[INFO] fetching crate bem 0.2.7... [INFO] checking bem-0.2.7 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate bem 0.2.7 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate bem 0.2.7 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bem 0.2.7 [INFO] finished tweaking crates.io crate bem 0.2.7 [INFO] tweaked toml for crates.io crate bem 0.2.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate bem 0.2.7 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tempfile v3.7.1 [INFO] [stderr] Downloaded windows-targets v0.48.2 [INFO] [stderr] Downloaded semver v1.0.18 [INFO] [stderr] Downloaded pest_consume v1.1.3 [INFO] [stderr] Downloaded walkdir v2.3.3 [INFO] [stderr] Downloaded cargo-platform v0.1.3 [INFO] [stderr] Downloaded curl v0.4.44 [INFO] [stderr] Downloaded gzip-header v0.3.0 [INFO] [stderr] Downloaded insta v1.31.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.48.2 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.48.2 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.48.2 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.48.2 [INFO] [stderr] Downloaded windows_i686_msvc v0.48.2 [INFO] [stderr] Downloaded libgit2-sys v0.15.2+1.6.4 [INFO] [stderr] Downloaded fallible-iterator v0.3.0 [INFO] [stderr] Downloaded libssh2-sys v0.3.0 [INFO] [stderr] Downloaded openssl-sys v0.9.91 [INFO] [stderr] Downloaded url v2.4.0 [INFO] [stderr] Downloaded git2 v0.17.2 [INFO] [stderr] Downloaded indexmap v1.8.2 [INFO] [stderr] Downloaded object v0.26.2 [INFO] [stderr] Downloaded llvm_profparser v0.3.3 [INFO] [stderr] Downloaded curl-sys v0.4.65+curl-8.2.1 [INFO] [stderr] Downloaded ruzstd v0.3.1 [INFO] [stderr] Downloaded rustix v0.36.15 [INFO] [stderr] Downloaded quick-xml v0.29.0 [INFO] [stderr] Downloaded hashbrown v0.14.0 [INFO] [stderr] Downloaded indexmap v2.0.0 [INFO] [stderr] Downloaded winnow v0.5.10 [INFO] [stderr] Downloaded toml_edit v0.19.14 [INFO] [stderr] Downloaded toml v0.7.6 [INFO] [stderr] Downloaded chrono v0.4.26 [INFO] [stderr] Downloaded anstyle-wincon v1.0.2 [INFO] [stderr] Downloaded clap_builder v4.3.21 [INFO] [stderr] Downloaded clap v4.3.21 [INFO] [stderr] Downloaded similar v2.2.1 [INFO] [stderr] Downloaded pest_derive v2.7.2 [INFO] [stderr] Downloaded syn v2.0.28 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.48.2 [INFO] [stderr] Downloaded coveralls-api v0.5.0 [INFO] [stderr] Downloaded humantime-serde v1.1.1 [INFO] [stderr] Downloaded anyhow v1.0.73 [INFO] [stderr] Downloaded procfs v0.15.1 [INFO] [stderr] Downloaded cargo-tarpaulin v0.26.1 [INFO] [stderr] Downloaded anstyle v1.0.1 [INFO] [stderr] Downloaded pest_consume_macros v1.1.0 [INFO] [stderr] Downloaded thiserror-impl v1.0.45 [INFO] [stderr] Downloaded thiserror v1.0.45 [INFO] [stderr] Downloaded pest v2.7.2 [INFO] [stderr] Downloaded pest_generator v2.7.2 [INFO] [stderr] Downloaded quote v1.0.32 [INFO] [stderr] Downloaded serde_json v1.0.104 [INFO] [stderr] Downloaded clap_lex v0.5.0 [INFO] [stderr] Downloaded clap_derive v4.3.12 [INFO] [stderr] Downloaded pest_meta v2.7.2 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.48.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d1fa8b5f80e87204846c0acdc40fe15cb8d3e920077b13bf76fe6cc241e9bf9c [INFO] running `Command { std: "docker" "start" "-a" "d1fa8b5f80e87204846c0acdc40fe15cb8d3e920077b13bf76fe6cc241e9bf9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d1fa8b5f80e87204846c0acdc40fe15cb8d3e920077b13bf76fe6cc241e9bf9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1fa8b5f80e87204846c0acdc40fe15cb8d3e920077b13bf76fe6cc241e9bf9c", kill_on_drop: false }` [INFO] [stdout] d1fa8b5f80e87204846c0acdc40fe15cb8d3e920077b13bf76fe6cc241e9bf9c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 37fd7bd16c1cccf085a23b1249511f945a459e4b73ed1d56deaa30d5ed8d8bb4 [INFO] running `Command { std: "docker" "start" "-a" "37fd7bd16c1cccf085a23b1249511f945a459e4b73ed1d56deaa30d5ed8d8bb4", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling serde v1.0.183 [INFO] [stderr] Compiling serde_derive v1.0.183 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling thiserror v1.0.45 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling rustix v0.38.8 [INFO] [stderr] Checking linux-raw-sys v0.4.5 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Compiling semver v1.0.18 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking flate2 v1.0.27 [INFO] [stderr] Checking anstyle v1.0.1 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking aho-corasick v1.0.4 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking hashbrown v0.14.0 [INFO] [stderr] Checking percent-encoding v2.3.0 [INFO] [stderr] Checking pin-project-lite v0.2.12 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Compiling anyhow v1.0.73 [INFO] [stderr] Compiling camino v1.1.6 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Compiling jobserver v0.1.26 [INFO] [stderr] Compiling curl v0.4.44 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking regex-syntax v0.7.4 [INFO] [stderr] Compiling cc v1.0.82 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Compiling rustix v0.36.15 [INFO] [stderr] Checking idna v0.4.0 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking indexmap v2.0.0 [INFO] [stderr] Checking form_urlencoded v1.2.