[INFO] cloning repository https://github.com/inq/hideout
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inq/hideout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Fhideout", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Fhideout'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d314c28081c5724a5f0c2f69e053917f10b89b5f
[INFO] checking inq/hideout against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Fhideout" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inq/hideout on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/inq/hideout
[INFO] finished tweaking git repo https://github.com/inq/hideout
[INFO] tweaked toml for git repo https://github.com/inq/hideout written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/inq/hideout already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6114b6c0bd03f6568d76da82d37b70131f947c9ccd0aec6dc2ffe9da44d361b4
[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" "6114b6c0bd03f6568d76da82d37b70131f947c9ccd0aec6dc2ffe9da44d361b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6114b6c0bd03f6568d76da82d37b70131f947c9ccd0aec6dc2ffe9da44d361b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6114b6c0bd03f6568d76da82d37b70131f947c9ccd0aec6dc2ffe9da44d361b4", kill_on_drop: false }`
[INFO] [stdout] 6114b6c0bd03f6568d76da82d37b70131f947c9ccd0aec6dc2ffe9da44d361b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 518e497d43f988dd536500517944294b6656a4e8a136a8d20d365d1f13bfff97
[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" "518e497d43f988dd536500517944294b6656a4e8a136a8d20d365d1f13bfff97", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking version_check v0.9.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling tokio v1.1.1
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling tent_codegen v0.0.9
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking os_info v3.0.1
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking tent v0.0.9
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling typed-builder v0.4.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[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-0.10.2/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=3956703f240a34dc -C extra-filename=-3956703f240a34dc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-03632dd09ca25027.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-fa2c25a6b244a2f2.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-68d422dfc8864dc7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1973dd20edee240d.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-2b7e1d0d910ba857.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-4ec537cd54aa65f5.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" "518e497d43f988dd536500517944294b6656a4e8a136a8d20d365d1f13bfff97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "518e497d43f988dd536500517944294b6656a4e8a136a8d20d365d1f13bfff97", kill_on_drop: false }`
[INFO] [stdout] 518e497d43f988dd536500517944294b6656a4e8a136a8d20d365d1f13bfff97