[INFO] fetching crate block_allocator 0.2.2...
[INFO] checking block_allocator-0.2.2 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] extracting crate block_allocator 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate block_allocator 0.2.2 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate block_allocator 0.2.2
[INFO] finished tweaking crates.io crate block_allocator 0.2.2
[INFO] tweaked toml for crates.io crate block_allocator 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df0b055eba7c4af045f0cab59cb9a294858c49b4d356d1223d0aeca986b73789
[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" "df0b055eba7c4af045f0cab59cb9a294858c49b4d356d1223d0aeca986b73789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df0b055eba7c4af045f0cab59cb9a294858c49b4d356d1223d0aeca986b73789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df0b055eba7c4af045f0cab59cb9a294858c49b4d356d1223d0aeca986b73789", kill_on_drop: false }`
[INFO] [stdout] df0b055eba7c4af045f0cab59cb9a294858c49b4d356d1223d0aeca986b73789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62fb1aa04e555ef5fa1d1c063ca4aa05dc3ab9d96bd20ee73e2dd8bae1ff6617
[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" "62fb1aa04e555ef5fa1d1c063ca4aa05dc3ab9d96bd20ee73e2dd8bae1ff6617", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking block_allocator v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/block_allocator.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 | const PAGE_SIZE : u32 = (1 << 12);
[INFO] [stdout]    |                         ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/block_allocator.rs:250:32
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn cause(&self) -> Option<&Error> { 
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/block_allocator.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 | const PAGE_SIZE : u32 = (1 << 12);
[INFO] [stdout]    |                         ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/block_allocator.rs:250:32
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn cause(&self) -> Option<&Error> { 
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/block_allocator.rs:135:28
[INFO] [stdout]     |
[INFO] [stdout] 135 |             hd = self.head.compare_and_swap(hd, mem::transmute(newhd_ary), Ordering::SeqCst);
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/block_allocator.rs:183:28
[INFO] [stdout]     |
[INFO] [stdout] 183 |             hd = self.head.compare_and_swap(hd, mem::transmute(newhd_ary), Ordering::SeqCst);
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/block_allocator.rs:135:28
[INFO] [stdout]     |
[INFO] [stdout] 135 |             hd = self.head.compare_and_swap(hd, mem::transmute(newhd_ary), Ordering::SeqCst);
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/block_allocator.rs:183:28
[INFO] [stdout]     |
[INFO] [stdout] 183 |             hd = self.head.compare_and_swap(hd, mem::transmute(newhd_ary), Ordering::SeqCst);
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "62fb1aa04e555ef5fa1d1c063ca4aa05dc3ab9d96bd20ee73e2dd8bae1ff6617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62fb1aa04e555ef5fa1d1c063ca4aa05dc3ab9d96bd20ee73e2dd8bae1ff6617", kill_on_drop: false }`
[INFO] [stdout] 62fb1aa04e555ef5fa1d1c063ca4aa05dc3ab9d96bd20ee73e2dd8bae1ff6617