[INFO] cloning repository https://github.com/bryanburgers/tokio-hang-reproduction [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bryanburgers/tokio-hang-reproduction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Ftokio-hang-reproduction", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Ftokio-hang-reproduction'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cd3a8d23a8b10ff3e253847bce26dd28377c9314 [INFO] testing bryanburgers/tokio-hang-reproduction against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Ftokio-hang-reproduction" "/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/bryanburgers/tokio-hang-reproduction on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bryanburgers/tokio-hang-reproduction [INFO] finished tweaking git repo https://github.com/bryanburgers/tokio-hang-reproduction [INFO] tweaked toml for git repo https://github.com/bryanburgers/tokio-hang-reproduction written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/bryanburgers/tokio-hang-reproduction already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bef4a2ed2c38e4858b0c1536a108568a01a8df99c7789c90d319c8b3edc14e40 [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" "bef4a2ed2c38e4858b0c1536a108568a01a8df99c7789c90d319c8b3edc14e40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bef4a2ed2c38e4858b0c1536a108568a01a8df99c7789c90d319c8b3edc14e40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bef4a2ed2c38e4858b0c1536a108568a01a8df99c7789c90d319c8b3edc14e40", kill_on_drop: false }` [INFO] [stdout] bef4a2ed2c38e4858b0c1536a108568a01a8df99c7789c90d319c8b3edc14e40 [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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8488f19bf8d61e928c48c166400c88ce2311dde0053c7486f16b8d07bbdb4679 [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" "8488f19bf8d61e928c48c166400c88ce2311dde0053c7486f16b8d07bbdb4679", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling arc-swap v0.4.5 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling lambda-attributes v0.1.0 (https://github.com/awslabs/aws-lambda-rust-runtime#ebc5474b) [INFO] [stderr] Compiling tokio v0.2.14 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling pin-project v0.4.8 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling h2 v0.2.4 [INFO] [stderr] Compiling hyper v0.13.4 [INFO] [stderr] Compiling serde_json v1.0.50 [INFO] [stderr] Compiling lambda v0.1.0 (https://github.com/awslabs/aws-lambda-rust-runtime#ebc5474b) [INFO] [stderr] Compiling tokio-hang-reproduction v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 33s [INFO] running `Command { std: "docker" "inspect" "8488f19bf8d61e928c48c166400c88ce2311dde0053c7486f16b8d07bbdb4679", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8488f19bf8d61e928c48c166400c88ce2311dde0053c7486f16b8d07bbdb4679", kill_on_drop: false }` [INFO] [stdout] 8488f19bf8d61e928c48c166400c88ce2311dde0053c7486f16b8d07bbdb4679 [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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b6525e57711e03beddc512b1679af6fa6e5dd1234248cfa31a7b9998b7acd14 [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" "7b6525e57711e03beddc512b1679af6fa6e5dd1234248cfa31a7b9998b7acd14", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling tokio-hang-reproduction v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.28s [INFO] running `Command { std: "docker" "inspect" "7b6525e57711e03beddc512b1679af6fa6e5dd1234248cfa31a7b9998b7acd14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b6525e57711e03beddc512b1679af6fa6e5dd1234248cfa31a7b9998b7acd14", kill_on_drop: false }` [INFO] [stdout] 7b6525e57711e03beddc512b1679af6fa6e5dd1234248cfa31a7b9998b7acd14 [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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e12203d79abe40e309f756f9b59c38d212d627a70687e17c343436f4e9bbc67c [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" "e12203d79abe40e309f756f9b59c38d212d627a70687e17c343436f4e9bbc67c", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tokio_hang_reproduction-51d2131309b35e8d) [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" "e12203d79abe40e309f756f9b59c38d212d627a70687e17c343436f4e9bbc67c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e12203d79abe40e309f756f9b59c38d212d627a70687e17c343436f4e9bbc67c", kill_on_drop: false }` [INFO] [stdout] e12203d79abe40e309f756f9b59c38d212d627a70687e17c343436f4e9bbc67c