[INFO] fetching crate silica 0.0.1...
[INFO] checking silica-0.0.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate silica 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate silica 0.0.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate silica 0.0.1
[INFO] finished tweaking crates.io crate silica 0.0.1
[INFO] tweaked toml for crates.io crate silica 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e56a71344a34ea2b89d75d9798f99fb13ddd2cf95d8c5ce5717f111403e33ee0
[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" "e56a71344a34ea2b89d75d9798f99fb13ddd2cf95d8c5ce5717f111403e33ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e56a71344a34ea2b89d75d9798f99fb13ddd2cf95d8c5ce5717f111403e33ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56a71344a34ea2b89d75d9798f99fb13ddd2cf95d8c5ce5717f111403e33ee0", kill_on_drop: false }`
[INFO] [stdout] e56a71344a34ea2b89d75d9798f99fb13ddd2cf95d8c5ce5717f111403e33ee0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a5e0d98238087d8b8b8c7233c669ae5fcd576c373318c5d0b0edcd65be8672a7
[INFO] running `Command { std: "docker" "start" "-a" "a5e0d98238087d8b8b8c7233c669ae5fcd576c373318c5d0b0edcd65be8672a7", kill_on_drop: false }`
[INFO] [stderr]     Checking silica v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(optin_builtin_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `liballoc::arc`
[INFO] [stdout]  --> src/thread.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use liballoc::arc::Arc;
[INFO] [stdout]   |               ^^^ could not find `arc` in `liballoc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `liballoc::arc`
[INFO] [stdout]  --> src/sync/mpsc.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use liballoc::arc::Arc;
[INFO] [stdout]   |               ^^^ could not find `arc` in `liballoc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/sync/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<T> !Sync for CriticalSection<T> {}
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/sync/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl<T> !Send for CriticalSection<T> {}
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thread.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     f: Box<Fn()>,
[INFO] [stdout]    |            ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thread.rs:69:23
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn new(f: Box<Fn()>, name: &'static str,  stack_size: usize, pri: ThreadPriority) -> Thread {
[INFO] [stdout]    |                       ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(optin_builtin_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]  --> src/thread.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use liballoc::raw_vec::RawVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]   --> src/thread.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     stack: RawVec<usize>
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]   --> src/thread.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 stack: RawVec::with_capacity(stack_size)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]  --> src/io.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use liballoc::raw_vec::RawVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]   --> src/io.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     v: RawVec<T>,   // vector
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]   --> src/io.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 49 |         Fifo { v: RawVec::with_capacity(cap), cap: cap, w: 0, r: None }
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `liballoc::arc`
[INFO] [stdout]  --> src/thread.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use liballoc::arc::Arc;
[INFO] [stdout]   |               ^^^ could not find `arc` in `liballoc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `liballoc::arc`
[INFO] [stdout]  --> src/sync/mpsc.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use liballoc::arc::Arc;
[INFO] [stdout]   |               ^^^ could not find `arc` in `liballoc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/sync/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<T> !Sync for CriticalSection<T> {}
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/sync/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl<T> !Send for CriticalSection<T> {}
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thread.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     f: Box<Fn()>,
[INFO] [stdout]    |            ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thread.rs:69:23
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn new(f: Box<Fn()>, name: &'static str,  stack_size: usize, pri: ThreadPriority) -> Thread {
[INFO] [stdout]    |                       ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]  --> src/thread.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use liballoc::raw_vec::RawVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]   --> src/thread.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     stack: RawVec<usize>
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]   --> src/thread.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 stack: RawVec::with_capacity(stack_size)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]  --> src/io.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use liballoc::raw_vec::RawVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]   --> src/io.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     v: RawVec<T>,   // vector
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]   --> src/io.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 49 |         Fifo { v: RawVec::with_capacity(cap), cap: cap, w: 0, r: None }
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]   --> src/io.rs:59:36
[INFO] [stdout]    |
[INFO] [stdout] 59 |         unsafe { ptr::write(self.v.ptr().offset(self.w as isize), item); }
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]   --> src/io.rs:79:46
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let item = unsafe { ptr::read(self.v.ptr().offset(r as isize)) };
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]   --> src/io.rs:59:36
[INFO] [stdout]    |
[INFO] [stdout] 59 |         unsafe { ptr::write(self.v.ptr().offset(self.w as isize), item); }
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]   --> src/io.rs:79:46
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let item = unsafe { ptr::read(self.v.ptr().offset(r as isize)) };
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `silica`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 13 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a5e0d98238087d8b8b8c7233c669ae5fcd576c373318c5d0b0edcd65be8672a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e0d98238087d8b8b8c7233c669ae5fcd576c373318c5d0b0edcd65be8672a7", kill_on_drop: false }`
[INFO] [stdout] a5e0d98238087d8b8b8c7233c669ae5fcd576c373318c5d0b0edcd65be8672a7