[INFO] fetching crate nenv 0.5.2...
[INFO] checking nenv-0.5.2 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate nenv 0.5.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate nenv 0.5.2 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 nenv 0.5.2
[INFO] finished tweaking crates.io crate nenv 0.5.2
[INFO] tweaked toml for crates.io crate nenv 0.5.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate nenv 0.5.2 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 miette v5.5.0
[INFO] [stderr]   Downloaded dunce v1.0.3
[INFO] [stderr]   Downloaded miette-derive v5.5.0
[INFO] [stderr]   Downloaded libflate_lz77 v1.1.0
[INFO] [stderr]   Downloaded xkcd_unreachable v0.1.1
[INFO] [stderr]   Downloaded async-trait v0.1.62
[INFO] [stderr]   Downloaded libflate v1.2.0
[INFO] [stderr]   Downloaded clap v4.1.1
[INFO] [stderr]   Downloaded object v0.30.2
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.4
[INFO] [stderr]   Downloaded security-framework v2.8.0
[INFO] [stderr]   Downloaded zstd-sys v2.0.5+zstd.1.5.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df91ba66a9c8533762ab4caddf60de32a80949d43e4087bfff3158083ace6e3d
[INFO] running `Command { std: "docker" "start" "-a" "df91ba66a9c8533762ab4caddf60de32a80949d43e4087bfff3158083ace6e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df91ba66a9c8533762ab4caddf60de32a80949d43e4087bfff3158083ace6e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df91ba66a9c8533762ab4caddf60de32a80949d43e4087bfff3158083ace6e3d", kill_on_drop: false }`
[INFO] [stdout] df91ba66a9c8533762ab4caddf60de32a80949d43e4087bfff3158083ace6e3d
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfbdb7d3848ab8c9c7ea7793b47443fda89e8d1c226d3b4f1b54326d30c57ee8
[INFO] running `Command { std: "docker" "start" "-a" "dfbdb7d3848ab8c9c7ea7793b47443fda89e8d1c226d3b4f1b54326d30c57ee8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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 pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking foreign-types v0.3.2
[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" "dfbdb7d3848ab8c9c7ea7793b47443fda89e8d1c226d3b4f1b54326d30c57ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfbdb7d3848ab8c9c7ea7793b47443fda89e8d1c226d3b4f1b54326d30c57ee8", kill_on_drop: false }`
[INFO] [stdout] dfbdb7d3848ab8c9c7ea7793b47443fda89e8d1c226d3b4f1b54326d30c57ee8
