[INFO] cloning repository https://github.com/paoloposso/rust-mongo-poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paoloposso/rust-mongo-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaoloposso%2Frust-mongo-poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaoloposso%2Frust-mongo-poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e504cc421255376c53d95cf0696b8ed6fd556d3
[INFO] checking paoloposso/rust-mongo-poc against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaoloposso%2Frust-mongo-poc" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paoloposso/rust-mongo-poc on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paoloposso/rust-mongo-poc
[INFO] finished tweaking git repo https://github.com/paoloposso/rust-mongo-poc
[INFO] tweaked toml for git repo https://github.com/paoloposso/rust-mongo-poc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/paoloposso/rust-mongo-poc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 6c5edcb85904b8e306589fe6c71802606bd3816d0bc659f24d1aa36fa2d3da58
[INFO] running `Command { std: "docker" "start" "-a" "6c5edcb85904b8e306589fe6c71802606bd3816d0bc659f24d1aa36fa2d3da58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c5edcb85904b8e306589fe6c71802606bd3816d0bc659f24d1aa36fa2d3da58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5edcb85904b8e306589fe6c71802606bd3816d0bc659f24d1aa36fa2d3da58", kill_on_drop: false }`
[INFO] [stdout] 6c5edcb85904b8e306589fe6c71802606bd3816d0bc659f24d1aa36fa2d3da58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2043f3b6fa6372130f3de564aab608fd428370d05d59d81671c097abbbea5dc
[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" "a2043f3b6fa6372130f3de564aab608fd428370d05d59d81671c097abbbea5dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking version_check v0.9.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking mio v0.7.5
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking os_info v2.0.8
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking futures-intrusive v0.3.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking objectid v0.2.0
[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 uuid v0.8.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr] error: could not compile `pin-project-internal`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pin_project_internal --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pin-project-internal-1.0.1/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=ff3fa01723b9414f -C extra-filename=-ff3fa01723b9414f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-db256853d8ab4a1e.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-ade5fbeeb7bccbe4.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-179644c7e3882336.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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a2043f3b6fa6372130f3de564aab608fd428370d05d59d81671c097abbbea5dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2043f3b6fa6372130f3de564aab608fd428370d05d59d81671c097abbbea5dc", kill_on_drop: false }`
[INFO] [stdout] a2043f3b6fa6372130f3de564aab608fd428370d05d59d81671c097abbbea5dc