[INFO] cloning repository https://github.com/mit-pdos/distributary
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mit-pdos/distributary" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmit-pdos%2Fdistributary", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmit-pdos%2Fdistributary'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd639f57e8fa3fa1cdc1ca3a4c7ef3cedbe45c8c
[INFO] checking mit-pdos/distributary against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmit-pdos%2Fdistributary" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mit-pdos/distributary on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mit-pdos/distributary
[INFO] finished tweaking git repo https://github.com/mit-pdos/distributary
[INFO] tweaked toml for git repo https://github.com/mit-pdos/distributary written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tokio-tower.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.7.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.15
[INFO] [stderr]   Downloaded stream-cancel v0.6.2
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.6
[INFO] [stderr]   Downloaded typenum v1.13.0
[INFO] [stderr]   Downloaded polling v2.0.3
[INFO] [stderr]   Downloaded lexical v5.2.1
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] [stderr]   Downloaded const-random-macro v0.1.13
[INFO] [stderr]   Downloaded mysql v18.2.0
[INFO] [stderr]   Downloaded arccstr v1.3.0
[INFO] [stderr]   Downloaded derive_utils v0.11.2
[INFO] [stderr]   Downloaded io-enum v0.2.6
[INFO] [stderr]   Downloaded md5 v0.3.8
[INFO] [stderr]   Downloaded flurry v0.3.1
[INFO] [stderr]   Downloaded async-trait v0.1.48
[INFO] [stderr]   Downloaded openssl-sys v0.9.61
[INFO] [stderr]   Downloaded openssl v0.10.33
[INFO] [stderr]   Downloaded evmap v11.0.0-alpha.7
[INFO] [stderr]   Downloaded async-global-executor v2.0.2
[INFO] [stderr]   Downloaded left-right v0.11.0
[INFO] [stderr]   Downloaded named_pipe v0.4.1
[INFO] [stderr]   Downloaded security-framework v2.1.2
[INFO] [stderr]   Downloaded web-sys v0.3.49
[INFO] [stderr]   Downloaded async-timer v0.7.3
[INFO] [stderr]   Downloaded hdrhistogram v7.2.0
[INFO] [stderr]   Downloaded rust_decimal v1.10.3
[INFO] [stderr]   Downloaded histogram-sampler v0.4.0
[INFO] [stderr]   Downloaded strawpoll v0.2.2
[INFO] [stderr]   Downloaded timekeeper v0.3.2
[INFO] [stderr]   Downloaded trawler v0.11.0-alpha.5
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] [stderr]   Downloaded zookeeper v0.5.10
[INFO] [stderr]   Downloaded security-framework-sys v2.1.1
[INFO] [stderr]   Downloaded bincode v1.3.2
[INFO] [stderr]   Downloaded socket2 v0.4.0
[INFO] [stderr]   Downloaded nb-connect v1.1.0
[INFO] [stderr]   Downloaded vec-arena v1.1.0
[INFO] [stderr]   Downloaded zookeeper_derive v0.4.1
[INFO] [stderr]   Downloaded standback v0.2.17
[INFO] [stderr]   Downloaded tower-layer v0.3.1
[INFO] [stderr]   Downloaded ctor v0.1.19
[INFO] [stderr]   Downloaded lexical v4.2.0
[INFO] [stderr]   Downloaded conhash v0.4.0
[INFO] [stderr]   Downloaded unix_socket v0.5.0
[INFO] [stderr]   Downloaded memcached-rs v0.4.2
[INFO] [stderr]   Downloaded mysql_async v0.23.1
[INFO] [stderr]   Downloaded ahash v0.2.19
[INFO] [stderr]   Downloaded lru v0.4.3
[INFO] [stderr]   Downloaded mysql_common v0.20.2
[INFO] [stderr]   Downloaded async-bincode v0.5.1
[INFO] [stderr]   Downloaded hashbag v0.1.3
[INFO] [stderr]   Downloaded nom-sql v0.0.11
[INFO] [stderr]   Downloaded const-random v0.1.13
[INFO] [stderr]   Downloaded assert_infrequent v0.1.0
[INFO] [stderr]   Downloaded zipf v6.1.0
[INFO] [stderr]   Downloaded twox-hash v1.6.0
[INFO] [stderr]   Downloaded async-channel v1.6.1
[INFO] [stderr]   Downloaded time v0.2.7
[INFO] [stderr]   Downloaded combine v4.5.2
[INFO] [stderr]   Downloaded slog v2.7.0
[INFO] [stderr]   Downloaded async-std v1.9.0
[INFO] [stderr]   Downloaded redis v0.16.0
[INFO] [stderr]   Downloaded streamunordered v0.5.2
[INFO] [stderr]   Downloaded slog-term v2.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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] 54ed278fb42541ec7542278a9fdc6ae43137d4a0470f0e75894a41e294d8e719
[INFO] running `Command { std: "docker" "start" "-a" "54ed278fb42541ec7542278a9fdc6ae43137d4a0470f0e75894a41e294d8e719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54ed278fb42541ec7542278a9fdc6ae43137d4a0470f0e75894a41e294d8e719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ed278fb42541ec7542278a9fdc6ae43137d4a0470f0e75894a41e294d8e719", kill_on_drop: false }`
[INFO] [stdout] 54ed278fb42541ec7542278a9fdc6ae43137d4a0470f0e75894a41e294d8e719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1888da22d2de1bb67c20b8e118c678d903aeb6645e02b2e8491338748f236e84
[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" "1888da22d2de1bb67c20b8e118c678d903aeb6645e02b2e8491338748f236e84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking hashbag v0.1.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling mysql v18.2.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking left-right v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling io-enum v0.2.6
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking strawpoll v0.2.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling trawler v0.11.0-alpha.5
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling lexical v4.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking timekeeper v0.3.2
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking lexical v5.2.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking nb-connect v1.1.0
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking evmap v11.0.0-alpha.7
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking zipf v6.1.0
[INFO] [stderr]     Checking histogram-sampler v0.4.0
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking flurry v0.3.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking hdrhistogram v7.2.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling zookeeper_derive v0.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr] error: could not compile `async-trait`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name async_trait --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-trait-0.1.48/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=aedc3457ba288839 -C extra-filename=-aedc3457ba288839 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-68d422dfc8864dc7.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-cfc781dd86a6c62d.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-c5a23fda996b26c8.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" "1888da22d2de1bb67c20b8e118c678d903aeb6645e02b2e8491338748f236e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1888da22d2de1bb67c20b8e118c678d903aeb6645e02b2e8491338748f236e84", kill_on_drop: false }`
[INFO] [stdout] 1888da22d2de1bb67c20b8e118c678d903aeb6645e02b2e8491338748f236e84