[INFO] fetching crate mun 0.4.0...
[INFO] checking mun-0.4.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate mun 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mun 0.4.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mun 0.4.0
[INFO] finished tweaking crates.io crate mun 0.4.0
[INFO] tweaked toml for crates.io crate mun 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate mun 0.4.0 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded extendhash v1.0.10
[INFO] [stderr]   Downloaded mun_target v0.4.0
[INFO] [stderr]   Downloaded yansi-term v0.1.2
[INFO] [stderr]   Downloaded smol_str v0.1.23
[INFO] [stderr]   Downloaded mun_codegen_macros v0.4.0
[INFO] [stderr]   Downloaded mun_paths v0.4.0
[INFO] [stderr]   Downloaded lsp-server v0.6.0
[INFO] [stderr]   Downloaded mun_abi v0.4.0
[INFO] [stderr]   Downloaded drop_bomb v0.1.5
[INFO] [stderr]   Downloaded lsp-types v0.93.2
[INFO] [stderr]   Downloaded aws-smithy-async v0.49.0
[INFO] [stderr]   Downloaded aws-endpoint v0.49.0
[INFO] [stderr]   Downloaded bytesize v1.1.0
[INFO] [stderr]   Downloaded llvm-sys v130.0.5
[INFO] [stderr]   Downloaded x509-certificate v0.15.0
[INFO] [stderr]   Downloaded seq-macro v0.3.1
[INFO] [stderr]   Downloaded aws-config v0.49.0
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.49.0
[INFO] [stderr]   Downloaded pest_derive v2.5.1
[INFO] [stderr]   Downloaded nix v0.26.1
[INFO] [stderr]   Downloaded mun_hir v0.4.0
[INFO] [stderr]   Downloaded mun_codegen v0.4.0
[INFO] [stderr]   Downloaded salsa v0.16.1
[INFO] [stderr]   Downloaded serde_repr v0.1.9
[INFO] [stderr]   Downloaded pest_meta v2.5.1
[INFO] [stderr]   Downloaded mdbook v0.4.22
[INFO] [stderr]   Downloaded aws-smithy-query v0.49.0
[INFO] [stderr]   Downloaded aws-sdk-sts v0.19.0
[INFO] [stderr]   Downloaded aws-smithy-json v0.49.0
[INFO] [stderr]   Downloaded aws-smithy-xml v0.49.0
[INFO] [stderr]   Downloaded aws-smithy-client v0.49.0
[INFO] [stderr]   Downloaded aws-smithy-eventstream v0.49.0
[INFO] [stderr]   Downloaded aws-smithy-types v0.49.0
[INFO] [stderr]   Downloaded aws-smithy-http v0.49.0
[INFO] [stderr]   Downloaded reqwest v0.11.13
[INFO] [stderr]   Downloaded num-bigint-dig v0.8.2
[INFO] [stderr]   Downloaded scroll_derive v0.11.0
[INFO] [stderr]   Downloaded spake2 v0.3.1
[INFO] [stderr]   Downloaded bcder v0.7.1
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.83
[INFO] [stderr]   Downloaded cxx-build v1.0.83
[INFO] [stderr]   Downloaded const-oid v0.9.1
[INFO] [stderr]   Downloaded yasna v0.5.0
[INFO] [stderr]   Downloaded rowan v0.15.10
[INFO] [stderr]   Downloaded mun_syntax v0.4.0
[INFO] [stderr]   Downloaded mun_libloader v0.4.0
[INFO] [stderr]   Downloaded mun_compiler_daemon v0.4.0
[INFO] [stderr]   Downloaded mun_language_server v0.4.0
[INFO] [stderr]   Downloaded is_executable v1.0.1
[INFO] [stderr]   Downloaded aws-sigv4 v0.49.0
[INFO] [stderr]   Downloaded crc32c v0.6.3
[INFO] [stderr]   Downloaded bytes-utils v0.1.3
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.3
[INFO] [stderr]   Downloaded dialoguer v0.10.2
[INFO] [stderr]   Downloaded minicbor v0.18.0
[INFO] [stderr]   Downloaded p12 v0.6.3
[INFO] [stderr]   Downloaded pkcs1 v0.4.1
[INFO] [stderr]   Downloaded konst v0.2.19
[INFO] [stderr]   Downloaded serde_json v1.0.89
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.83
[INFO] [stderr]   Downloaded cxx v1.0.83
[INFO] [stderr]   Downloaded apple-bundles v0.15.0
[INFO] [stderr]   Downloaded mun_project v0.4.0
[INFO] [stderr]   Downloaded cpio-archive v0.5.0
[INFO] [stderr]   Downloaded apple-xar v0.11.0
