[INFO] fetching crate signalo_sources 0.5.1...
[INFO] testing signalo_sources-0.5.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate signalo_sources 0.5.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate signalo_sources 0.5.1 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 signalo_sources 0.5.1
[INFO] finished tweaking crates.io crate signalo_sources 0.5.1
[INFO] tweaked toml for crates.io crate signalo_sources 0.5.1 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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abb7ed278ed39d56da6770d4518715989dd567f6edda9930c5197905cdd30b58
[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" "abb7ed278ed39d56da6770d4518715989dd567f6edda9930c5197905cdd30b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abb7ed278ed39d56da6770d4518715989dd567f6edda9930c5197905cdd30b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb7ed278ed39d56da6770d4518715989dd567f6edda9930c5197905cdd30b58", kill_on_drop: false }`
[INFO] [stdout] abb7ed278ed39d56da6770d4518715989dd567f6edda9930c5197905cdd30b58
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d20d5e90ef8fb4b60f510e5850b12de5fa077dc0f912d3ef12da00e4a346f65
[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" "5d20d5e90ef8fb4b60f510e5850b12de5fa077dc0f912d3ef12da00e4a346f65", kill_on_drop: false }`
[INFO] [stderr]    Compiling dimensioned v0.7.0
[INFO] [stderr]    Compiling signalo_traits v0.4.0
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling signalo_sources v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.53s
[INFO] running `Command { std: "docker" "inspect" "5d20d5e90ef8fb4b60f510e5850b12de5fa077dc0f912d3ef12da00e4a346f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d20d5e90ef8fb4b60f510e5850b12de5fa077dc0f912d3ef12da00e4a346f65", kill_on_drop: false }`
[INFO] [stdout] 5d20d5e90ef8fb4b60f510e5850b12de5fa077dc0f912d3ef12da00e4a346f65
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21dcd7f71f0025d0cc9cb6c5c6bdf250f0b2dcbf32e661d342d6a6dbf520158f
[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" "21dcd7f71f0025d0cc9cb6c5c6bdf250f0b2dcbf32e661d342d6a6dbf520158f", kill_on_drop: false }`
[INFO] [stderr]    Compiling nearly_eq v0.2.4
[INFO] [stderr]    Compiling signalo_sources v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "21dcd7f71f0025d0cc9cb6c5c6bdf250f0b2dcbf32e661d342d6a6dbf520158f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21dcd7f71f0025d0cc9cb6c5c6bdf250f0b2dcbf32e661d342d6a6dbf520158f", kill_on_drop: false }`
[INFO] [stdout] 21dcd7f71f0025d0cc9cb6c5c6bdf250f0b2dcbf32e661d342d6a6dbf520158f
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] 1b4eba8a8aa1fd639663f76ab2a1d1c69ea787ffd2938ce0f56a5284a6d919e3
[INFO] running `Command { std: "docker" "start" "-a" "1b4eba8a8aa1fd639663f76ab2a1d1c69ea787ffd2938ce0f56a5284a6d919e3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/signalo_sources-7babb9d8c12863be
[INFO] [stdout] running 18 tests
[INFO] [stderr]    Doc-tests signalo_sources
[INFO] [stdout] test cycle::tests::non_empty ... ok
[INFO] [stdout] test from_iter::tests::test ... ok
[INFO] [stdout] test pad::edge::tests::empty ... ok
[INFO] [stdout] test pad::edge::tests::non_empty ... ok
[INFO] [stdout] test pad::constant::tests::non_empty ... ok
[INFO] [stdout] test cache::tests::test ... ok
[INFO] [stdout] test into_iter::tests::test ... ok
[INFO] [stdout] test increment::tests::test ... ok
[INFO] [stdout] test repeat::tests::test ... ok
[INFO] [stdout] test skip::tests::test ... ok
[INFO] [stdout] test peek::tests::test ... ok
[INFO] [stdout] test take::tests::test ... ok
[INFO] [stdout] test unit_system::tests::test ... ok
[INFO] [stdout] test pad::constant::tests::empty ... ok
[INFO] [stdout] test constant::tests::test ... ok
[INFO] [stdout] test chain::tests::tail_empty ... ok
[INFO] [stdout] test chain::tests::non_empty ... ok
[INFO] [stdout] test chain::tests::head_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/constant.rs - constant::Constant (line 14) ... ok
[INFO] [stdout] test src/skip.rs - skip::Skip (line 15) ... ok
[INFO] [stdout] test src/take.rs - take::Take (line 14) ... ok
[INFO] [stdout] test src/chain.rs - chain::Chain (line 22) ... ok
[INFO] [stdout] test src/increment.rs - increment::Increment (line 16) ... ok
[INFO] [stdout] test src/pad/constant.rs - pad::constant::Pad (line 26) ... ok
[INFO] [stdout] test src/repeat.rs - repeat::Repeat (line 17) ... ok
[INFO] [stdout] test src/pad/edge.rs - pad::edge::Pad (line 30) ... ok
[INFO] [stdout] test src/from_iter.rs - from_iter::FromIter (line 13) ... ok
[INFO] [stdout] test src/into_iter.rs - into_iter::IntoIter (line 13) ... ok
[INFO] [stdout] test src/cycle.rs - cycle::Cycle (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b4eba8a8aa1fd639663f76ab2a1d1c69ea787ffd2938ce0f56a5284a6d919e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b4eba8a8aa1fd639663f76ab2a1d1c69ea787ffd2938ce0f56a5284a6d919e3", kill_on_drop: false }`
[INFO] [stdout] 1b4eba8a8aa1fd639663f76ab2a1d1c69ea787ffd2938ce0f56a5284a6d919e3