[INFO] cloning repository https://github.com/jonhoo/tower-buffer-benchmark [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonhoo/tower-buffer-benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Ftower-buffer-benchmark", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Ftower-buffer-benchmark'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d3f402a5678948c542f50009e14a958ad30c2a14 [INFO] checking jonhoo/tower-buffer-benchmark against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Ftower-buffer-benchmark" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jonhoo/tower-buffer-benchmark on toolchain 339e19697a39a78f4d669c217b7d21109215de41 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jonhoo/tower-buffer-benchmark [INFO] finished tweaking git repo https://github.com/jonhoo/tower-buffer-benchmark [INFO] tweaked toml for git repo https://github.com/jonhoo/tower-buffer-benchmark written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/jonhoo/tower-buffer-benchmark already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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 futures v0.1.28 [INFO] [stderr] Downloaded adler32 v1.0.3 [INFO] [stderr] Downloaded tokio-io v0.1.12 [INFO] [stderr] Downloaded base64 v0.10.1 [INFO] [stderr] Downloaded tower-service v0.2.0 [INFO] [stderr] Downloaded owning_ref v0.4.0 [INFO] [stderr] Downloaded tokio-threadpool v0.1.15 [INFO] [stderr] Downloaded tokio-codec v0.1.1 [INFO] [stderr] Downloaded bytes v0.4.12 [INFO] [stderr] Downloaded tokio-sync v0.1.6 [INFO] [stderr] Downloaded parking_lot v0.7.1 [INFO] [stderr] Downloaded tokio-fs v0.1.6 [INFO] [stderr] Downloaded smallvec v0.6.10 [INFO] [stderr] Downloaded tokio-executor v0.1.8 [INFO] [stderr] Downloaded tokio-tcp v0.1.3 [INFO] [stderr] Downloaded tokio-current-thread v0.1.6 [INFO] [stderr] Downloaded tower-util v0.1.0 [INFO] [stderr] Downloaded mio v0.6.19 [INFO] [stderr] Downloaded crossbeam-channel v0.3.8 [INFO] [stderr] Downloaded tokio-udp v0.1.3 [INFO] [stderr] Downloaded cfg-if v0.1.9 [INFO] [stderr] Downloaded num_cpus v1.10.1 [INFO] [stderr] Downloaded miniz_oxide_c_api v0.2.2 [INFO] [stderr] Downloaded miniz-sys v0.1.12 [INFO] [stderr] Downloaded byteorder v1.3.2 [INFO] [stderr] Downloaded winapi v0.3.7 [INFO] [stderr] Downloaded crossbeam-utils v0.6.5 [INFO] [stderr] Downloaded tokio v0.1.22 [INFO] [stderr] Downloaded tokio-timer v0.2.11 [INFO] [stderr] Downloaded memchr v2.2.1 [INFO] [stderr] Downloaded quanta v0.3.1 [INFO] [stderr] Downloaded parking_lot_core v0.4.0 [INFO] [stderr] Downloaded tokio-reactor v0.1.9 [INFO] [stderr] Downloaded crossbeam v0.7.1 [INFO] [stderr] Downloaded cc v1.0.37 [INFO] [stderr] Downloaded crossbeam-queue v0.1.2 [INFO] [stderr] Downloaded mio-uds v0.6.7 [INFO] [stderr] Downloaded autocfg v0.1.4 [INFO] [stderr] Downloaded lock_api v0.1.5 [INFO] [stderr] Downloaded bitflags v1.1.0 [INFO] [stderr] Downloaded tokio-uds v0.2.5 [INFO] [stderr] Downloaded tower-discover v0.1.0 [INFO] [stderr] Downloaded tower-load-shed v0.1.0 [INFO] [stderr] Downloaded tower-retry v0.1.0 [INFO] [stderr] Downloaded tower-layer v0.1.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.1 [INFO] [stderr] Downloaded libc v0.2.59 [INFO] [stderr] Downloaded tower-limit v0.1.0 [INFO] [stderr] Downloaded tower-timeout v0.1.0 [INFO] [stderr] Downloaded tower-buffer v0.1.0 [INFO] [stderr] Downloaded tower v0.1.0 [INFO] [stderr] Downloaded crossbeam-deque v0.7.1 [INFO] [stderr] Downloaded indexmap v1.0.2 [INFO] [stderr] Downloaded tracing-core v0.1.1 [INFO] [stderr] Downloaded miniz_oxide v0.2.2 [INFO] [stderr] Downloaded flate2 v1.0.9 [INFO] [stderr] Downloaded tracing-timing v0.2.8 [INFO] [stderr] Downloaded hdrhistogram v6.3.4 [INFO] [stderr] Downloaded tracing v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d2c96ac4e68d8f10c57f45ad75f39230940ad76bf802692367002722cfbc6aeb [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" "d2c96ac4e68d8f10c57f45ad75f39230940ad76bf802692367002722cfbc6aeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2c96ac4e68d8f10c57f45ad75f39230940ad76bf802692367002722cfbc6aeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2c96ac4e68d8f10c57f45ad75f39230940ad76bf802692367002722cfbc6aeb", kill_on_drop: false }` [INFO] [stdout] d2c96ac4e68d8f10c57f45ad75f39230940ad76bf802692367002722cfbc6aeb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 332d013f3e252821929f360fedbc041fe9891b500df9da4f77d191c14f20038b [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" "332d013f3e252821929f360fedbc041fe9891b500df9da4f77d191c14f20038b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking tracing-core v0.1.1 [INFO] [stderr] Checking tower-service v0.2.0 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking arrayvec v0.4.10 [INFO] [stderr] Checking tower-layer v0.1.0 [INFO] [stderr] Checking tower-discover v0.1.0 [INFO] [stderr] Checking tower-load-shed v0.1.0 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking tracing v0.1.2 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tower-buffer v0.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking tower-limit v0.1.0 [INFO] [stderr] Checking tower-retry v0.1.0 [INFO] [stderr] Checking tower-timeout v0.1.0 [INFO] [stderr] Checking crossbeam v0.7.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking miniz-sys v0.1.12 [INFO] [stderr] Checking quanta v0.3.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking flate2 v1.0.9 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking hdrhistogram v6.3.4 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tower-util v0.1.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tower v0.1.0 [INFO] [stderr] Checking tokio-threadpool v0.1.15 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tracing-timing v0.2.8 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-mpx v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.95s [INFO] running `Command { std: "docker" "inspect" "332d013f3e252821929f360fedbc041fe9891b500df9da4f77d191c14f20038b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "332d013f3e252821929f360fedbc041fe9891b500df9da4f77d191c14f20038b", kill_on_drop: false }` [INFO] [stdout] 332d013f3e252821929f360fedbc041fe9891b500df9da4f77d191c14f20038b