[INFO] cloning repository https://github.com/MichaelMcCulloch/ferromail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MichaelMcCulloch/ferromail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelMcCulloch%2Fferromail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelMcCulloch%2Fferromail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a773d8cde8a2b32717565e969481fb6c76e829f
[INFO] checking MichaelMcCulloch/ferromail against try#7dabc88a3b6768751847baeb49983f31ac5f20e2 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelMcCulloch%2Fferromail" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MichaelMcCulloch/ferromail
[INFO] finished tweaking git repo https://github.com/MichaelMcCulloch/ferromail
[INFO] tweaked toml for git repo https://github.com/MichaelMcCulloch/ferromail written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MichaelMcCulloch/ferromail on toolchain 7dabc88a3b6768751847baeb49983f31ac5f20e2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MichaelMcCulloch/ferromail 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" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 224f9641c6d07286997e262cd4c36e5904d2925ed31f001abc7fd02b52c6cb7f
[INFO] running `Command { std: "docker" "start" "-a" "224f9641c6d07286997e262cd4c36e5904d2925ed31f001abc7fd02b52c6cb7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "224f9641c6d07286997e262cd4c36e5904d2925ed31f001abc7fd02b52c6cb7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224f9641c6d07286997e262cd4c36e5904d2925ed31f001abc7fd02b52c6cb7f", kill_on_drop: false }`
[INFO] [stdout] 224f9641c6d07286997e262cd4c36e5904d2925ed31f001abc7fd02b52c6cb7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bea350e5605521af16ca6195049f8848cf0b7fccc097e591686c646d0be1655
[INFO] running `Command { std: "docker" "start" "-a" "8bea350e5605521af16ca6195049f8848cf0b7fccc097e591686c646d0be1655", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking itoa v1.0.18
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]     Checking hashbrown v0.17.0
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]     Checking litemap v0.8.2
[INFO] [stderr]     Checking writeable v0.6.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.33
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling aws-lc-rs v1.16.3
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling rustls v0.23.38
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking ipnet v2.12.0
[INFO] [stderr]     Checking tinyvec v1.11.0
[INFO] [stderr]    Compiling web_atoms v0.1.3
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling rust-embed-utils v8.11.0
[INFO] [stderr]    Compiling rustc-hash v2.1.2
[INFO] [stderr]    Compiling keccak v0.1.6
[INFO] [stderr]    Compiling term v1.2.1
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling type-map v0.5.1
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling ena v0.14.4
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling self_cell v1.2.2
[INFO] [stderr]     Checking num-conv v0.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]     Checking iana-time-zone v0.1.65
[INFO] [stderr]     Checking time-core v0.1.8
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling self_cell v0.10.3
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.7
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling aws-lc-sys v0.40.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.113
[INFO] [stderr]    Compiling stacker v0.1.23
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling openssl v0.10.77
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking unicode-script v0.5.8
[INFO] [stderr]     Checking openssl-probe v0.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking anstyle-parse v1.0.0
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking uuid v1.23.1
[INFO] [stderr]     Checking unicode-security v0.1.2
[INFO] [stderr]     Checking smol_str v0.3.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[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/7dabc88a3b6768751847baeb49983f31ac5f20e2/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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="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=a6cbe013049716b7 -C extra-filename=-d60246c149cb9b3f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-774d2fb1b129607b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e79a3b083d919da9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-af4dab7b77cddc19.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" "8bea350e5605521af16ca6195049f8848cf0b7fccc097e591686c646d0be1655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bea350e5605521af16ca6195049f8848cf0b7fccc097e591686c646d0be1655", kill_on_drop: false }`
[INFO] [stdout] 8bea350e5605521af16ca6195049f8848cf0b7fccc097e591686c646d0be1655