[INFO] fetching crate subwallet 0.1.0...
[INFO] checking subwallet-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate subwallet 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate subwallet 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate subwallet 0.1.0
[INFO] finished tweaking crates.io crate subwallet 0.1.0
[INFO] tweaked toml for crates.io crate subwallet 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate subwallet 0.1.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "a8b495633fc676045abc7cad53b73d80014362ead4c3fa8b0cefe195c5d1e0f8", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `Derive`, `Ss58AddressFormat`, `set_default_ss58_version`
[INFO] [stdout]  --> src/crypto.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     crypto::{set_default_ss58_version, Ss58AddressFormat, Ss58Codec, Derive, AccountId32 },
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ss58AddressFormat` is imported redundantly
[INFO] [stdout]   --> src/main.rs:9:23
[INFO] [stdout]    |
[INFO] [stdout] 9  | use sp_core::crypto::{Ss58AddressFormat, set_default_ss58_version};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 | use crypto::*;
[INFO] [stdout]    |     --------- the item `Ss58AddressFormat` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `set_default_ss58_version` is imported redundantly
[INFO] [stdout]   --> src/main.rs:9:42
[INFO] [stdout]    |
[INFO] [stdout] 9  | use sp_core::crypto::{Ss58AddressFormat, set_default_ss58_version};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 | use crypto::*;
[INFO] [stdout]    |     --------- the item `set_default_ss58_version` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ed25519` is imported redundantly
[INFO] [stdout]   --> src/keystore.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |     use super::*;
[INFO] [stdout]    |         -------- the item `ed25519` is already imported here
[INFO] [stdout] 77 |     use hex_literal::hex;
[INFO] [stdout] 78 |     use sp_core::{ ed25519, sr25519, ecdsa, Pair };
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sr25519` is imported redundantly
[INFO] [stdout]   --> src/keystore.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 76 |     use super::*;
[INFO] [stdout]    |         -------- the item `sr25519` is already imported here
[INFO] [stdout] 77 |     use hex_literal::hex;
[INFO] [stdout] 78 |     use sp_core::{ ed25519, sr25519, ecdsa, Pair };
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ecdsa` is imported redundantly
[INFO] [stdout]   --> src/keystore.rs:78:35
[INFO] [stdout]    |
[INFO] [stdout] 76 |     use super::*;
[INFO] [stdout]    |         -------- the item `ecdsa` is already imported here
[INFO] [stdout] 77 |     use hex_literal::hex;
[INFO] [stdout] 78 |     use sp_core::{ ed25519, sr25519, ecdsa, Pair };
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Pair` is imported redundantly
[INFO] [stdout]   --> src/keystore.rs:78:42
[INFO] [stdout]    |
[INFO] [stdout] 76 |     use super::*;
[INFO] [stdout]    |         -------- the item `Pair` is already imported here
[INFO] [stdout] 77 |     use hex_literal::hex;
[INFO] [stdout] 78 |     use sp_core::{ ed25519, sr25519, ecdsa, Pair };
[INFO] [stdout]    |                                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Derive`, `Ss58AddressFormat`, `set_default_ss58_version`
[INFO] [stdout]  --> src/crypto.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     crypto::{set_default_ss58_version, Ss58AddressFormat, Ss58Codec, Derive, AccountId32 },
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ss58AddressFormat` is imported redundantly
[INFO] [stdout]    --> src/wallet.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 133 |         crypto::{Ss58AddressFormat, set_default_ss58_version},
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     use crate::crypto::*;
[INFO] [stdout]     |         ---------------- the item `Ss58AddressFormat` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `set_default_ss58_version` is imported redundantly
[INFO] [stdout]    --> src/wallet.rs:133:31
[INFO] [stdout]     |
[INFO] [stdout] 133 |         crypto::{Ss58AddressFormat, set_default_ss58_version},
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     use crate::crypto::*;
[INFO] [stdout]     |         ---------------- the item `set_default_ss58_version` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ed25519` is imported redundantly
[INFO] [stdout]    --> src/wallet.rs:134:3
[INFO] [stdout]     |
[INFO] [stdout] 134 |         ed25519, sr25519, ecdsa, Pair
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     use crate::crypto::*;
[INFO] [stdout]     |         ---------------- the item `ed25519` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sr25519` is imported redundantly
[INFO] [stdout]    --> src/wallet.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 |         ed25519, sr25519, ecdsa, Pair
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     use crate::crypto::*;
[INFO] [stdout]     |         ---------------- the item `sr25519` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ecdsa` is imported redundantly
[INFO] [stdout]    --> src/wallet.rs:134:21
[INFO] [stdout]     |
[INFO] [stdout] 134 |         ed25519, sr25519, ecdsa, Pair
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     use crate::crypto::*;
[INFO] [stdout]     |         ---------------- the item `ecdsa` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Pair` is imported redundantly
[INFO] [stdout]    --> src/wallet.rs:134:28
[INFO] [stdout]     |
[INFO] [stdout] 134 |         ed25519, sr25519, ecdsa, Pair
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     use crate::crypto::*;
[INFO] [stdout]     |         ---------------- the item `Pair` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ss58AddressFormat` is imported redundantly
[INFO] [stdout]   --> src/main.rs:9:23
[INFO] [stdout]    |
[INFO] [stdout] 9  | use sp_core::crypto::{Ss58AddressFormat, set_default_ss58_version};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 | use crypto::*;
[INFO] [stdout]    |     --------- the item `Ss58AddressFormat` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `set_default_ss58_version` is imported redundantly
[INFO] [stdout]   --> src/main.rs:9:42
[INFO] [stdout]    |
[INFO] [stdout] 9  | use sp_core::crypto::{Ss58AddressFormat, set_default_ss58_version};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 | use crypto::*;
[INFO] [stdout]    |     --------- the item `set_default_ss58_version` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.11s
[INFO] running `Command { std: "docker" "inspect" "5bbdfaf2516f851fa58d7f1eca29c362d098b020d6880a37cd93b6b4df8ddc4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bbdfaf2516f851fa58d7f1eca29c362d098b020d6880a37cd93b6b4df8ddc4a", kill_on_drop: false }`
[INFO] [stdout] 5bbdfaf2516f851fa58d7f1eca29c362d098b020d6880a37cd93b6b4df8ddc4a