[INFO] fetching crate crater 0.1.1...
[INFO] checking crater-0.1.1 against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] extracting crate crater 0.1.1 into /workspace/builds/worker-3-tc2/source
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crater 0.1.1 on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "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" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to highest compatible versions
[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6ab1da26c803a2e69db209a30daec7064dcab5d8b4f5f7ba146f7a12f3ea83bd
[INFO] running `Command { std: "docker" "start" "6ab1da26c803a2e69db209a30daec7064dcab5d8b4f5f7ba146f7a12f3ea83bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ab1da26c803a2e69db209a30daec7064dcab5d8b4f5f7ba146f7a12f3ea83bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ab1da26c803a2e69db209a30daec7064dcab5d8b4f5f7ba146f7a12f3ea83bd" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ab1da26c803a2e69db209a30daec7064dcab5d8b4f5f7ba146f7a12f3ea83bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ab1da26c803a2e69db209a30daec7064dcab5d8b4f5f7ba146f7a12f3ea83bd" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking crater v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `allocator_api` has been partially stabilized since 1.101.0-nightly and is succeeded by the feature `allocator_ext`
[INFO] [stdout]   --> src/lib.rs:13:30
[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] help: if you are using features which are still unstable, change to using `allocator_ext`
[INFO] [stdout]    |
[INFO] [stdout] 13 - #![feature(split_at_checked, allocator_api, non_null_convenience, slice_ptr_get)]
[INFO] [stdout] 13 + #![feature(split_at_checked, allocator_ext, non_null_convenience, slice_ptr_get)]
[INFO] [stdout]    |
[INFO] [stdout] help: if you are using features which are now stable, remove this line
[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] 
[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 `allocator_api` has been partially stabilized since 1.101.0-nightly and is succeeded by the feature `allocator_ext`
[INFO] [stdout]   --> src/lib.rs:13:30
[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] help: if you are using features which are still unstable, change to using `allocator_ext`
[INFO] [stdout]    |
[INFO] [stdout] 13 - #![feature(split_at_checked, allocator_api, non_null_convenience, slice_ptr_get)]
[INFO] [stdout] 13 + #![feature(split_at_checked, allocator_ext, non_null_convenience, slice_ptr_get)]
[INFO] [stdout]    |
[INFO] [stdout] help: if you are using features which are now stable, remove this line
[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] 
[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: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/fheap.rs:140:26
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn get_raw(&'a self) -> &RawNode<'a, Self>;
[INFO] [stdout]     |                 --          ^^^^^^^^^--^^^^^^^
[INFO] [stdout]     |                 |           |        |
[INFO] [stdout]     |                 |           |        the same lifetime is named here
[INFO] [stdout]     |                 |           the same lifetime is elided here
[INFO] [stdout]     |                 the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn get_raw(&'a self) -> &'a RawNode<'a, Self>;
[INFO] [stdout]     |                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `slice_ptr_get` is declared but not used
[INFO] [stdout]   --> src/lib.rs:13:67
[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(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/fheap.rs:140:26
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn get_raw(&'a self) -> &RawNode<'a, Self>;
[INFO] [stdout]     |                 --          ^^^^^^^^^--^^^^^^^
[INFO] [stdout]     |                 |           |        |
[INFO] [stdout]     |                 |           |        the same lifetime is named here
[INFO] [stdout]     |                 |           the same lifetime is elided here
[INFO] [stdout]     |                 the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn get_raw(&'a self) -> &'a RawNode<'a, Self>;
[INFO] [stdout]     |                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding or eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/fheap.rs:611:27
[INFO] [stdout]     |
[INFO] [stdout] 611 |         fn get_raw(&'a self) -> &RawNode<Self> {
[INFO] [stdout]     |                     --          ^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |           ||
[INFO] [stdout]     |                     |           |the same lifetime is hidden here
[INFO] [stdout]     |                     |           the same lifetime is elided here
[INFO] [stdout]     |                     the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 611 |         fn get_raw(&'a self) -> &'a RawNode<'a, Self> {
[INFO] [stdout]     |                                  ++         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/fheap.rs:665:27
[INFO] [stdout]     |
[INFO] [stdout] 665 |         fn get_raw(&'a self) -> &RawNode<'a, Self> {
[INFO] [stdout]     |                     --          ^^^^^^^^^--^^^^^^^
[INFO] [stdout]     |                     |           |        |
[INFO] [stdout]     |                     |           |        the same lifetime is named here
[INFO] [stdout]     |                     |           the same lifetime is elided here
[INFO] [stdout]     |                     the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 665 |         fn get_raw(&'a self) -> &'a RawNode<'a, Self> {
[INFO] [stdout]     |                                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `slice_ptr_get` is declared but not used
[INFO] [stdout]   --> src/lib.rs:13:67
[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(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "6ab1da26c803a2e69db209a30daec7064dcab5d8b4f5f7ba146f7a12f3ea83bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab1da26c803a2e69db209a30daec7064dcab5d8b4f5f7ba146f7a12f3ea83bd", kill_on_drop: false }`
[INFO] [stdout] 6ab1da26c803a2e69db209a30daec7064dcab5d8b4f5f7ba146f7a12f3ea83bd
