[INFO] fetching crate maskerad_memory_allocators 5.2.0...
[INFO] checking maskerad_memory_allocators-5.2.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate maskerad_memory_allocators 5.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate maskerad_memory_allocators 5.2.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maskerad_memory_allocators 5.2.0
[INFO] finished tweaking crates.io crate maskerad_memory_allocators 5.2.0
[INFO] tweaked toml for crates.io crate maskerad_memory_allocators 5.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd9a44b69410c55a02a56a63b089e38160d90ddec2229c44c9bc3b5ba746cd05
[INFO] running `Command { std: "docker" "start" "-a" "fd9a44b69410c55a02a56a63b089e38160d90ddec2229c44c9bc3b5ba746cd05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd9a44b69410c55a02a56a63b089e38160d90ddec2229c44c9bc3b5ba746cd05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9a44b69410c55a02a56a63b089e38160d90ddec2229c44c9bc3b5ba746cd05", kill_on_drop: false }`
[INFO] [stdout] fd9a44b69410c55a02a56a63b089e38160d90ddec2229c44c9bc3b5ba746cd05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2980c0f21e20d5b85507c743d037ad1293f3b8fbe739004df466957a4ce40906
[INFO] running `Command { std: "docker" "start" "-a" "2980c0f21e20d5b85507c743d037ad1293f3b8fbe739004df466957a4ce40906", kill_on_drop: false }`
[INFO] [stderr]     Checking maskerad_memory_allocators v5.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]   --> src/utils.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use std::raw::TraitObject;
[INFO] [stdout]    |              ^^^ could not find `raw` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]   --> src/utils.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use std::raw::TraitObject;
[INFO] [stdout]    |              ^^^ could not find `raw` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `raw_vec` is private
[INFO] [stdout]  --> src/memory_chunk.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use alloc::raw_vec::RawVec;
[INFO] [stdout]   |            ^^^^^^^ private module
[INFO] [stdout]   |
[INFO] [stdout] note: the module `raw_vec` is defined here
[INFO] [stdout]  --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/alloc/src/lib.rs:227:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `raw_vec` is private
[INFO] [stdout]  --> src/memory_chunk.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use alloc::raw_vec::RawVec;
[INFO] [stdout]   |            ^^^^^^^ private module
[INFO] [stdout]   |
[INFO] [stdout] note: the module `raw_vec` is defined here
[INFO] [stdout]  --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/alloc/src/lib.rs:227:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 | #![feature(alloc)]
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 | #![feature(alloc)]
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `raw`
[INFO] [stdout]   --> src/lib.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | #![feature(raw)]
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `raw`
[INFO] [stdout]   --> src/lib.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | #![feature(raw)]
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/allocation_error.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/allocation_error.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let obj = mem::transmute::<&AllTypes, TraitObject>(ptr);
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let obj = mem::transmute::<&dyn AllTypes, TraitObject>(ptr);
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let obj = mem::transmute::<&AllTypes, TraitObject>(ptr);
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let obj = mem::transmute::<&dyn AllTypes, TraitObject>(ptr);
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/stacks/stack_allocator.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/stacks/stack_allocator.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/stacks/stack_allocator.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/stacks/stack_allocator.rs:435:9
[INFO] [stdout]     |
[INFO] [stdout] 435 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/stacks/stack_allocator.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/stacks/stack_allocator.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/stacks/stack_allocator.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/stacks/stack_allocator.rs:435:9
[INFO] [stdout]     |
[INFO] [stdout] 435 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0603, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maskerad_memory_allocators` (lib) due to 4 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0603, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maskerad_memory_allocators` (lib test) due to 4 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2980c0f21e20d5b85507c743d037ad1293f3b8fbe739004df466957a4ce40906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2980c0f21e20d5b85507c743d037ad1293f3b8fbe739004df466957a4ce40906", kill_on_drop: false }`
[INFO] [stdout] 2980c0f21e20d5b85507c743d037ad1293f3b8fbe739004df466957a4ce40906
