[INFO] cloning repository https://github.com/json-rpc-specification/meta-schema
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/json-rpc-specification/meta-schema" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjson-rpc-specification%2Fmeta-schema", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjson-rpc-specification%2Fmeta-schema'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e462006c12bdb27babc990996fe0c84a41c0216
[INFO] checking json-rpc-specification/meta-schema/9e462006c12bdb27babc990996fe0c84a41c0216 against master#ab1d2444533d829e2d5cff6634cd3c70de6d7103 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjson-rpc-specification%2Fmeta-schema" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/json-rpc-specification/meta-schema
[INFO] finished tweaking git repo https://github.com/json-rpc-specification/meta-schema
[INFO] tweaked toml for git repo https://github.com/json-rpc-specification/meta-schema written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/json-rpc-specification/meta-schema on toolchain ab1d2444533d829e2d5cff6634cd3c70de6d7103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/json-rpc-specification/meta-schema 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" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a75904eb66211c65bc7026b99716af36f3eec7968d6826738328bae8a227d1a
[INFO] running `Command { std: "docker" "start" "-a" "2a75904eb66211c65bc7026b99716af36f3eec7968d6826738328bae8a227d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a75904eb66211c65bc7026b99716af36f3eec7968d6826738328bae8a227d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a75904eb66211c65bc7026b99716af36f3eec7968d6826738328bae8a227d1a", kill_on_drop: false }`
[INFO] [stdout] 2a75904eb66211c65bc7026b99716af36f3eec7968d6826738328bae8a227d1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ca7043f71f0db2c7a4ca732cebe461432e799eedbb2b3cb3a4de2dc56dd8ee9
[INFO] running `Command { std: "docker" "start" "-a" "7ca7043f71f0db2c7a4ca732cebe461432e799eedbb2b3cb3a4de2dc56dd8ee9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7ca7043f71f0db2c7a4ca732cebe461432e799eedbb2b3cb3a4de2dc56dd8ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca7043f71f0db2c7a4ca732cebe461432e799eedbb2b3cb3a4de2dc56dd8ee9", kill_on_drop: false }`
[INFO] [stdout] 7ca7043f71f0db2c7a4ca732cebe461432e799eedbb2b3cb3a4de2dc56dd8ee9