[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] testing hawkw/tokio-deadlock-repro against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawkw%2Ftokio-deadlock-repro" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hawkw/tokio-deadlock-repro on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tokio.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lock_api v0.1.3
[INFO] [stderr]   Downloaded mio-uds v0.6.6
[INFO] [stderr]   Downloaded wincolor v1.0.0
[INFO] [stderr]   Downloaded env_logger v0.5.12
[INFO] [stderr]   Downloaded aho-corasick v0.6.6
[INFO] [stderr]   Downloaded regex v1.0.2
[INFO] [stderr]   Downloaded termcolor v1.0.1
[INFO] [stderr]   Downloaded byteorder v1.2.4
[INFO] [stderr]   Downloaded parking_lot v0.6.3
[INFO] [stderr]   Downloaded lazycell v0.6.0
[INFO] [stderr]   Downloaded smallvec v0.6.4
[INFO] [stderr]   Downloaded bytes v0.4.9
[INFO] [stderr]   Downloaded futures v0.1.23
[INFO] [stderr]   Downloaded mio v0.6.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", 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] 25389ea9e62382b106061550ed2a6cc6282ce6d12eba155dd5d709dad8cfb69b
[INFO] running `Command { std: "docker" "start" "-a" "25389ea9e62382b106061550ed2a6cc6282ce6d12eba155dd5d709dad8cfb69b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25389ea9e62382b106061550ed2a6cc6282ce6d12eba155dd5d709dad8cfb69b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25389ea9e62382b106061550ed2a6cc6282ce6d12eba155dd5d709dad8cfb69b", kill_on_drop: false }`
[INFO] [stdout] 25389ea9e62382b106061550ed2a6cc6282ce6d12eba155dd5d709dad8cfb69b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed8dd631e0e5e2eaaaadfede081477f27270cb8f99eab1c5a4a40fc326ab0403
[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" "ed8dd631e0e5e2eaaaadfede081477f27270cb8f99eab1c5a4a40fc326ab0403", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling tokio-executor v0.1.3 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]    Compiling smallvec v0.6.4
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling tokio-current-thread v0.1.1 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]    Compiling tokio-timer v0.2.5 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling bytes v0.4.9
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling tokio-io v0.1.7 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.6.3
[INFO] [stderr]    Compiling mio-uds v0.6.6
[INFO] [stderr]    Compiling tokio-codec v0.1.0 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]    Compiling tokio-reactor v0.1.3 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]    Compiling tokio-threadpool v0.1.5 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]    Compiling tokio-udp v0.1.1 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]    Compiling tokio-tcp v0.1.1 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]    Compiling tokio-uds v0.2.1 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]    Compiling tokio-fs v0.1.3 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling tokio v0.1.7 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]    Compiling env_logger v0.5.12
[INFO] [stderr]    Compiling deadlock-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.64s
[INFO] running `Command { std: "docker" "inspect" "ed8dd631e0e5e2eaaaadfede081477f27270cb8f99eab1c5a4a40fc326ab0403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8dd631e0e5e2eaaaadfede081477f27270cb8f99eab1c5a4a40fc326ab0403", kill_on_drop: false }`
[INFO] [stdout] ed8dd631e0e5e2eaaaadfede081477f27270cb8f99eab1c5a4a40fc326ab0403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] 65f11a12c9ea4e3097aa0b7a8b43f611bde6b2d292182663e9124efc086f9f3a
[INFO] running `Command { std: "docker" "start" "-a" "65f11a12c9ea4e3097aa0b7a8b43f611bde6b2d292182663e9124efc086f9f3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling deadlock-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "65f11a12c9ea4e3097aa0b7a8b43f611bde6b2d292182663e9124efc086f9f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f11a12c9ea4e3097aa0b7a8b43f611bde6b2d292182663e9124efc086f9f3a", kill_on_drop: false }`
[INFO] [stdout] 65f11a12c9ea4e3097aa0b7a8b43f611bde6b2d292182663e9124efc086f9f3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", 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] f529e49e4a4a609f4cef95cd51327228e12e3f4710925d99f0cea32bb84ee49a
[INFO] running `Command { std: "docker" "start" "-a" "f529e49e4a4a609f4cef95cd51327228e12e3f4710925d99f0cea32bb84ee49a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/deadlock_repro-6d408316d7606719)
[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" "f529e49e4a4a609f4cef95cd51327228e12e3f4710925d99f0cea32bb84ee49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f529e49e4a4a609f4cef95cd51327228e12e3f4710925d99f0cea32bb84ee49a", kill_on_drop: false }`
[INFO] [stdout] f529e49e4a4a609f4cef95cd51327228e12e3f4710925d99f0cea32bb84ee49a