[INFO] fetching crate ekt 0.1.4...
[INFO] checking ekt-0.1.4 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate ekt 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ekt 0.1.4 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ekt 0.1.4
[INFO] finished tweaking crates.io crate ekt 0.1.4
[INFO] tweaked toml for crates.io crate ekt 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate ekt 0.1.4 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethers v2.0.3
[INFO] [stderr]   Downloaded ethers-addressbook v2.0.3
[INFO] [stderr]   Downloaded ethers-signers v2.0.3
[INFO] [stderr]   Downloaded spki v0.7.1
[INFO] [stderr]   Downloaded num_enum_derive v0.6.0
[INFO] [stderr]   Downloaded ethers-middleware v2.0.3
[INFO] [stderr]   Downloaded enr v0.8.0
[INFO] [stderr]   Downloaded prettyplease v0.2.4
[INFO] [stderr]   Downloaded h2 v0.3.17
[INFO] [stderr]   Downloaded ethers-core v2.0.3
[INFO] [stderr]   Downloaded lalrpop v0.19.9
[INFO] [stderr]   Downloaded openssl v0.10.50
[INFO] [stderr]   Downloaded ethers-solc v2.0.3
[INFO] [stderr]   Downloaded ethers-contract-abigen v2.0.3
[INFO] [stderr]   Downloaded ethers-providers v2.0.3
[INFO] [stderr]   Downloaded ecdsa v0.16.6
[INFO] [stderr]   Downloaded crypto-bigint v0.5.1
[INFO] [stderr]   Downloaded der v0.7.3
[INFO] [stderr]   Downloaded elliptic-curve v0.13.4
[INFO] [stderr]   Downloaded auto_impl v1.0.1
[INFO] [stderr]   Downloaded parity-scale-codec v3.4.0
[INFO] [stderr]   Downloaded zip v0.6.4
[INFO] [stderr]   Downloaded openssl-sys v0.9.85
[INFO] [stderr]   Downloaded reqwest v0.11.16
[INFO] [stderr]   Downloaded svm-rs v0.2.22
[INFO] [stderr]   Downloaded num_enum v0.6.0
[INFO] [stderr]   Downloaded scale-info-derive v2.5.0
[INFO] [stderr]   Downloaded scale-info v2.5.0
[INFO] [stderr]   Downloaded pico-args v0.4.2
[INFO] [stderr]   Downloaded lalrpop-util v0.19.9
[INFO] [stderr]   Downloaded dialoguer v0.8.0
[INFO] [stderr]   Downloaded hyper-rustls v0.23.2
[INFO] [stderr]   Downloaded ethers-contract-derive v2.0.3
[INFO] [stderr]   Downloaded ethers-contract v2.0.3
[INFO] [stderr]   Downloaded ethers-etherscan v2.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b89f1c1adbad04f0b28ace77bb80f23a0b30195f1cb29a505c450cc170563d0
[INFO] running `Command { std: "docker" "start" "-a" "2b89f1c1adbad04f0b28ace77bb80f23a0b30195f1cb29a505c450cc170563d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b89f1c1adbad04f0b28ace77bb80f23a0b30195f1cb29a505c450cc170563d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b89f1c1adbad04f0b28ace77bb80f23a0b30195f1cb29a505c450cc170563d0", kill_on_drop: false }`
[INFO] [stdout] 2b89f1c1adbad04f0b28ace77bb80f23a0b30195f1cb29a505c450cc170563d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17b4e04cd32c8692c8be14c65da1636580d66401f8accc78115f8f791dfdf239
[INFO] running `Command { std: "docker" "start" "-a" "17b4e04cd32c8692c8be14c65da1636580d66401f8accc78115f8f791dfdf239", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking const-oid v0.9.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking cpufeatures v0.2.6
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 num-traits v0.2.15
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking der v0.7.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling memchr v2.5.0
[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" "17b4e04cd32c8692c8be14c65da1636580d66401f8accc78115f8f791dfdf239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b4e04cd32c8692c8be14c65da1636580d66401f8accc78115f8f791dfdf239", kill_on_drop: false }`
[INFO] [stdout] 17b4e04cd32c8692c8be14c65da1636580d66401f8accc78115f8f791dfdf239
