[INFO] updating cached repository https://github.com/inv2004/rust-async-kv-benchmarks
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e747014fbd00e48b882065bc620db5a109b1564d
[INFO] testing inv2004/rust-async-kv-benchmarks against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finv2004%2Frust-async-kv-benchmarks" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inv2004/rust-async-kv-benchmarks on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/inv2004/rust-async-kv-benchmarks
[INFO] finished tweaking git repo https://github.com/inv2004/rust-async-kv-benchmarks
[INFO] tweaked toml for git repo https://github.com/inv2004/rust-async-kv-benchmarks written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/inv2004/rust-async-kv-benchmarks already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 1ef72c50d4164139d426d99b027bb6fac62eb361deca76bf60a4bb17af063bd6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1ef72c50d4164139d426d99b027bb6fac62eb361deca76bf60a4bb17af063bd6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling serde v1.0.95
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling actix-service v0.4.1
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling socket2 v0.3.9
[INFO] [stderr]    Compiling signal-hook-registry v1.0.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling signal-hook v0.1.10
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling crossbeam_requests v0.2.0
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling chashmap v2.2.2
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling flate2 v1.0.9
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.25
[INFO] [stderr]    Compiling actix-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling actix-utils v0.4.4
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling actix-server-config v0.1.1
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.95
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling actix_derive v0.4.0
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling trust-dns-proto v0.7.4
[INFO] [stderr]    Compiling actix-threadpool v0.1.1
[INFO] [stderr]    Compiling actix-rt v0.2.4
[INFO] [stderr]    Compiling actix-server v0.5.1
[INFO] [stderr]    Compiling trust-dns-resolver v0.11.1
[INFO] [stderr]    Compiling actix-connect v0.2.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling actix-router v0.1.5
[INFO] [stderr]    Compiling actix-http v0.2.6
[INFO] [stderr]    Compiling awc v0.2.2
[INFO] [stderr]    Compiling actix v0.8.3
[INFO] [stderr]    Compiling actix-web v1.0.4
[INFO] [stderr]    Compiling tokio-db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/bin/kv_cmap_single.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/bin/kv_cmap_multi.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/bin/kv_thr_msg.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `tokio-db`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/bin/kv_refcell_single.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `tokio-db`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `tokio-db`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/bin/kv_rwlock_multi.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `tokio-db`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `tokio-db`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tokio-db`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name kv_actix_msg --edition=2018 src/bin/kv_actix_msg.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=f2ee7c7c18d37264 -C extra-filename=-f2ee7c7c18d37264 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern actix=/opt/rustwide/target/debug/deps/libactix-992a8c3544d1d992.rlib --extern actix_rt=/opt/rustwide/target/debug/deps/libactix_rt-82501da1466a6b20.rlib --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-6e6bbefd613c9399.rlib --extern chashmap=/opt/rustwide/target/debug/deps/libchashmap-2172dfa9e07e31f1.rlib --extern crossbeam_requests=/opt/rustwide/target/debug/deps/libcrossbeam_requests-3fde53050ef2183b.rlib --extern futures01=/opt/rustwide/target/debug/deps/libfutures-8d6a9ada7b6ae4e2.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-564b4401a3720a89.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-f5edfbea5f18b752.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-61b8c2ad4d9a94de.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d8dc7b3297c27699.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-72b6a28e747ebddc/out -L native=/opt/rustwide/target/debug/build/brotli-sys-fa4f1b7358f2df47/out -L native=/opt/rustwide/target/debug/build/miniz-sys-9345f0a835c19824/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tokio-db`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name kv_actix_cmap_async --edition=2018 src/bin/kv_actix_cmap_async.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=510fe19239c21c60 -C extra-filename=-510fe19239c21c60 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern actix=/opt/rustwide/target/debug/deps/libactix-992a8c3544d1d992.rlib --extern actix_rt=/opt/rustwide/target/debug/deps/libactix_rt-82501da1466a6b20.rlib --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-6e6bbefd613c9399.rlib --extern chashmap=/opt/rustwide/target/debug/deps/libchashmap-2172dfa9e07e31f1.rlib --extern crossbeam_requests=/opt/rustwide/target/debug/deps/libcrossbeam_requests-3fde53050ef2183b.rlib --extern futures01=/opt/rustwide/target/debug/deps/libfutures-8d6a9ada7b6ae4e2.