[INFO] cloning repository https://github.com/weichweich/substrate-storage-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weichweich/substrate-storage-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweichweich%2Fsubstrate-storage-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweichweich%2Fsubstrate-storage-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d84850ab9258464040e64689afa9225a2d8e07a
[INFO] building weichweich/substrate-storage-playground against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweichweich%2Fsubstrate-storage-playground" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/weichweich/substrate-storage-playground
[INFO] finished tweaking git repo https://github.com/weichweich/substrate-storage-playground
[INFO] tweaked toml for git repo https://github.com/weichweich/substrate-storage-playground written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/weichweich/substrate-storage-playground on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/weichweich/substrate-storage-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memory_units v0.3.0
[INFO] [stderr]   Downloaded wasmi-validation v0.4.0
[INFO] [stderr]   Downloaded proc-macro-crate v1.0.0
[INFO] [stderr]   Downloaded parity-util-mem v0.9.0
[INFO] [stderr]   Downloaded zstd v0.6.1+zstd.1.4.9
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[INFO] [stderr]   Downloaded integer-sqrt v0.1.5
[INFO] [stderr]   Downloaded dyn-clone v1.0.4
[INFO] [stderr]   Downloaded synstructure v0.12.5
[INFO] [stderr]   Downloaded dyn-clonable-impl v0.9.0
[INFO] [stderr]   Downloaded sha2 v0.9.5
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[INFO] [stderr]   Downloaded trie-db v0.22.6
[INFO] [stderr]   Downloaded dyn-clonable v0.9.0
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[INFO] [stderr]   Downloaded ref-cast-impl v1.0.6
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.3
[INFO] [stderr]   Downloaded zeroize_derive v1.1.0
[INFO] [stderr]   Downloaded trie-root v0.16.0
[INFO] [stderr]   Downloaded ruzstd v0.2.4
[INFO] [stderr]   Downloaded zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]   Downloaded curve25519-dalek v3.1.0
[INFO] [stderr]   Downloaded jobserver v0.1.22
[INFO] [stderr]   Downloaded memory-db v0.26.0
[INFO] [stderr]   Downloaded base58 v0.1.0
[INFO] [stderr]   Downloaded signature v1.3.1
[INFO] [stderr]   Downloaded ed25519 v1.2.0
[INFO] [stderr]   Downloaded hash256-std-hasher v0.15.2
[INFO] [stderr]   Downloaded ahash v0.4.7
[INFO] [stderr]   Downloaded parity-util-mem-derive v0.1.0
[INFO] [stderr]   Downloaded ref-cast v1.0.6
[INFO] [stderr]   Downloaded pbkdf2 v0.3.0
[INFO] [stderr]   Downloaded merlin v2.0.1
[INFO] [stderr]   Downloaded substrate-bip39 v0.4.2
[INFO] [stderr]   Downloaded tinyvec v1.3.1
[INFO] [stderr]   Downloaded zeroize v1.4.1
[INFO] [stderr]   Downloaded hash-db v0.15.2
[INFO] [stderr]   Downloaded byte-slice-cast v1.0.0
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded parity-wasm v0.42.2
[INFO] [stderr]   Downloaded wasmi v0.9.0
[INFO] [stderr]   Downloaded schnorrkel v0.9.1
[INFO] [stderr]   Downloaded parity-scale-codec v2.2.0
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.2.0
[INFO] [stderr]   Downloaded tiny-bip39 v0.8.0
[INFO] [stderr]   Downloaded libsecp256k1 v0.3.5
[INFO] [stderr]   Downloaded zstd-sys v1.4.20+zstd.1.4.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65d8a7bd1cb622b4ce84385b05e305995b3790933b72f6cc81f2a8cf6e5424e3
[INFO] running `Command { std: "docker" "start" "-a" "65d8a7bd1cb622b4ce84385b05e305995b3790933b72f6cc81f2a8cf6e5424e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65d8a7bd1cb622b4ce84385b05e305995b3790933b72f6cc81f2a8cf6e5424e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d8a7bd1cb622b4ce84385b05e305995b3790933b72f6cc81f2a8cf6e5424e3", kill_on_drop: false }`
[INFO] [stdout] 65d8a7bd1cb622b4ce84385b05e305995b3790933b72f6cc81f2a8cf6e5424e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4457e72f92a6e265cac6894b08f28338fc51bf48186731d2f0e71238c0ac26a
[INFO] running `Command { std: "docker" "start" "-a" "a4457e72f92a6e265cac6894b08f28338fc51bf48186731d2f0e71238c0ac26a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling sp-std v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling block-padding v0.1.5
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[INFO] [stderr]    Compiling uint v0.9.1
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[INFO] [stderr]    Compiling num-rational v0.2.4
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[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling parity-wasm v0.42.2
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling itoa v0.4.7
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[INFO] [stderr]    Compiling parking_lot_core v0.8.3
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[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
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[INFO] [stderr]    Compiling parking_lot v0.11.1
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[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling digest v0.8.1
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[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand v0.8.4
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[INFO] [stderr]    Compiling wasmi-validation v0.4.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
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[INFO] [stderr]    Compiling num_cpus v1.13.0
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[INFO] [stderr]    Compiling nodrop v0.1.14
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[INFO] [stderr]    Compiling zstd-sys v1.4.20+zstd.1.4.9
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[INFO] [stderr]    Compiling miniz_oxide v0.4.4
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[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
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[INFO] [stderr]    Compiling gimli v0.24.0
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[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling trie-root v0.16.0
