[INFO] fetching crate amplify_derive_helpers 0.0.4...
[INFO] checking amplify_derive_helpers-0.0.4 against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] extracting crate amplify_derive_helpers 0.0.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate amplify_derive_helpers 0.0.4
[INFO] finished tweaking crates.io crate amplify_derive_helpers 0.0.4
[INFO] tweaked toml for crates.io crate amplify_derive_helpers 0.0.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate amplify_derive_helpers 0.0.4 on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd3ed0838479e3d6d3b3fc746a4c8ae933defda37463ef052d9cd637257c1655
[INFO] running `Command { std: "docker" "start" "-a" "fd3ed0838479e3d6d3b3fc746a4c8ae933defda37463ef052d9cd637257c1655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd3ed0838479e3d6d3b3fc746a4c8ae933defda37463ef052d9cd637257c1655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd3ed0838479e3d6d3b3fc746a4c8ae933defda37463ef052d9cd637257c1655", kill_on_drop: false }`
[INFO] [stdout] fd3ed0838479e3d6d3b3fc746a4c8ae933defda37463ef052d9cd637257c1655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca1f0f0d21d2c0a9c22130042381f5e4c3ee0a12cceba83ff736e59afa4a862
[INFO] running `Command { std: "docker" "start" "-a" "4ca1f0f0d21d2c0a9c22130042381f5e4c3ee0a12cceba83ff736e59afa4a862", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]     Checking unicode-ident v1.0.22
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking amplify_derive_helpers v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: unknown `doc` attribute `hide`
[INFO] [stdout]    --> src/attr.rs:492:7
[INFO] [stdout]     |
[INFO] [stdout] 492 | #[doc(hide)]
[INFO] [stdout]     |       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(invalid_doc_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `hide`
[INFO] [stdout]    --> src/attr.rs:494:11
[INFO] [stdout]     |
[INFO] [stdout] 494 |     #[doc(hide)]
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `hide`
[INFO] [stdout]    --> src/attr.rs:501:11
[INFO] [stdout]     |
[INFO] [stdout] 501 |     #[doc(hide)]
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `hide`
[INFO] [stdout]    --> src/attr.rs:492:7
[INFO] [stdout]     |
[INFO] [stdout] 492 | #[doc(hide)]
[INFO] [stdout]     |       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(invalid_doc_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `hide`
[INFO] [stdout]    --> src/attr.rs:494:11
[INFO] [stdout]     |
[INFO] [stdout] 494 |     #[doc(hide)]
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `hide`
[INFO] [stdout]    --> src/attr.rs:501:11
[INFO] [stdout]     |
[INFO] [stdout] 501 |     #[doc(hide)]
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amplify_derive_helpers` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `amplify_derive_helpers` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "4ca1f0f0d21d2c0a9c22130042381f5e4c3ee0a12cceba83ff736e59afa4a862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca1f0f0d21d2c0a9c22130042381f5e4c3ee0a12cceba83ff736e59afa4a862", kill_on_drop: false }`
[INFO] [stdout] 4ca1f0f0d21d2c0a9c22130042381f5e4c3ee0a12cceba83ff736e59afa4a862