[INFO] cloning repository https://github.com/hawkw/tokio-deadlock-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hawkw/tokio-deadlock-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawkw%2Ftokio-deadlock-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawkw%2Ftokio-deadlock-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a7f91e84e3cb39629c1026d8de1a7b4b83fde18
[INFO] checking hawkw/tokio-deadlock-repro against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawkw%2Ftokio-deadlock-repro" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hawkw/tokio-deadlock-repro on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hawkw/tokio-deadlock-repro
[INFO] finished tweaking git repo https://github.com/hawkw/tokio-deadlock-repro
[INFO] tweaked toml for git repo https://github.com/hawkw/tokio-deadlock-repro written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/hawkw/tokio-deadlock-repro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 644e737f970f50416ca346a279212cf3f73fb78dbc4561485a1b90264d9fe198
[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" "644e737f970f50416ca346a279212cf3f73fb78dbc4561485a1b90264d9fe198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "644e737f970f50416ca346a279212cf3f73fb78dbc4561485a1b90264d9fe198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "644e737f970f50416ca346a279212cf3f73fb78dbc4561485a1b90264d9fe198", kill_on_drop: false }`
[INFO] [stdout] 644e737f970f50416ca346a279212cf3f73fb78dbc4561485a1b90264d9fe198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ae1ba84f00c6fafe4222af17b40e340d58c1749b1bacd17106b2989d264e81a
[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" "5ae1ba84f00c6fafe4222af17b40e340d58c1749b1bacd17106b2989d264e81a", 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]     Checking rand v0.4.2
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking tokio-executor v0.1.3 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking smallvec v0.6.4
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking tokio-timer v0.2.5 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking tokio-current-thread v0.1.1 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking regex v1.0.2
[INFO] [stderr]     Checking tokio-io v0.1.7 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.5 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking tokio-codec v0.1.0 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking mio-uds v0.6.6
[INFO] [stderr]     Checking parking_lot v0.6.3
[INFO] [stderr]     Checking tokio-fs v0.1.3 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking tokio-reactor v0.1.3 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking env_logger v0.5.12
[INFO] [stderr]     Checking tokio-uds v0.2.1 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking tokio-tcp v0.1.1 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking tokio-udp v0.1.1 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking tokio v0.1.7 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking deadlock-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.17s
[INFO] running `Command { std: "docker" "inspect" "5ae1ba84f00c6fafe4222af17b40e340d58c1749b1bacd17106b2989d264e81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ae1ba84f00c6fafe4222af17b40e340d58c1749b1bacd17106b2989d264e81a", kill_on_drop: false }`
[INFO] [stdout] 5ae1ba84f00c6fafe4222af17b40e340d58c1749b1bacd17106b2989d264e81a