[INFO] cloning repository https://github.com/robert-trifffin/substrate-erc20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robert-trifffin/substrate-erc20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-trifffin%2Fsubstrate-erc20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-trifffin%2Fsubstrate-erc20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 397cb2bf473c268e8a68a3c65a45b0d1897c3b63
[INFO] checking robert-trifffin/substrate-erc20 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-trifffin%2Fsubstrate-erc20" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robert-trifffin/substrate-erc20 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robert-trifffin/substrate-erc20
[INFO] finished tweaking git repo https://github.com/robert-trifffin/substrate-erc20
[INFO] tweaked toml for git repo https://github.com/robert-trifffin/substrate-erc20 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/robert-trifffin/substrate-erc20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sp-std v3.0.0
[INFO] [stderr]   Downloaded ink_prelude v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_env v3.0.0-rc4
[INFO] [stderr]   Downloaded scale-info v0.6.0
[INFO] [stderr]   Downloaded sp-arithmetic v3.0.0
[INFO] [stderr]   Downloaded ink_lang_macro v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_allocator v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_lang_codegen v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_lang v3.0.0-rc4
[INFO] [stderr]   Downloaded array-init v2.0.0
[INFO] [stderr]   Downloaded ink_storage_derive v3.0.0-rc4
[INFO] [stderr]   Downloaded scale-info-derive v0.4.0
[INFO] [stderr]   Downloaded ink_primitives v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_metadata v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_storage v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_lang_ir v3.0.0-rc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b012500dad45101321f65aec7a82b69e6d239033194779520bf3cf9f41874e7
[INFO] running `Command { std: "docker" "start" "-a" "6b012500dad45101321f65aec7a82b69e6d239033194779520bf3cf9f41874e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b012500dad45101321f65aec7a82b69e6d239033194779520bf3cf9f41874e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b012500dad45101321f65aec7a82b69e6d239033194779520bf3cf9f41874e7", kill_on_drop: false }`
[INFO] [stdout] 6b012500dad45101321f65aec7a82b69e6d239033194779520bf3cf9f41874e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22df6829abb1a9dfb8e8f061da4f525594e7313e9b9fe1863e57194874341d41
[INFO] running `Command { std: "docker" "start" "-a" "22df6829abb1a9dfb8e8f061da4f525594e7313e9b9fe1863e57194874341d41", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   byte-slice-cast v1.0.0 (as host dependency): std
[INFO] [stderr]   ink_prelude v3.0.0-rc4 (as host dependency): std
[INFO] [stderr]   ink_primitives v3.0.0-rc4 (as host dependency): scale-info, std
[INFO] [stderr]   memchr v2.4.0: default
[INFO] [stderr]   parity-scale-codec v2.2.0 (as host dependency): bitvec, chain-error, serde, std
[INFO] [stderr]   regex v1.5.4: aho-corasick, default, memchr, perf, perf-cache, perf-dfa, perf-inline, perf-literal, unicode, unicode-age, unicode-bool, unicode-case, unicode-gencat, unicode-perl, unicode-script, unicode-segment
[INFO] [stderr]   regex-syntax v0.6.25: default, unicode, unicode-age, unicode-bool, unicode-case, unicode-gencat, unicode-perl, unicode-script, unicode-segment
[INFO] [stderr]   serde v1.0.127 (as host dependency): derive, serde_derive
[INFO] [stderr] 
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking sp-std v3.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking array-init v2.0.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling ink_prelude v3.0.0-rc4
[INFO] [stderr]     Checking ink_allocator v3.0.0-rc4
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling ink_lang_ir v3.0.0-rc4
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling sp-debug-derive v3.0.0
[INFO] [stderr]    Compiling ink_storage_derive v3.0.0-rc4
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.2.0
[INFO] [stderr]    Compiling scale-info-derive v0.4.0
[INFO] [stderr]     Checking parity-scale-codec v2.2.0
[INFO] [stderr]     Checking scale-info v0.6.0
[INFO] [stderr]     Checking sp-arithmetic v3.0.0
[INFO] [stderr]    Compiling ink_lang_codegen v3.0.0-rc4
[INFO] [stderr]     Checking ink_primitives v3.0.0-rc4
[INFO] [stderr]     Checking ink_metadata v3.0.0-rc4
[INFO] [stderr]     Checking ink_env v3.0.0-rc4
[INFO] [stderr]    Compiling ink_lang_macro v3.0.0-rc4
[INFO] [stderr]     Checking ink_storage v3.0.0-rc4
[INFO] [stderr]     Checking ink_lang v3.0.0-rc4
[INFO] [stderr]     Checking erc20 v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating lib.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.12s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling ink_prelude v3.0.0-rc4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling impl-serde v0.3.1
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.2.0
[INFO] [stderr]    Compiling scale-info-derive v0.4.0
[INFO] [stderr]     Checking parity-scale-codec v2.2.0
[INFO] [stderr]     Checking scale-info v0.6.0
[INFO] [stderr]     Checking sp-arithmetic v3.0.0
[INFO] [stderr]    Compiling ink_primitives v3.0.0-rc4
[INFO] [stderr]    Compiling ink_lang_codegen v3.0.0-rc4
[INFO] [stderr]     Checking ink_metadata v3.0.0-rc4
[INFO] [stderr]     Checking ink_env v3.0.0-rc4
[INFO] [stderr]    Compiling ink_lang_macro v3.0.0-rc4
[INFO] [stderr]     Checking ink_storage v3.0.0-rc4
[INFO] [stderr]     Checking ink_lang v3.0.0-rc4
[INFO] [stderr]     Checking erc20 v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.58s
[INFO] running `Command { std: "docker" "inspect" "22df6829abb1a9dfb8e8f061da4f525594e7313e9b9fe1863e57194874341d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22df6829abb1a9dfb8e8f061da4f525594e7313e9b9fe1863e57194874341d41", kill_on_drop: false }`
[INFO] [stdout] 22df6829abb1a9dfb8e8f061da4f525594e7313e9b9fe1863e57194874341d41