[INFO] cloning repository https://github.com/zouyuxuan/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/zouyuxuan/ink_erc20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzouyuxuan%2Fink_erc20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzouyuxuan%2Fink_erc20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a47c53b29f7cd908fefeff3bfcfea360c0bd0dac
[INFO] testing zouyuxuan/ink_erc20 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzouyuxuan%2Fink_erc20" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zouyuxuan/ink_erc20
[INFO] finished tweaking git repo https://github.com/zouyuxuan/ink_erc20
[INFO] tweaked toml for git repo https://github.com/zouyuxuan/ink_erc20 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zouyuxuan/ink_erc20 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zouyuxuan/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scale-info-derive v2.2.0
[INFO] [stderr]   Downloaded parity-scale-codec v3.2.1
[INFO] [stderr]   Downloaded rlibc v1.0.0
[INFO] [stderr]   Downloaded keccak v0.1.2
[INFO] [stderr]   Downloaded array-init v2.0.1
[INFO] [stderr]   Downloaded ink_macro v4.0.0-alpha.3
[INFO] [stderr]   Downloaded secp256k1 v0.24.0
[INFO] [stderr]   Downloaded ink_env v4.0.0-alpha.3
[INFO] [stderr]   Downloaded syn v1.0.102
[INFO] [stderr]   Downloaded digest v0.10.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.46
[INFO] [stderr]   Downloaded ink_engine v4.0.0-alpha.3
[INFO] [stderr]   Downloaded paste v1.0.9
[INFO] [stderr]   Downloaded ink_primitives v4.0.0-alpha.3
[INFO] [stderr]   Downloaded ink_storage_traits v4.0.0-alpha.3
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.1.3
[INFO] [stderr]   Downloaded xxhash-rust v0.8.6
[INFO] [stderr]   Downloaded ink v4.0.0-alpha.3
[INFO] [stderr]   Downloaded scale-info v2.2.0
[INFO] [stderr]   Downloaded libc v0.2.134
[INFO] [stderr]   Downloaded ink_metadata v4.0.0-alpha.3
[INFO] [stderr]   Downloaded ink_prelude v4.0.0-alpha.3
[INFO] [stderr]   Downloaded byte-slice-cast v1.2.1
[INFO] [stderr]   Downloaded sha3 v0.10.5
[INFO] [stderr]   Downloaded secp256k1-sys v0.6.0
[INFO] [stderr]   Downloaded ink_storage v4.0.0-alpha.3
[INFO] [stderr]   Downloaded ink_ir v4.0.0-alpha.3
[INFO] [stderr]   Downloaded ink_allocator v4.0.0-alpha.3
[INFO] [stderr]   Downloaded ink_codegen v4.0.0-alpha.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c72a8f6a532ddd3344e567226e7f214b7848096fb81992690bf2e91ab91ebc77
[INFO] running `Command { std: "docker" "start" "-a" "c72a8f6a532ddd3344e567226e7f214b7848096fb81992690bf2e91ab91ebc77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c72a8f6a532ddd3344e567226e7f214b7848096fb81992690bf2e91ab91ebc77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72a8f6a532ddd3344e567226e7f214b7848096fb81992690bf2e91ab91ebc77", kill_on_drop: false }`
[INFO] [stdout] c72a8f6a532ddd3344e567226e7f214b7848096fb81992690bf2e91ab91ebc77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2d52b72e5d1570b4e1665cc2287fb59f3eaba0cce3562e34229d2689370c727
[INFO] running `Command { std: "docker" "start" "-a" "a2d52b72e5d1570b4e1665cc2287fb59f3eaba0cce3562e34229d2689370c727", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling byte-slice-cast v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling xxhash-rust v0.8.6
[INFO] [stderr]    Compiling ink_prelude v4.0.0-alpha.3
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling secp256k1-sys v0.6.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling keccak v0.1.2
[INFO] [stderr]    Compiling ink_allocator v4.0.0-alpha.3
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling array-init v2.0.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a2d52b72e5d1570b4e1665cc2287fb59f3eaba0cce3562e34229d2689370c727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d52b72e5d1570b4e1665cc2287fb59f3eaba0cce3562e34229d2689370c727", kill_on_drop: false }`
[INFO] [stdout] a2d52b72e5d1570b4e1665cc2287fb59f3eaba0cce3562e34229d2689370c727