[INFO] cloning repository https://github.com/louisbirla/luanno
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/louisbirla/luanno" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouisbirla%2Fluanno", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouisbirla%2Fluanno'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a184a50af09ab0af713e538023b27f805d7a7e14
[INFO] checking louisbirla/luanno against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouisbirla%2Fluanno" "/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/louisbirla/luanno on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/louisbirla/luanno
[INFO] finished tweaking git repo https://github.com/louisbirla/luanno
[INFO] tweaked toml for git repo https://github.com/louisbirla/luanno written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/louisbirla/luanno already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nb-connect v1.1.0
[INFO] [stderr]   Downloaded os_info v3.0.1
[INFO] [stderr]   Downloaded typed-builder v0.4.1
[INFO] [stderr]   Downloaded darling v0.12.2
[INFO] [stderr]   Downloaded serde_with v1.6.4
[INFO] [stderr]   Downloaded bson v1.2.1
[INFO] [stderr]   Downloaded serde_with_macros v1.4.1
[INFO] [stderr]   Downloaded darling_core v0.12.2
[INFO] [stderr]   Downloaded darling_macro v0.12.2
[INFO] [stderr]   Downloaded mio v0.7.10
[INFO] [stderr]   Downloaded mongodb v1.2.2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "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] 2fb125381478589548d57d18e2341e4179b1c8496d2d183c4df1eb0fd637e32d
[INFO] running `Command { std: "docker" "start" "-a" "2fb125381478589548d57d18e2341e4179b1c8496d2d183c4df1eb0fd637e32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fb125381478589548d57d18e2341e4179b1c8496d2d183c4df1eb0fd637e32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb125381478589548d57d18e2341e4179b1c8496d2d183c4df1eb0fd637e32d", kill_on_drop: false }`
[INFO] [stdout] 2fb125381478589548d57d18e2341e4179b1c8496d2d183c4df1eb0fd637e32d
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40d3780002d72e9fb0403ac6d76b3b42d99b5e0992bc661c9f4254376f97d046
[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" "40d3780002d72e9fb0403ac6d76b3b42d99b5e0992bc661c9f4254376f97d046", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling serenity v0.10.7
[INFO] [stderr]     Checking version_check v0.9.3
[INFO] [stderr]     Checking typemap_rev v0.1.4
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking nb-connect v1.1.0
[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 v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling darling_core v0.12.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling typed-builder v0.4.1
[INFO] [stderr]    Compiling command_attr v0.3.6
[INFO] [stderr]    Compiling derivative v2.2.0
[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-0.12.2/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=ecf86205b60d5cf4 -C extra-filename=-ecf86205b60d5cf4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-bb690c336855f248.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-f9e0d0fa5402f0d8.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4d038e1ab37629ce.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b5f902cc5fd286ca.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-be6ba759f95a5238.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-7144e6dc223d0b53.rmeta --cap-lints allow --cap-lints=warn` (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" "40d3780002d72e9fb0403ac6d76b3b42d99b5e0992bc661c9f4254376f97d046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d3780002d72e9fb0403ac6d76b3b42d99b5e0992bc661c9f4254376f97d046", kill_on_drop: false }`
[INFO] [stdout] 40d3780002d72e9fb0403ac6d76b3b42d99b5e0992bc661c9f4254376f97d046