[INFO] fetching crate piow 0.2.1...
[INFO] testing piow-0.2.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate piow 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate piow 0.2.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piow 0.2.1
[INFO] finished tweaking crates.io crate piow 0.2.1
[INFO] tweaked toml for crates.io crate piow 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate piow 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook v0.3.9
[INFO] [stderr]   Downloaded addr2line v0.15.2
[INFO] [stderr]   Downloaded fastrand v1.4.1
[INFO] [stderr]   Downloaded async-io v1.4.1
[INFO] [stderr]   Downloaded backtrace v0.3.60
[INFO] [stderr]   Downloaded docopt v1.1.1
[INFO] [stderr]   Downloaded tokio v1.6.1
[INFO] [stderr]   Downloaded object v0.25.3
[INFO] [stderr]   Downloaded swayipc-types v1.0.0-alpha.3
[INFO] [stderr]   Downloaded async-process v1.1.0
[INFO] [stderr]   Downloaded swayipc-async v2.0.0-alpha.3
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c76a23f8a2ea4c7efc05db14095acf597cd2d9437c39150fa8d8e2f0de50a81
[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" "5c76a23f8a2ea4c7efc05db14095acf597cd2d9437c39150fa8d8e2f0de50a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c76a23f8a2ea4c7efc05db14095acf597cd2d9437c39150fa8d8e2f0de50a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c76a23f8a2ea4c7efc05db14095acf597cd2d9437c39150fa8d8e2f0de50a81", kill_on_drop: false }`
[INFO] [stdout] 5c76a23f8a2ea4c7efc05db14095acf597cd2d9437c39150fa8d8e2f0de50a81
[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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed7e0ec5e7173cfc832c084cc2802a60f6a67f07121f06fac631007925442df6
[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" "ed7e0ec5e7173cfc832c084cc2802a60f6a67f07121f06fac631007925442df6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling polling v2.0.3
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling syslog v5.0.0
[INFO] [stderr]    Compiling async-io v1.4.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling async-process v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling swayipc-types v1.0.0-alpha.3
[INFO] [stderr]    Compiling swayipc-async v2.0.0-alpha.3
[INFO] [stderr]    Compiling piow v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.58s
[INFO] running `Command { std: "docker" "inspect" "ed7e0ec5e7173cfc832c084cc2802a60f6a67f07121f06fac631007925442df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7e0ec5e7173cfc832c084cc2802a60f6a67f07121f06fac631007925442df6", kill_on_drop: false }`
[INFO] [stdout] ed7e0ec5e7173cfc832c084cc2802a60f6a67f07121f06fac631007925442df6
[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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a326b490effbe59cdef6de8304295ec1f7ee704c2c6e1ed484606f6a8705239
[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" "4a326b490effbe59cdef6de8304295ec1f7ee704c2c6e1ed484606f6a8705239", kill_on_drop: false }`
[INFO] [stderr]    Compiling piow v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "4a326b490effbe59cdef6de8304295ec1f7ee704c2c6e1ed484606f6a8705239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a326b490effbe59cdef6de8304295ec1f7ee704c2c6e1ed484606f6a8705239", kill_on_drop: false }`
[INFO] [stdout] 4a326b490effbe59cdef6de8304295ec1f7ee704c2c6e1ed484606f6a8705239
[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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e90c4967cae0d29d616f72cb2833e54ff325631276d41055dc277333f303c487
[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" "e90c4967cae0d29d616f72cb2833e54ff325631276d41055dc277333f303c487", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/piow-9eb9532d07fa237f)
[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" "e90c4967cae0d29d616f72cb2833e54ff325631276d41055dc277333f303c487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90c4967cae0d29d616f72cb2833e54ff325631276d41055dc277333f303c487", kill_on_drop: false }`
[INFO] [stdout] e90c4967cae0d29d616f72cb2833e54ff325631276d41055dc277333f303c487
