[INFO] cloning repository https://github.com/pandaman64/hyper-hang-tokio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pandaman64/hyper-hang-tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Fhyper-hang-tokio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Fhyper-hang-tokio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6da01679a65a3f4ca64855cf06e81170c0d2d7e4
[INFO] checking pandaman64/hyper-hang-tokio against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Fhyper-hang-tokio" "/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/pandaman64/hyper-hang-tokio on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pandaman64/hyper-hang-tokio
[INFO] finished tweaking git repo https://github.com/pandaman64/hyper-hang-tokio
[INFO] tweaked toml for git repo https://github.com/pandaman64/hyper-hang-tokio written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/pandaman64/hyper-hang-tokio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "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-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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6df5242135342b2b11974d0110ede3266fad0c54c5a018bdbbe5348cbe4387b3
[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" "6df5242135342b2b11974d0110ede3266fad0c54c5a018bdbbe5348cbe4387b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6df5242135342b2b11974d0110ede3266fad0c54c5a018bdbbe5348cbe4387b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df5242135342b2b11974d0110ede3266fad0c54c5a018bdbbe5348cbe4387b3", kill_on_drop: false }`
[INFO] [stdout] 6df5242135342b2b11974d0110ede3266fad0c54c5a018bdbbe5348cbe4387b3
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 894a51551cb0dee820e39bf5d30754e564d790e79a7e006fe2cb2f17aae2c7a5
[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" "894a51551cb0dee820e39bf5d30754e564d790e79a7e006fe2cb2f17aae2c7a5", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.14
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking hyperlocal v0.7.0
[INFO] [stderr]     Checking tokio-hang-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.49s
[INFO] running `Command { std: "docker" "inspect" "894a51551cb0dee820e39bf5d30754e564d790e79a7e006fe2cb2f17aae2c7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "894a51551cb0dee820e39bf5d30754e564d790e79a7e006fe2cb2f17aae2c7a5", kill_on_drop: false }`
[INFO] [stdout] 894a51551cb0dee820e39bf5d30754e564d790e79a7e006fe2cb2f17aae2c7a5