[INFO] [stderr]   Downloaded mun_skeptic v0.4.0
[INFO] [stderr]   Downloaded zip_structs v0.2.1
[INFO] [stderr]   Downloaded ra_ap_text_edit v0.0.142
[INFO] [stderr]   Downloaded mun_compiler v0.4.0
[INFO] [stderr]   Downloaded mun_capi_utils v0.4.0
[INFO] [stderr]   Downloaded ctrlc v3.2.4
[INFO] [stderr]   Downloaded tugger-file-manifest v0.10.0
[INFO] [stderr]   Downloaded annotate-snippets v0.9.1
[INFO] [stderr]   Downloaded aws-smithy-checksums v0.49.0
[INFO] [stderr]   Downloaded aws-types v0.49.0
[INFO] [stderr]   Downloaded inkwell_internals v0.6.0
[INFO] [stderr]   Downloaded jsonwebtoken v8.2.0
[INFO] [stderr]   Downloaded lockfile v0.4.0
[INFO] [stderr]   Downloaded rasn-derive v0.6.0
[INFO] [stderr]   Downloaded snafu-derive v0.7.3
[INFO] [stderr]   Downloaded snafu v0.7.3
[INFO] [stderr]   Downloaded simple-file-manifest v0.11.0
[INFO] [stderr]   Downloaded aws-sdk-sso v0.19.0
[INFO] [stderr]   Downloaded pest v2.5.1
[INFO] [stderr]   Downloaded aws-http v0.49.0
[INFO] [stderr]   Downloaded cc v1.0.77
[INFO] [stderr]   Downloaded apple-flat-package v0.11.0
[INFO] [stderr]   Downloaded mun_vfs v0.4.0
[INFO] [stderr]   Downloaded lld_rs v130.0.0
[INFO] [stderr]   Downloaded paste v1.0.10
[INFO] [stderr]   Downloaded mun_diagnostics v0.4.0
[INFO] [stderr]   Downloaded mun_memory v0.4.0
[INFO] [stderr]   Downloaded relative-path v1.7.2
[INFO] [stderr]   Downloaded notify v5.0.0
[INFO] [stderr]   Downloaded pest_generator v2.5.1
[INFO] [stderr]   Downloaded serde-xml-rs v0.6.0
[INFO] [stderr]   Downloaded mun_runtime v0.4.0
[INFO] [stderr]   Downloaded aws-sig-auth v0.49.0
[INFO] [stderr]   Downloaded minicbor-derive v0.12.0
[INFO] [stderr]   Downloaded oid-registry v0.6.1
[INFO] [stderr]   Downloaded plist v1.3.1
[INFO] [stderr]   Downloaded konst_macro_rules v0.2.19
[INFO] [stderr]   Downloaded rasn v0.6.1
[INFO] [stderr]   Downloaded hyper-rustls v0.23.2
[INFO] [stderr]   Downloaded inkwell v0.1.0-beta.5
[INFO] [stderr]   Downloaded bytes v1.3.0
[INFO] [stderr]   Downloaded by_address v1.1.0
[INFO] [stderr]   Downloaded salsa-macros v0.16.0
[INFO] [stderr]   Downloaded cryptographic-message-syntax v0.18.0
[INFO] [stderr]   Downloaded aws-sdk-s3 v0.19.0
[INFO] [stderr]   Downloaded apple-codesign v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98c1135ecd4328831e6a13985508fe82da1337f8d71adf0c176c1d3d9e68440b
[INFO] running `Command { std: "docker" "start" "-a" "98c1135ecd4328831e6a13985508fe82da1337f8d71adf0c176c1d3d9e68440b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98c1135ecd4328831e6a13985508fe82da1337f8d71adf0c176c1d3d9e68440b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c1135ecd4328831e6a13985508fe82da1337f8d71adf0c176c1d3d9e68440b", kill_on_drop: false }`
[INFO] [stdout] 98c1135ecd4328831e6a13985508fe82da1337f8d71adf0c176c1d3d9e68440b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e860054584e0513c328d870e38d6beb18a3566259e82fe8188aeedcc9172d3f1
[INFO] running `Command { std: "docker" "start" "-a" "e860054584e0513c328d870e38d6beb18a3566259e82fe8188aeedcc9172d3f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.150
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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] [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" "e860054584e0513c328d870e38d6beb18a3566259e82fe8188aeedcc9172d3f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e860054584e0513c328d870e38d6beb18a3566259e82fe8188aeedcc9172d3f1", kill_on_drop: false }`
[INFO] [stdout] e860054584e0513c328d870e38d6beb18a3566259e82fe8188aeedcc9172d3f1
