[INFO] cloning repository https://github.com/Wulf0x67E7/buffman_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wulf0x67E7/buffman_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWulf0x67E7%2Fbuffman_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWulf0x67E7%2Fbuffman_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f19cb0a54b7c4cc355589f08ddb4de43b695eab
[INFO] checking Wulf0x67E7/buffman_tree against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWulf0x67E7%2Fbuffman_tree" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Wulf0x67E7/buffman_tree
[INFO] finished tweaking git repo https://github.com/Wulf0x67E7/buffman_tree
[INFO] tweaked toml for git repo https://github.com/Wulf0x67E7/buffman_tree written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Wulf0x67E7/buffman_tree on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Wulf0x67E7/buffman_tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8ba550761adccf355030478eac9d3291355b83e7daa9b5b4e801c27fc26a825f
[INFO] running `Command { std: "docker" "start" "8ba550761adccf355030478eac9d3291355b83e7daa9b5b4e801c27fc26a825f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ba550761adccf355030478eac9d3291355b83e7daa9b5b4e801c27fc26a825f", 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" "8ba550761adccf355030478eac9d3291355b83e7daa9b5b4e801c27fc26a825f" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ba550761adccf355030478eac9d3291355b83e7daa9b5b4e801c27fc26a825f", 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" "8ba550761adccf355030478eac9d3291355b83e7daa9b5b4e801c27fc26a825f" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_xoshiro v0.7.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling quickcheck_macros v1.1.0
[INFO] [stderr]     Checking buffman_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/trie/handle.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/trie/handle.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Self::from(usize::MAX)
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/trie/handle.rs:46:26
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.0 == usize::MAX
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Handle<B>`
[INFO] [stdout]   --> src/trie/node.rs:47:62
[INFO] [stdout]    |
[INFO] [stdout] 47 |             DataHandle::Branch(handle) => DataHandle::Branch(handle.leak().into()),
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 47 -             DataHandle::Branch(handle) => DataHandle::Branch(handle.leak().into()),
[INFO] [stdout] 47 +             DataHandle::Branch(handle) => DataHandle::Branch(handle.leak()),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 47 -             DataHandle::Branch(handle) => DataHandle::Branch(handle.leak().into()),
[INFO] [stdout] 47 +             DataHandle::Branch(handle) => DataHandle::Branch(<Handle<B> as Into<_>>::into(handle.leak())),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Handle<B>`
[INFO] [stdout]   --> src/trie/node.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 branch: branch.leak().into(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 50 -                 branch: branch.leak().into(),
[INFO] [stdout] 50 +                 branch: branch.leak(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 50 -                 branch: branch.leak().into(),
[INFO] [stdout] 50 +                 branch: <Handle<B> as Into<_>>::into(branch.leak()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Handle<B>`
[INFO] [stdout]   --> src/trie/node.rs:63:82
[INFO] [stdout]    |
[INFO] [stdout] 63 |             DataHandle::Branch(branch) | DataHandle::Full { branch, .. } => Some(branch.into()),
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 63 -             DataHandle::Branch(branch) | DataHandle::Full { branch, .. } => Some(branch.into()),
[INFO] [stdout] 63 +             DataHandle::Branch(branch) | DataHandle::Full { branch, .. } => Some(branch),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 63 -             DataHandle::Branch(branch) | DataHandle::Full { branch, .. } => Some(branch.into()),
[INFO] [stdout] 63 +             DataHandle::Branch(branch) | DataHandle::Full { branch, .. } => Some(<Handle<B> as Into<_>>::into(branch)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Handle<B>`
[INFO] [stdout]   --> src/trie/node.rs:70:55
[INFO] [stdout]    |
[INFO] [stdout] 70 |             DataHandle::Branch(branch) => (None, Some(branch.into())),
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 70 -             DataHandle::Branch(branch) => (None, Some(branch.into())),
[INFO] [stdout] 70 +             DataHandle::Branch(branch) => (None, Some(branch)),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 70 -             DataHandle::Branch(branch) => (None, Some(branch.into())),
[INFO] [stdout] 70 +             DataHandle::Branch(branch) => (None, Some(<Handle<B> as Into<_>>::into(branch))),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Handle<B>`
[INFO] [stdout]   --> src/trie/node.rs:71:68
[INFO] [stdout]    |
[INFO] [stdout] 71 |             DataHandle::Full { leaf, branch } => (Some(leaf), Some(branch.into())),
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 71 -             DataHandle::Full { leaf, branch } => (Some(leaf), Some(branch.into())),
[INFO] [stdout] 71 +             DataHandle::Full { leaf, branch } => (Some(leaf), Some(branch)),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 71 -             DataHandle::Full { leaf, branch } => (Some(leaf), Some(branch.into())),
[INFO] [stdout] 71 +             DataHandle::Full { leaf, branch } => (Some(leaf), Some(<Handle<B> as Into<_>>::into(branch))),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Handle<B>`
[INFO] [stdout]    --> src/trie/node.rs:335:33
[INFO] [stdout]     |
[INFO] [stdout] 335 |                   branch_handle = Handle::new(
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 336 | |                     branches,
[INFO] [stdout] 337 | |                     B::default_with_owner(
[INFO] [stdout] 338 | |                         #[cfg(feature = "testing")]
[INFO] [stdout] ...   |
[INFO] [stdout] 342 | |                 .into();
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 341 -                 )
[INFO] [stdout] 342 -                 .into();
[INFO] [stdout] 341 +                 );
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 335 ~                 branch_handle = <Handle<B> as Into<_>>::into(Handle::new(
[INFO] [stdout] 336 |                     branches,
[INFO] [stdout] ...
