[INFO] fetching crate sp-allocator 3.0.0...
[INFO] testing sp-allocator-3.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate sp-allocator 3.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sp-allocator 3.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp-allocator 3.0.0
[INFO] finished tweaking crates.io crate sp-allocator 3.0.0
[INFO] tweaked toml for crates.io crate sp-allocator 3.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc8e726e8d692542df1ec0d482733f71fa5de5b4d2542237122b2decbf0e4e43
[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" "cc8e726e8d692542df1ec0d482733f71fa5de5b4d2542237122b2decbf0e4e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc8e726e8d692542df1ec0d482733f71fa5de5b4d2542237122b2decbf0e4e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc8e726e8d692542df1ec0d482733f71fa5de5b4d2542237122b2decbf0e4e43", kill_on_drop: false }`
[INFO] [stdout] cc8e726e8d692542df1ec0d482733f71fa5de5b4d2542237122b2decbf0e4e43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 49650f54a95d41bf9c5fb005fd2be9b83988ad3b491e8a68a6fd968df2fc3cae
[INFO] running `Command { std: "docker" "start" "-a" "49650f54a95d41bf9c5fb005fd2be9b83988ad3b491e8a68a6fd968df2fc3cae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling byte-slice-cast v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling sp-std v3.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling sp-debug-derive v3.0.0
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling dyn-clonable v0.9.0
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling zeroize v1.4.3
[INFO] [stderr]    Compiling merlin v2.0.1
[INFO] [stderr]    Compiling curve25519-dalek v2.1.3
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling tiny-bip39 v0.8.2
[INFO] [stderr]    Compiling secrecy v0.7.0
[INFO] [stderr]    Compiling wasmi v0.6.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling impl-serde v0.3.2
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling schnorrkel v0.9.1
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling substrate-bip39 v0.4.4
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v3.0.0
[INFO] [stderr]    Compiling parity-scale-codec v2.3.1
[INFO] [stderr]    Compiling impl-codec v0.5.1
[INFO] [stderr]    Compiling sp-storage v3.0.0
[INFO] [stderr]    Compiling sp-wasm-interface v3.0.0
[INFO] [stderr]    Compiling sp-tracing v3.0.0
[INFO] [stderr]    Compiling primitive-types v0.9.1
[INFO] [stderr]    Compiling sp-externalities v0.9.0
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]    Compiling sp-runtime-interface v3.0.0
[INFO] [stderr]    Compiling sp-core v3.0.0
[INFO] [stderr]    Compiling sp-allocator v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/freeing_bump.rs:476:3
[INFO] [stdout]     |
[INFO] [stdout] 476 |         &mut self[range].copy_from_slice(&bytes[..]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 476 |         let _ = &mut self[range].copy_from_slice(&bytes[..]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `Command { std: "docker" "inspect" "49650f54a95d41bf9c5fb005fd2be9b83988ad3b491e8a68a6fd968df2fc3cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49650f54a95d41bf9c5fb005fd2be9b83988ad3b491e8a68a6fd968df2fc3cae", kill_on_drop: false }`
[INFO] [stdout] 49650f54a95d41bf9c5fb005fd2be9b83988ad3b491e8a68a6fd968df2fc3cae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f5bbe2d8c7a2b07cc4be5f4b01d8d1288703584a6dd63f52417852bed4026752
[INFO] running `Command { std: "docker" "start" "-a" "f5bbe2d8c7a2b07cc4be5f4b01d8d1288703584a6dd63f52417852bed4026752", kill_on_drop: false }`
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/freeing_bump.rs:476:3
[INFO] [stdout]     |
[INFO] [stdout] 476 |         &mut self[range].copy_from_slice(&bytes[..]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 476 |         let _ = &mut self[range].copy_from_slice(&bytes[..]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sp-allocator v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/freeing_bump.rs:476:3
[INFO] [stdout]     |
[INFO] [stdout] 476 |         &mut self[range].copy_from_slice(&bytes[..]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 476 |         let _ = &mut self[range].copy_from_slice(&bytes[..]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.66s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f5bbe2d8c7a2b07cc4be5f4b01d8d1288703584a6dd63f52417852bed4026752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5bbe2d8c7a2b07cc4be5f4b01d8d1288703584a6dd63f52417852bed4026752", kill_on_drop: false }`
[INFO] [stdout] f5bbe2d8c7a2b07cc4be5f4b01d8d1288703584a6dd63f52417852bed4026752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b4e30807111776c67e8768e765fdb079b87cced174518737316bb8aa9d4db16
[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" "3b4e30807111776c67e8768e765fdb079b87cced174518737316bb8aa9d4db16", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/freeing_bump.rs:476:3
[INFO] [stderr]     |
[INFO] [stderr] 476 |         &mut self[range].copy_from_slice(&bytes[..]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 476 |         let _ = &mut self[range].copy_from_slice(&bytes[..]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `sp-allocator` (lib) generated 1 warning
[INFO] [stderr] warning: `sp-allocator` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sp_allocator-5a2aec6f7d035bc8)
[INFO] [stdout] running 20 tests
[INFO] [stdout] test freeing_bump::tests::header_read_write ... ok
[INFO] [stdout] test freeing_bump::tests::deallocate_needs_to_maintain_linked_list ... ok
[INFO] [stdout] test freeing_bump::tests::should_allocate_max_possible_allocation_size ... ok
[INFO] [stdout] test freeing_bump::tests::should_deallocate_and_reallocate_properly ... ok
[INFO] [stdout] test freeing_bump::tests::should_build_linked_list_of_free_areas_properly ... ok
[INFO] [stdout] test freeing_bump::tests::should_calculate_total_size_of_zero ... ok
[INFO] [stdout] test freeing_bump::tests::should_calculate_total_heap_size_to_zero ... ok
[INFO] [stdout] test freeing_bump::tests::poison_oom ... ok
[INFO] [stdout] test freeing_bump::tests::should_not_allocate_if_requested_size_too_large ... ok
[INFO] [stdout] test freeing_bump::tests::should_increment_pointers_properly ... ok
[INFO] [stdout] test freeing_bump::tests::should_not_allocate_if_full ... ok
[INFO] [stdout] test freeing_bump::tests::should_not_allocate_if_too_large ... ok
[INFO] [stdout] test freeing_bump::tests::should_get_item_size_from_order ... ok
[INFO] [stdout] test freeing_bump::tests::should_read_and_write_u64_correctly ... ok
[INFO] [stdout] test freeing_bump::tests::should_get_max_item_size_from_index ... ok
[INFO] [stdout] test freeing_bump::tests::should_always_align_pointers_to_multiples_of_8 ... ok
[INFO] [stdout] test freeing_bump::tests::should_include_prefixes_in_total_heap_size ... ok
[INFO] [stdout] test freeing_bump::tests::should_return_error_when_bumper_greater_than_heap_size ... ok
[INFO] [stdout] test freeing_bump::tests::should_allocate_properly ... ok
[INFO] [stdout] test freeing_bump::tests::should_free_properly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sp-allocator
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/freeing_bump.rs - freeing_bump (line 22) ... ignored
[INFO] [stdout] test src/freeing_bump.rs - freeing_bump::Header (line 196) ... ignored
[INFO] [stdout] test src/freeing_bump.rs - freeing_bump::Header (line 204) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b4e30807111776c67e8768e765fdb079b87cced174518737316bb8aa9d4db16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4e30807111776c67e8768e765fdb079b87cced174518737316bb8aa9d4db16", kill_on_drop: false }`
[INFO] [stdout] 3b4e30807111776c67e8768e765fdb079b87cced174518737316bb8aa9d4db16