[INFO] fetching crate rustzx 0.16.0...
[INFO] checking rustzx-0.16.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate rustzx 0.16.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rustzx 0.16.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustzx 0.16.0
[INFO] finished tweaking crates.io crate rustzx 0.16.0
[INFO] tweaked toml for crates.io crate rustzx 0.16.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rustzx 0.16.0 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustzx-z80 v0.16.0
[INFO] [stderr]   Downloaded enum_dispatch v0.3.6
[INFO] [stderr]   Downloaded from_variants_impl v0.6.0
[INFO] [stderr]   Downloaded from_variants v0.6.0
[INFO] [stderr]   Downloaded num_enum_derive v0.5.4
[INFO] [stderr]   Downloaded displaydoc v0.2.1
[INFO] [stderr]   Downloaded rustzx-core v0.16.0
[INFO] [stderr]   Downloaded anyhow v1.0.44
[INFO] [stderr]   Downloaded ringbuf v0.3.2
[INFO] [stderr]   Downloaded libloading v0.7.0
[INFO] [stderr]   Downloaded num_enum v0.5.4
[INFO] [stderr]   Downloaded simple_logger v2.1.0
[INFO] [stderr]   Downloaded combine v4.6.1
[INFO] [stderr]   Downloaded aym v0.16.0
[INFO] [stderr]   Downloaded rustzx-utils v0.16.0
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 874f987c9d90902d290c7cd1c25bc01db59538aa0b5209ce68ff9f421cf4c45f
[INFO] running `Command { std: "docker" "start" "-a" "874f987c9d90902d290c7cd1c25bc01db59538aa0b5209ce68ff9f421cf4c45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "874f987c9d90902d290c7cd1c25bc01db59538aa0b5209ce68ff9f421cf4c45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "874f987c9d90902d290c7cd1c25bc01db59538aa0b5209ce68ff9f421cf4c45f", kill_on_drop: false }`
[INFO] [stdout] 874f987c9d90902d290c7cd1c25bc01db59538aa0b5209ce68ff9f421cf4c45f
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] effa1c54e8ad2d0ea2d7eea0a20cf1c41ab309fa0dde503b289c3aa4ef96c39b
[INFO] running `Command { std: "docker" "start" "-a" "effa1c54e8ad2d0ea2d7eea0a20cf1c41ab309fa0dde503b289c3aa4ef96c39b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.53/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 pkg-config v0.3.20
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[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" "effa1c54e8ad2d0ea2d7eea0a20cf1c41ab309fa0dde503b289c3aa4ef96c39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "effa1c54e8ad2d0ea2d7eea0a20cf1c41ab309fa0dde503b289c3aa4ef96c39b", kill_on_drop: false }`
[INFO] [stdout] effa1c54e8ad2d0ea2d7eea0a20cf1c41ab309fa0dde503b289c3aa4ef96c39b
