[INFO] fetching crate sp-allocator 3.0.0...
[INFO] checking sp-allocator-3.0.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate sp-allocator 3.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sp-allocator 3.0.0 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 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-0/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6421182fe756d2456e7bce644c25aaebbc75fec947054af6c287698b34cef124
[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" "6421182fe756d2456e7bce644c25aaebbc75fec947054af6c287698b34cef124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6421182fe756d2456e7bce644c25aaebbc75fec947054af6c287698b34cef124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6421182fe756d2456e7bce644c25aaebbc75fec947054af6c287698b34cef124", kill_on_drop: false }`
[INFO] [stdout] 6421182fe756d2456e7bce644c25aaebbc75fec947054af6c287698b34cef124
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8e4ad3facc2a471998b09bcb08590d918e5ded7074856c92b0160e7bb651d98a
[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" "8e4ad3facc2a471998b09bcb08590d918e5ded7074856c92b0160e7bb651d98a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking sp-std v3.0.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking tracing v0.1.28
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking uint v0.9.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling sp-debug-derive v3.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking ref-cast v1.0.6
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.3
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking secrecy v0.7.0
[INFO] [stderr]     Checking futures-util v0.3.17
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]     Checking tiny-bip39 v0.8.0
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking substrate-bip39 v0.4.4
[INFO] [stderr]     Checking tracing-subscriber v0.2.24
[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 v2.3.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v3.0.0
[INFO] [stderr]     Checking parity-scale-codec v2.3.0
[INFO] [stderr]     Checking impl-codec v0.5.1
[INFO] [stderr]     Checking sp-storage v3.0.0
[INFO] [stderr]     Checking sp-tracing v3.0.0
[INFO] [stderr]     Checking sp-wasm-interface v3.0.0
[INFO] [stderr]     Checking primitive-types v0.9.1
[INFO] [stderr]     Checking sp-externalities v0.9.0
[INFO] [stderr]     Checking sp-runtime-interface v3.0.0
[INFO] [stderr]     Checking sp-core v3.0.0
[INFO] [stderr]     Checking 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] [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 12s
[INFO] running `Command { std: "docker" "inspect" "8e4ad3facc2a471998b09bcb08590d918e5ded7074856c92b0160e7bb651d98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4ad3facc2a471998b09bcb08590d918e5ded7074856c92b0160e7bb651d98a", kill_on_drop: false }`
[INFO] [stdout] 8e4ad3facc2a471998b09bcb08590d918e5ded7074856c92b0160e7bb651d98a