[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] testing jonhoo/tower-buffer-benchmark against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Ftower-buffer-benchmark" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jonhoo/tower-buffer-benchmark on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 707b9ee4c01d78a84094c0ac94c2932afaca7d80292fcd693259a2ea1722daa0 [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" "707b9ee4c01d78a84094c0ac94c2932afaca7d80292fcd693259a2ea1722daa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "707b9ee4c01d78a84094c0ac94c2932afaca7d80292fcd693259a2ea1722daa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "707b9ee4c01d78a84094c0ac94c2932afaca7d80292fcd693259a2ea1722daa0", kill_on_drop: false }` [INFO] [stdout] 707b9ee4c01d78a84094c0ac94c2932afaca7d80292fcd693259a2ea1722daa0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 351b381806a8cd28755699dbe7d56d4e0e4bafebd5e8eebb00a477d1bb2079c7 [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" "351b381806a8cd28755699dbe7d56d4e0e4bafebd5e8eebb00a477d1bb2079c7", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stderr] Compiling tower-service v0.2.0 [INFO] [stderr] Compiling tracing-core v0.1.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling tokio-sync v0.1.6 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling tower-layer v0.1.0 [INFO] [stderr] Compiling tower-discover v0.1.0 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling tower-load-shed v0.1.0 [INFO] [stderr] Compiling tracing v0.1.2 [INFO] [stderr] Compiling lock_api v0.1.5 [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] Compiling tokio-executor v0.1.8 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crossbeam-channel v0.3.8 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling tower-buffer v0.1.0 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling quanta v0.3.1 [INFO] [stderr] Compiling tower-timeout v0.1.0 [INFO] [stderr] Compiling tower-retry v0.1.0 [INFO] [stderr] Compiling tower-limit v0.1.0 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling crossbeam v0.7.1 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling flate2 v1.0.9 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling tower-util v0.1.0 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [INFO] [stderr] Compiling tower v0.1.0 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling hdrhistogram v6.3.4 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [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 tracing-timing v0.2.8 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-mpx v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.23s [INFO] running `Command { std: "docker" "inspect" "351b381806a8cd28755699dbe7d56d4e0e4bafebd5e8eebb00a477d1bb2079c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "351b381806a8cd28755699dbe7d56d4e0e4bafebd5e8eebb00a477d1bb2079c7", kill_on_drop: false }` [INFO] [stdout] 351b381806a8cd28755699dbe7d56d4e0e4bafebd5e8eebb00a477d1bb2079c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", 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] 93f95f79c637e1a1858588f91c654ef0ca98715c3b928934d4746c0c29666c2d [INFO] running `Command { std: "docker" "start" "-a" "93f95f79c637e1a1858588f91c654ef0ca98715c3b928934d4746c0c29666c2d", kill_on_drop: false }` [INFO] [stderr] Compiling tokio-mpx v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.35s [INFO] running `Command { std: "docker" "inspect" "93f95f79c637e1a1858588f91c654ef0ca98715c3b928934d4746c0c29666c2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93f95f79c637e1a1858588f91c654ef0ca98715c3b928934d4746c0c29666c2d", kill_on_drop: false }` [INFO] [stdout] 93f95f79c637e1a1858588f91c654ef0ca98715c3b928934d4746c0c29666c2d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b538e105f21cf23df4c9d68f70f9117287e215ae50f0d137b47a5749dd355a70 [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" "b538e105f21cf23df4c9d68f70f9117287e215ae50f0d137b47a5749dd355a70", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.42s [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/buffer-cc7f9962629df762) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/channel-6f737bbd85361631) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/timing-2286dfc371520409) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b538e105f21cf23df4c9d68f70f9117287e215ae50f0d137b47a5749dd355a70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b538e105f21cf23df4c9d68f70f9117287e215ae50f0d137b47a5749dd355a70", kill_on_drop: false }` [INFO] [stdout] b538e105f21cf23df4c9d68f70f9117287e215ae50f0d137b47a5749dd355a70