[INFO] fetching crate indradb-client 2.1.0...
[INFO] checking indradb-client-2.1.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate indradb-client 2.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate indradb-client 2.1.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate indradb-client 2.1.0
[INFO] finished tweaking crates.io crate indradb-client 2.1.0
[INFO] tweaked toml for crates.io crate indradb-client 2.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate indradb-client 2.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] 817c210bd90b75efef1bdd100db281c986bc65e60e5f42417c9908b3c37ee31d
[INFO] running `Command { std: "docker" "start" "-a" "817c210bd90b75efef1bdd100db281c986bc65e60e5f42417c9908b3c37ee31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "817c210bd90b75efef1bdd100db281c986bc65e60e5f42417c9908b3c37ee31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817c210bd90b75efef1bdd100db281c986bc65e60e5f42417c9908b3c37ee31d", kill_on_drop: false }`
[INFO] [stdout] 817c210bd90b75efef1bdd100db281c986bc65e60e5f42417c9908b3c37ee31d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc8f8458dc41b2f9e063493bba18050cb6fe98d38bb6dcfb2c4102b6cd568aa7
[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" "fc8f8458dc41b2f9e063493bba18050cb6fe98d38bb6dcfb2c4102b6cd568aa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]     Checking prost-types v0.7.0
[INFO] [stderr]    Compiling librocksdb-sys v6.11.4
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-stream v0.1.3
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking tower v0.4.5
[INFO] [stderr]    Compiling tonic-build v0.4.0
[INFO] [stderr]    Compiling indradb-proto v2.1.0
[INFO] [stderr] error: failed to run custom build command for `indradb-proto v2.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/indradb-proto-1c3699fd6c15b2a3/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'a5f164faad4a2fed606b8160fd7ecd2d5cbba381'
[INFO] [stderr]   note: this is a custom toolchain, which cannot use `rustup component add`
[INFO] [stderr]   help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc: fatal error: Killed signal terminated program cc1
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fc8f8458dc41b2f9e063493bba18050cb6fe98d38bb6dcfb2c4102b6cd568aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8f8458dc41b2f9e063493bba18050cb6fe98d38bb6dcfb2c4102b6cd568aa7", kill_on_drop: false }`
[INFO] [stdout] fc8f8458dc41b2f9e063493bba18050cb6fe98d38bb6dcfb2c4102b6cd568aa7