[INFO] fetching crate exo 0.1.10...
[INFO] checking exo-0.1.10 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate exo 0.1.10 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate exo 0.1.10 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exo 0.1.10
[INFO] finished tweaking crates.io crate exo 0.1.10
[INFO] tweaked toml for crates.io crate exo 0.1.10 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate exo 0.1.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chacha20poly1305 v0.8.0
[INFO] [stderr]   Downloaded polyval v0.5.1
[INFO] [stderr]   Downloaded ghash v0.4.2
[INFO] [stderr]   Downloaded aes-gcm v0.9.2
[INFO] [stderr]   Downloaded exocore-apps-host v0.1.10
[INFO] [stderr]   Downloaded chacha20 v0.7.1
[INFO] [stderr]   Downloaded poly1305 v0.7.0
[INFO] [stderr]   Downloaded aead v0.4.1
[INFO] [stderr]   Downloaded ordered-float v2.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edeae065ba79a03ad550d2869a89600f6b0fa2446b026d6b1f734a5716f7bad5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "edeae065ba79a03ad550d2869a89600f6b0fa2446b026d6b1f734a5716f7bad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edeae065ba79a03ad550d2869a89600f6b0fa2446b026d6b1f734a5716f7bad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edeae065ba79a03ad550d2869a89600f6b0fa2446b026d6b1f734a5716f7bad5", kill_on_drop: false }`
[INFO] [stdout] edeae065ba79a03ad550d2869a89600f6b0fa2446b026d6b1f734a5716f7bad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 102db3f8992bbba0c6e3687456ad3f2f15ffb6934c5c4619ec638f36bc75ac94
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "102db3f8992bbba0c6e3687456ad3f2f15ffb6934c5c4619ec638f36bc75ac94", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking asn1_der v0.7.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling capnp v0.14.2
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling protobuf v2.24.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling wasmtime-cache v0.28.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking census v0.4.0
[INFO] [stderr]     Checking fastdivide v0.3.0
[INFO] [stderr]     Checking tantivy-bitpacker v0.1.0
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking levenshtein_automata v0.2.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking wast v36.0.0
[INFO] [stderr]     Checking crc v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling cpp_demangle v0.3.2
[INFO] [stderr]    Compiling capnpc v0.14.4
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking if-addrs v0.6.5
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking memmap2 v0.3.0
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking combine v4.6.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking bitpacking v0.8.4
[INFO] [stderr]     Checking lz4_flex v0.8.2
[INFO] [stderr]     Checking tantivy-fst v0.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking aead v0.4.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking aes v0.7.4
[INFO] [stderr]     Checking ctr v0.7.0
[INFO] [stderr]     Checking polyval v0.5.1
[INFO] [stderr]     Checking poly1305 v0.7.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking ordered-float v2.6.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking ghash v0.4.2
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking aes-gcm v0.9.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking petname v1.1.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling zstd-sys v1.4.20+zstd.1.4.9
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling wasmtime-fiber v0.28.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling wasmtime-runtime v0.28.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling psm v0.1.13
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking wat v1.0.38
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking tantivy-query-grammar v0.15.0
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.23.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking chacha20 v0.7.1
[INFO] [stderr]     Checking dialoguer v0.8.0
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking chacha20poly1305 v0.8.0
[INFO] [stderr]     Checking x25519-dalek v1.1.1
[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-1.0.126/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=e6b7886f3d28aaba -C extra-filename=-e6b7886f3d28aaba --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0c29878b8762dd41.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-56824a1e2a9455ee.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-dab179309baab97d.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "102db3f8992bbba0c6e3687456ad3f2f15ffb6934c5c4619ec638f36bc75ac94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102db3f8992bbba0c6e3687456ad3f2f15ffb6934c5c4619ec638f36bc75ac94", kill_on_drop: false }`
[INFO] [stdout] 102db3f8992bbba0c6e3687456ad3f2f15ffb6934c5c4619ec638f36bc75ac94