[INFO] fetching crate mimalloc-rust 0.1.1...
[INFO] checking mimalloc-rust-0.1.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate mimalloc-rust 0.1.1 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate mimalloc-rust 0.1.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mimalloc-rust 0.1.1
[INFO] finished tweaking crates.io crate mimalloc-rust 0.1.1
[INFO] tweaked toml for crates.io crate mimalloc-rust 0.1.1 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6117d494b9cacb8f3d37579359712866b2941462528fcc355bf07edf002e0049
[INFO] running `Command { std: "docker" "start" "-a" "6117d494b9cacb8f3d37579359712866b2941462528fcc355bf07edf002e0049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6117d494b9cacb8f3d37579359712866b2941462528fcc355bf07edf002e0049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6117d494b9cacb8f3d37579359712866b2941462528fcc355bf07edf002e0049", kill_on_drop: false }`
[INFO] [stdout] 6117d494b9cacb8f3d37579359712866b2941462528fcc355bf07edf002e0049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a958d4c862c4734e180112de2a703fbb5e9e3c479c8938d7d7b44832f453348
[INFO] running `Command { std: "docker" "start" "-a" "9a958d4c862c4734e180112de2a703fbb5e9e3c479c8938d7d7b44832f453348", kill_on_drop: false }`
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]    Compiling mimalloc-rust-sys v1.7.2
[INFO] [stderr]     Checking mimalloc-rust v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ffi::c_void`, `mem::ManuallyDrop`
[INFO] [stdout]  --> src/tests/mod.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{ffi::c_void, mem::ManuallyDrop, println};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `mi_heap_area_t`, `mi_heap_delete`, `types::mi_heap_t`
[INFO] [stdout]  --> src/tests/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     heap::{mi_heap_area_t, mi_heap_delete},
[INFO] [stdout]   |            ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     runtime_options::mi_option_show_stats,
[INFO] [stdout] 7 |     types::mi_heap_t,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HeapVisitor`, `MiMallocHeap`, `raw::heap::mi_heap_new`, `with_heap`
[INFO] [stdout]   --> src/tests/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     heap::{HeapVisitor, MiMallocHeap},
[INFO] [stdout]    |            ^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 12 |     raw::heap::mi_heap_new,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     with_heap, GlobalMiMalloc,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "9a958d4c862c4734e180112de2a703fbb5e9e3c479c8938d7d7b44832f453348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a958d4c862c4734e180112de2a703fbb5e9e3c479c8938d7d7b44832f453348", kill_on_drop: false }`
[INFO] [stdout] 9a958d4c862c4734e180112de2a703fbb5e9e3c479c8938d7d7b44832f453348