[INFO] fetching crate crater 0.1.1...
[INFO] checking crater-0.1.1 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] extracting crate crater 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate crater 0.1.1 on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crater 0.1.1
[INFO] finished tweaking crates.io crate crater 0.1.1
[INFO] tweaked toml for crates.io crate crater 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8486603dc68f4a6d5456a90cc9af02d35e554c475b3349f74b51e387a49ce3b7
[INFO] running `Command { std: "docker" "start" "-a" "8486603dc68f4a6d5456a90cc9af02d35e554c475b3349f74b51e387a49ce3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8486603dc68f4a6d5456a90cc9af02d35e554c475b3349f74b51e387a49ce3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8486603dc68f4a6d5456a90cc9af02d35e554c475b3349f74b51e387a49ce3b7", kill_on_drop: false }`
[INFO] [stdout] 8486603dc68f4a6d5456a90cc9af02d35e554c475b3349f74b51e387a49ce3b7
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 716078d0c71e7269cfeb035eb3163180f2c5a75ff5334f748f08bc1482b4f129
[INFO] running `Command { std: "docker" "start" "-a" "716078d0c71e7269cfeb035eb3163180f2c5a75ff5334f748f08bc1482b4f129", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crater v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `non_null_convenience` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(split_at_checked, allocator_api, non_null_convenience, slice_ptr_get)]
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `split_at_checked` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(split_at_checked, allocator_api, non_null_convenience, slice_ptr_get)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `non_null_convenience` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(split_at_checked, allocator_api, non_null_convenience, slice_ptr_get)]
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `split_at_checked` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(split_at_checked, allocator_api, non_null_convenience, slice_ptr_get)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SiblingIter` is never constructed
[INFO] [stdout]    --> src/fheap.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | struct SiblingIter<'a, T: Node<'a> + ?Sized> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.47s
[INFO] running `Command { std: "docker" "inspect" "716078d0c71e7269cfeb035eb3163180f2c5a75ff5334f748f08bc1482b4f129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716078d0c71e7269cfeb035eb3163180f2c5a75ff5334f748f08bc1482b4f129", kill_on_drop: false }`
[INFO] [stdout] 716078d0c71e7269cfeb035eb3163180f2c5a75ff5334f748f08bc1482b4f129