[INFO] cloning repository https://github.com/ljl222/ink_erc20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ljl222/ink_erc20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljl222%2Fink_erc20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljl222%2Fink_erc20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fab4c45f4cb041bfd134efda4316eca43222e55
[INFO] checking ljl222/ink_erc20 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljl222%2Fink_erc20" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ljl222/ink_erc20 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ljl222/ink_erc20
[INFO] finished tweaking git repo https://github.com/ljl222/ink_erc20
[INFO] tweaked toml for git repo https://github.com/ljl222/ink_erc20 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ljl222/ink_erc20 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdf34a429f2e89a6cc8887a70423862060ccbfc0eeff6cd7ac570cb3a1022f04
[INFO] running `Command { std: "docker" "start" "-a" "cdf34a429f2e89a6cc8887a70423862060ccbfc0eeff6cd7ac570cb3a1022f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdf34a429f2e89a6cc8887a70423862060ccbfc0eeff6cd7ac570cb3a1022f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf34a429f2e89a6cc8887a70423862060ccbfc0eeff6cd7ac570cb3a1022f04", kill_on_drop: false }`
[INFO] [stdout] cdf34a429f2e89a6cc8887a70423862060ccbfc0eeff6cd7ac570cb3a1022f04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9604f44f5963fd729bec71036f70f9d166dc57fcd5d9cba00697d2ec87b2d11
[INFO] running `Command { std: "docker" "start" "-a" "c9604f44f5963fd729bec71036f70f9d166dc57fcd5d9cba00697d2ec87b2d11", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
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[INFO] [stderr]     Checking regex-automata v0.1.10
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[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking ink_allocator v3.0.0-rc8
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking half v1.8.2
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[INFO] [stderr]     Checking sha2 v0.10.1
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[INFO] [stderr]     Checking secp256k1 v0.21.2
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[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1 v0.7.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling impl-serde v0.3.2
[INFO] [stderr]    Compiling ink_lang_ir v3.0.0-rc8
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling ink_storage_derive v3.0.0-rc8
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]    Compiling scale-info-derive v1.0.0
[INFO] [stderr]    Compiling parity-scale-codec v2.3.1
[INFO] [stderr]    Compiling ink_primitives v3.0.0-rc8
[INFO] [stderr]    Compiling ink_lang_codegen v3.0.0-rc8
[INFO] [stderr]    Compiling ink_lang_macro v3.0.0-rc8
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_json v1.0.78
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking scale-info v1.0.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking ink_metadata v3.0.0-rc8
[INFO] [stderr]     Checking ink_env v3.0.0-rc8
[INFO] [stderr]     Checking ink_eth_compatibility v3.0.0-rc8
[INFO] [stderr]     Checking ink_storage v3.0.0-rc8
[INFO] [stderr]     Checking ink_lang v3.0.0-rc8
[INFO] [stderr]     Checking erc2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Decode` and `Encode`
[INFO] [stdout]   --> lib.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use scale::{Encode, Decode};
[INFO] [stdout]    |                 ^^^^^^  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decode` and `Encode`
[INFO] [stdout]   --> lib.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use scale::{Encode, Decode};
[INFO] [stdout]    |                 ^^^^^^  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "c9604f44f5963fd729bec71036f70f9d166dc57fcd5d9cba00697d2ec87b2d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9604f44f5963fd729bec71036f70f9d166dc57fcd5d9cba00697d2ec87b2d11", kill_on_drop: false }`
[INFO] [stdout] c9604f44f5963fd729bec71036f70f9d166dc57fcd5d9cba00697d2ec87b2d11