[INFO] updating cached repository https://github.com/pitdicker/valet_parking
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 46b460a34cef2395eead1e69c241d2651bf8a830
[INFO] checking pitdicker/valet_parking against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpitdicker%2Fvalet_parking" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pitdicker/valet_parking on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pitdicker/valet_parking
[INFO] finished tweaking git repo https://github.com/pitdicker/valet_parking
[INFO] tweaked toml for git repo https://github.com/pitdicker/valet_parking written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7dc9997495b92f0f101a404dadb7981ed562b98962d5fe1dc2670dd175038ced
[INFO] running `"docker" "start" "-a" "7dc9997495b92f0f101a404dadb7981ed562b98962d5fe1dc2670dd175038ced"`
[INFO] [stderr]     Checking valet_parking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/futex/linux.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 let ptr = self.as_mut_ptr() as *mut i32;
[INFO] [stderr]    |                                ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 74 | imp_futex!(AtomicU32, u32);
[INFO] [stderr]    | --------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `utils::AtomicAsMutPtr::as_mut_ptr(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(atomic_mut_ptr)]` to the crate attributes to enable `core::sync::atomic::AtomicU32::as_mut_ptr`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/futex/linux.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 let ptr = self.as_mut_ptr() as *mut i32;
[INFO] [stderr]    |                                ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 | imp_futex!(AtomicI32, i32);
[INFO] [stderr]    | --------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `utils::AtomicAsMutPtr::as_mut_ptr(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(atomic_mut_ptr)]` to the crate attributes to enable `core::sync::atomic::AtomicI32::as_mut_ptr`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/futex/linux.rs:56:32
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let ptr = self.as_mut_ptr() as *mut i32;
[INFO] [stderr]    |                                ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 74 | imp_futex!(AtomicU32, u32);
[INFO] [stderr]    | --------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `utils::AtomicAsMutPtr::as_mut_ptr(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(atomic_mut_ptr)]` to the crate attributes to enable `core::sync::atomic::AtomicU32::as_mut_ptr`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/futex/linux.rs:56:32
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let ptr = self.as_mut_ptr() as *mut i32;
[INFO] [stderr]    |                                ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 | imp_futex!(AtomicI32, i32);
[INFO] [stderr]    | --------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `utils::AtomicAsMutPtr::as_mut_ptr(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(atomic_mut_ptr)]` to the crate attributes to enable `core::sync::atomic::AtomicI32::as_mut_ptr`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/futex/linux.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 let ptr = self.as_mut_ptr() as *mut i32;
[INFO] [stderr]    |                                ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 74 | imp_futex!(AtomicU32, u32);
[INFO] [stderr]    | --------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `utils::AtomicAsMutPtr::as_mut_ptr(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(atomic_mut_ptr)]` to the crate attributes to enable `std::sync::atomic::AtomicU32::as_mut_ptr`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/futex/linux.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 let ptr = self.as_mut_ptr() as *mut i32;
[INFO] [stderr]    |                                ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 | imp_futex!(AtomicI32, i32);
[INFO] [stderr]    | --------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `utils::AtomicAsMutPtr::as_mut_ptr(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(atomic_mut_ptr)]` to the crate attributes to enable `std::sync::atomic::AtomicI32::as_mut_ptr`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/futex/linux.rs:56:32
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let ptr = self.as_mut_ptr() as *mut i32;
[INFO] [stderr]    |                                ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 74 | imp_futex!(AtomicU32, u32);
[INFO] [stderr]    | --------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `utils::AtomicAsMutPtr::as_mut_ptr(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(atomic_mut_ptr)]` to the crate attributes to enable `std::sync::atomic::AtomicU32::as_mut_ptr`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/futex/linux.rs:56:32
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let ptr = self.as_mut_ptr() as *mut i32;
[INFO] [stderr]    |                                ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 | imp_futex!(AtomicI32, i32);
[INFO] [stderr]    | --------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `utils::AtomicAsMutPtr::as_mut_ptr(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(atomic_mut_ptr)]` to the crate attributes to enable `std::sync::atomic::AtomicI32::as_mut_ptr`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "7dc9997495b92f0f101a404dadb7981ed562b98962d5fe1dc2670dd175038ced"`
[INFO] running `"docker" "rm" "-f" "7dc9997495b92f0f101a404dadb7981ed562b98962d5fe1dc2670dd175038ced"`
[INFO] [stdout] 7dc9997495b92f0f101a404dadb7981ed562b98962d5fe1dc2670dd175038ced