[INFO] fetching crate network_peers_discovery 0.0.2...
[INFO] checking network_peers_discovery-0.0.2 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate network_peers_discovery 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate network_peers_discovery 0.0.2 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate network_peers_discovery 0.0.2
[INFO] finished tweaking crates.io crate network_peers_discovery 0.0.2
[INFO] tweaked toml for crates.io crate network_peers_discovery 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4720ba0b61fff92e922c333f3011169fb0fc215062ceaddf6a17714d9d3eec18
[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" "4720ba0b61fff92e922c333f3011169fb0fc215062ceaddf6a17714d9d3eec18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4720ba0b61fff92e922c333f3011169fb0fc215062ceaddf6a17714d9d3eec18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4720ba0b61fff92e922c333f3011169fb0fc215062ceaddf6a17714d9d3eec18", kill_on_drop: false }`
[INFO] [stdout] 4720ba0b61fff92e922c333f3011169fb0fc215062ceaddf6a17714d9d3eec18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 154957e1ccb49ac0946def84a835c97d203623580926378d80e84a4eed892c4b
[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" "154957e1ccb49ac0946def84a835c97d203623580926378d80e84a4eed892c4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling os_info v1.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking semver-parser v0.6.2
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking semver v0.5.1
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.12.2
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling darling_macro v0.12.2
[INFO] [stderr] error: could not compile `derivative`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name derivative /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/derivative-1.0.4/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 -C metadata=64f1d8c43546a695 -C extra-filename=-64f1d8c43546a695 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8115c969f6e9e75a.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-c8c4589b60ce3921.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-e09a0b1979d1713a.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] [stdout] error: linking with `cc` failed: signal: 9
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.async_trait.7hcyykqz-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/libasync_trait-4875a137044b9af2.so" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.vmuc7wdj0rqzsi8.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-4875a137044b9af2.3kdgy3ejnol2n7vx.rcgu.o" "-Wl,--gc-sections" "-shared" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsyn-863c41a19aeffee0.rlib" "/opt/rustwide/target/debug/deps/libquote-cfc781dd86a6c62d.rlib" "/opt/rustwide/target/debug/deps/libproc_macro2-68d422dfc8864dc7.rlib" "/opt/rustwide/target/debug/deps/libunicode_xid-4182131ee577b5da.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/libproc_macro-32c6bf27c59d75f6.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6f5658153d127ddd.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-b69e89b2ef7e009e.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-fe971cf9622d0c47.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9ff49e5df977573d.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-323dea4ee1c9a010.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-f12d17a047776008.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-3d968aa3120f6a27.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-22cd238a7814521c.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-f2c707309e5edc5c.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-6b6b4b2bc151fc5a.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-32b57ee4d7c8dc07.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d9f2cb19c79e847e.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-3ccc4a4f3013e9ef.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-aa547327a7679d28.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-90996f4879673567.rlib" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9ea09a899c3eda46.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/9503ea19edbf01b9435e80e17d60ce1b88390116/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ea377e9224b11a8a.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "154957e1ccb49ac0946def84a835c97d203623580926378d80e84a4eed892c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "154957e1ccb49ac0946def84a835c97d203623580926378d80e84a4eed892c4b", kill_on_drop: false }`
[INFO] [stdout] 154957e1ccb49ac0946def84a835c97d203623580926378d80e84a4eed892c4b