[INFO] fetching crate bitcoincore-rpc 0.18.0...
[INFO] checking bitcoincore-rpc-0.18.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bitcoincore-rpc 0.18.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bitcoincore-rpc 0.18.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoincore-rpc 0.18.0
[INFO] finished tweaking crates.io crate bitcoincore-rpc 0.18.0
[INFO] tweaked toml for crates.io crate bitcoincore-rpc 0.18.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate bitcoincore-rpc 0.18.0 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitcoincore-rpc-json v0.18.0
[INFO] [stderr]   Downloaded errno v0.3.6
[INFO] [stderr]   Downloaded tempfile v3.8.1
[INFO] [stderr]   Downloaded bitcoin-internals v0.2.0
[INFO] [stderr]   Downloaded hex-conservative v0.1.1
[INFO] [stderr]   Downloaded bech32 v0.10.0-beta
[INFO] [stderr]   Downloaded bitcoin_hashes v0.13.0
[INFO] [stderr]   Downloaded secp256k1 v0.28.0
[INFO] [stderr]   Downloaded serde_json v1.0.95
[INFO] [stderr]   Downloaded rustix v0.38.24
[INFO] [stderr]   Downloaded bitcoin v0.31.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.11
[INFO] [stderr]   Downloaded secp256k1-sys v0.9.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de372c4ded7f37fae6711e3ef2df22287434c6d8fe56eeefa9744ad0086e4120
[INFO] running `Command { std: "docker" "start" "-a" "de372c4ded7f37fae6711e3ef2df22287434c6d8fe56eeefa9744ad0086e4120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de372c4ded7f37fae6711e3ef2df22287434c6d8fe56eeefa9744ad0086e4120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de372c4ded7f37fae6711e3ef2df22287434c6d8fe56eeefa9744ad0086e4120", kill_on_drop: false }`
[INFO] [stdout] de372c4ded7f37fae6711e3ef2df22287434c6d8fe56eeefa9744ad0086e4120
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acc0fdceb2d50995828cbad1ef92ad0d4c8d00ef53cf63fd67e6503da94abda9
[INFO] running `Command { std: "docker" "start" "-a" "acc0fdceb2d50995828cbad1ef92ad0d4c8d00ef53cf63fd67e6503da94abda9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]     Checking hex-conservative v0.1.1
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]    Compiling bitcoin v0.31.0
[INFO] [stderr]    Compiling rustix v0.38.24
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bech32 v0.10.0-beta
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[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] [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" "acc0fdceb2d50995828cbad1ef92ad0d4c8d00ef53cf63fd67e6503da94abda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc0fdceb2d50995828cbad1ef92ad0d4c8d00ef53cf63fd67e6503da94abda9", kill_on_drop: false }`
[INFO] [stdout] acc0fdceb2d50995828cbad1ef92ad0d4c8d00ef53cf63fd67e6503da94abda9
[INFO] checking bitcoincore-rpc-0.18.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate bitcoincore-rpc 0.18.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate bitcoincore-rpc 0.18.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoincore-rpc 0.18.0
[INFO] finished tweaking crates.io crate bitcoincore-rpc 0.18.0
[INFO] tweaked toml for crates.io crate bitcoincore-rpc 0.18.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate bitcoincore-rpc 0.18.0 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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66a0edcc3924b5a531e52cb041a1e62942a58021e34762305530cf81cb747386
[INFO] running `Command { std: "docker" "start" "-a" "66a0edcc3924b5a531e52cb041a1e62942a58021e34762305530cf81cb747386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66a0edcc3924b5a531e52cb041a1e62942a58021e34762305530cf81cb747386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a0edcc3924b5a531e52cb041a1e62942a58021e34762305530cf81cb747386", kill_on_drop: false }`
[INFO] [stdout] 66a0edcc3924b5a531e52cb041a1e62942a58021e34762305530cf81cb747386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39b222591aeaf6ad50cca47af304574f62a0226c76b29a4962291ebe20822533
[INFO] running `Command { std: "docker" "start" "-a" "39b222591aeaf6ad50cca47af304574f62a0226c76b29a4962291ebe20822533", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]     Checking hex-conservative v0.1.1
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]    Compiling bitcoin v0.31.0
[INFO] [stderr]     Checking bech32 v0.10.0-beta
[INFO] [stderr]    Compiling rustix v0.38.24
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[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] [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" "39b222591aeaf6ad50cca47af304574f62a0226c76b29a4962291ebe20822533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b222591aeaf6ad50cca47af304574f62a0226c76b29a4962291ebe20822533", kill_on_drop: false }`
[INFO] [stdout] 39b222591aeaf6ad50cca47af304574f62a0226c76b29a4962291ebe20822533
