515ff148da9a0a5ea3f6826b755f1f65dd65d2bdc5
[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] f987b3a5c95d49a008c4c4725cb3a55d846f41403a1f365c82b6020dcc13db40
[INFO] running `Command { std: "docker" "start" "-a" "f987b3a5c95d49a008c4c4725cb3a55d846f41403a1f365c82b6020dcc13db40", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cc v1.0.104
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking tinyvec v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.69
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking h2 v0.4.5
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper v1.4.0
[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-1.4.0/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" "f987b3a5c95d49a008c4c4725cb3a55d846f41403a1f365c82b6020dcc13db40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f987b3a5c95d49a008c4c4725cb3a55d846f41403a1f365c82b6020dcc13db40", kill_on_drop: false }`
[INFO] [stdout] f987b3a5c95d49a008c4c4725cb3a55d846f41403a1f365c82b6020dcc13db40
