[INFO] fetching crate libcst 1.1.0...
[INFO] checking libcst-1.1.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate libcst 1.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate libcst 1.1.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libcst 1.1.0
[INFO] finished tweaking crates.io crate libcst 1.1.0
[INFO] tweaked toml for crates.io crate libcst 1.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate libcst 1.1.0 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.9
[INFO] [stderr]   Downloaded pyo3-ffi v0.17.3
[INFO] [stderr]   Downloaded peg-runtime v0.8.1
[INFO] [stderr]   Downloaded smallvec v1.8.1
[INFO] [stderr]   Downloaded target-lexicon v0.12.4
[INFO] [stderr]   Downloaded annotate-snippets v0.6.1
[INFO] [stderr]   Downloaded peg v0.8.1
[INFO] [stderr]   Downloaded chic v1.2.2
[INFO] [stderr]   Downloaded clap v4.4.0
[INFO] [stderr]   Downloaded clap_builder v4.4.0
[INFO] [stderr]   Downloaded rustix v0.38.9
[INFO] [stderr]   Downloaded pyo3 v0.17.3
[INFO] [stderr]   Downloaded libcst_derive v1.1.0
[INFO] [stderr]   Downloaded peg-macros v0.8.1
[INFO] [stderr]   Downloaded indoc v1.0.6
[INFO] [stderr]   Downloaded pyo3-build-config v0.17.3
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.17.3
[INFO] [stderr]   Downloaded pyo3-macros v0.17.3
[INFO] [stderr]   Downloaded unindent v0.1.9
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed10bfd2dbdced20333480c374103b84f30d9428fabd53ca6fcbb6a5ea7aa1c2
[INFO] running `Command { std: "docker" "start" "-a" "ed10bfd2dbdced20333480c374103b84f30d9428fabd53ca6fcbb6a5ea7aa1c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed10bfd2dbdced20333480c374103b84f30d9428fabd53ca6fcbb6a5ea7aa1c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed10bfd2dbdced20333480c374103b84f30d9428fabd53ca6fcbb6a5ea7aa1c2", kill_on_drop: false }`
[INFO] [stdout] ed10bfd2dbdced20333480c374103b84f30d9428fabd53ca6fcbb6a5ea7aa1c2
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42e4efd864fddc8038847e06d5d1320cb0d8c0d28efd6fc290b3c3d32ed61ab6
[INFO] running `Command { std: "docker" "start" "-a" "42e4efd864fddc8038847e06d5d1320cb0d8c0d28efd6fc290b3c3d32ed61ab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking smallvec v1.8.1
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rustix v0.38.9
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling peg-runtime v0.8.1
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking unindent v0.1.9
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]    Compiling indoc v1.0.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking clap_builder v4.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[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" "42e4efd864fddc8038847e06d5d1320cb0d8c0d28efd6fc290b3c3d32ed61ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e4efd864fddc8038847e06d5d1320cb0d8c0d28efd6fc290b3c3d32ed61ab6", kill_on_drop: false }`
[INFO] [stdout] 42e4efd864fddc8038847e06d5d1320cb0d8c0d28efd6fc290b3c3d32ed61ab6
