[INFO] cloning repository https://github.com/hartlco/twitt_rss
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hartlco/twitt_rss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhartlco%2Ftwitt_rss", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhartlco%2Ftwitt_rss'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08951ab4539d7075ed975bbc9e3737b87ede40f2
[INFO] checking hartlco/twitt_rss against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhartlco%2Ftwitt_rss" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hartlco/twitt_rss on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hartlco/twitt_rss
[INFO] finished tweaking git repo https://github.com/hartlco/twitt_rss
[INFO] tweaked toml for git repo https://github.com/hartlco/twitt_rss written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/hartlco/twitt_rss already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded egg-mode v0.15.0
[INFO] [stderr]   Downloaded getrandom v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5032b841a6c9e079b7990ae4437e913e73736cd9eddc3afb8832b2e6b3a927e7
[INFO] running `Command { std: "docker" "start" "-a" "5032b841a6c9e079b7990ae4437e913e73736cd9eddc3afb8832b2e6b3a927e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5032b841a6c9e079b7990ae4437e913e73736cd9eddc3afb8832b2e6b3a927e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5032b841a6c9e079b7990ae4437e913e73736cd9eddc3afb8832b2e6b3a927e7", kill_on_drop: false }`
[INFO] [stdout] 5032b841a6c9e079b7990ae4437e913e73736cd9eddc3afb8832b2e6b3a927e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2da9a66f67fa26bbd6cd84aec854d54bd04c6b0f398e71af9abf11023ed7666
[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" "b2da9a66f67fa26bbd6cd84aec854d54bd04c6b0f398e71af9abf11023ed7666", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling getrandom v0.1.9
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking encoding_rs v0.8.17
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling openssl-sys v0.9.48
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.16
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr] error: could not compile `darling_core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.9.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="strsim"' --cfg 'feature="suggestions"' -C metadata=f993e8d2b98678f4 -C extra-filename=-f993e8d2b98678f4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-536a1824ffde2141.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-fa2c25a6b244a2f2.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8115c969f6e9e75a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c8c4589b60ce3921.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-13e4fe9f4423e3e3.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-e09a0b1979d1713a.rmeta --cap-lints allow --cap-lints=forbid` (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" "b2da9a66f67fa26bbd6cd84aec854d54bd04c6b0f398e71af9abf11023ed7666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2da9a66f67fa26bbd6cd84aec854d54bd04c6b0f398e71af9abf11023ed7666", kill_on_drop: false }`
[INFO] [stdout] b2da9a66f67fa26bbd6cd84aec854d54bd04c6b0f398e71af9abf11023ed7666