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
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[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling trie-db v0.22.6
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling sp-panic-handler v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
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[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling sp-debug-derive v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling curve25519-dalek v2.1.3
[INFO] [stderr]    Compiling merlin v2.0.1
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
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[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling dyn-clonable v0.9.0
[INFO] [stderr]    Compiling frame-support-procedural-tools-derive v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling substrate-bip39 v0.4.2
[INFO] [stderr]    Compiling futures-executor v0.3.15
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[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling impl-serde v0.3.1
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[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling frame-support-procedural-tools v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.2.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling max-encoded-len-derive v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling frame-support-procedural v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling parity-scale-codec v2.2.0
[INFO] [stderr]    Compiling impl-codec v0.5.1
[INFO] [stderr]    Compiling sp-storage v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling sp-wasm-interface v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling sp-tracing v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling sp-arithmetic v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling primitive-types v0.9.1
[INFO] [stderr]    Compiling sp-version-proc-macro v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling sp-externalities v0.9.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling max-encoded-len v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling sp-runtime-interface v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling memory-db v0.26.0
[INFO] [stderr]    Compiling sp-core v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling sp-trie v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling sp-keystore v0.9.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling frame-metadata v13.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling sp-state-machine v0.9.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling zstd v0.6.1+zstd.1.4.9
[INFO] [stderr]    Compiling sp-maybe-compressed-blob v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling sp-io v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling sp-application-crypto v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling sp-runtime v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling sp-staking v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling sp-inherents v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling sp-version v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling frame-support v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling frame-system v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling pallet-balances v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.8#74101dc2)
[INFO] [stderr]    Compiling substorage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Account`
[INFO] [stdout]  --> src/main.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use frame_system::{Account, AccountInfo};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut encoded1 = Vec::<u8>::from_hex(b"0100000000000000020000000100000000000000e78d7b42827c332b020000000000000000000000000000000000...
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut encoded2 = Vec::<u8>::from_hex(b"0100000000000000020000000100000000000000e7a085afa880332b020000000000000000000000000000000000...
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `storage_value_key` is never used
[INFO] [stdout]  --> src/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn storage_value_key(pallet_name: &[u8], storage_name: &[u8]) -> [u8; 32] {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "a4457e72f92a6e265cac6894b08f28338fc51bf48186731d2f0e71238c0ac26a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4457e72f92a6e265cac6894b08f28338fc51bf48186731d2f0e71238c0ac26a", kill_on_drop: false }`
[INFO] [stdout] a4457e72f92a6e265cac6894b08f28338fc51bf48186731d2f0e71238c0ac26a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd8fdaefb42036baf0984a2c385f684076b5bc1cd79e318d46f330a540c6f45d
[INFO] running `Command { std: "docker" "start" "-a" "cd8fdaefb42036baf0984a2c385f684076b5bc1cd79e318d46f330a540c6f45d", kill_on_drop: false }`
[INFO] [stderr]    Compiling substorage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Account`
[INFO] [stdout]  --> src/main.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use frame_system::{Account, AccountInfo};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut encoded1 = Vec::<u8>::from_hex(b"0100000000000000020000000100000000000000e78d7b42827c332b020000000000000000000000000000000000...
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut encoded2 = Vec::<u8>::from_hex(b"0100000000000000020000000100000000000000e7a085afa880332b020000000000000000000000000000000000...
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `storage_value_key` is never used
[INFO] [stdout]  --> src/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn storage_value_key(pallet_name: &[u8], storage_name: &[u8]) -> [u8; 32] {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "cd8fdaefb42036baf0984a2c385f684076b5bc1cd79e318d46f330a540c6f45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8fdaefb42036baf0984a2c385f684076b5bc1cd79e318d46f330a540c6f45d", kill_on_drop: false }`
[INFO] [stdout] cd8fdaefb42036baf0984a2c385f684076b5bc1cd79e318d46f330a540c6f45d
