[INFO] fetching crate fast-rustc-ap-rustc_index 1.0.0...
[INFO] checking fast-rustc-ap-rustc_index-1.0.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate fast-rustc-ap-rustc_index 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fast-rustc-ap-rustc_index 1.0.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-rustc-ap-rustc_index 1.0.0
[INFO] finished tweaking crates.io crate fast-rustc-ap-rustc_index 1.0.0
[INFO] tweaked toml for crates.io crate fast-rustc-ap-rustc_index 1.0.0 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" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fast-rustc-ap-serialize v1.0.0
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2de5b722432a824a5d8354a0bcbc7590abc362bedeb280a0a3c8e5a78100cd7
[INFO] running `Command { std: "docker" "start" "-a" "e2de5b722432a824a5d8354a0bcbc7590abc362bedeb280a0a3c8e5a78100cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2de5b722432a824a5d8354a0bcbc7590abc362bedeb280a0a3c8e5a78100cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2de5b722432a824a5d8354a0bcbc7590abc362bedeb280a0a3c8e5a78100cd7", kill_on_drop: false }`
[INFO] [stdout] e2de5b722432a824a5d8354a0bcbc7590abc362bedeb280a0a3c8e5a78100cd7
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ca7f930b220546aaa921cd60489b6ef81a3fa477ac3057c2e7f3974d2d73f2d
[INFO] running `Command { std: "docker" "start" "-a" "6ca7f930b220546aaa921cd60489b6ef81a3fa477ac3057c2e7f3974d2d73f2d", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking fast-rustc-ap-serialize v1.0.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/fast-rustc-ap-serialize-1.0.0/lib.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(rustc_private, box_syntax)]
[INFO] [stdout]    |                           ^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/fast-rustc-ap-serialize-1.0.0/serialize.rs:652:12
[INFO] [stdout]     |
[INFO] [stdout] 652 |         Ok(box Decodable::decode(d)?)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 652 |         Ok(Box::new(Decodable::decode(d)?))
[INFO] [stdout]     |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fast-rustc-ap-serialize` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "6ca7f930b220546aaa921cd60489b6ef81a3fa477ac3057c2e7f3974d2d73f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca7f930b220546aaa921cd60489b6ef81a3fa477ac3057c2e7f3974d2d73f2d", kill_on_drop: false }`
[INFO] [stdout] 6ca7f930b220546aaa921cd60489b6ef81a3fa477ac3057c2e7f3974d2d73f2d
[INFO] checking fast-rustc-ap-rustc_index-1.0.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate fast-rustc-ap-rustc_index 1.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate fast-rustc-ap-rustc_index 1.0.0 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-rustc-ap-rustc_index 1.0.0
[INFO] finished tweaking crates.io crate fast-rustc-ap-rustc_index 1.0.0
[INFO] tweaked toml for crates.io crate fast-rustc-ap-rustc_index 1.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 793e47c7195bf42cf52aa0231773209744f84bf13f049ca8d632eab03e2b1eba
[INFO] running `Command { std: "docker" "start" "-a" "793e47c7195bf42cf52aa0231773209744f84bf13f049ca8d632eab03e2b1eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "793e47c7195bf42cf52aa0231773209744f84bf13f049ca8d632eab03e2b1eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793e47c7195bf42cf52aa0231773209744f84bf13f049ca8d632eab03e2b1eba", kill_on_drop: false }`
[INFO] [stdout] 793e47c7195bf42cf52aa0231773209744f84bf13f049ca8d632eab03e2b1eba
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9829c42a306bbfbcb58e4dec3b30e2402818535dc3bbbe6dca10db87d91038c2
[INFO] running `Command { std: "docker" "start" "-a" "9829c42a306bbfbcb58e4dec3b30e2402818535dc3bbbe6dca10db87d91038c2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "9829c42a306bbfbcb58e4dec3b30e2402818535dc3bbbe6dca10db87d91038c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9829c42a306bbfbcb58e4dec3b30e2402818535dc3bbbe6dca10db87d91038c2", kill_on_drop: false }`
[INFO] [stdout] 9829c42a306bbfbcb58e4dec3b30e2402818535dc3bbbe6dca10db87d91038c2