[INFO] cloning repository https://github.com/MujkicA/msg_proof_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MujkicA/msg_proof_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMujkicA%2Fmsg_proof_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMujkicA%2Fmsg_proof_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e53c19aa19131910addb896227054ee9b5528c4
[INFO] checking MujkicA/msg_proof_test against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMujkicA%2Fmsg_proof_test" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MujkicA/msg_proof_test
[INFO] finished tweaking git repo https://github.com/MujkicA/msg_proof_test
[INFO] tweaked toml for git repo https://github.com/MujkicA/msg_proof_test written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MujkicA/msg_proof_test on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MujkicA/msg_proof_test 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" "+95813608313bff49cfc1afc393a946a3c085b772" "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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58f5d64c6c9d2b40ab7fe616a68f0d94390278f2cbed42f2e655bddb20a6a98f
[INFO] running `Command { std: "docker" "start" "-a" "58f5d64c6c9d2b40ab7fe616a68f0d94390278f2cbed42f2e655bddb20a6a98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58f5d64c6c9d2b40ab7fe616a68f0d94390278f2cbed42f2e655bddb20a6a98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f5d64c6c9d2b40ab7fe616a68f0d94390278f2cbed42f2e655bddb20a6a98f", kill_on_drop: false }`
[INFO] [stdout] 58f5d64c6c9d2b40ab7fe616a68f0d94390278f2cbed42f2e655bddb20a6a98f
[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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f731e98b3a308524ef6944a0ae3e223b545cbd8c83e3921e79399849eaaaf662
[INFO] running `Command { std: "docker" "start" "-a" "f731e98b3a308524ef6944a0ae3e223b545cbd8c83e3921e79399849eaaaf662", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling serde v1.0.199
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling cc v1.0.96
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling platforms v3.4.0
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking fuel-storage v0.48.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]     Checking ethnum v1.5.0
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling impl-tools v0.10.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking embedded-io v0.4.0
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking cobs v0.2.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling cookie v0.17.0
[INFO] [stderr]     Checking http-range-header v0.3.1
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling prometheus-client v0.22.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking dtoa v1.0.9
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]     Checking psl-types v2.0.11
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking publicsuffix v2.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling impl-tools-lib v0.10.0
[INFO] [stderr]    Compiling counter v0.5.7
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[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/95813608313bff49cfc1afc393a946a3c085b772/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.60/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,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=ab0a6975b7d7ea9a -C extra-filename=-32ac774120dbce80 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-46262d18d648d5c6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-da1f03f6ed88e2c9.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] running `Command { std: "docker" "inspect" "f731e98b3a308524ef6944a0ae3e223b545cbd8c83e3921e79399849eaaaf662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f731e98b3a308524ef6944a0ae3e223b545cbd8c83e3921e79399849eaaaf662", kill_on_drop: false }`
[INFO] [stdout] f731e98b3a308524ef6944a0ae3e223b545cbd8c83e3921e79399849eaaaf662