[INFO] fetching crate fregate 0.3.1...
[INFO] building fregate-0.3.1 against try#3bbb5242a8064de4ca3af4036745ddf603ddaa85 for pr-101929
[INFO] extracting crate fregate 0.3.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fregate 0.3.1 on toolchain 3bbb5242a8064de4ca3af4036745ddf603ddaa85
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fregate 0.3.1
[INFO] finished tweaking crates.io crate fregate 0.3.1
[INFO] tweaked toml for crates.io crate fregate 0.3.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1577ecffdf95628d41aff2e6b5e528d32fc731eb90e7c1fbe171e93d3903513
[INFO] running `Command { std: "docker" "start" "-a" "e1577ecffdf95628d41aff2e6b5e528d32fc731eb90e7c1fbe171e93d3903513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1577ecffdf95628d41aff2e6b5e528d32fc731eb90e7c1fbe171e93d3903513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1577ecffdf95628d41aff2e6b5e528d32fc731eb90e7c1fbe171e93d3903513", kill_on_drop: false }`
[INFO] [stdout] e1577ecffdf95628d41aff2e6b5e528d32fc731eb90e7c1fbe171e93d3903513
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e282e50be4e4e87a5e83de218d245de7f30765329e1580a57f1295a15b665d49
[INFO] running `Command { std: "docker" "start" "-a" "e282e50be4e4e87a5e83de218d245de7f30765329e1580a57f1295a15b665d49", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling once_cell v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling futures-sink v0.3.24
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling futures-io v0.3.24
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling tracing-core v0.1.29
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling itertools v0.10.4
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling digest v0.10.5
[INFO] [stderr]    Compiling hdrhistogram v7.5.1
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling futures-executor v0.3.24
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling brotli-decompressor v2.3.2
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling portable-atomic v0.3.15
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling brotli v3.3.4
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling metrics v0.20.1
[INFO] [stderr]    Compiling ipnet v2.5.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling iri-string v0.4.1
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling uuid v1.1.2
[INFO] [stderr]    Compiling raw-cpuid v10.6.0
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling http-range-header v0.3.0
[INFO] [stderr]    Compiling dlv-list v0.3.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling ordered-multimap v0.4.3
[INFO] [stderr]    Compiling quanta v0.10.1
[INFO] [stderr]    Compiling time v0.3.14
[INFO] [stderr]    Compiling headers v0.3.8
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling matchit v0.5.0
[INFO] [stderr]    Compiling sketches-ddsketch v0.2.0
[INFO] [stderr]    Compiling sync_wrapper v0.1.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling rust-ini v0.18.0
[INFO] [stderr]    Compiling futures v0.3.24
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling metrics-macros v0.6.0
[INFO] [stderr]    Compiling prost-derive v0.11.0
[INFO] [stderr]    Compiling typed-builder v0.9.1
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.144/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=d65f2b96cfd8747c -C extra-filename=-d65f2b96cfd8747c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ef575448982cb45b.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-4e3dfdabab44dc07.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-95d2aeace99b2a3f.rlib --extern proc_macro --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" "e282e50be4e4e87a5e83de218d245de7f30765329e1580a57f1295a15b665d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e282e50be4e4e87a5e83de218d245de7f30765329e1580a57f1295a15b665d49", kill_on_drop: false }`
[INFO] [stdout] e282e50be4e4e87a5e83de218d245de7f30765329e1580a57f1295a15b665d49