[INFO] fetching crate trait-net 0.7.1...
[INFO] checking trait-net-0.7.1 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate trait-net 0.7.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate trait-net 0.7.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate trait-net 0.7.1
[INFO] tweaked toml for crates.io crate trait-net 0.7.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trait-net 0.7.1 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 trait-net 0.7.1 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-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] d2b9f51424fd873d3edb855b509d48238b8815eade8e4bc5c8eafcee8593d413
[INFO] running `Command { std: "docker" "start" "-a" "d2b9f51424fd873d3edb855b509d48238b8815eade8e4bc5c8eafcee8593d413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2b9f51424fd873d3edb855b509d48238b8815eade8e4bc5c8eafcee8593d413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b9f51424fd873d3edb855b509d48238b8815eade8e4bc5c8eafcee8593d413", kill_on_drop: false }`
[INFO] [stdout] d2b9f51424fd873d3edb855b509d48238b8815eade8e4bc5c8eafcee8593d413
[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] aab7a4677e2e10469c81d20ef1888b9185d081a12a914108762f81624b9b7506
[INFO] running `Command { std: "docker" "start" "-a" "aab7a4677e2e10469c81d20ef1888b9185d081a12a914108762f81624b9b7506", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]     Checking indexmap v2.4.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking rustls-pki-types v1.8.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking rustls-pemfile v2.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking tokio v1.39.3
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking trait-net v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.4.6
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v1.4.1
[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-1.4.1/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" "aab7a4677e2e10469c81d20ef1888b9185d081a12a914108762f81624b9b7506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab7a4677e2e10469c81d20ef1888b9185d081a12a914108762f81624b9b7506", kill_on_drop: false }`
[INFO] [stdout] aab7a4677e2e10469c81d20ef1888b9185d081a12a914108762f81624b9b7506