[INFO] [stdout] 340 |                     ),
[INFO] [stdout] 341 ~                 ));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Handle<B>`
[INFO] [stdout]    --> src/trie/node.rs:346:33
[INFO] [stdout]     |
[INFO] [stdout] 346 |                   branch_handle = Handle::new(
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 347 | |                     branches,
[INFO] [stdout] 348 | |                     B::default_with_owner(
[INFO] [stdout] 349 | |                         #[cfg(feature = "testing")]
[INFO] [stdout] ...   |
[INFO] [stdout] 353 | |                 .into();
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 352 -                 )
[INFO] [stdout] 353 -                 .into();
[INFO] [stdout] 352 +                 );
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 346 ~                 branch_handle = <Handle<B> as Into<_>>::into(Handle::new(
[INFO] [stdout] 347 |                     branches,
[INFO] [stdout] ...
[INFO] [stdout] 351 |                     ),
[INFO] [stdout] 352 ~                 ));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Handle<Leaf<V>>`
[INFO] [stdout]    --> src/trie/node.rs:407:46
[INFO] [stdout]     |
[INFO] [stdout] 407 |                 self.data = DataHandle::Leaf(leaf.into());
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 407 -                 self.data = DataHandle::Leaf(leaf.into());
[INFO] [stdout] 407 +                 self.data = DataHandle::Leaf(leaf);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 407 -                 self.data = DataHandle::Leaf(leaf.into());
[INFO] [stdout] 407 +                 self.data = DataHandle::Leaf(<Handle<Leaf<V>> as Into<_>>::into(leaf));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Option<U>`
[INFO] [stdout]    --> src/util/opt_res_ext.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         self.0.invert(u).into()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 107 -         self.0.invert(u).into()
[INFO] [stdout] 107 +         self.0.invert(u)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 107 -         self.0.invert(u).into()
[INFO] [stdout] 107 +         <Option<U> as Into<_>>::into(self.0.invert(u))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Option<U>`
[INFO] [stdout]    --> src/util/opt_res_ext.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         self.0.invert_with(f).into()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 110 -         self.0.invert_with(f).into()
[INFO] [stdout] 110 +         self.0.invert_with(f)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 110 -         self.0.invert_with(f).into()
[INFO] [stdout] 110 +         <Option<U> as Into<_>>::into(self.0.invert_with(f))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Option<U>`
[INFO] [stdout]    --> src/util/opt_res_ext.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 113 |         |Self(o, PhantomData)| o.map(f).into()
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 113 -         |Self(o, PhantomData)| o.map(f).into()
[INFO] [stdout] 113 +         |Self(o, PhantomData)| o.map(f)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 113 -         |Self(o, PhantomData)| o.map(f).into()
[INFO] [stdout] 113 +         |Self(o, PhantomData)| <Option<U> as Into<_>>::into(o.map(f))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `buffman_tree` (lib) due to 11 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8ba550761adccf355030478eac9d3291355b83e7daa9b5b4e801c27fc26a825f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba550761adccf355030478eac9d3291355b83e7daa9b5b4e801c27fc26a825f", kill_on_drop: false }`
[INFO] [stdout] 8ba550761adccf355030478eac9d3291355b83e7daa9b5b4e801c27fc26a825f
