[INFO] fetching crate pi_dns_resolver 0.3.0...
[INFO] testing pi_dns_resolver-0.3.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate pi_dns_resolver 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate pi_dns_resolver 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pi_dns_resolver 0.3.0
[INFO] tweaked toml for crates.io crate pi_dns_resolver 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pi_dns_resolver 0.3.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pi_dns_resolver 0.3.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pi_timer v0.1.0
[INFO] [stderr]   Downloaded pi_cancel_timer v0.2.0
[INFO] [stderr]   Downloaded pi_wheel v0.1.0
[INFO] [stderr]   Downloaded pi_wrr v0.1.1
[INFO] [stderr]   Downloaded pi_slot_deque v0.2.1
[INFO] [stderr]   Downloaded pi_slot_wheel v0.2.0
[INFO] [stderr]   Downloaded pi_hash v0.1.1
[INFO] [stderr]   Downloaded pi-async-rt v0.2.5
[INFO] [stderr]   Downloaded async-trait v0.1.87
[INFO] [stderr]   Downloaded pi_ext_heap v0.1.1
[INFO] [stderr]   Downloaded loom v0.5.6
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.14
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.23
[INFO] [stderr]   Downloaded st3 v0.4.1
[INFO] [stderr]   Downloaded generator v0.7.5
[INFO] [stderr]   Downloaded resolv-conf v0.7.0
[INFO] [stderr]   Downloaded zerocopy v0.8.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b6835269c3d6e7d7e33917d183e194f11dce3bcfac8d705962de0da92582c7a
[INFO] running `Command { std: "docker" "start" "-a" "2b6835269c3d6e7d7e33917d183e194f11dce3bcfac8d705962de0da92582c7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b6835269c3d6e7d7e33917d183e194f11dce3bcfac8d705962de0da92582c7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6835269c3d6e7d7e33917d183e194f11dce3bcfac8d705962de0da92582c7a", kill_on_drop: false }`
[INFO] [stdout] 2b6835269c3d6e7d7e33917d183e194f11dce3bcfac8d705962de0da92582c7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8c8304e210fe28d1a59d478d82a04b9defc80cebc131f624db411002aa97cea
[INFO] running `Command { std: "docker" "start" "-a" "f8c8304e210fe28d1a59d478d82a04b9defc80cebc131f624db411002aa97cea", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling litemap v0.7.5
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling once_cell v1.21.0
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling pi_ext_heap v0.1.1
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pi_ext_heap-0.1.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pi_ext_heap-0.1.1/src/lib.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![feature(inplace_iteration)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pi_ext_heap-0.1.1/src/lib.rs:146:1
[INFO] [stdout]     |
[INFO] [stdout] 146 | #![feature(trusted_len)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pi_ext_heap-0.1.1/src/lib.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | #![feature(exact_size_is_empty)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pi_ext_heap-0.1.1/src/lib.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | #![feature(extend_one)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling raw-cpuid v11.5.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pi_ext_heap` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f8c8304e210fe28d1a59d478d82a04b9defc80cebc131f624db411002aa97cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c8304e210fe28d1a59d478d82a04b9defc80cebc131f624db411002aa97cea", kill_on_drop: false }`
[INFO] [stdout] f8c8304e210fe28d1a59d478d82a04b9defc80cebc131f624db411002aa97cea
