[INFO] fetching crate fedimint-mint-client 0.4.2-rc.3...
[INFO] checking fedimint-mint-client-0.4.2-rc.3 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate fedimint-mint-client 0.4.2-rc.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate fedimint-mint-client 0.4.2-rc.3 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fedimint-mint-client 0.4.2-rc.3
[INFO] finished tweaking crates.io crate fedimint-mint-client 0.4.2-rc.3
[INFO] tweaked toml for crates.io crate fedimint-mint-client 0.4.2-rc.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 311 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding backon v0.4.4 (latest: v1.1.0)
[INFO] [stderr]       Adding bech32 v0.9.1 (latest: v0.11.0)
[INFO] [stderr]       Adding bitcoin v0.29.2 (latest: v0.32.2)
[INFO] [stderr]       Adding bitcoin v0.30.2 (latest: v0.32.2)
[INFO] [stderr]       Adding bitcoin_hashes v0.11.0 (latest: v0.14.0)
[INFO] [stderr]       Adding bitcoin_hashes v0.12.0 (latest: v0.14.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.1.0)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding gloo-timers v0.2.6 (latest: v0.3.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding hex-conservative v0.1.2 (latest: v0.2.1)
[INFO] [stderr]       Adding idna v0.5.0 (latest: v1.0.2)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[INFO] [stderr]       Adding itertools v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding matchers v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding miniscript v10.2.0 (latest: v12.2.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.1)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding regex-automata v0.1.10 (latest: v0.4.7)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.4)
[INFO] [stderr]       Adding rustls v0.21.12 (latest: v0.23.12)
[INFO] [stderr]       Adding rustls-webpki v0.101.7 (latest: v0.102.7)
[INFO] [stderr]       Adding secp256k1 v0.24.3 (latest: v0.29.0)
[INFO] [stderr]       Adding secp256k1 v0.27.0 (latest: v0.29.0)
[INFO] [stderr]       Adding secp256k1-sys v0.6.1 (latest: v0.10.0)
[INFO] [stderr]       Adding secp256k1-sys v0.8.1 (latest: v0.10.0)
[INFO] [stderr]       Adding secp256k1-zkp v0.9.2 (latest: v0.11.0)
[INFO] [stderr]       Adding secp256k1-zkp-sys v0.8.1 (latest: v0.10.0)
[INFO] [stderr]       Adding send_wrapper v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding tokio-rustls v0.24.1 (latest: v0.26.0)
[INFO] [stderr]       Adding tower v0.4.13 (latest: v0.5.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb6ee1b24662e79d367fd959c98c17a31f1a58f440107b8a411ac15d003a5efe
[INFO] running `Command { std: "docker" "start" "-a" "bb6ee1b24662e79d367fd959c98c17a31f1a58f440107b8a411ac15d003a5efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb6ee1b24662e79d367fd959c98c17a31f1a58f440107b8a411ac15d003a5efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6ee1b24662e79d367fd959c98c17a31f1a58f440107b8a411ac15d003a5efe", kill_on_drop: false }`
[INFO] [stdout] bb6ee1b24662e79d367fd959c98c17a31f1a58f440107b8a411ac15d003a5efe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d85d9350365a0aa533b21b5cd340947c5146aa9e824275174b5b35bdc27088b
[INFO] running `Command { std: "docker" "start" "-a" "9d85d9350365a0aa533b21b5cd340947c5146aa9e824275174b5b35bdc27088b", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling bitcoin-private v0.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitcoin v0.30.2
[INFO] [stderr]     Checking rustls-pki-types v1.8.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]    Compiling rustls v0.23.12
[INFO] [stderr]     Checking rustc-hash v2.0.0
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking hex-conservative v0.1.2
[INFO] [stderr]     Checking bitmaps v3.2.1
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]    Compiling secp256k1-zkp-sys v0.8.1
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]     Checking imbl-sized-chunks v0.1.2
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.2.0
[INFO] [stderr]     Checking imbl v3.0.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking macro_rules_attribute v0.2.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4d98531622e1718ae0bc3c7a1ab9cd8938428452/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=842f9f7a631460b4 -C extra-filename=-842f9f7a631460b4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-999306cb2722a44d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ae5f1bdbeeae8687.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.rmeta --cap-lints allow --cap-lints=forbid -Dtail_expr_drop_order` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9d85d9350365a0aa533b21b5cd340947c5146aa9e824275174b5b35bdc27088b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d85d9350365a0aa533b21b5cd340947c5146aa9e824275174b5b35bdc27088b", kill_on_drop: false }`
[INFO] [stdout] 9d85d9350365a0aa533b21b5cd340947c5146aa9e824275174b5b35bdc27088b