[INFO] cloning repository JKingdom/substrate-storage-example
[INFO] running `"git" "clone" "--bare" "git://github.com/JKingdom/substrate-storage-example.git" "work/cache/sources/gh/JKingdom/substrate-storage-example"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/JKingdom/substrate-storage-example'...
[INFO] running `"git" "clone" "work/cache/sources/gh/JKingdom/substrate-storage-example" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/JKingdom/substrate-storage-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/JKingdom/substrate-storage-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JKingdom/substrate-storage-example" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/JKingdom/substrate-storage-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/JKingdom/substrate-storage-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 542065b4e2416358f2a9d2011e41e75e0a24002b
[INFO] sha for GitHub repo JKingdom/substrate-storage-example: 542065b4e2416358f2a9d2011e41e75e0a24002b
[INFO] validating manifest of JKingdom/substrate-storage-example on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JKingdom/substrate-storage-example on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing JKingdom/substrate-storage-example
[INFO] finished frobbing JKingdom/substrate-storage-example
[INFO] frobbed toml for JKingdom/substrate-storage-example written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/JKingdom/substrate-storage-example/Cargo.toml
[INFO] started frobbing JKingdom/substrate-storage-example
[INFO] finished frobbing JKingdom/substrate-storage-example
[INFO] frobbed toml for JKingdom/substrate-storage-example written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/JKingdom/substrate-storage-example/Cargo.toml
[INFO] crate JKingdom/substrate-storage-example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded environmental v1.0.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking JKingdom/substrate-storage-example against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/JKingdom/substrate-storage-example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 856270ddafd60b01300fe481b69cb64ab5a5b4ef44b2e87f240f6f8388e821eb
[INFO] running `"docker" "start" "-a" "856270ddafd60b01300fe481b69cb64ab5a5b4ef44b2e87f240f6f8388e821eb"`
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking hash-db v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]     Checking environmental v1.0.0
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling sr-std v0.1.0 (https://github.com/paritytech/substrate#74fae42c)
[INFO] [stderr]     Checking parity-codec v2.1.5
[INFO] [stderr]     Checking hash256-std-hasher v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling parity-codec-derive v2.1.0
[INFO] [stderr]     Checking uint v0.5.0
[INFO] [stderr]     Checking fixed-hash v0.3.0
[INFO] [stderr]     Checking wasmi v0.4.2
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]     Checking substrate-primitives v0.1.0 (https://github.com/paritytech/substrate#74fae42c)
[INFO] [stderr]     Checking storage v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::marker::PhantomData;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:89:58
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub fn with_externalities<R, F: FnOnce() -> R>(ext: &mut MemDBT, f: F) -> R {
[INFO] [stderr]    |                                                          ^^^^^^ help: use `dyn`: `dyn MemDBT`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StorageMap`
[INFO] [stderr]   --> src/main.rs:13:21
[INFO] [stderr]    |
[INFO] [stderr] 13 | use self::storage::{StorageMap, StorageValue};
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Encode`
[INFO] [stderr]   --> src/main.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::codec::{Codec, Encode, Decode};
[INFO] [stderr]    |                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_or_default`
[INFO] [stderr]   --> src/storage/mod.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn get_or_default<T: Codec + Sized + Default>(key: &[u8]) -> T {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_or`
[INFO] [stderr]   --> src/storage/mod.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn get_or<T: Codec + Sized>(key: &[u8], default_value: T) -> T {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_or_else`
[INFO] [stderr]   --> src/storage/mod.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn get_or_else<T: Codec + Sized, F: FnOnce() -> T>(key: &[u8], default_value: F) -> T {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `take_or_default`
[INFO] [stderr]   --> src/storage/mod.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn take_or_default<T: Codec + Sized + Default>(key: &[u8]) -> T {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `take_or`
[INFO] [stderr]   --> src/storage/mod.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub fn take_or<T: Codec + Sized>(key: &[u8], default_value: T) -> T {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `take_or_else`
[INFO] [stderr]   --> src/storage/mod.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn take_or_else<T: Codec + Sized, F: FnOnce() -> T>(key: &[u8], default_value: F) -> T {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_raw`
[INFO] [stderr]    --> src/storage/mod.rs:100:1
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn get_raw(key: &[u8]) -> Option<Vec<u8>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `put_raw`
[INFO] [stderr]    --> src/storage/mod.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub fn put_raw(key: &[u8], value: &[u8]) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `A`
[INFO] [stderr]  --> src/datadef.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct A;
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `B`
[INFO] [stderr]   --> src/datadef.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct B;
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn init(&mut self, v: Vec<(Vec<u8>, Vec<u8>)>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::marker::PhantomData;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:89:58
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub fn with_externalities<R, F: FnOnce() -> R>(ext: &mut MemDBT, f: F) -> R {
[INFO] [stderr]    |                                                          ^^^^^^ help: use `dyn`: `dyn MemDBT`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StorageMap`
[INFO] [stderr]   --> src/main.rs:13:21
[INFO] [stderr]    |
[INFO] [stderr] 13 | use self::storage::{StorageMap, StorageValue};
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Encode`
[INFO] [stderr]   --> src/main.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::codec::{Codec, Encode, Decode};
[INFO] [stderr]    |                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_or_default`
[INFO] [stderr]   --> src/storage/mod.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn get_or_default<T: Codec + Sized + Default>(key: &[u8]) -> T {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_or`
[INFO] [stderr]   --> src/storage/mod.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn get_or<T: Codec + Sized>(key: &[u8], default_value: T) -> T {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_or_else`
[INFO] [stderr]   --> src/storage/mod.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn get_or_else<T: Codec + Sized, F: FnOnce() -> T>(key: &[u8], default_value: F) -> T {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `take_or_default`
[INFO] [stderr]   --> src/storage/mod.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn take_or_default<T: Codec + Sized + Default>(key: &[u8]) -> T {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `take_or`
[INFO] [stderr]   --> src/storage/mod.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub fn take_or<T: Codec + Sized>(key: &[u8], default_value: T) -> T {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `take_or_else`
[INFO] [stderr]   --> src/storage/mod.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn take_or_else<T: Codec + Sized, F: FnOnce() -> T>(key: &[u8], default_value: F) -> T {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_raw`
[INFO] [stderr]    --> src/storage/mod.rs:100:1
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn get_raw(key: &[u8]) -> Option<Vec<u8>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `put_raw`
[INFO] [stderr]    --> src/storage/mod.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub fn put_raw(key: &[u8], value: &[u8]) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `A`
[INFO] [stderr]  --> src/datadef.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct A;
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `B`
[INFO] [stderr]   --> src/datadef.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct B;
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn init(&mut self, v: Vec<(Vec<u8>, Vec<u8>)>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.89s
[INFO] running `"docker" "inspect" "856270ddafd60b01300fe481b69cb64ab5a5b4ef44b2e87f240f6f8388e821eb"`
[INFO] running `"docker" "rm" "-f" "856270ddafd60b01300fe481b69cb64ab5a5b4ef44b2e87f240f6f8388e821eb"`
[INFO] [stdout] 856270ddafd60b01300fe481b69cb64ab5a5b4ef44b2e87f240f6f8388e821eb