[INFO] fetching crate mostro 0.12.4...
[INFO] checking mostro-0.12.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate mostro 0.12.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate mostro 0.12.4 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 mostro 0.12.4
[INFO] finished tweaking crates.io crate mostro 0.12.4
[INFO] tweaked toml for crates.io crate mostro 0.12.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate mostro 0.12.4 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" "+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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 38bc6f85b6750b62a16533455d8d22e65503c40ddf54379dd39c3624f52a58e1
[INFO] running `Command { std: "docker" "start" "-a" "38bc6f85b6750b62a16533455d8d22e65503c40ddf54379dd39c3624f52a58e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38bc6f85b6750b62a16533455d8d22e65503c40ddf54379dd39c3624f52a58e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38bc6f85b6750b62a16533455d8d22e65503c40ddf54379dd39c3624f52a58e1", kill_on_drop: false }`
[INFO] [stdout] 38bc6f85b6750b62a16533455d8d22e65503c40ddf54379dd39c3624f52a58e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 19fa21ecbba58ecd1635259c8add02b5efd7f33745ca8facaa014a0ead32f2df
[INFO] running `Command { std: "docker" "start" "-a" "19fa21ecbba58ecd1635259c8add02b5efd7f33745ca8facaa014a0ead32f2df", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling rustls v0.22.3
[INFO] [stderr]    Compiling openssl-src v300.3.1+3.3.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking webpki-roots v0.26.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking hex-conservative v0.1.1
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking http-body-util v0.1.1
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling rustls v0.23.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]     Checking bech32 v0.10.0-beta
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling bitcoin v0.31.2
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking salsa20 v0.10.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.24.2
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[INFO] [stderr]     Checking scrypt v0.11.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]     Checking negentropy v0.3.1
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]    Compiling bitcoin-private v0.1.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling regex v1.10.4
[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=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.57/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=a6b8e042d6d5e125 -C extra-filename=-a6b8e042d6d5e125 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-66a6abb271692500.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b72503db8d07cdcf.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] [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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --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=4753bbb6b542274d -C extra-filename=-4753bbb6b542274d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-66a6abb271692500.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b72503db8d07cdcf.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] running `Command { std: "docker" "inspect" "19fa21ecbba58ecd1635259c8add02b5efd7f33745ca8facaa014a0ead32f2df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19fa21ecbba58ecd1635259c8add02b5efd7f33745ca8facaa014a0ead32f2df", kill_on_drop: false }`
[INFO] [stdout] 19fa21ecbba58ecd1635259c8add02b5efd7f33745ca8facaa014a0ead32f2df