[INFO] cloning repository https://github.com/fdionisi/ferrochain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fdionisi/ferrochain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffdionisi%2Fferrochain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffdionisi%2Fferrochain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91bd85d8166ef448ba98bb87d56023dc95e50b2c
[INFO] documenting fdionisi/ferrochain against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffdionisi%2Fferrochain" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fdionisi/ferrochain
[INFO] finished tweaking git repo https://github.com/fdionisi/ferrochain
[INFO] tweaked toml for git repo https://github.com/fdionisi/ferrochain written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fdionisi/ferrochain on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fdionisi/ferrochain 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/fdionisi/anthropic-sdk`
[INFO] [stderr]     Updating git repository `https://github.com/fdionisi/jina-sdk`
[INFO] [stderr]     Updating git repository `https://github.com/fdionisi/voyageai-sdk`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/fdionisi/exa-sdk`
[INFO] [stderr]     Updating git repository `https://github.com/fdionisi/tavily-sdk`
[INFO] [stderr]     Updating git repository `https://github.com/fdionisi/http-client-eventsource`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] documenting fdionisi/ferrochain against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffdionisi%2Fferrochain" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fdionisi/ferrochain
[INFO] finished tweaking git repo https://github.com/fdionisi/ferrochain
[INFO] tweaked toml for git repo https://github.com/fdionisi/ferrochain written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fdionisi/ferrochain on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fdionisi/ferrochain 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] documenting fdionisi/ferrochain against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffdionisi%2Fferrochain" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fdionisi/ferrochain
[INFO] finished tweaking git repo https://github.com/fdionisi/ferrochain
[INFO] tweaked toml for git repo https://github.com/fdionisi/ferrochain written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fdionisi/ferrochain on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fdionisi/ferrochain 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] documenting fdionisi/ferrochain against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffdionisi%2Fferrochain" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fdionisi/ferrochain
[INFO] finished tweaking git repo https://github.com/fdionisi/ferrochain
[INFO] tweaked toml for git repo https://github.com/fdionisi/ferrochain written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fdionisi/ferrochain on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fdionisi/ferrochain 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-tungstenite v0.23.1
[INFO] [stderr]   Downloaded revision v0.10.0
[INFO] [stderr]   Downloaded ulid v1.1.3
[INFO] [stderr]   Downloaded storekey v0.5.0
[INFO] [stderr]   Downloaded uuid-macro-internal v1.10.0
[INFO] [stderr]   Downloaded reblessive v0.4.1
[INFO] [stderr]   Downloaded nanoid v0.4.0
[INFO] [stderr]   Downloaded surrealdb-derive v0.12.0
[INFO] [stderr]   Downloaded wasmtimer v0.2.1
[INFO] [stderr]   Downloaded rstar v0.12.0
[INFO] [stderr]   Downloaded derive_utils v0.14.2
[INFO] [stderr]   Downloaded geo-types v0.7.13
[INFO] [stderr]   Downloaded quinn-udp v0.5.5
[INFO] [stderr]   Downloaded tree-sitter-language v0.1.2
[INFO] [stderr]   Downloaded async-graphql-parser v7.0.11
[INFO] [stderr]   Downloaded derive_builder_core v0.20.1
[INFO] [stderr]   Downloaded delegate v0.10.0
[INFO] [stderr]   Downloaded auto_enums v0.8.6
[INFO] [stderr]   Downloaded prost-types v0.13.2
[INFO] [stderr]   Downloaded serde_yml v0.0.12
[INFO] [stderr]   Downloaded pulldown-cmark v0.11.3
[INFO] [stderr]   Downloaded tree-sitter v0.23.2
[INFO] [stderr]   Downloaded dmp v0.2.0
[INFO] [stderr]   Downloaded cedar-policy v2.4.2
[INFO] [stderr]   Downloaded tree-sitter-rust v0.23.0
[INFO] [stderr]   Downloaded rustix v0.38.36
[INFO] [stderr]   Downloaded spade v2.12.1
[INFO] [stderr]   Downloaded cedar-policy-core v2.4.2
[INFO] [stderr]   Downloaded neo4rs-macros v0.3.0
[INFO] [stderr]   Downloaded robust v1.1.0
[INFO] [stderr]   Downloaded surrealdb-core v2.0.4
[INFO] [stderr]   Downloaded earcutr v0.4.3
[INFO] [stderr]   Downloaded any_ascii v0.3.2
[INFO] [stderr]   Downloaded webpki-roots v0.26.5
[INFO] [stderr]   Downloaded lexicmp v0.1.0
[INFO] [stderr]   Downloaded derive_builder_macro v0.20.1
[INFO] [stderr]   Downloaded rustls-webpki v0.102.7
[INFO] [stderr]   Downloaded async-graphql v7.0.11
[INFO] [stderr]   Downloaded rustls v0.23.12
[INFO] [stderr]   Downloaded tree-sitter-javascript v0.23.0
[INFO] [stderr]   Downloaded tree-sitter-python v0.23.2
[INFO] [stderr]   Downloaded neo4rs v0.8.0
[INFO] [stderr]   Downloaded pest v2.7.14
[INFO] [stderr]   Downloaded unicode-security v0.1.2
