[INFO] fetching crate frenring 0.2.0-rc2...
[INFO] checking frenring-0.2.0-rc2 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate frenring 0.2.0-rc2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate frenring 0.2.0-rc2
[INFO] finished tweaking crates.io crate frenring 0.2.0-rc2
[INFO] tweaked toml for crates.io crate frenring 0.2.0-rc2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate frenring 0.2.0-rc2 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 frenring 0.2.0-rc2 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2cfd68d7fee5336115cb9512bdd3192e922fe892ea1b871a886663dacc7f9d35
[INFO] running `Command { std: "docker" "start" "-a" "2cfd68d7fee5336115cb9512bdd3192e922fe892ea1b871a886663dacc7f9d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cfd68d7fee5336115cb9512bdd3192e922fe892ea1b871a886663dacc7f9d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cfd68d7fee5336115cb9512bdd3192e922fe892ea1b871a886663dacc7f9d35", kill_on_drop: false }`
[INFO] [stdout] 2cfd68d7fee5336115cb9512bdd3192e922fe892ea1b871a886663dacc7f9d35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3c721bf256d4537d95e8378aa8353a778bd3b3fc34d6b74a24ef3125a6998549
[INFO] running `Command { std: "docker" "start" "-a" "3c721bf256d4537d95e8378aa8353a778bd3b3fc34d6b74a24ef3125a6998549", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v2.0.33
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]    Compiling zstd-sys v2.0.10+zstd.1.5.6
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling zstd-safe v6.0.6
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rustix v0.38.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking dtoa v1.0.8
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]    Compiling thiserror v1.0.55
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking dtoa-short v0.3.4
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking brotli-decompressor v2.3.4
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking servo_arc v0.1.1
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[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking http-body-util v0.1.1
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rustls-pemfile v2.1.1
[INFO] [stderr]     Checking quick-xml v0.27.1
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking uuid v1.4.0
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]     Checking clap_builder v4.3.10
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.55
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking htmlentity v1.3.1
[INFO] [stderr]     Checking uriparse v0.6.4
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking zstd v0.12.4
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking async-compression v0.4.0
[INFO] [stderr]     Checking clap v4.3.10
[INFO] [stderr]     Checking h2 v0.4.4
[INFO] [stderr]     Checking lol_html v1.2.1
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking feed-rs v1.3.0
[INFO] [stderr]     Checking hyper v1.2.0
[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-1.2.0/src/proto/h2/mod.rs:430:5
[INFO] [stdout]     |
[INFO] [stdout] 430 |     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" "3c721bf256d4537d95e8378aa8353a778bd3b3fc34d6b74a24ef3125a6998549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c721bf256d4537d95e8378aa8353a778bd3b3fc34d6b74a24ef3125a6998549", kill_on_drop: false }`
[INFO] [stdout] 3c721bf256d4537d95e8378aa8353a778bd3b3fc34d6b74a24ef3125a6998549