[INFO] fetching crate thin_main_loop 0.2.0...
[INFO] testing thin_main_loop-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate thin_main_loop 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate thin_main_loop 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thin_main_loop 0.2.0
[INFO] finished tweaking crates.io crate thin_main_loop 0.2.0
[INFO] tweaked toml for crates.io crate thin_main_loop 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b72b4f7dfa1bb33984592a9d2783024e1b189ba4b7d93998fef0f3e352c1757
[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" "5b72b4f7dfa1bb33984592a9d2783024e1b189ba4b7d93998fef0f3e352c1757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b72b4f7dfa1bb33984592a9d2783024e1b189ba4b7d93998fef0f3e352c1757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b72b4f7dfa1bb33984592a9d2783024e1b189ba4b7d93998fef0f3e352c1757", kill_on_drop: false }`
[INFO] [stdout] 5b72b4f7dfa1bb33984592a9d2783024e1b189ba4b7d93998fef0f3e352c1757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 9a0d57690858ea579a9420c68f021fe26f562ac31a4267190eedb08acc64a96e
[INFO] running `Command { std: "docker" "start" "-a" "9a0d57690858ea579a9420c68f021fe26f562ac31a4267190eedb08acc64a96e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling thin_main_loop v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.12s
[INFO] running `Command { std: "docker" "inspect" "9a0d57690858ea579a9420c68f021fe26f562ac31a4267190eedb08acc64a96e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0d57690858ea579a9420c68f021fe26f562ac31a4267190eedb08acc64a96e", kill_on_drop: false }`
[INFO] [stdout] 9a0d57690858ea579a9420c68f021fe26f562ac31a4267190eedb08acc64a96e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daf19d3c1bcc6ea89d04dad7bf144fa574ab464ed3750013b90ad2565b990bd3
[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" "daf19d3c1bcc6ea89d04dad7bf144fa574ab464ed3750013b90ad2565b990bd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling thin_main_loop v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "daf19d3c1bcc6ea89d04dad7bf144fa574ab464ed3750013b90ad2565b990bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf19d3c1bcc6ea89d04dad7bf144fa574ab464ed3750013b90ad2565b990bd3", kill_on_drop: false }`
[INFO] [stdout] daf19d3c1bcc6ea89d04dad7bf144fa574ab464ed3750013b90ad2565b990bd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 084bf682c7421e026e5e97fa450958edd9ebe60c4e07c4794d7f73931a596caa
[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" "084bf682c7421e026e5e97fa450958edd9ebe60c4e07c4794d7f73931a596caa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/thin_main_loop-5fd2e2f89030a43e
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test mainloop::thread_test ... ok
[INFO] [stdout] test mainloop::asap_static ... ok
[INFO] [stdout] test mainloop::borrowed ... ok
[INFO] [stdout] test mainloop::panic_inside_cb ... ok
[INFO] [stdout] test mainloop::cancel_cb ... ok
[INFO] [stdout] test future::async_fn_test_ref ... ok
[INFO] [stdout] test future::async_fn_test ... ok
[INFO] [stdout] test future::delay_test ... ok
[INFO] [stdout] test mainloop::after ... ok
[INFO] [stdout] test mainloop::interval ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests thin_main_loop
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "084bf682c7421e026e5e97fa450958edd9ebe60c4e07c4794d7f73931a596caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "084bf682c7421e026e5e97fa450958edd9ebe60c4e07c4794d7f73931a596caa", kill_on_drop: false }`
[INFO] [stdout] 084bf682c7421e026e5e97fa450958edd9ebe60c4e07c4794d7f73931a596caa