[INFO] fetching crate doc-assert 0.1.1...
[INFO] checking doc-assert-0.1.1 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate doc-assert 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate doc-assert 0.1.1
[INFO] finished tweaking crates.io crate doc-assert 0.1.1
[INFO] tweaked toml for crates.io crate doc-assert 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate doc-assert 0.1.1 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 doc-assert 0.1.1 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0cfb954968d043463bda4d7a0b2dc04f395a7e593a8fa1e5be67914394e9c0dc
[INFO] running `Command { std: "docker" "start" "-a" "0cfb954968d043463bda4d7a0b2dc04f395a7e593a8fa1e5be67914394e9c0dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cfb954968d043463bda4d7a0b2dc04f395a7e593a8fa1e5be67914394e9c0dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cfb954968d043463bda4d7a0b2dc04f395a7e593a8fa1e5be67914394e9c0dc", kill_on_drop: false }`
[INFO] [stdout] 0cfb954968d043463bda4d7a0b2dc04f395a7e593a8fa1e5be67914394e9c0dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 83e1cbc0dea641125852919c7c32f5022e25cf9eee24ddd32124e413b33f10ef
[INFO] running `Command { std: "docker" "start" "-a" "83e1cbc0dea641125852919c7c32f5022e25cf9eee24ddd32124e413b33f10ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling openssl v0.10.63
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking indexmap v2.2.2
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking similar v2.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]    Compiling openssl-sys v0.9.99
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking assert-json-diff v2.0.2
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper v0.14.28
[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-0.14.28/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" "83e1cbc0dea641125852919c7c32f5022e25cf9eee24ddd32124e413b33f10ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e1cbc0dea641125852919c7c32f5022e25cf9eee24ddd32124e413b33f10ef", kill_on_drop: false }`
[INFO] [stdout] 83e1cbc0dea641125852919c7c32f5022e25cf9eee24ddd32124e413b33f10ef