[INFO] fetching crate maskerad_stack_allocator 1.1.2...
[INFO] checking maskerad_stack_allocator-1.1.2 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate maskerad_stack_allocator 1.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate maskerad_stack_allocator 1.1.2 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maskerad_stack_allocator 1.1.2
[INFO] finished tweaking crates.io crate maskerad_stack_allocator 1.1.2
[INFO] tweaked toml for crates.io crate maskerad_stack_allocator 1.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fb55da03bd344ddea80ae0c2ab6e6deeae9300557ad963800a3b65d74005ff1
[INFO] running `Command { std: "docker" "start" "-a" "1fb55da03bd344ddea80ae0c2ab6e6deeae9300557ad963800a3b65d74005ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fb55da03bd344ddea80ae0c2ab6e6deeae9300557ad963800a3b65d74005ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb55da03bd344ddea80ae0c2ab6e6deeae9300557ad963800a3b65d74005ff1", kill_on_drop: false }`
[INFO] [stdout] 1fb55da03bd344ddea80ae0c2ab6e6deeae9300557ad963800a3b65d74005ff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d519bb75c64d449edeb21f6356e2bfaf1215896e608291639a138814f81fe5c2
[INFO] running `Command { std: "docker" "start" "-a" "d519bb75c64d449edeb21f6356e2bfaf1215896e608291639a138814f81fe5c2", kill_on_drop: false }`
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking maskerad_stack_allocator v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stdout] error[E0432]: unresolved import `alloc::allocator`
[INFO] [stdout]  --> src/stack_allocator.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use alloc::allocator::Layout;
[INFO] [stdout]   |            ^^^^^^^^^ could not find `allocator` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::allocator`
[INFO] [stdout]  --> src/double_ended_allocator.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use alloc::allocator::Layout;
[INFO] [stdout]   |            ^^^^^^^^^ could not find `allocator` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `raw_vec` is private
[INFO] [stdout]  --> src/stack_allocator.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/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/alloc/src/lib.rs:232:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `raw_vec` is private
[INFO] [stdout]  --> src/double_ended_allocator.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/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/alloc/src/lib.rs:232:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `core` is imported redundantly
[INFO] [stdout]   --> src/stack_allocator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use core;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | extern crate core;
[INFO] [stdout]    | ------------------ the item `core` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `core` is imported redundantly
[INFO] [stdout]   --> src/double_ended_allocator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use core;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | extern crate core;
[INFO] [stdout]    | ------------------ the item `core` is already imported here
[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:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![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 `offset_to`
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(offset_to)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 3 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_stack_allocator` (lib) due to 6 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d519bb75c64d449edeb21f6356e2bfaf1215896e608291639a138814f81fe5c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d519bb75c64d449edeb21f6356e2bfaf1215896e608291639a138814f81fe5c2", kill_on_drop: false }`
[INFO] [stdout] d519bb75c64d449edeb21f6356e2bfaf1215896e608291639a138814f81fe5c2
