[INFO] fetching crate aquatic_udp 0.8.0...
[INFO] checking aquatic_udp-0.8.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate aquatic_udp 0.8.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate aquatic_udp 0.8.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aquatic_udp 0.8.0
[INFO] finished tweaking crates.io crate aquatic_udp 0.8.0
[INFO] tweaked toml for crates.io crate aquatic_udp 0.8.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate aquatic_udp 0.8.0 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded privdrop v0.5.3
[INFO] [stderr]   Downloaded no-std-compat v0.4.1
[INFO] [stderr]   Downloaded aquatic_toml_config v0.8.0
[INFO] [stderr]   Downloaded metrics-macros v0.6.0
[INFO] [stderr]   Downloaded num_threads v0.1.6
[INFO] [stderr]   Downloaded generic-array v0.14.6
[INFO] [stderr]   Downloaded ahash v0.8.3
[INFO] [stderr]   Downloaded io-uring v0.5.13
[INFO] [stderr]   Downloaded git-testament-derive v0.1.14
[INFO] [stderr]   Downloaded sketches-ddsketch v0.2.0
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] [stderr]   Downloaded hwloc v0.5.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.7
[INFO] [stderr]   Downloaded metrics v0.20.1
[INFO] [stderr]   Downloaded arc-swap v1.6.0
[INFO] [stderr]   Downloaded nix v0.26.2
[INFO] [stderr]   Downloaded hdrhistogram v7.5.2
[INFO] [stderr]   Downloaded raw-cpuid v10.7.0
[INFO] [stderr]   Downloaded blake3 v1.3.3
[INFO] [stderr]   Downloaded duplicate v0.4.1
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.30
[INFO] [stderr]   Downloaded anyhow v1.0.70
[INFO] [stderr]   Downloaded metrics-util v0.14.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.15
[INFO] [stderr]   Downloaded ahash v0.7.6
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.7
[INFO] [stderr]   Downloaded aquatic_udp_protocol v0.8.0
[INFO] [stderr]   Downloaded memoffset v0.8.0
[INFO] [stderr]   Downloaded git-testament v0.2.4
[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded metrics-exporter-prometheus v0.11.0
[INFO] [stderr]   Downloaded constant_time_eq v0.2.5
[INFO] [stderr]   Downloaded quanta v0.10.1
[INFO] [stderr]   Downloaded quickcheck_macros v1.0.0
[INFO] [stderr]   Downloaded aquatic_common v0.8.0
[INFO] [stderr]   Downloaded mimalloc v0.1.34
[INFO] [stderr]   Downloaded aquatic_toml_config_derive v0.8.0
[INFO] [stderr]   Downloaded simple_logger v4.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e926e88c6056185212b899b8981c3e545689453dc54643f8df1c71b492f31510
[INFO] running `Command { std: "docker" "start" "-a" "e926e88c6056185212b899b8981c3e545689453dc54643f8df1c71b492f31510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e926e88c6056185212b899b8981c3e545689453dc54643f8df1c71b492f31510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e926e88c6056185212b899b8981c3e545689453dc54643f8df1c71b492f31510", kill_on_drop: false }`
[INFO] [stdout] e926e88c6056185212b899b8981c3e545689453dc54643f8df1c71b492f31510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52ec6c13cb7404453200f329d22304ce6c160ad0d4b7e59af19a58ab36318b5a
[INFO] running `Command { std: "docker" "start" "-a" "52ec6c13cb7404453200f329d22304ce6c160ad0d4b7e59af19a58ab36318b5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling serde_derive v1.0.157
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling serde v1.0.157
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.52/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "52ec6c13cb7404453200f329d22304ce6c160ad0d4b7e59af19a58ab36318b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ec6c13cb7404453200f329d22304ce6c160ad0d4b7e59af19a58ab36318b5a", kill_on_drop: false }`
[INFO] [stdout] 52ec6c13cb7404453200f329d22304ce6c160ad0d4b7e59af19a58ab36318b5a
