[INFO] fetching crate memflow-ffi 0.2.0...
[INFO] testing memflow-ffi-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] extracting crate memflow-ffi 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate memflow-ffi 0.2.0
[INFO] finished tweaking crates.io crate memflow-ffi 0.2.0
[INFO] tweaked toml for crates.io crate memflow-ffi 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate memflow-ffi 0.2.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 159 packages to latest compatible versions
[INFO] [stderr]       Adding abi_stable v0.10.3 (available: v0.10.5)
[INFO] [stderr]       Adding pelite v0.9.0 (available: v0.9.2)
[INFO] [stderr]       Adding toml v0.8.2 (available: v0.8.23)
[INFO] [stderr]       Adding toml_datetime v0.6.3 (available: v0.6.11)
[INFO] [stderr]       Adding toml_edit v0.20.2 (available: v0.20.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 296012b6cbd7eecdf00929811eba59fb13267dea65baed5926536d6d702e7f06
[INFO] running `Command { std: "docker" "start" "-a" "296012b6cbd7eecdf00929811eba59fb13267dea65baed5926536d6d702e7f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "296012b6cbd7eecdf00929811eba59fb13267dea65baed5926536d6d702e7f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "296012b6cbd7eecdf00929811eba59fb13267dea65baed5926536d6d702e7f06", kill_on_drop: false }`
[INFO] [stdout] 296012b6cbd7eecdf00929811eba59fb13267dea65baed5926536d6d702e7f06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c314830eae7b622f5dc26f42b8c1844e9aedc0df17aa8f4d5bd9f5cb51703d0
[INFO] running `Command { std: "docker" "start" "-a" "7c314830eae7b622f5dc26f42b8c1844e9aedc0df17aa8f4d5bd9f5cb51703d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling core_extensions_proc_macros v1.5.4
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling tstr_proc_macros v0.2.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling cglue v0.2.14
[INFO] [stderr]    Compiling scroll_derive v0.12.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling generational-arena v0.2.9
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling pelite-macros v0.1.1
[INFO] [stderr]    Compiling dataview v0.1.2
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling tarc v0.1.6
[INFO] [stderr]    Compiling x86_64 v0.14.13
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling coarsetime v0.1.36
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling tstr v0.2.4
[INFO] [stderr]    Compiling core_extensions v1.5.4
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling repr_offset v0.2.2
[INFO] [stderr]    Compiling abi_stable_shared v0.10.3
[INFO] [stderr] error: could not compile `serde` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name serde --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.219/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 -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "derive", "rc", "serde_derive", "std", "unstable"))' -C metadata=afd947fa816f19e9 -C extra-filename=-8ed03dfac6b516bf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-c3cc9fe67633e1bf.so --cap-lints allow --cap-lints=forbid --check-cfg 'cfg(no_core_cstr)' --check-cfg 'cfg(no_core_error)' --check-cfg 'cfg(no_core_net)' --check-cfg 'cfg(no_core_num_saturating)' --check-cfg 'cfg(no_core_try_from)' --check-cfg 'cfg(no_diagnostic_namespace)' --check-cfg 'cfg(no_float_copysign)' --check-cfg 'cfg(no_num_nonzero_signed)' --check-cfg 'cfg(no_relaxed_trait_bounds)' --check-cfg 'cfg(no_serde_derive)' --check-cfg 'cfg(no_std_atomic)' --check-cfg 'cfg(no_std_atomic64)' --check-cfg 'cfg(no_systemtime_checked_add)' --check-cfg 'cfg(no_target_has_atomic)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7c314830eae7b622f5dc26f42b8c1844e9aedc0df17aa8f4d5bd9f5cb51703d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c314830eae7b622f5dc26f42b8c1844e9aedc0df17aa8f4d5bd9f5cb51703d0", kill_on_drop: false }`
[INFO] [stdout] 7c314830eae7b622f5dc26f42b8c1844e9aedc0df17aa8f4d5bd9f5cb51703d0