[INFO] fetching crate trie-bench 0.25.0...
[INFO] checking trie-bench-0.25.0 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate trie-bench 0.25.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate trie-bench 0.25.0 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trie-bench 0.25.0
[INFO] finished tweaking crates.io crate trie-bench 0.25.0
[INFO] tweaked toml for crates.io crate trie-bench 0.25.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", 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] 1c71bd91d104af142f28e21daa82c13827dbee3055bd4d91cbea04b02d66c5f0
[INFO] running `Command { std: "docker" "start" "-a" "1c71bd91d104af142f28e21daa82c13827dbee3055bd4d91cbea04b02d66c5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c71bd91d104af142f28e21daa82c13827dbee3055bd4d91cbea04b02d66c5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c71bd91d104af142f28e21daa82c13827dbee3055bd4d91cbea04b02d66c5f0", kill_on_drop: false }`
[INFO] [stdout] 1c71bd91d104af142f28e21daa82c13827dbee3055bd4d91cbea04b02d66c5f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c98b28c40512f74222591f15e5303f152cb0ea69e39966fd95735bb9df76ed6
[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" "9c98b28c40512f74222591f15e5303f152cb0ea69e39966fd95735bb9df76ed6", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking keccak-hasher v0.15.3
[INFO] [stderr]     Checking trie-standardmap v0.15.2
[INFO] [stderr]     Checking trie-db v0.22.1
[INFO] [stderr]     Checking parity-scale-codec v1.3.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking memory-db v0.24.1
[INFO] [stderr]     Checking trie-bench v0.25.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.60s
[INFO] running `Command { std: "docker" "inspect" "9c98b28c40512f74222591f15e5303f152cb0ea69e39966fd95735bb9df76ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c98b28c40512f74222591f15e5303f152cb0ea69e39966fd95735bb9df76ed6", kill_on_drop: false }`
[INFO] [stdout] 9c98b28c40512f74222591f15e5303f152cb0ea69e39966fd95735bb9df76ed6