[INFO] fetching crate fuel-etk-4byte 0.3.1-dev...
[INFO] checking fuel-etk-4byte-0.3.1-dev against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate fuel-etk-4byte 0.3.1-dev into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate fuel-etk-4byte 0.3.1-dev on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fuel-etk-4byte 0.3.1-dev
[INFO] finished tweaking crates.io crate fuel-etk-4byte 0.3.1-dev
[INFO] tweaked toml for crates.io crate fuel-etk-4byte 0.3.1-dev written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate fuel-etk-4byte 0.3.1-dev 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.50
[INFO] [stderr]   Downloaded try-lock v0.2.4
[INFO] [stderr]   Downloaded openssl-macros v0.1.0
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded httpdate v1.0.2
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded native-tls v0.2.11
[INFO] [stderr]   Downloaded http-body v0.4.5
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded futures-sink v0.3.26
[INFO] [stderr]   Downloaded tracing-core v0.1.30
[INFO] [stderr]   Downloaded base64 v0.21.0
[INFO] [stderr]   Downloaded http v0.2.8
[INFO] [stderr]   Downloaded security-framework v2.8.2
[INFO] [stderr]   Downloaded url v2.3.1
[INFO] [stderr]   Downloaded futures-util v0.3.26
[INFO] [stderr]   Downloaded h2 v0.3.15
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.4
[INFO] [stderr]   Downloaded hyper v0.14.23
[INFO] [stderr]   Downloaded serde_json v1.0.91
[INFO] [stderr]   Downloaded unicode-normalization v0.1.22
[INFO] [stderr]   Downloaded mio v0.8.5
[INFO] [stderr]   Downloaded openssl v0.10.45
[INFO] [stderr]   Downloaded tracing v0.1.37
[INFO] [stderr]   Downloaded openssl-sys v0.9.80
[INFO] [stderr]   Downloaded schannel v0.1.21
[INFO] [stderr]   Downloaded unicode-bidi v0.3.10
[INFO] [stderr]   Downloaded bytes v1.4.0
[INFO] [stderr]   Downloaded winreg v0.10.1
[INFO] [stderr]   Downloaded reqwest v0.11.14
[INFO] [stderr]   Downloaded socket2 v0.4.7
[INFO] [stderr]   Downloaded ipnet v2.7.1
[INFO] [stderr]   Downloaded security-framework-sys v2.8.0
[INFO] [stderr]   Downloaded tempfile v3.3.0
[INFO] [stderr]   Downloaded form_urlencoded v1.1.0
[INFO] [stderr]   Downloaded itoa v1.0.5
[INFO] [stderr]   Downloaded fastrand v1.8.0
[INFO] [stderr]   Downloaded tokio v1.25.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.33
[INFO] [stderr]   Downloaded percent-encoding v2.2.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.31
[INFO] [stderr]   Downloaded brotli v3.3.4
[INFO] [stderr]   Downloaded windows-sys v0.42.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a44cbbbce73a61a39d9805b078e9ae23952e70932315168200d21d3f20bb81f4
[INFO] running `Command { std: "docker" "start" "-a" "a44cbbbce73a61a39d9805b078e9ae23952e70932315168200d21d3f20bb81f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a44cbbbce73a61a39d9805b078e9ae23952e70932315168200d21d3f20bb81f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44cbbbce73a61a39d9805b078e9ae23952e70932315168200d21d3f20bb81f4", kill_on_drop: false }`
[INFO] [stdout] a44cbbbce73a61a39d9805b078e9ae23952e70932315168200d21d3f20bb81f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba2bb2b63187e334829aa97bb9cba13559055c7c76cce2d95d9fec9da1d079ff
[INFO] running `Command { std: "docker" "start" "-a" "ba2bb2b63187e334829aa97bb9cba13559055c7c76cce2d95d9fec9da1d079ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[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 serde_derive v1.0.152
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking brotli-decompressor v2.3.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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] error: aborting due to 1 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" "ba2bb2b63187e334829aa97bb9cba13559055c7c76cce2d95d9fec9da1d079ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2bb2b63187e334829aa97bb9cba13559055c7c76cce2d95d9fec9da1d079ff", kill_on_drop: false }`
[INFO] [stdout] ba2bb2b63187e334829aa97bb9cba13559055c7c76cce2d95d9fec9da1d079ff