[INFO] fetching crate msiz_rustc-ap-rustc_macros 3.0.0...
[INFO] checking msiz_rustc-ap-rustc_macros-3.0.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate msiz_rustc-ap-rustc_macros 3.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate msiz_rustc-ap-rustc_macros 3.0.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7ebd3b2b745b4865344ea4cbbd926a33882778a6ba5ee0fe182e19bccf15381
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c7ebd3b2b745b4865344ea4cbbd926a33882778a6ba5ee0fe182e19bccf15381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7ebd3b2b745b4865344ea4cbbd926a33882778a6ba5ee0fe182e19bccf15381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ebd3b2b745b4865344ea4cbbd926a33882778a6ba5ee0fe182e19bccf15381", kill_on_drop: false }`
[INFO] [stdout] c7ebd3b2b745b4865344ea4cbbd926a33882778a6ba5ee0fe182e19bccf15381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4266ac390e474262741e6b6a6a15511a2d30be250d311bed4da33cfcdc5bf40
[INFO] running `Command { std: "docker" "start" "-a" "e4266ac390e474262741e6b6a6a15511a2d30be250d311bed4da33cfcdc5bf40", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking synstructure v0.10.2
[INFO] [stderr]     Checking msiz_rustc-ap-rustc_macros v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function 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]     = note: `#[warn(unstable_name_collisions)]` on by default
[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]     = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function 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]     = note: `#[warn(unstable_name_collisions)]` on by default
[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]     = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse`
[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 [unoptimized + debuginfo] target(s) in 6.82s
[INFO] running `Command { std: "docker" "inspect" "e4266ac390e474262741e6b6a6a15511a2d30be250d311bed4da33cfcdc5bf40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4266ac390e474262741e6b6a6a15511a2d30be250d311bed4da33cfcdc5bf40", kill_on_drop: false }`
[INFO] [stdout] e4266ac390e474262741e6b6a6a15511a2d30be250d311bed4da33cfcdc5bf40