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-564b4401a3720a89.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-f5edfbea5f18b752.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-61b8c2ad4d9a94de.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d8dc7b3297c27699.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-72b6a28e747ebddc/out -L native=/opt/rustwide/target/debug/build/brotli-sys-fa4f1b7358f2df47/out -L native=/opt/rustwide/target/debug/build/miniz-sys-9345f0a835c19824/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tokio-db`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name kv_actix_cmap --edition=2018 src/bin/kv_actix_cmap.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=a20e9a4e43e349e9 -C extra-filename=-a20e9a4e43e349e9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern actix=/opt/rustwide/target/debug/deps/libactix-992a8c3544d1d992.rlib --extern actix_rt=/opt/rustwide/target/debug/deps/libactix_rt-82501da1466a6b20.rlib --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-6e6bbefd613c9399.rlib --extern chashmap=/opt/rustwide/target/debug/deps/libchashmap-2172dfa9e07e31f1.rlib --extern crossbeam_requests=/opt/rustwide/target/debug/deps/libcrossbeam_requests-3fde53050ef2183b.rlib --extern futures01=/opt/rustwide/target/debug/deps/libfutures-8d6a9ada7b6ae4e2.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-564b4401a3720a89.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-f5edfbea5f18b752.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-61b8c2ad4d9a94de.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d8dc7b3297c27699.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-72b6a28e747ebddc/out -L native=/opt/rustwide/target/debug/build/brotli-sys-fa4f1b7358f2df47/out -L native=/opt/rustwide/target/debug/build/miniz-sys-9345f0a835c19824/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tokio-db`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name kv_actix_rwlock_async --edition=2018 src/bin/kv_actix_rwlock_async.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=4be81470e4f2b035 -C extra-filename=-4be81470e4f2b035 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern actix=/opt/rustwide/target/debug/deps/libactix-992a8c3544d1d992.rlib --extern actix_rt=/opt/rustwide/target/debug/deps/libactix_rt-82501da1466a6b20.rlib --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-6e6bbefd613c9399.rlib --extern chashmap=/opt/rustwide/target/debug/deps/libchashmap-2172dfa9e07e31f1.rlib --extern crossbeam_requests=/opt/rustwide/target/debug/deps/libcrossbeam_requests-3fde53050ef2183b.rlib --extern futures01=/opt/rustwide/target/debug/deps/libfutures-8d6a9ada7b6ae4e2.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-564b4401a3720a89.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-f5edfbea5f18b752.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-61b8c2ad4d9a94de.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d8dc7b3297c27699.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-72b6a28e747ebddc/out -L native=/opt/rustwide/target/debug/build/brotli-sys-fa4f1b7358f2df47/out -L native=/opt/rustwide/target/debug/build/miniz-sys-9345f0a835c19824/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tokio-db`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name kv_actix_rwlock --edition=2018 src/bin/kv_actix_rwlock.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=2bb3fcc33fc31bc8 -C extra-filename=-2bb3fcc33fc31bc8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern actix=/opt/rustwide/target/debug/deps/libactix-992a8c3544d1d992.rlib --extern actix_rt=/opt/rustwide/target/debug/deps/libactix_rt-82501da1466a6b20.rlib --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-6e6bbefd613c9399.rlib --extern chashmap=/opt/rustwide/target/debug/deps/libchashmap-2172dfa9e07e31f1.rlib --extern crossbeam_requests=/opt/rustwide/target/debug/deps/libcrossbeam_requests-3fde53050ef2183b.rlib --extern futures01=/opt/rustwide/target/debug/deps/libfutures-8d6a9ada7b6ae4e2.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-564b4401a3720a89.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-f5edfbea5f18b752.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-61b8c2ad4d9a94de.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d8dc7b3297c27699.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-72b6a28e747ebddc/out -L native=/opt/rustwide/target/debug/build/brotli-sys-fa4f1b7358f2df47/out -L native=/opt/rustwide/target/debug/build/miniz-sys-9345f0a835c19824/out` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "1ef72c50d4164139d426d99b027bb6fac62eb361deca76bf60a4bb17af063bd6"`
[INFO] running `"docker" "rm" "-f" "1ef72c50d4164139d426d99b027bb6fac62eb361deca76bf60a4bb17af063bd6"`
[INFO] [stdout] 1ef72c50d4164139d426d99b027bb6fac62eb361deca76bf60a4bb17af063bd6