[INFO] fetching crate async-tun 0.9.0...
[INFO] testing async-tun-0.9.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate async-tun 0.9.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate async-tun 0.9.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-tun 0.9.0
[INFO] finished tweaking crates.io crate async-tun 0.9.0
[INFO] tweaked toml for crates.io crate async-tun 0.9.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate async-tun 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e63abc1f9cdfa2e91ea2c7919af08535ccf4588ac94d0dab02d11ee8293c5e4
[INFO] running `Command { std: "docker" "start" "-a" "6e63abc1f9cdfa2e91ea2c7919af08535ccf4588ac94d0dab02d11ee8293c5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e63abc1f9cdfa2e91ea2c7919af08535ccf4588ac94d0dab02d11ee8293c5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e63abc1f9cdfa2e91ea2c7919af08535ccf4588ac94d0dab02d11ee8293c5e4", kill_on_drop: false }`
[INFO] [stdout] 6e63abc1f9cdfa2e91ea2c7919af08535ccf4588ac94d0dab02d11ee8293c5e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 510e40fac3df5e2d73c6e5b8ef25a49369e46c876b53c65c3858e39384b2283b
[INFO] running `Command { std: "docker" "start" "-a" "510e40fac3df5e2d73c6e5b8ef25a49369e46c876b53c65c3858e39384b2283b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling mac_address v1.1.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling nix v0.21.0
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling async-tun v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.50s
[INFO] running `Command { std: "docker" "inspect" "510e40fac3df5e2d73c6e5b8ef25a49369e46c876b53c65c3858e39384b2283b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "510e40fac3df5e2d73c6e5b8ef25a49369e46c876b53c65c3858e39384b2283b", kill_on_drop: false }`
[INFO] [stdout] 510e40fac3df5e2d73c6e5b8ef25a49369e46c876b53c65c3858e39384b2283b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 033c9002fb2337e4da749217ebacffba1dbdf8444e1817213be5b6b4cfa04a6b
[INFO] running `Command { std: "docker" "start" "-a" "033c9002fb2337e4da749217ebacffba1dbdf8444e1817213be5b6b4cfa04a6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-tun v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "033c9002fb2337e4da749217ebacffba1dbdf8444e1817213be5b6b4cfa04a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033c9002fb2337e4da749217ebacffba1dbdf8444e1817213be5b6b4cfa04a6b", kill_on_drop: false }`
[INFO] [stdout] 033c9002fb2337e4da749217ebacffba1dbdf8444e1817213be5b6b4cfa04a6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3e34a41dd0bdcd72fc415dff4dfe82dca95d2e751ef7d1a7af9ff126f28cb34
[INFO] running `Command { std: "docker" "start" "-a" "d3e34a41dd0bdcd72fc415dff4dfe82dca95d2e751ef7d1a7af9ff126f28cb34", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_tun-b059d55b5541929b)
[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] [stderr]    Doc-tests async-tun
[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" "d3e34a41dd0bdcd72fc415dff4dfe82dca95d2e751ef7d1a7af9ff126f28cb34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e34a41dd0bdcd72fc415dff4dfe82dca95d2e751ef7d1a7af9ff126f28cb34", kill_on_drop: false }`
[INFO] [stdout] d3e34a41dd0bdcd72fc415dff4dfe82dca95d2e751ef7d1a7af9ff126f28cb34