[INFO] cloning repository https://github.com/elniallo/tokio-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elniallo/tokio-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felniallo%2Ftokio-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felniallo%2Ftokio-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 547e0ec0029605bfa12910ce200ab0c356555d97
[INFO] checking elniallo/tokio-experiment against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felniallo%2Ftokio-experiment" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elniallo/tokio-experiment on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elniallo/tokio-experiment
[INFO] finished tweaking git repo https://github.com/elniallo/tokio-experiment
[INFO] tweaked toml for git repo https://github.com/elniallo/tokio-experiment written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/elniallo/tokio-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bench.2.include
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded either v1.5.1
[INFO] [stderr]   Downloaded env_logger v0.6.1
[INFO] [stderr]   Downloaded once_cell v0.1.8
[INFO] [stderr]   Downloaded crunchy v0.1.6
[INFO] [stderr]   Downloaded term v0.5.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.43
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded criterion-plot v0.3.0
[INFO] [stderr]   Downloaded criterion v0.2.10
[INFO] [stderr]   Downloaded float-cmp v0.2.5
[INFO] [stderr]   Downloaded csv-core v0.1.5
[INFO] [stderr]   Downloaded tokio v0.1.18
[INFO] [stderr]   Downloaded tokio-proto v0.1.1
[INFO] [stderr]   Downloaded block-padding v0.1.3
[INFO] [stderr]   Downloaded simple_logger v0.5.0
[INFO] [stderr]   Downloaded maplit v1.0.1
[INFO] [stderr]   Downloaded rocksdb v0.10.1
[INFO] [stderr]   Downloaded clang-sys v0.26.4
[INFO] [stderr]   Downloaded tinytemplate v1.0.1
[INFO] [stderr]   Downloaded num-complex v0.2.1
[INFO] [stderr]   Downloaded syn v0.15.29
[INFO] [stderr]   Downloaded protobuf v2.0.4
[INFO] [stderr]   Downloaded slog v2.4.1
[INFO] [stderr]   Downloaded tiny-keccak v1.4.2
[INFO] [stderr]   Downloaded regex v1.1.2
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.13
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] [stderr]   Downloaded take v0.1.0
[INFO] [stderr]   Downloaded lazysort v0.2.1
[INFO] [stderr]   Downloaded block-buffer v0.7.0
[INFO] [stderr]   Downloaded futures v0.1.25
[INFO] [stderr]   Downloaded tokio-sync v0.1.4
[INFO] [stderr]   Downloaded rand_jitter v0.1.3
[INFO] [stderr]   Downloaded rocksdb v0.11.0
[INFO] [stderr]   Downloaded protoc v2.0.4
[INFO] [stderr]   Downloaded openssl v0.10.20
[INFO] [stderr]   Downloaded csv v1.0.5
[INFO] [stderr]   Downloaded rand_xoshiro v0.1.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.5
[INFO] [stderr]   Downloaded slog-term v2.4.0
[INFO] [stderr]   Downloaded smallvec v0.2.1
[INFO] [stderr]   Downloaded bindgen v0.47.3
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded openssl-src v111.2.1+1.1.1b
[INFO] [stderr]   Downloaded cexpr v0.3.5
[INFO] [stderr]   Downloaded hashbrown v0.1.8
[INFO] [stderr]   Downloaded libc v0.2.50
[INFO] [stderr]   Downloaded starling v1.2.1
[INFO] [stderr]   Downloaded librocksdb-sys v5.17.2
[INFO] [stderr]   Downloaded bitcoin v0.14.2
[INFO] [stderr]   Downloaded double v0.2.3
[INFO] [stderr]   Downloaded bech32 v0.5.0
[INFO] [stderr]   Downloaded protoc-rust-no-elision v2.0.4
[INFO] [stderr]   Downloaded rust-base58 v0.0.4
[INFO] [stderr]   Downloaded cryptonight-rs v0.2.1
[INFO] [stderr]   Downloaded secp256k1 v0.11.6
[INFO] [stderr]   Downloaded protobuf-codegen-no-elision v2.0.4
[INFO] [stderr]   Downloaded bitcoin-bech32 v0.8.1
[INFO] [stderr]   Downloaded bitcoin v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a591647331b30aced4705eaf1034e287387687209ab0a036c57cb0ea42357939
[INFO] running `Command { std: "docker" "start" "-a" "a591647331b30aced4705eaf1034e287387687209ab0a036c57cb0ea42357939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a591647331b30aced4705eaf1034e287387687209ab0a036c57cb0ea42357939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a591647331b30aced4705eaf1034e287387687209ab0a036c57cb0ea42357939", kill_on_drop: false }`
[INFO] [stdout] a591647331b30aced4705eaf1034e287387687209ab0a036c57cb0ea42357939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b72a0a57f6c9526353c0975650008688e049c057d24d7e8b0617cfa302e755d
[INFO] running `Command { std: "docker" "start" "-a" "4b72a0a57f6c9526353c0975650008688e049c057d24d7e8b0617cfa302e755d", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bench.2.include
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling bindgen v0.47.3
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling protobuf v2.0.4
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking bech32 v0.5.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling starling v1.2.1
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking lazysort v0.2.1
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling protoc v2.0.4
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr] error: could not compile `protobuf`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-2.0.4/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=e39ae5ebf336bc24 -C extra-filename=-e39ae5ebf336bc24 --out-dir /opt/rustwide/target/debug/build/protobuf-e39ae5ebf336bc24 -L dependency=/opt/rustwide/target/debug/deps --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" "4b72a0a57f6c9526353c0975650008688e049c057d24d7e8b0617cfa302e755d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b72a0a57f6c9526353c0975650008688e049c057d24d7e8b0617cfa302e755d", kill_on_drop: false }`
[INFO] [stdout] 4b72a0a57f6c9526353c0975650008688e049c057d24d7e8b0617cfa302e755d