[INFO] fetching crate blackbox_core 0.1.1...
[INFO] checking blackbox_core-0.1.1 against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] extracting crate blackbox_core 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate blackbox_core 0.1.1
[INFO] finished tweaking crates.io crate blackbox_core 0.1.1
[INFO] tweaked toml for crates.io crate blackbox_core 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate blackbox_core 0.1.1 on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 69 packages to latest compatible versions
[INFO] [stderr]       Adding colored v2.2.0 (available: v3.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8258594c8275218b4c3af6b222d009d1e5d13c3f6e24a2232a945f77f3df5fd1
[INFO] running `Command { std: "docker" "start" "-a" "8258594c8275218b4c3af6b222d009d1e5d13c3f6e24a2232a945f77f3df5fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8258594c8275218b4c3af6b222d009d1e5d13c3f6e24a2232a945f77f3df5fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8258594c8275218b4c3af6b222d009d1e5d13c3f6e24a2232a945f77f3df5fd1", kill_on_drop: false }`
[INFO] [stdout] 8258594c8275218b4c3af6b222d009d1e5d13c3f6e24a2232a945f77f3df5fd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dinherent-method-on-receiver" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 785bca334b6973246f2200365a816250454b7c2f4e0f5efe47c043b56beb91fc
[INFO] running `Command { std: "docker" "start" "-a" "785bca334b6973246f2200365a816250454b7c2f4e0f5efe47c043b56beb91fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling linkme-impl v0.3.35
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking uuid v1.20.0
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]     Checking linkme v0.3.35
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling blackbox_cast_codegen v0.1.1
[INFO] [stderr]    Compiling blackbox_core_codegen v0.1.1
[INFO] [stderr]     Checking blackbox_cast v0.1.1
[INFO] [stderr]     Checking blackbox_core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/lazy.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Lazy<T>(Arc<T>);
[INFO] [stdout]   |            ----    ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/lazy.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Lazy<T>(Arc<T>);
[INFO] [stdout]   |            ----    ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/reference.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn as_ref(&self) -> Arc<T> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 | impl<T: ?Sized + CastFrom> Deref for Ref<T> {
[INFO] [stdout]    | ------------------------------------------- trait implemented here
[INFO] [stdout] 63 |     type Target = Arc<T>;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2417:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait implemented here
[INFO] [stdout]   ::: /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2418:4
[INFO] [stdout]    |
[INFO] [stdout]    = note: with `Target` set here
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D inherent-method-on-receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/reference.rs:44:41
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn __init<D: ?Sized + CastFrom>(&self, value: Ref<D>) {
[INFO] [stdout]    |                                         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 | impl<T: ?Sized + CastFrom> Deref for Ref<T> {
[INFO] [stdout]    | ------------------------------------------- trait implemented here
[INFO] [stdout] 63 |     type Target = Arc<T>;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2417:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait implemented here
[INFO] [stdout]   ::: /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2418:4
[INFO] [stdout]    |
[INFO] [stdout]    = note: with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/reference.rs:48:39
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn cast<S: ?Sized + CastFrom>(&self) -> Result<Ref<S>, Error> {
[INFO] [stdout]    |                                       ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 | impl<T: ?Sized + CastFrom> Deref for Ref<T> {
[INFO] [stdout]    | ------------------------------------------- trait implemented here
[INFO] [stdout] 63 |     type Target = Arc<T>;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2417:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait implemented here
[INFO] [stdout]   ::: /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2418:4
[INFO] [stdout]    |
[INFO] [stdout]    = note: with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/reference.rs:57:46
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn is<S: ?Sized + Any + Sync + Send>(&self) -> bool {
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 | impl<T: ?Sized + CastFrom> Deref for Ref<T> {
[INFO] [stdout]    | ------------------------------------------- trait implemented here
[INFO] [stdout] 63 |     type Target = Arc<T>;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2417:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait implemented here
[INFO] [stdout]   ::: /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2418:4
[INFO] [stdout]    |
[INFO] [stdout]    = note: with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/reference_mut.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn as_ref(&self) -> RefMutRef<T> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn as_ref(&self) -> RefMutRef<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/reference_mut.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn as_mut(&self) -> RefMutRefMut<T> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn as_mut(&self) -> RefMutRefMut<'_, T> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/reference.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn as_ref(&self) -> Arc<T> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 | impl<T: ?Sized + CastFrom> Deref for Ref<T> {
[INFO] [stdout]    | ------------------------------------------- trait implemented here
[INFO] [stdout] 63 |     type Target = Arc<T>;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2417:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait implemented here
[INFO] [stdout]   ::: /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2418:4
[INFO] [stdout]    |
[INFO] [stdout]    = note: with `Target` set here
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D inherent-method-on-receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/reference.rs:44:41
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn __init<D: ?Sized + CastFrom>(&self, value: Ref<D>) {
[INFO] [stdout]    |                                         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 | impl<T: ?Sized + CastFrom> Deref for Ref<T> {
[INFO] [stdout]    | ------------------------------------------- trait implemented here
[INFO] [stdout] 63 |     type Target = Arc<T>;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2417:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait implemented here
[INFO] [stdout]   ::: /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2418:4
[INFO] [stdout]    |
[INFO] [stdout]    = note: with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/reference.rs:48:39
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn cast<S: ?Sized + CastFrom>(&self) -> Result<Ref<S>, Error> {
[INFO] [stdout]    |                                       ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 | impl<T: ?Sized + CastFrom> Deref for Ref<T> {
[INFO] [stdout]    | ------------------------------------------- trait implemented here
[INFO] [stdout] 63 |     type Target = Arc<T>;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2417:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait implemented here
[INFO] [stdout]   ::: /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2418:4
[INFO] [stdout]    |
[INFO] [stdout]    = note: with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/reference.rs:57:46
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn is<S: ?Sized + Any + Sync + Send>(&self) -> bool {
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 | impl<T: ?Sized + CastFrom> Deref for Ref<T> {
[INFO] [stdout]    | ------------------------------------------- trait implemented here
[INFO] [stdout] 63 |     type Target = Arc<T>;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2417:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait implemented here
[INFO] [stdout]   ::: /rustc/7b3da9103634dffd4f4365cfd8642427c781d99f/library/alloc/src/sync.rs:2418:4
[INFO] [stdout]    |
[INFO] [stdout]    = note: with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/reference_mut.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn as_ref(&self) -> RefMutRef<T> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn as_ref(&self) -> RefMutRef<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/reference_mut.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn as_mut(&self) -> RefMutRefMut<T> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn as_mut(&self) -> RefMutRefMut<'_, T> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blackbox_core` (lib) due to 4 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `blackbox_core` (lib test) due to 4 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "785bca334b6973246f2200365a816250454b7c2f4e0f5efe47c043b56beb91fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785bca334b6973246f2200365a816250454b7c2f4e0f5efe47c043b56beb91fc", kill_on_drop: false }`
[INFO] [stdout] 785bca334b6973246f2200365a816250454b7c2f4e0f5efe47c043b56beb91fc
