[INFO] fetching crate tiny_future 0.4.0...
[INFO] testing tiny_future-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tiny_future 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tiny_future 0.4.0 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 tiny_future 0.4.0
[INFO] finished tweaking crates.io crate tiny_future 0.4.0
[INFO] tweaked toml for crates.io crate tiny_future 0.4.0 written to /workspace/builds/worker-2/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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3322d060c7cec7f18823ec9837ab08cee4b260c65d6249cfcd095872aae8947
[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" "c3322d060c7cec7f18823ec9837ab08cee4b260c65d6249cfcd095872aae8947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3322d060c7cec7f18823ec9837ab08cee4b260c65d6249cfcd095872aae8947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3322d060c7cec7f18823ec9837ab08cee4b260c65d6249cfcd095872aae8947", kill_on_drop: false }`
[INFO] [stdout] c3322d060c7cec7f18823ec9837ab08cee4b260c65d6249cfcd095872aae8947
[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" "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] [stdout] e91a464b13c58a9379bdc165f6b2b75377dbc357d67d91c08c8f0be93a57eeed
[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" "e91a464b13c58a9379bdc165f6b2b75377dbc357d67d91c08c8f0be93a57eeed", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny_future v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "e91a464b13c58a9379bdc165f6b2b75377dbc357d67d91c08c8f0be93a57eeed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e91a464b13c58a9379bdc165f6b2b75377dbc357d67d91c08c8f0be93a57eeed", kill_on_drop: false }`
[INFO] [stdout] e91a464b13c58a9379bdc165f6b2b75377dbc357d67d91c08c8f0be93a57eeed
[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" "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] d428191a1e260da4543b5746b4b7f0c725614f2354bf6e141fbfafc97b2df4a5
[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" "d428191a1e260da4543b5746b4b7f0c725614f2354bf6e141fbfafc97b2df4a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny_future v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "d428191a1e260da4543b5746b4b7f0c725614f2354bf6e141fbfafc97b2df4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d428191a1e260da4543b5746b4b7f0c725614f2354bf6e141fbfafc97b2df4a5", kill_on_drop: false }`
[INFO] [stdout] d428191a1e260da4543b5746b4b7f0c725614f2354bf6e141fbfafc97b2df4a5
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] a44ea2029bd96031b5c3bddd536077795ec081db2eb649185b79181edafdfc46
[INFO] running `Command { std: "docker" "start" "-a" "a44ea2029bd96031b5c3bddd536077795ec081db2eb649185b79181edafdfc46", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tiny_future-0997ec6be1466072
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::cancel_set_err ... ok
[INFO] [stdout] test test::double_set_err ... ok
[INFO] [stdout] test test::drop_is_canceled ... ok
[INFO] [stdout] test test::cancel_get_err ... ok
[INFO] [stdout] test test::is_ready_and_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tiny_future
[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" "a44ea2029bd96031b5c3bddd536077795ec081db2eb649185b79181edafdfc46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44ea2029bd96031b5c3bddd536077795ec081db2eb649185b79181edafdfc46", kill_on_drop: false }`
[INFO] [stdout] a44ea2029bd96031b5c3bddd536077795ec081db2eb649185b79181edafdfc46