[INFO] fetching crate droplinked-contract 0.1.0...
[INFO] checking droplinked-contract-0.1.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate droplinked-contract 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate droplinked-contract 0.1.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate droplinked-contract 0.1.0
[INFO] finished tweaking crates.io crate droplinked-contract 0.1.0
[INFO] tweaked toml for crates.io crate droplinked-contract 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate droplinked-contract 0.1.0 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_bytes v0.11.7
[INFO] [stderr]   Downloaded signature v2.0.0
[INFO] [stderr]   Downloaded uint v0.9.4
[INFO] [stderr]   Downloaded casper-types v2.0.0
[INFO] [stderr]   Downloaded serde v1.0.148
[INFO] [stderr]   Downloaded serde_derive v1.0.148
[INFO] [stderr]   Downloaded ed25519 v2.0.1
[INFO] [stderr]   Downloaded casper-contract v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6507f35d5717b08e3bee405042d24a7706123eab9c9dd06c8ae6465b0b43b668
[INFO] running `Command { std: "docker" "start" "-a" "6507f35d5717b08e3bee405042d24a7706123eab9c9dd06c8ae6465b0b43b668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6507f35d5717b08e3bee405042d24a7706123eab9c9dd06c8ae6465b0b43b668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6507f35d5717b08e3bee405042d24a7706123eab9c9dd06c8ae6465b0b43b668", kill_on_drop: false }`
[INFO] [stdout] 6507f35d5717b08e3bee405042d24a7706123eab9c9dd06c8ae6465b0b43b668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3bf3f1ac8b3e5f5ce3bd164f171e80317c7b9ea999b44717e8c1438e463b9d2
[INFO] running `Command { std: "docker" "start" "-a" "c3bf3f1ac8b3e5f5ce3bd164f171e80317c7b9ea999b44717e8c1438e463b9d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[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" "c3bf3f1ac8b3e5f5ce3bd164f171e80317c7b9ea999b44717e8c1438e463b9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3bf3f1ac8b3e5f5ce3bd164f171e80317c7b9ea999b44717e8c1438e463b9d2", kill_on_drop: false }`
[INFO] [stdout] c3bf3f1ac8b3e5f5ce3bd164f171e80317c7b9ea999b44717e8c1438e463b9d2
[INFO] checking droplinked-contract-0.1.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate droplinked-contract 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate droplinked-contract 0.1.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate droplinked-contract 0.1.0
[INFO] finished tweaking crates.io crate droplinked-contract 0.1.0
[INFO] tweaked toml for crates.io crate droplinked-contract 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate droplinked-contract 0.1.0 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 334be2056c55d3296c1fd263f4ecc2b9a8baddec6f1d0b178350d1f65af39afd
[INFO] running `Command { std: "docker" "start" "-a" "334be2056c55d3296c1fd263f4ecc2b9a8baddec6f1d0b178350d1f65af39afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "334be2056c55d3296c1fd263f4ecc2b9a8baddec6f1d0b178350d1f65af39afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "334be2056c55d3296c1fd263f4ecc2b9a8baddec6f1d0b178350d1f65af39afd", kill_on_drop: false }`
[INFO] [stdout] 334be2056c55d3296c1fd263f4ecc2b9a8baddec6f1d0b178350d1f65af39afd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 7baf755e4888868888b83f382180c59acad810fe3f19ae4610f69351b0f77d02
[INFO] running `Command { std: "docker" "start" "-a" "7baf755e4888868888b83f382180c59acad810fe3f19ae4610f69351b0f77d02", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 serde_json v1.0.89
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[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" "7baf755e4888868888b83f382180c59acad810fe3f19ae4610f69351b0f77d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7baf755e4888868888b83f382180c59acad810fe3f19ae4610f69351b0f77d02", kill_on_drop: false }`
[INFO] [stdout] 7baf755e4888868888b83f382180c59acad810fe3f19ae4610f69351b0f77d02
