[INFO] cloning repository https://github.com/SygilGroup/safe-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SygilGroup/safe-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSygilGroup%2Fsafe-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSygilGroup%2Fsafe-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36b6d3b054a6a327b251f39294dfa01b24127a1a
[INFO] checking SygilGroup/safe-rs/36b6d3b054a6a327b251f39294dfa01b24127a1a against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSygilGroup%2Fsafe-rs" "/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/SygilGroup/safe-rs on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SygilGroup/safe-rs
[INFO] finished tweaking git repo https://github.com/SygilGroup/safe-rs
[INFO] tweaked toml for git repo https://github.com/SygilGroup/safe-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SygilGroup/safe-rs 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethers-addressbook v1.0.2
[INFO] [stderr]   Downloaded ethers-contract-derive v1.0.2
[INFO] [stderr]   Downloaded ethers-signers v1.0.2
[INFO] [stderr]   Downloaded ethers-middleware v1.0.2
[INFO] [stderr]   Downloaded ethers-contract-abigen v1.0.2
[INFO] [stderr]   Downloaded ethers v1.0.2
[INFO] [stderr]   Downloaded ethers-providers v1.0.2
[INFO] [stderr]   Downloaded ethers-contract v1.0.2
[INFO] [stderr]   Downloaded ethers-etherscan v1.0.2
[INFO] [stderr]   Downloaded ethers-core v1.0.2
[INFO] [stderr]   Downloaded camino v1.1.3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33a5b3c3686aca90b42da101ef2b8a1434d0a5bc375036d039ed2c86a50405c1
[INFO] running `Command { std: "docker" "start" "-a" "33a5b3c3686aca90b42da101ef2b8a1434d0a5bc375036d039ed2c86a50405c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33a5b3c3686aca90b42da101ef2b8a1434d0a5bc375036d039ed2c86a50405c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a5b3c3686aca90b42da101ef2b8a1434d0a5bc375036d039ed2c86a50405c1", kill_on_drop: false }`
[INFO] [stdout] 33a5b3c3686aca90b42da101ef2b8a1434d0a5bc375036d039ed2c86a50405c1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bf6a75a488b3624408ae8d84573c3fdff5e3458fbc483e105e8d9df583ce355
[INFO] running `Command { std: "docker" "start" "-a" "7bf6a75a488b3624408ae8d84573c3fdff5e3458fbc483e105e8d9df583ce355", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling syn v1.0.108
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling toml_datetime v0.5.1
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling nom8 v0.2.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking base64ct v1.5.3
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking const-oid v0.9.1
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling camino v1.1.3
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 tokio v1.25.0
[INFO] [stderr]     Checking keccak v0.1.3
[INFO] [stdout] error: aborting due to previous error
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7bf6a75a488b3624408ae8d84573c3fdff5e3458fbc483e105e8d9df583ce355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf6a75a488b3624408ae8d84573c3fdff5e3458fbc483e105e8d9df583ce355", kill_on_drop: false }`
[INFO] [stdout] 7bf6a75a488b3624408ae8d84573c3fdff5e3458fbc483e105e8d9df583ce355