[INFO] fetching crate magic_migrate 2.0.0...
[INFO] documenting magic_migrate-2.0.0 against da3f5c31e5535b3dc210067de660a45784ae1e9c for pr-162169
[INFO] extracting crate magic_migrate 2.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate magic_migrate 2.0.0
[INFO] finished tweaking crates.io crate magic_migrate 2.0.0
[INFO] tweaked toml for crates.io crate magic_migrate 2.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate magic_migrate 2.0.0 on toolchain da3f5c31e5535b3dc210067de660a45784ae1e9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate magic_migrate 2.0.0 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" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 24243f782272aec943faa6a05f50b5acb05876e7f4a59a75d77ba65982c74ae3
[INFO] running `Command { std: "docker" "start" "24243f782272aec943faa6a05f50b5acb05876e7f4a59a75d77ba65982c74ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24243f782272aec943faa6a05f50b5acb05876e7f4a59a75d77ba65982c74ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "24243f782272aec943faa6a05f50b5acb05876e7f4a59a75d77ba65982c74ae3" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24243f782272aec943faa6a05f50b5acb05876e7f4a59a75d77ba65982c74ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "24243f782272aec943faa6a05f50b5acb05876e7f4a59a75d77ba65982c74ae3" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking winnow v0.7.12
[INFO] [stderr]     Checking toml_writer v1.0.2
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking toml_parser v1.0.2
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking serde_spanned v1.0.0
[INFO] [stderr]     Checking toml_datetime v0.7.0
[INFO] [stderr]     Checking toml v0.9.5
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling magic_migrate_derive v2.0.0
[INFO] [stderr]  Documenting magic_migrate v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]  --> src/mini_how.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | / pub struct MagicError {
[INFO] [stdout] 6 | |     inner: ErrorImpl,
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the way this is parsed might change in the future
[INFO] [stdout]   = help: starts near `````
[INFO] [stdout]   = help: ends near `````
[INFO] [stdout]   = note: `#[deny(rustdoc::unportable_markdown)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]  --> src/mini_how.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | / pub struct MagicError {
[INFO] [stdout] 6 | |     inner: ErrorImpl,
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the way this is parsed might change in the future
[INFO] [stdout]   = help: starts near `use magic_migrate::{MigrateError, TryMigrate};`
[INFO] [stdout]   = help: ends near `# assert!(matches!(&result, Err(MigrateError)), "Expected MagicMigrateError, got {:?}", &result)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `magic_migrate`
[INFO] running `Command { std: "docker" "inspect" "24243f782272aec943faa6a05f50b5acb05876e7f4a59a75d77ba65982c74ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24243f782272aec943faa6a05f50b5acb05876e7f4a59a75d77ba65982c74ae3", kill_on_drop: false }`
[INFO] [stdout] 24243f782272aec943faa6a05f50b5acb05876e7f4a59a75d77ba65982c74ae3