[INFO] fetching crate msiz_rustc-ap-rustc_macros 3.0.0...
[INFO] checking msiz_rustc-ap-rustc_macros-3.0.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate msiz_rustc-ap-rustc_macros 3.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate msiz_rustc-ap-rustc_macros 3.0.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate msiz_rustc-ap-rustc_macros 3.0.0
[INFO] finished tweaking crates.io crate msiz_rustc-ap-rustc_macros 3.0.0
[INFO] tweaked toml for crates.io crate msiz_rustc-ap-rustc_macros 3.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.8.2 (latest: v0.13.0)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.86)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.37)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.77)
[INFO] [stderr]       Adding synstructure v0.10.2 (latest: v0.13.1)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5491fd04f8f52dce344b9cfc01f6263e6de3622642f7823e6d68dfe193b0ccb7
[INFO] running `Command { std: "docker" "start" "-a" "5491fd04f8f52dce344b9cfc01f6263e6de3622642f7823e6d68dfe193b0ccb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5491fd04f8f52dce344b9cfc01f6263e6de3622642f7823e6d68dfe193b0ccb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5491fd04f8f52dce344b9cfc01f6263e6de3622642f7823e6d68dfe193b0ccb7", kill_on_drop: false }`
[INFO] [stdout] 5491fd04f8f52dce344b9cfc01f6263e6de3622642f7823e6d68dfe193b0ccb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8a8369d1758f3c8d009c1b77c8bc5510ce50c4b41036ca5a70aa479a77d978e
[INFO] running `Command { std: "docker" "start" "-a" "f8a8369d1758f3c8d009c1b77c8bc5510ce50c4b41036ca5a70aa479a77d978e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking synstructure v0.10.2
[INFO] [stderr]     Checking msiz_rustc-ap-rustc_macros v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/query.rs:477:45
[INFO] [stdout]     |
[INFO] [stdout] 477 |             for e in attributes.into_iter().intersperse(quote! {,}) {
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse`
[INFO] [stdout]    --> src/lib.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   + #![feature(iter_intersperse)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/query.rs:477:45
[INFO] [stdout]     |
[INFO] [stdout] 477 |             for e in attributes.into_iter().intersperse(quote! {,}) {
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse`
[INFO] [stdout]    --> src/lib.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   + #![feature(iter_intersperse)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.61s
[INFO] running `Command { std: "docker" "inspect" "f8a8369d1758f3c8d009c1b77c8bc5510ce50c4b41036ca5a70aa479a77d978e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a8369d1758f3c8d009c1b77c8bc5510ce50c4b41036ca5a70aa479a77d978e", kill_on_drop: false }`
[INFO] [stdout] f8a8369d1758f3c8d009c1b77c8bc5510ce50c4b41036ca5a70aa479a77d978e