[INFO] fetching crate html_to_epub 0.1.4...
[INFO] checking html_to_epub-0.1.4 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate html_to_epub 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate html_to_epub 0.1.4
[INFO] finished tweaking crates.io crate html_to_epub 0.1.4
[INFO] tweaked toml for crates.io crate html_to_epub 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate html_to_epub 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] crate crates.io crate html_to_epub 0.1.4 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] 48453f4a91a94d3520a49f1bbd0979c08877d0ed6cac41ac034799043d0d8196
[INFO] running `Command { std: "docker" "start" "-a" "48453f4a91a94d3520a49f1bbd0979c08877d0ed6cac41ac034799043d0d8196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48453f4a91a94d3520a49f1bbd0979c08877d0ed6cac41ac034799043d0d8196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48453f4a91a94d3520a49f1bbd0979c08877d0ed6cac41ac034799043d0d8196", kill_on_drop: false }`
[INFO] [stdout] 48453f4a91a94d3520a49f1bbd0979c08877d0ed6cac41ac034799043d0d8196
[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] 77e4c2de2283c0749b3b5f5c13d7e379c2ef541c3990f0c3f130defe126f023e
[INFO] running `Command { std: "docker" "start" "-a" "77e4c2de2283c0749b3b5f5c13d7e379c2ef541c3990f0c3f130defe126f023e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking http v1.2.0
[INFO] [stderr]    Compiling openssl v0.10.62
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking time v0.3.37
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking eyre v0.6.12
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking upon v0.7.1
[INFO] [stderr]     Checking uuid v1.11.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking tempfile v3.9.0
[INFO] [stderr]     Checking epub-builder v0.7.4
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking tokio v1.42.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking htmlentity v1.3.1
[INFO] [stderr]     Checking rphtml v0.5.10
[INFO] [stderr]     Checking visdom v1.0.2
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.4.7
[INFO] [stderr]     Checking hyper v1.5.1
[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-1.5.1/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" "77e4c2de2283c0749b3b5f5c13d7e379c2ef541c3990f0c3f130defe126f023e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e4c2de2283c0749b3b5f5c13d7e379c2ef541c3990f0c3f130defe126f023e", kill_on_drop: false }`
[INFO] [stdout] 77e4c2de2283c0749b3b5f5c13d7e379c2ef541c3990f0c3f130defe126f023e