[INFO] fetching crate merkle-tree-db 0.0.1...
[INFO] checking merkle-tree-db-0.0.1 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate merkle-tree-db 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate merkle-tree-db 0.0.1 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 merkle-tree-db 0.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate merkle-tree-db 0.0.1
[INFO] tweaked toml for crates.io crate merkle-tree-db 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate merkle-tree-db 0.0.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hash-db v0.15.2
[INFO] [stderr]   Downloaded hash256-std-hasher v0.15.2
[INFO] [stderr]   Downloaded parity-util-mem-derive v0.1.0
[INFO] [stderr]   Downloaded micromath v2.0.0
[INFO] [stderr]   Downloaded memory-db v0.29.0
[INFO] [stderr]   Downloaded parity-util-mem v0.11.0
[INFO] [stderr]   Downloaded rs_merkle v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9ad32c1e65a8e7525e2854a975bb97ed8ea7e5d1b12c3ff9965dc0c80915e345
[INFO] running `Command { std: "docker" "start" "-a" "9ad32c1e65a8e7525e2854a975bb97ed8ea7e5d1b12c3ff9965dc0c80915e345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ad32c1e65a8e7525e2854a975bb97ed8ea7e5d1b12c3ff9965dc0c80915e345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad32c1e65a8e7525e2854a975bb97ed8ea7e5d1b12c3ff9965dc0c80915e345", kill_on_drop: false }`
[INFO] [stdout] 9ad32c1e65a8e7525e2854a975bb97ed8ea7e5d1b12c3ff9965dc0c80915e345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3ab76e2613a5b31dfa12c94779fef9282b799fd884f4f0aa5ea0dc005de2d1d0
[INFO] running `Command { std: "docker" "start" "-a" "3ab76e2613a5b31dfa12c94779fef9282b799fd884f4f0aa5ea0dc005de2d1d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling parity-util-mem v0.11.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking keccak v0.1.3
[INFO] [stderr]     Checking micromath v2.0.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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] [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" "3ab76e2613a5b31dfa12c94779fef9282b799fd884f4f0aa5ea0dc005de2d1d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab76e2613a5b31dfa12c94779fef9282b799fd884f4f0aa5ea0dc005de2d1d0", kill_on_drop: false }`
[INFO] [stdout] 3ab76e2613a5b31dfa12c94779fef9282b799fd884f4f0aa5ea0dc005de2d1d0
[INFO] checking merkle-tree-db-0.0.1 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate merkle-tree-db 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate merkle-tree-db 0.0.1 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 merkle-tree-db 0.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate merkle-tree-db 0.0.1
[INFO] tweaked toml for crates.io crate merkle-tree-db 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate merkle-tree-db 0.0.1 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5f693b3a12720e78050368fbf83309dff8c54b7654839c8512dc192904736b4f
[INFO] running `Command { std: "docker" "start" "-a" "5f693b3a12720e78050368fbf83309dff8c54b7654839c8512dc192904736b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f693b3a12720e78050368fbf83309dff8c54b7654839c8512dc192904736b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f693b3a12720e78050368fbf83309dff8c54b7654839c8512dc192904736b4f", kill_on_drop: false }`
[INFO] [stdout] 5f693b3a12720e78050368fbf83309dff8c54b7654839c8512dc192904736b4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f734dac38e8c250a7369d058303e9bd0c8705df62d7abad8d1b5a02d26abe803
[INFO] running `Command { std: "docker" "start" "-a" "f734dac38e8c250a7369d058303e9bd0c8705df62d7abad8d1b5a02d26abe803", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling parity-util-mem v0.11.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking keccak v0.1.3
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking micromath v2.0.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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] [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" "f734dac38e8c250a7369d058303e9bd0c8705df62d7abad8d1b5a02d26abe803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f734dac38e8c250a7369d058303e9bd0c8705df62d7abad8d1b5a02d26abe803", kill_on_drop: false }`
[INFO] [stdout] f734dac38e8c250a7369d058303e9bd0c8705df62d7abad8d1b5a02d26abe803
