[INFO] cloning repository https://github.com/nullstack/swc-plugin-nullstack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nullstack/swc-plugin-nullstack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnullstack%2Fswc-plugin-nullstack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnullstack%2Fswc-plugin-nullstack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec62c0bf8eb904a8c4ba13647f05c180e65d0aed
[INFO] checking nullstack/swc-plugin-nullstack/ec62c0bf8eb904a8c4ba13647f05c180e65d0aed against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnullstack%2Fswc-plugin-nullstack" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nullstack/swc-plugin-nullstack on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/nullstack/swc-plugin-nullstack
[INFO] finished tweaking git repo https://github.com/nullstack/swc-plugin-nullstack
[INFO] tweaked toml for git repo https://github.com/nullstack/swc-plugin-nullstack written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nullstack/swc-plugin-nullstack 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded swc_visit v0.5.4
[INFO] [stderr]   Downloaded sourcemap v6.2.1
[INFO] [stderr]   Downloaded swc_ecma_ast v0.96.5
[INFO] [stderr]   Downloaded swc_ecma_testing v0.20.8
[INFO] [stderr]   Downloaded swc_plugin_macro v0.9.10
[INFO] [stderr]   Downloaded swc_core v0.59.30
[INFO] [stderr]   Downloaded swc_plugin_proxy v0.25.3
[INFO] [stderr]   Downloaded swc_atoms v0.4.36
[INFO] [stderr]   Downloaded swc_error_reporters v0.13.32
[INFO] [stderr]   Downloaded swc_ecma_visit v0.82.5
[INFO] [stderr]   Downloaded relative-path v1.7.3
[INFO] [stderr]   Downloaded swc_ecma_codegen v0.129.12
[INFO] [stderr]   Downloaded swc_ecma_transforms_base v0.116.9
[INFO] [stderr]   Downloaded swc_common v0.29.31
[INFO] [stderr]   Downloaded swc_ecma_parser v0.124.9
[INFO] [stderr]   Downloaded swc_ecma_transforms_testing v0.119.9
[INFO] [stderr]   Downloaded swc_ecma_utils v0.107.9
[INFO] [stderr]   Downloaded swc_visit_macros v0.5.5
[INFO] [stderr]   Downloaded testing v0.31.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 626a8066f5f9089519305dc00304e1ddc73a6d887dcdbabe54c95a8653b81465
[INFO] running `Command { std: "docker" "start" "-a" "626a8066f5f9089519305dc00304e1ddc73a6d887dcdbabe54c95a8653b81465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "626a8066f5f9089519305dc00304e1ddc73a6d887dcdbabe54c95a8653b81465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "626a8066f5f9089519305dc00304e1ddc73a6d887dcdbabe54c95a8653b81465", kill_on_drop: false }`
[INFO] [stdout] 626a8066f5f9089519305dc00304e1ddc73a6d887dcdbabe54c95a8653b81465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 805a902e90161f0549c8bcafff7e37fa69781d9afe20bb2b95d471db05c59516
[INFO] running `Command { std: "docker" "start" "-a" "805a902e90161f0549c8bcafff7e37fa69781d9afe20bb2b95d471db05c59516", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 siphasher v0.3.10
[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" "805a902e90161f0549c8bcafff7e37fa69781d9afe20bb2b95d471db05c59516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805a902e90161f0549c8bcafff7e37fa69781d9afe20bb2b95d471db05c59516", kill_on_drop: false }`
[INFO] [stdout] 805a902e90161f0549c8bcafff7e37fa69781d9afe20bb2b95d471db05c59516