[INFO] fetching crate slab_allocator 0.3.5...
[INFO] checking slab_allocator-0.3.5 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate slab_allocator 0.3.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate slab_allocator 0.3.5 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slab_allocator 0.3.5
[INFO] finished tweaking crates.io crate slab_allocator 0.3.5
[INFO] tweaked toml for crates.io crate slab_allocator 0.3.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02fd5aebc6fcf973a4b24f922fcb4173193de755b6d62d7dc7b5cf73c3d2e6a7
[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" "02fd5aebc6fcf973a4b24f922fcb4173193de755b6d62d7dc7b5cf73c3d2e6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02fd5aebc6fcf973a4b24f922fcb4173193de755b6d62d7dc7b5cf73c3d2e6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02fd5aebc6fcf973a4b24f922fcb4173193de755b6d62d7dc7b5cf73c3d2e6a7", kill_on_drop: false }`
[INFO] [stdout] 02fd5aebc6fcf973a4b24f922fcb4173193de755b6d62d7dc7b5cf73c3d2e6a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8846683c012832b8db1a3cc0e4b082152f06fb6875fcf6c74eaacff371a32dea
[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" "8846683c012832b8db1a3cc0e4b082152f06fb6875fcf6c74eaacff371a32dea", kill_on_drop: false }`
[INFO] [stderr]     Checking linked_list_allocator v0.6.6
[INFO] [stdout] error[E0050]: method `alloc` has 2 parameters but the declaration in trait `core::alloc::AllocRef::alloc` has 3
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.6.6/src/lib.rs:133:21
[INFO] [stdout]     |
[INFO] [stdout] 133 |     unsafe fn alloc(&mut self, layout: Layout) -> Result<NonNull<u8>, AllocErr> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ expected 3 parameters, found 2
[INFO] [stdout]     |
[INFO] [stdout]     = note: `alloc` from trait: `fn(&mut Self, core::alloc::Layout, core::alloc::AllocInit) -> core::result::Result<core::alloc::MemoryBlock, core::alloc::AllocErr>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0050`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_list_allocator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8846683c012832b8db1a3cc0e4b082152f06fb6875fcf6c74eaacff371a32dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8846683c012832b8db1a3cc0e4b082152f06fb6875fcf6c74eaacff371a32dea", kill_on_drop: false }`
[INFO] [stdout] 8846683c012832b8db1a3cc0e4b082152f06fb6875fcf6c74eaacff371a32dea