[INFO] fetching crate melprot 0.13.10...
[INFO] checking melprot-0.13.10 against master#ddaf12390d3ffb7d5ba74491a48f3cd528e5d777 for pr-146504
[INFO] extracting crate melprot 0.13.10 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate melprot 0.13.10
[INFO] finished tweaking crates.io crate melprot 0.13.10
[INFO] tweaked toml for crates.io crate melprot 0.13.10 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate melprot 0.13.10 on toolchain ddaf12390d3ffb7d5ba74491a48f3cd528e5d777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddaf12390d3ffb7d5ba74491a48f3cd528e5d777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate melprot 0.13.10 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" "+ddaf12390d3ffb7d5ba74491a48f3cd528e5d777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdcode v0.1.14
[INFO] [stderr]   Downloaded tmelcrypt v0.2.7
[INFO] [stderr]   Downloaded base32 v0.4.0
[INFO] [stderr]   Downloaded serde-big-array v0.3.3
[INFO] [stderr]   Downloaded ed25519-consensus v1.2.1
[INFO] [stderr]   Downloaded constant_time_eq v0.3.0
[INFO] [stderr]   Downloaded cc v1.0.104
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.7
[INFO] [stderr]   Downloaded quanta v0.11.1
[INFO] [stderr]   Downloaded reusable-box-future v0.2.0
[INFO] [stderr]   Downloaded melbootstrap v0.8.5
[INFO] [stderr]   Downloaded structmeta-derive v0.1.6
[INFO] [stderr]   Downloaded uuid v1.9.1
[INFO] [stderr]   Downloaded async-io v2.3.3
[INFO] [stderr]   Downloaded parse-display-derive v0.5.5
[INFO] [stderr]   Downloaded hyper v1.0.0-rc.2
[INFO] [stderr]   Downloaded bitvec v0.20.4
[INFO] [stderr]   Downloaded syn v2.0.68
[INFO] [stderr]   Downloaded mini-moka v0.10.3
[INFO] [stderr]   Downloaded polling v3.7.2
[INFO] [stderr]   Downloaded blake3 v1.5.1
[INFO] [stderr]   Downloaded proc-macro-error v0.4.12
[INFO] [stderr]   Downloaded moka v0.9.9
[INFO] [stderr]   Downloaded async-socks5 v0.6.0
[INFO] [stderr]   Downloaded replace_with v0.1.7
[INFO] [stderr]   Downloaded piper v0.2.3
[INFO] [stderr]   Downloaded smolscale v0.3.54
[INFO] [stderr]   Downloaded melnet2 v0.3.3
[INFO] [stderr]   Downloaded structmeta v0.1.6
[INFO] [stderr]   Downloaded parse-display v0.5.5
[INFO] [stderr]   Downloaded melstructs v0.3.3
[INFO] [stderr]   Downloaded http-body-util v0.1.0-rc.2
[INFO] [stderr]   Downloaded nanorpc-derive v0.1.5
[INFO] [stderr]   Downloaded funty v1.1.0
[INFO] [stderr]   Downloaded wyz v0.2.0
[INFO] [stderr]   Downloaded genawaiter v0.99.1
[INFO] [stderr]   Downloaded novasmt v0.2.20
[INFO] [stderr]   Downloaded cache-padded v1.3.0
[INFO] [stderr]   Downloaded st3 v0.4.1
[INFO] [stderr]   Downloaded tabwriter v1.4.0
[INFO] [stderr]   Downloaded smol-timeout v0.6.0
[INFO] [stderr]   Downloaded http-body v1.0.0-rc.2
[INFO] [stderr]   Downloaded nanorpc v0.1.12
[INFO] [stderr]   Downloaded nanorpc-http v0.1.5
[INFO] [stderr]   Downloaded radium v0.6.2
[INFO] [stderr]   Downloaded genawaiter-macro v0.99.1
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.12
[INFO] [stderr]   Downloaded genawaiter-proc-macro v0.99.1
[INFO] [stderr]   Downloaded async-signal v0.2.8
[INFO] [stderr]   Downloaded syn-mid v0.5.4
[INFO] [stderr]   Downloaded honggfuzz v0.5.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddaf12390d3ffb7d5ba74491a48f3cd528e5d777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d37f95fccce17f16978ba09ee065bc97af05a11118a671c229ad5c84b9566e1
[INFO] running `Command { std: "docker" "start" "-a" "2d37f95fccce17f16978ba09ee065bc97af05a11118a671c229ad5c84b9566e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d37f95fccce17f16978ba09ee065bc97af05a11118a671c229ad5c84b9566e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d37f95fccce17f16978ba09ee065bc97af05a11118a671c229ad5c84b9566e1", kill_on_drop: false }`
[INFO] [stdout] 2d37f95fccce17f16978ba09ee065bc97af05a11118a671c229ad5c84b9566e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddaf12390d3ffb7d5ba74491a48f3cd528e5d777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e879a99dca416c5c2abfcf7d0f8a8cea2e1ac47c261628f67f7341563bb327d
[INFO] running `Command { std: "docker" "start" "-a" "3e879a99dca416c5c2abfcf7d0f8a8cea2e1ac47c261628f67f7341563bb327d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]    Compiling cc v1.0.104
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking piper v0.2.3
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]     Checking subtle-ng v2.5.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking rustix v0.37.27
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking async-executor v1.12.0
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking curve25519-dalek-ng v4.1.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking async-net v1.8.0
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking object v0.36.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling moka v0.9.9
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking triomphe v0.1.13
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking tabwriter v1.4.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking futures-intrusive v0.4.2
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling syn-mid v0.5.4
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]    Compiling regex v1.10.5
[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/ddaf12390d3ffb7d5ba74491a48f3cd528e5d777/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=cba75fe261646e57 -C extra-filename=-b03d1464341c4ded --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-90f4d189e3c1781a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ea54d792119c380c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.rmeta --cap-lints allow --cap-lints=forbid` (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/ddaf12390d3ffb7d5ba74491a48f3cd528e5d777/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.68/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-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=8191be0a47c3ca39 -C extra-filename=-efb514be57751591 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-90f4d189e3c1781a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ea54d792119c380c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3e879a99dca416c5c2abfcf7d0f8a8cea2e1ac47c261628f67f7341563bb327d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e879a99dca416c5c2abfcf7d0f8a8cea2e1ac47c261628f67f7341563bb327d", kill_on_drop: false }`
[INFO] [stdout] 3e879a99dca416c5c2abfcf7d0f8a8cea2e1ac47c261628f67f7341563bb327d