[INFO] fetching crate ghost_actor 0.4.0-alpha.5...
[INFO] building ghost_actor-0.4.0-alpha.5 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate ghost_actor 0.4.0-alpha.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ghost_actor 0.4.0-alpha.5 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ghost_actor 0.4.0-alpha.5
[INFO] finished tweaking crates.io crate ghost_actor 0.4.0-alpha.5
[INFO] tweaked toml for crates.io crate ghost_actor 0.4.0-alpha.5 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate ghost_actor 0.4.0-alpha.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edce470388e15ec6198c6129adeac4b0c638156a4e11e97f79b99d7fe11921a3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "edce470388e15ec6198c6129adeac4b0c638156a4e11e97f79b99d7fe11921a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edce470388e15ec6198c6129adeac4b0c638156a4e11e97f79b99d7fe11921a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edce470388e15ec6198c6129adeac4b0c638156a4e11e97f79b99d7fe11921a3", kill_on_drop: false }`
[INFO] [stdout] edce470388e15ec6198c6129adeac4b0c638156a4e11e97f79b99d7fe11921a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 101438b71a80f1c739582cbfd3616e80af6fe17db2782b01139d34e6cb3542b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "101438b71a80f1c739582cbfd3616e80af6fe17db2782b01139d34e6cb3542b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling futures-sink v0.3.10
[INFO] [stderr]    Compiling futures-core v0.3.10
[INFO] [stderr]    Compiling futures-io v0.3.10
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-task v0.3.10
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling futures-channel v0.3.10
[INFO] [stderr]    Compiling futures-macro v0.3.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling futures-util v0.3.10
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling futures-executor v0.3.10
[INFO] [stderr]    Compiling futures v0.3.10
[INFO] [stderr]    Compiling ghost_actor v0.4.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: allow(unused_imports) incompatible with previous forbid
[INFO] [stdout]   --> src/actor.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   tracing::warn!("TRACING: Parent context dropped");
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:2:11
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forbidden_lint_groups)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: allow(unused_imports) incompatible with previous forbid
[INFO] [stdout]   --> src/actor.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   tracing::warn!("TRACING: Parent context dropped");
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:2:11
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/as_ghost_actor.rs:71:27
[INFO] [stdout]    |
[INFO] [stdout] 71 |         resp(async move { fut.await??.await })
[INFO] [stdout]    |                           ^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:2:11
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/as_ghost_actor.rs:71:27
[INFO] [stdout]    |
[INFO] [stdout] 71 |         resp(async move { fut.await??.await })
[INFO] [stdout]    |                           ^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:2:11
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]    --> src/as_ghost_actor.rs:101:45
[INFO] [stdout]     |
[INFO] [stdout] 101 |             let a: Box<dyn std::any::Any> = fut.await?;
[INFO] [stdout]     |                                             ^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/lib.rs:2:11
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![forbid(warnings)]
[INFO] [stdout]     |           -------- `forbid` level set here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/actor.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 |         resp(async move { fut.await??.await })
[INFO] [stdout]    |                           ^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:2:11
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/actor.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 |         resp(async move { fut.await??.await })
[INFO] [stdout]    |                           ^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:2:11
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/actor.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 sender.send(inner).await.map_err(GhostError::other)?;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:2:11
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]    --> src/actor.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 o_recv.await.map_err(GhostError::other)?
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/lib.rs:2:11
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![forbid(warnings)]
[INFO] [stdout]     |           -------- `forbid` level set here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/box_macros.rs:148:34
[INFO] [stdout]     |
[INFO] [stdout] 148 |             let c: &Self = match ::std::any::Any::downcast_ref(o) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn (::std::any::Any)>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/as_ghost_actor.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     ghost_box_trait_impl_fns!(AsGhostActor);
[INFO] [stdout]     |     ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:11
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![forbid(warnings)]
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout]     = note: `#[forbid(bare_trait_objects)]` implied by `#[forbid(warnings)]`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/actor.rs:147:39
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let o: &GhostActor<T> = match std::any::Any::downcast_ref(o) {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^ help: use `dyn`: `<dyn std::any::Any>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ghost_actor`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "101438b71a80f1c739582cbfd3616e80af6fe17db2782b01139d34e6cb3542b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101438b71a80f1c739582cbfd3616e80af6fe17db2782b01139d34e6cb3542b7", kill_on_drop: false }`
[INFO] [stdout] 101438b71a80f1c739582cbfd3616e80af6fe17db2782b01139d34e6cb3542b7
