[INFO] fetching crate vplugin-package 0.1.0...
[INFO] testing vplugin-package-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate vplugin-package 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate vplugin-package 0.1.0
[INFO] finished tweaking crates.io crate vplugin-package 0.1.0
[INFO] tweaked toml for crates.io crate vplugin-package 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vplugin-package 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vplugin-package 0.1.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]   Downloaded toml_datetime v0.6.1
[INFO] [stderr]   Downloaded is_superuser v1.0.1
[INFO] [stderr]   Downloaded base64ct v1.6.0
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] [stderr]   Downloaded byteorder v1.4.3
[INFO] [stderr]   Downloaded generic-array v0.14.6
[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded sha1 v0.10.5
[INFO] [stderr]   Downloaded serde v1.0.156
[INFO] [stderr]   Downloaded env_logger v0.10.0
[INFO] [stderr]   Downloaded toml v0.7.3
[INFO] [stderr]   Downloaded miniz_oxide v0.6.2
[INFO] [stderr]   Downloaded flate2 v1.0.25
[INFO] [stderr]   Downloaded toml_edit v0.19.6
[INFO] [stderr]   Downloaded time v0.3.20
[INFO] [stderr]   Downloaded vplugin v0.2.1
[INFO] [stderr]   Downloaded serde_derive v1.0.156
[INFO] [stderr]   Downloaded aes v0.7.5
[INFO] [stderr]   Downloaded winnow v0.3.5
[INFO] [stderr]   Downloaded typenum v1.16.0
[INFO] [stderr]   Downloaded serde_spanned v0.6.1
[INFO] [stderr]   Downloaded regex v1.7.1
[INFO] [stderr]   Downloaded cipher v0.3.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.28
[INFO] [stderr]   Downloaded crc32fast v1.3.2
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded cpufeatures v0.2.5
[INFO] [stderr]   Downloaded jobserver v0.1.26
[INFO] [stderr]   Downloaded password-hash v0.4.2
[INFO] [stderr]   Downloaded sha2 v0.10.6
[INFO] [stderr]   Downloaded subtle v2.4.1
[INFO] [stderr]   Downloaded pkg-config v0.3.26
[INFO] [stderr]   Downloaded zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]   Downloaded zip v0.6.4
[INFO] [stderr]   Downloaded time-core v0.1.0
[INFO] [stderr]   Downloaded bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccc0409d43634f2a4f39f31c6152ebad8e4e797b7ee86fb86b29f214315b0a62
[INFO] running `Command { std: "docker" "start" "-a" "ccc0409d43634f2a4f39f31c6152ebad8e4e797b7ee86fb86b29f214315b0a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccc0409d43634f2a4f39f31c6152ebad8e4e797b7ee86fb86b29f214315b0a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc0409d43634f2a4f39f31c6152ebad8e4e797b7ee86fb86b29f214315b0a62", kill_on_drop: false }`
[INFO] [stdout] ccc0409d43634f2a4f39f31c6152ebad8e4e797b7ee86fb86b29f214315b0a62
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b526204ecfc13a09e5db7063da84497bdd7883b40cab7a074faf81e857c70848
[INFO] running `Command { std: "docker" "start" "-a" "b526204ecfc13a09e5db7063da84497bdd7883b40cab7a074faf81e857c70848", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.156
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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 rustix v0.36.9
[INFO] [stderr]    Compiling winnow v0.3.5
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling time v0.3.20
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling is_superuser v1.0.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling humantime v2.1.0
[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" "b526204ecfc13a09e5db7063da84497bdd7883b40cab7a074faf81e857c70848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b526204ecfc13a09e5db7063da84497bdd7883b40cab7a074faf81e857c70848", kill_on_drop: false }`
[INFO] [stdout] b526204ecfc13a09e5db7063da84497bdd7883b40cab7a074faf81e857c70848