[INFO] fetching crate docsify-cli 0.2.0...
[INFO] checking docsify-cli-0.2.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate docsify-cli 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate docsify-cli 0.2.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate docsify-cli 0.2.0
[INFO] finished tweaking crates.io crate docsify-cli 0.2.0
[INFO] tweaked toml for crates.io crate docsify-cli 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded markdown v0.3.0
[INFO] [stderr]   Downloaded pipeline v0.5.0
[INFO] [stderr]   Downloaded text-utils v0.2.5
[INFO] [stderr]   Downloaded notedown_ast v0.6.1
[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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 387ef3b1f7376613148c67e82c4b99e422230476c37d55a697bfbf628050e6d5
[INFO] running `Command { std: "docker" "start" "-a" "387ef3b1f7376613148c67e82c4b99e422230476c37d55a697bfbf628050e6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "387ef3b1f7376613148c67e82c4b99e422230476c37d55a697bfbf628050e6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387ef3b1f7376613148c67e82c4b99e422230476c37d55a697bfbf628050e6d5", kill_on_drop: false }`
[INFO] [stdout] 387ef3b1f7376613148c67e82c4b99e422230476c37d55a697bfbf628050e6d5
[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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e49c9f5454f94b6ed06d228a61e6cba0fda969d6d12aff9d73140e1baa1d39d
[INFO] running `Command { std: "docker" "start" "-a" "1e49c9f5454f94b6ed06d228a61e6cba0fda969d6d12aff9d73140e1baa1d39d", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking pipeline v0.5.0
[INFO] [stderr]     Checking text-utils v0.2.5
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking markdown v0.3.0
[INFO] [stderr]     Checking notedown_ast v0.6.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/notedown_ast-0.6.1/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `notedown_ast` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1e49c9f5454f94b6ed06d228a61e6cba0fda969d6d12aff9d73140e1baa1d39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e49c9f5454f94b6ed06d228a61e6cba0fda969d6d12aff9d73140e1baa1d39d", kill_on_drop: false }`
[INFO] [stdout] 1e49c9f5454f94b6ed06d228a61e6cba0fda969d6d12aff9d73140e1baa1d39d