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking twox-hash v1.6.3 [INFO] [stderr] Checking gzip-header v0.3.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking md5 v0.7.0 [INFO] [stderr] Checking chrono v0.4.26 [INFO] [stderr] Compiling procfs v0.15.1 [INFO] [stderr] Compiling llvm_profparser v0.3.3 [INFO] [stderr] Checking winnow v0.5.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking url v2.4.0 [INFO] [stderr] Compiling cargo-tarpaulin v0.26.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Checking object v0.26.2 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking leb128 v0.2.5 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Checking anstream v0.3.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking clap_builder v4.3.21 [INFO] [stderr] Checking regex-automata v0.3.6 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Checking console v0.15.7 [INFO] [stderr] Compiling libz-sys v1.1.12 [INFO] [stderr] Compiling openssl-sys v0.9.91 [INFO] [stderr] Compiling curl-sys v0.4.65+curl-8.2.1 [INFO] [stderr] Compiling libssh2-sys v0.3.0 [INFO] [stderr] Compiling libgit2-sys v0.15.2+1.6.4 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking serde_spanned v0.6.3 [INFO] [stderr] Checking toml_datetime v0.6.3 [INFO] [stderr] Checking cargo-platform v0.1.3 [INFO] [stderr] Checking toml_edit v0.19.14 [INFO] [stderr] Checking humantime-serde v1.1.1 [INFO] [stderr] Checking gimli v0.27.3 [INFO] [stderr] Checking quick-xml v0.29.0 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking fastrand v2.0.0 [INFO] [stderr] Checking fallible-iterator v0.3.0 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking similar v2.2.1 [INFO] [stderr] Checking tempfile v3.7.1 [INFO] [stderr] Checking insta v1.31.0 [INFO] [stderr] Checking regex v1.9.3 [INFO] [stderr] Compiling pest_consume_macros v1.1.0 [INFO] [stderr] Compiling thiserror-impl v1.0.45 [INFO] [stderr] Compiling tracing-attributes v0.1.26 [INFO] [stderr] Compiling clap_derive v4.3.12 [INFO] [stderr] Checking toml v0.7.6 [INFO] [stderr] Checking coveralls-api v0.5.0 [INFO] [stderr] Checking pest v2.7.2 [INFO] [stderr] Checking ruzstd v0.3.1 [INFO] [stderr] Checking cargo_metadata v0.15.4 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking object v0.31.1 [INFO] [stderr] Checking clap v4.3.21 [INFO] [stderr] Compiling pest_meta v2.7.2 [INFO] [stderr] Compiling pest_generator v2.7.2 [INFO] [stderr] Compiling pest_derive v2.7.2 [INFO] [stderr] Checking pest_consume v1.1.3 [INFO] [stderr] Checking bem v0.2.7 (/opt/rustwide/workdir) [INFO] [stderr] Checking git2 v0.17.2 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.85s [INFO] running `Command { std: "docker" "inspect" "37fd7bd16c1cccf085a23b1249511f945a459e4b73ed1d56deaa30d5ed8d8bb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37fd7bd16c1cccf085a23b1249511f945a459e4b73ed1d56deaa30d5ed8d8bb4", kill_on_drop: false }` [INFO] [stdout] 37fd7bd16c1cccf085a23b1249511f945a459e4b73ed1d56deaa30d5ed8d8bb4 [INFO] checking bem-0.2.7 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate bem 0.2.7 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate bem 0.2.7 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bem 0.2.7 [INFO] finished tweaking crates.io crate bem 0.2.7 [INFO] tweaked toml for crates.io crate bem 0.2.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate bem 0.2.7 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d7839afa1a1823e167dad497b1550d207a201d86b643130fff52c19fa642efa [INFO] running `Command { std: "docker" "start" "-a" "5d7839afa1a1823e167dad497b1550d207a201d86b643130fff52c19fa642efa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d7839afa1a1823e167dad497b1550d207a201d86b643130fff52c19fa642efa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d7839afa1a1823e167dad497b1550d207a201d86b643130fff52c19fa642efa", kill_on_drop: false }` [INFO] [stdout] 5d7839afa1a1823e167dad497b1550d207a201d86b643130fff52c19fa642efa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 567375f02c84747b65e7a9aac4d83c93d7bbe4d70955315e4c028af9223c3e30 [INFO] running `Command { std: "docker" "start" "-a" "567375f02c84747b65e7a9aac4d83c93d7bbe4d70955315e4c028af9223c3e30", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling serde v1.0.183 [INFO] [stderr] Compiling serde_derive v1.0.183 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling thiserror v1.0.45 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling rustix v0.38.8 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Checking linux-raw-sys v0.4.5 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.183/src/lib_precompiled.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | panic!(); [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `serde_derive` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "567375f02c84747b65e7a9aac4d83c93d7bbe4d70955315e4c028af9223c3e30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "567375f02c84747b65e7a9aac4d83c93d7bbe4d70955315e4c028af9223c3e30", kill_on_drop: false }` [INFO] [stdout] 567375f02c84747b65e7a9aac4d83c93d7bbe4d70955315e4c028af9223c3e30