[INFO] fetching crate futures-signals-structs 0.2.0...
[INFO] testing futures-signals-structs-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate futures-signals-structs 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate futures-signals-structs 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-signals-structs-derive v0.2.0
[INFO] [stderr]   Downloaded futures-signals-structs-traits v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b251c993fb33270f2b5026a1bac3b436a9fbbb0f112c00d3220df64b08a071bf
[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" "b251c993fb33270f2b5026a1bac3b436a9fbbb0f112c00d3220df64b08a071bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b251c993fb33270f2b5026a1bac3b436a9fbbb0f112c00d3220df64b08a071bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b251c993fb33270f2b5026a1bac3b436a9fbbb0f112c00d3220df64b08a071bf", kill_on_drop: false }`
[INFO] [stdout] b251c993fb33270f2b5026a1bac3b436a9fbbb0f112c00d3220df64b08a071bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4027911cbd44dea1d468ae643b77f0c4b60131f2b74f70b481d51e912589b19
[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" "b4027911cbd44dea1d468ae643b77f0c4b60131f2b74f70b481d51e912589b19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling futures-signals-structs-derive v0.2.0
[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 6.40s
[INFO] running `Command { std: "docker" "inspect" "b4027911cbd44dea1d468ae643b77f0c4b60131f2b74f70b481d51e912589b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4027911cbd44dea1d468ae643b77f0c4b60131f2b74f70b481d51e912589b19", kill_on_drop: false }`
[INFO] [stdout] b4027911cbd44dea1d468ae643b77f0c4b60131f2b74f70b481d51e912589b19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ae1c1c4782d5ae05257304dc88130f184afb713df84b958f2139bacf3270cb7
[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" "6ae1c1c4782d5ae05257304dc88130f184afb713df84b958f2139bacf3270cb7", 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 1.06s
[INFO] running `Command { std: "docker" "inspect" "6ae1c1c4782d5ae05257304dc88130f184afb713df84b958f2139bacf3270cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae1c1c4782d5ae05257304dc88130f184afb713df84b958f2139bacf3270cb7", kill_on_drop: false }`
[INFO] [stdout] 6ae1c1c4782d5ae05257304dc88130f184afb713df84b958f2139bacf3270cb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "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] 6d28f3c2378568566cf58cea77e67e66ab65c7a710fe20d6aaf5e532a0566561
[INFO] running `Command { std: "docker" "start" "-a" "6d28f3c2378568566cf58cea77e67e66ab65c7a710fe20d6aaf5e532a0566561", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_signals_structs-6aba90181cf1cff9
[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] [stderr]      Running /opt/rustwide/target/debug/deps/test-6a3a81d72d08b2ab
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test is_clonable ... ok
[INFO] [stdout] test updates_composed_structs ... ok
[INFO] [stdout] test updates_from_snapshot ... ok
[INFO] [stdout] test gets_as_signal ... ok
[INFO] [stdout] test allows_custom_names ... ok
[INFO] [stdout] test allows_composed_structs ... ok
[INFO] [stdout] test gets_snapshot ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-signals-structs
[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" "6d28f3c2378568566cf58cea77e67e66ab65c7a710fe20d6aaf5e532a0566561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d28f3c2378568566cf58cea77e67e66ab65c7a710fe20d6aaf5e532a0566561", kill_on_drop: false }`
[INFO] [stdout] 6d28f3c2378568566cf58cea77e67e66ab65c7a710fe20d6aaf5e532a0566561