[INFO] [stderr]   Downloaded text-splitter v0.14.1
[INFO] [stderr]   Downloaded object_store v0.10.2
[INFO] [stderr]   Downloaded libyml v0.0.5
[INFO] [stderr]   Downloaded tonic v0.12.2
[INFO] [stderr]   Downloaded qdrant-client v1.11.2
[INFO] [stderr]   Downloaded roaring v0.10.6
[INFO] [stderr]   Downloaded rustls-pki-types v1.8.0
[INFO] [stderr]   Downloaded async-graphql-derive v7.0.11
[INFO] [stderr]   Downloaded async-graphql-value v7.0.11
[INFO] [stderr]   Downloaded addr v0.15.6
[INFO] [stderr]   Downloaded cedar-policy-validator v2.4.2
[INFO] [stderr]   Downloaded linfa-linalg v0.1.0
[INFO] [stderr]   Downloaded geo v0.28.0
[INFO] [stderr]   Downloaded derive_builder v0.20.1
[INFO] [stderr]   Downloaded hyper-util v0.1.7
[INFO] [stderr]   Downloaded ammonia v4.0.0
[INFO] [stderr]   Downloaded static_assertions_next v1.1.2
[INFO] [stderr]   Downloaded tree-sitter-md v0.2.3
[INFO] [stderr]   Downloaded firecrawl v1.0.0
[INFO] [stderr]   Downloaded rust-stemmers v1.2.0
[INFO] [stderr]   Downloaded psm v0.1.23
[INFO] [stderr]   Downloaded deunicode v1.6.0
[INFO] [stderr]   Downloaded quick_cache v0.5.2
[INFO] [stderr]   Downloaded rmpv v1.3.0
[INFO] [stderr]   Downloaded serde-content v0.1.0
[INFO] [stderr]   Downloaded rustc_lexer v0.1.0
[INFO] [stderr]   Downloaded geographiclib-rs v0.2.4
[INFO] [stderr]   Downloaded revision-derive v0.10.0
[INFO] [stderr]   Downloaded trice v0.4.0
[INFO] [stderr]   Downloaded surrealdb v2.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76f77bfc7dd0579c6d879264833130a9fa6d6f5e2be9f169a78fec0923e47c1f
[INFO] running `Command { std: "docker" "start" "-a" "76f77bfc7dd0579c6d879264833130a9fa6d6f5e2be9f169a78fec0923e47c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76f77bfc7dd0579c6d879264833130a9fa6d6f5e2be9f169a78fec0923e47c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f77bfc7dd0579c6d879264833130a9fa6d6f5e2be9f169a78fec0923e47c1f", kill_on_drop: false }`
[INFO] [stdout] 76f77bfc7dd0579c6d879264833130a9fa6d6f5e2be9f169a78fec0923e47c1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed93f357e13e9688060cdc84fe5ff9f4a50f9dacc66eb73615a9b53463498d82
[INFO] running `Command { std: "docker" "start" "-a" "ed93f357e13e9688060cdc84fe5ff9f4a50f9dacc66eb73615a9b53463498d82", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling schemars v0.8.21
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling schemars_derive v0.8.21
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]  Documenting ferrochain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.03s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ferrochain/index.html
[INFO] running `Command { std: "docker" "inspect" "ed93f357e13e9688060cdc84fe5ff9f4a50f9dacc66eb73615a9b53463498d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed93f357e13e9688060cdc84fe5ff9f4a50f9dacc66eb73615a9b53463498d82", kill_on_drop: false }`
[INFO] [stdout] ed93f357e13e9688060cdc84fe5ff9f4a50f9dacc66eb73615a9b53463498d82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3537289d19438a96391477244715207bbe834cfd9586da8a076361c021632f3
[INFO] running `Command { std: "docker" "start" "-a" "f3537289d19438a96391477244715207bbe834cfd9586da8a076361c021632f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling anyhow v1.0.91
[INFO] [stdout] error[E0425]: cannot find type `SourceFile` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.86/src/wrapper.rs:365:26
[INFO] [stdout]     |
[INFO] [stdout] 365 |     Compiler(proc_macro::SourceFile),
[INFO] [stdout]     |                          ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `SourceFile`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 365 -     Compiler(proc_macro::SourceFile),
[INFO] [stdout] 365 +     Compiler(SourceFile),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `SourceFile` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.86/src/wrapper.rs:371:32
[INFO] [stdout]     |
[INFO] [stdout] 371 |     fn nightly(sf: proc_macro::SourceFile) -> Self {
[INFO] [stdout]     |                                ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `SourceFile`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 371 -     fn nightly(sf: proc_macro::SourceFile) -> Self {
[INFO] [stdout] 371 +     fn nightly(sf: SourceFile) -> Self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `source_file` found for reference `&proc_macro::Span` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.86/src/wrapper.rs:461:56
[INFO] [stdout]     |
[INFO] [stdout] 461 |             Span::Compiler(s) => SourceFile::nightly(s.source_file()),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `source` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 461 -             Span::Compiler(s) => SourceFile::nightly(s.source_file()),
[INFO] [stdout] 461 +             Span::Compiler(s) => SourceFile::nightly(s.source()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f3537289d19438a96391477244715207bbe834cfd9586da8a076361c021632f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3537289d19438a96391477244715207bbe834cfd9586da8a076361c021632f3", kill_on_drop: false }`
[INFO] [stdout] f3537289d19438a96391477244715207bbe834cfd9586da8a076361c021632f3