[INFO] cloning repository https://github.com/JeanVydes/erc20token-substrate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JeanVydes/erc20token-substrate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeanVydes%2Ferc20token-substrate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeanVydes%2Ferc20token-substrate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a5d8ab7789a15bf0311e8d3c7bf92a3bb3957df
[INFO] checking JeanVydes/erc20token-substrate against try#0fe3684930279e4d3be3aca66b30f82946ce9ac2 for pr-138340
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeanVydes%2Ferc20token-substrate" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JeanVydes/erc20token-substrate on toolchain 0fe3684930279e4d3be3aca66b30f82946ce9ac2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JeanVydes/erc20token-substrate
[INFO] finished tweaking git repo https://github.com/JeanVydes/erc20token-substrate
[INFO] tweaked toml for git repo https://github.com/JeanVydes/erc20token-substrate written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JeanVydes/erc20token-substrate 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" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "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 ink_prelude v3.4.0
[INFO] [stderr]   Downloaded ink_storage v3.4.0
[INFO] [stderr]   Downloaded ink_storage_derive v3.4.0
[INFO] [stderr]   Downloaded ink_primitives v3.4.0
[INFO] [stderr]   Downloaded ink_engine v3.4.0
[INFO] [stderr]   Downloaded rlibc v1.0.0
[INFO] [stderr]   Downloaded ink_metadata v3.4.0
[INFO] [stderr]   Downloaded ink_env v3.4.0
[INFO] [stderr]   Downloaded ink_lang_ir v3.4.0
[INFO] [stderr]   Downloaded ink_lang_codegen v3.4.0
[INFO] [stderr]   Downloaded secp256k1 v0.24.2
[INFO] [stderr]   Downloaded ink_lang_macro v3.4.0
[INFO] [stderr]   Downloaded ink_lang v3.4.0
[INFO] [stderr]   Downloaded ink_allocator v3.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6497c5d9aadcc9b03f125e78ac1abcfa416ae12081a08a73e7da0360387caa0
[INFO] running `Command { std: "docker" "start" "-a" "c6497c5d9aadcc9b03f125e78ac1abcfa416ae12081a08a73e7da0360387caa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6497c5d9aadcc9b03f125e78ac1abcfa416ae12081a08a73e7da0360387caa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6497c5d9aadcc9b03f125e78ac1abcfa416ae12081a08a73e7da0360387caa0", kill_on_drop: false }`
[INFO] [stdout] c6497c5d9aadcc9b03f125e78ac1abcfa416ae12081a08a73e7da0360387caa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 253b09ccd6c045bec83edae6c2f4281ba4fdcb50fbbe51f0c02e34921c4d8cb3
[INFO] running `Command { std: "docker" "start" "-a" "253b09ccd6c045bec83edae6c2f4281ba4fdcb50fbbe51f0c02e34921c4d8cb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking ink_prelude v3.4.0
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking keccak v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking ink_allocator v3.4.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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] running `Command { std: "docker" "inspect" "253b09ccd6c045bec83edae6c2f4281ba4fdcb50fbbe51f0c02e34921c4d8cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "253b09ccd6c045bec83edae6c2f4281ba4fdcb50fbbe51f0c02e34921c4d8cb3", kill_on_drop: false }`
[INFO] [stdout] 253b09ccd6c045bec83edae6c2f4281ba4fdcb50fbbe51f0c02e34921c4d8cb3