[INFO] cloning repository https://github.com/timvw/demo-observe-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timvw/demo-observe-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimvw%2Fdemo-observe-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimvw%2Fdemo-observe-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2f14ae02fa3c14ad985e6797128770ace672b18
[INFO] checking timvw/demo-observe-rs against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimvw%2Fdemo-observe-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/timvw/demo-observe-rs
[INFO] finished tweaking git repo https://github.com/timvw/demo-observe-rs
[INFO] tweaked toml for git repo https://github.com/timvw/demo-observe-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/timvw/demo-observe-rs 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 git repo https://github.com/timvw/demo-observe-rs 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-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] 1b3a68fe71b6957d5086c7ea120acf696b6c15e23893c1255660edae28c9cef7
[INFO] running `Command { std: "docker" "start" "-a" "1b3a68fe71b6957d5086c7ea120acf696b6c15e23893c1255660edae28c9cef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b3a68fe71b6957d5086c7ea120acf696b6c15e23893c1255660edae28c9cef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3a68fe71b6957d5086c7ea120acf696b6c15e23893c1255660edae28c9cef7", kill_on_drop: false }`
[INFO] [stdout] 1b3a68fe71b6957d5086c7ea120acf696b6c15e23893c1255660edae28c9cef7
[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] 944595fd6befb3240fab22314b80cf2da7240bc89f5d54738657564d8811096a
[INFO] running `Command { std: "docker" "start" "-a" "944595fd6befb3240fab22314b80cf2da7240bc89f5d54738657564d8811096a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.82
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling serde_json v1.0.131
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling rustls v0.23.15
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking clap_builder v4.5.21
[INFO] [stderr]     Checking webpki-roots v0.26.6
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking shellexpand v3.1.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling config-derive v0.15.0
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling pin-project-internal v1.1.6
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling prost-derive v0.13.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking openssl v0.10.68
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking tokio v1.41.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking opentelemetry v0.26.0
[INFO] [stderr]     Checking tower-http v0.6.2
[INFO] [stderr]     Checking clap v4.5.21
[INFO] [stderr]     Checking prost v0.13.3
[INFO] [stderr]     Checking opentelemetry-http v0.26.0
[INFO] [stderr]     Checking opentelemetry-appender-log v0.26.0
[INFO] [stderr]     Checking pin-project v1.1.6
[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 http-body-util v0.1.2
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking serde v1.0.215
[INFO] [stderr]     Checking native-tls v0.2.12
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking tokio-stream v0.1.16
[INFO] [stderr]     Checking tower v0.5.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.26.0
[INFO] [stderr]     Checking h2 v0.4.6
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking envy v0.4.2
[INFO] [stderr]     Checking opentelemetry_sdk v0.26.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking twelf v0.15.0
[INFO] [stderr]     Checking tracing-opentelemetry v0.27.0
[INFO] [stderr]     Checking hyper v1.5.0
[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-1.5.0/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] running `Command { std: "docker" "inspect" "944595fd6befb3240fab22314b80cf2da7240bc89f5d54738657564d8811096a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944595fd6befb3240fab22314b80cf2da7240bc89f5d54738657564d8811096a", kill_on_drop: false }`
[INFO] [stdout] 944595fd6befb3240fab22314b80cf2da7240bc89f5d54738657564d8811096a