[INFO] fetching crate default_allocator 0.3.0...
[INFO] testing default_allocator-0.3.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate default_allocator 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate default_allocator 0.3.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate default_allocator 0.3.0
[INFO] finished tweaking crates.io crate default_allocator 0.3.0
[INFO] tweaked toml for crates.io crate default_allocator 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c906301db7ecc3e5b6941a3bf83a9527ec61e7de854921ae1362a4c228e4e2d6
[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" "c906301db7ecc3e5b6941a3bf83a9527ec61e7de854921ae1362a4c228e4e2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c906301db7ecc3e5b6941a3bf83a9527ec61e7de854921ae1362a4c228e4e2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c906301db7ecc3e5b6941a3bf83a9527ec61e7de854921ae1362a4c228e4e2d6", kill_on_drop: false }`
[INFO] [stdout] c906301db7ecc3e5b6941a3bf83a9527ec61e7de854921ae1362a4c228e4e2d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71b6bc308f89b8d638c674464b0461fd2e61baeb6d7ddabe7577c721bf663227
[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" "71b6bc308f89b8d638c674464b0461fd2e61baeb6d7ddabe7577c721bf663227", kill_on_drop: false }`
[INFO] [stderr]    Compiling ptr v0.2.2
[INFO] [stderr]    Compiling loca v0.7.2
[INFO] [stderr]    Compiling default_allocator v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         use ::core::cmp::Ord;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "71b6bc308f89b8d638c674464b0461fd2e61baeb6d7ddabe7577c721bf663227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b6bc308f89b8d638c674464b0461fd2e61baeb6d7ddabe7577c721bf663227", kill_on_drop: false }`
[INFO] [stdout] 71b6bc308f89b8d638c674464b0461fd2e61baeb6d7ddabe7577c721bf663227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8805a2ee9f49a61016a0b68a96317a512c9be88fe2d7dc2eb6eb8ab54bbcc4e2
[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" "8805a2ee9f49a61016a0b68a96317a512c9be88fe2d7dc2eb6eb8ab54bbcc4e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling default_allocator v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         use ::core::cmp::Ord;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         use ::core::cmp::Ord;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `offset` found for struct `core::ptr::NonNull<u8>` in the current scope
[INFO] [stdout]   --> src/lib.rs:96:27
[INFO] [stdout]    |
[INFO] [stdout] 96 |             let end = ptr.offset(layout.size() as isize);
[INFO] [stdout]    |                           ^^^^^^ method not found in `core::ptr::NonNull<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `core::ptr::NonNull<u8>` cannot be dereferenced
[INFO] [stdout]   --> src/lib.rs:99:28
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 assert_eq!(*i, 0);
[INFO] [stdout]    |                            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `offset` found for struct `core::ptr::NonNull<u8>` in the current scope
[INFO] [stdout]    --> src/lib.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 i = i.offset(1);
[INFO] [stdout]     |                       ^^^^^^ method not found in `core::ptr::NonNull<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0614.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `default_allocator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8805a2ee9f49a61016a0b68a96317a512c9be88fe2d7dc2eb6eb8ab54bbcc4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8805a2ee9f49a61016a0b68a96317a512c9be88fe2d7dc2eb6eb8ab54bbcc4e2", kill_on_drop: false }`
[INFO] [stdout] 8805a2ee9f49a61016a0b68a96317a512c9be88fe2d7dc2eb6eb8ab54bbcc4e2