[INFO] fetching crate maskerad_stack_allocator 1.1.2...
[INFO] checking maskerad_stack_allocator-1.1.2 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate maskerad_stack_allocator 1.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate maskerad_stack_allocator 1.1.2 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.36)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e99d640c7ce8f5113625d749599f2d2a0b2107aa1b7fd9755ff741b085d72af
[INFO] running `Command { std: "docker" "start" "-a" "3e99d640c7ce8f5113625d749599f2d2a0b2107aa1b7fd9755ff741b085d72af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e99d640c7ce8f5113625d749599f2d2a0b2107aa1b7fd9755ff741b085d72af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e99d640c7ce8f5113625d749599f2d2a0b2107aa1b7fd9755ff741b085d72af", kill_on_drop: false }`
[INFO] [stdout] 3e99d640c7ce8f5113625d749599f2d2a0b2107aa1b7fd9755ff741b085d72af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1af6914a19a47b1ff7cd8964a9085e67a963ae197d51512e443df88ecea9a7ec
[INFO] running `Command { std: "docker" "start" "-a" "1af6914a19a47b1ff7cd8964a9085e67a963ae197d51512e443df88ecea9a7ec", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking maskerad_stack_allocator v1.1.2 (/opt/rustwide/workdir)
[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/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/lib.rs:219:1
[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/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/lib.rs:219:1
[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] 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 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1af6914a19a47b1ff7cd8964a9085e67a963ae197d51512e443df88ecea9a7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af6914a19a47b1ff7cd8964a9085e67a963ae197d51512e443df88ecea9a7ec", kill_on_drop: false }`
[INFO] [stdout] 1af6914a19a47b1ff7cd8964a9085e67a963ae197d51512e443df88ecea9a7ec