[INFO] fetching crate with_builtin_macros-proc_macros 0.1.0...
[INFO] checking with_builtin_macros-proc_macros-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate with_builtin_macros-proc_macros 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate with_builtin_macros-proc_macros 0.1.0
[INFO] finished tweaking crates.io crate with_builtin_macros-proc_macros 0.1.0
[INFO] tweaked toml for crates.io crate with_builtin_macros-proc_macros 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate with_builtin_macros-proc_macros 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5aa11ce929c5b158563be0cdeb251ba4d0d45a8879a16be2bd697a2be9f8b22
[INFO] running `Command { std: "docker" "start" "-a" "c5aa11ce929c5b158563be0cdeb251ba4d0d45a8879a16be2bd697a2be9f8b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5aa11ce929c5b158563be0cdeb251ba4d0d45a8879a16be2bd697a2be9f8b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5aa11ce929c5b158563be0cdeb251ba4d0d45a8879a16be2bd697a2be9f8b22", kill_on_drop: false }`
[INFO] [stdout] c5aa11ce929c5b158563be0cdeb251ba4d0d45a8879a16be2bd697a2be9f8b22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa435278ced84a11c89dad9a879005f556eab1d0c7afe8b31951f3d496f97e6f
[INFO] running `Command { std: "docker" "start" "-a" "aa435278ced84a11c89dad9a879005f556eab1d0c7afe8b31951f3d496f97e6f", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]     Checking proc-macro2 v1.0.95
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking with_builtin_macros-proc_macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> lib.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |     const _impl: () = {
[INFO] [stdout]     |     --------------- move the `impl` block outside of this associated constant `_impl`
[INFO] [stdout] 271 |         impl MockToTokens for Vec<u8> {
[INFO] [stdout]     |         ^^^^^------------^^^^^---^^^^
[INFO] [stdout]     |              |                |
[INFO] [stdout]     |              |                `Vec` is not local
[INFO] [stdout]     |              `MockToTokens` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> lib.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |     const _impl: () = {
[INFO] [stdout]     |     --------------- move the `impl` block outside of this associated constant `_impl`
[INFO] [stdout] 271 |         impl MockToTokens for Vec<u8> {
[INFO] [stdout]     |         ^^^^^------------^^^^^---^^^^
[INFO] [stdout]     |              |                |
[INFO] [stdout]     |              |                `Vec` is not local
[INFO] [stdout]     |              `MockToTokens` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "aa435278ced84a11c89dad9a879005f556eab1d0c7afe8b31951f3d496f97e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa435278ced84a11c89dad9a879005f556eab1d0c7afe8b31951f3d496f97e6f", kill_on_drop: false }`
[INFO] [stdout] aa435278ced84a11c89dad9a879005f556eab1d0c7afe8b31951f3d496f97e6f