[INFO] fetching crate futures-signals-structs 0.2.0...
[INFO] testing futures-signals-structs-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate futures-signals-structs 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate futures-signals-structs 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 futures-signals-structs 0.2.0
[INFO] finished tweaking crates.io crate futures-signals-structs 0.2.0
[INFO] tweaked toml for crates.io crate futures-signals-structs 0.2.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0771dfb0624610c76a4fb4810698eaa61476980d77f55dd618c0b156cac82c13
[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" "0771dfb0624610c76a4fb4810698eaa61476980d77f55dd618c0b156cac82c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0771dfb0624610c76a4fb4810698eaa61476980d77f55dd618c0b156cac82c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0771dfb0624610c76a4fb4810698eaa61476980d77f55dd618c0b156cac82c13", kill_on_drop: false }`
[INFO] [stdout] 0771dfb0624610c76a4fb4810698eaa61476980d77f55dd618c0b156cac82c13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 95ff81ebf97b883f1a34ad1f0d18413d0866099519d9d4f8149f0396e021ba39
[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" "95ff81ebf97b883f1a34ad1f0d18413d0866099519d9d4f8149f0396e021ba39", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling futures-signals-structs-derive v0.2.0
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-signals v0.3.16
[INFO] [stderr]    Compiling futures-signals-structs-traits v0.2.0
[INFO] [stderr]    Compiling futures-signals-structs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.97s
[INFO] running `Command { std: "docker" "inspect" "95ff81ebf97b883f1a34ad1f0d18413d0866099519d9d4f8149f0396e021ba39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ff81ebf97b883f1a34ad1f0d18413d0866099519d9d4f8149f0396e021ba39", kill_on_drop: false }`
[INFO] [stdout] 95ff81ebf97b883f1a34ad1f0d18413d0866099519d9d4f8149f0396e021ba39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ef005f38c3d71c1022777792d1db7c829d00ecd2e6b947246551382e27b0240
[INFO] running `Command { std: "docker" "start" "-a" "7ef005f38c3d71c1022777792d1db7c829d00ecd2e6b947246551382e27b0240", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-signals-structs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "7ef005f38c3d71c1022777792d1db7c829d00ecd2e6b947246551382e27b0240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef005f38c3d71c1022777792d1db7c829d00ecd2e6b947246551382e27b0240", kill_on_drop: false }`
[INFO] [stdout] 7ef005f38c3d71c1022777792d1db7c829d00ecd2e6b947246551382e27b0240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 9aa269b9742723f8dabae9aefd58ddc8625a4c715815f5a2f4e4253ab6dfacec
[INFO] running `Command { std: "docker" "start" "-a" "9aa269b9742723f8dabae9aefd58ddc8625a4c715815f5a2f4e4253ab6dfacec", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_signals_structs-da819ad1f7b0271a
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-215456e01864b9c6
[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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test allows_composed_structs ... ok
[INFO] [stdout] test gets_as_signal ... ok
[INFO] [stdout] test updates_from_snapshot ... ok
[INFO] [stdout] test updates_composed_structs ... ok
[INFO] [stdout] test is_clonable ... ok
[INFO] [stderr]    Doc-tests futures-signals-structs
[INFO] [stdout] test gets_snapshot ... ok
[INFO] [stdout] test allows_custom_names ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "9aa269b9742723f8dabae9aefd58ddc8625a4c715815f5a2f4e4253ab6dfacec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa269b9742723f8dabae9aefd58ddc8625a4c715815f5a2f4e4253ab6dfacec", kill_on_drop: false }`
[INFO] [stdout] 9aa269b9742723f8dabae9aefd58ddc8625a4c715815f5a2f4e4253ab6dfacec