[INFO] fetching crate signalo_sources 0.5.1...
[INFO] testing signalo_sources-0.5.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate signalo_sources 0.5.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate signalo_sources 0.5.1 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 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-1/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 dimensioned v0.7.0
[INFO] [stderr]   Downloaded signalo_traits v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6baee5647e7153eeb96aba7a0ecae97d0f9cffcc42281e39af1508401c59f20
[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" "c6baee5647e7153eeb96aba7a0ecae97d0f9cffcc42281e39af1508401c59f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6baee5647e7153eeb96aba7a0ecae97d0f9cffcc42281e39af1508401c59f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6baee5647e7153eeb96aba7a0ecae97d0f9cffcc42281e39af1508401c59f20", kill_on_drop: false }`
[INFO] [stdout] c6baee5647e7153eeb96aba7a0ecae97d0f9cffcc42281e39af1508401c59f20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fbab75060d35be4fb45c5967037cdb0a87ac5b7c5b5ecb5c7041000e1f4fce6
[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" "2fbab75060d35be4fb45c5967037cdb0a87ac5b7c5b5ecb5c7041000e1f4fce6", kill_on_drop: false }`
[INFO] [stderr]    Compiling dimensioned v0.7.0
[INFO] [stderr]    Compiling signalo_traits v0.4.0
[INFO] [stderr]    Compiling signalo_sources v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.95s
[INFO] running `Command { std: "docker" "inspect" "2fbab75060d35be4fb45c5967037cdb0a87ac5b7c5b5ecb5c7041000e1f4fce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbab75060d35be4fb45c5967037cdb0a87ac5b7c5b5ecb5c7041000e1f4fce6", kill_on_drop: false }`
[INFO] [stdout] 2fbab75060d35be4fb45c5967037cdb0a87ac5b7c5b5ecb5c7041000e1f4fce6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85c32e279c4723071b08c3f91837c05286069c6890fcd024c4037f8fad1651ec
[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" "85c32e279c4723071b08c3f91837c05286069c6890fcd024c4037f8fad1651ec", 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 2.86s
[INFO] running `Command { std: "docker" "inspect" "85c32e279c4723071b08c3f91837c05286069c6890fcd024c4037f8fad1651ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c32e279c4723071b08c3f91837c05286069c6890fcd024c4037f8fad1651ec", kill_on_drop: false }`
[INFO] [stdout] 85c32e279c4723071b08c3f91837c05286069c6890fcd024c4037f8fad1651ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0fc98ac1702aa081a1ea60c0262f1cf949202d24156e82e2d4959178ebc8cd18
[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" "0fc98ac1702aa081a1ea60c0262f1cf949202d24156e82e2d4959178ebc8cd18", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/signalo_sources-af7d8bb3d16018bb
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test cache::tests::test ... ok
[INFO] [stdout] test chain::tests::head_empty ... ok
[INFO] [stdout] test chain::tests::non_empty ... ok
[INFO] [stdout] test cycle::tests::non_empty ... ok
[INFO] [stdout] test from_iter::tests::test ... ok
[INFO] [stdout] test pad::constant::tests::empty ... ok
[INFO] [stdout] test pad::constant::tests::non_empty ... ok
[INFO] [stdout] test into_iter::tests::test ... ok
[INFO] [stdout] test peek::tests::test ... ok
[INFO] [stdout] test repeat::tests::test ... ok
[INFO] [stdout] test pad::edge::tests::non_empty ... ok
[INFO] [stdout] test skip::tests::test ... ok
[INFO] [stdout] test take::tests::test ... ok
[INFO] [stdout] test unit_system::tests::test ... ok
[INFO] [stdout] test chain::tests::tail_empty ... ok
[INFO] [stdout] test pad::edge::tests::empty ... ok
[INFO] [stdout] test constant::tests::test ... ok
[INFO] [stdout] test increment::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests signalo_sources
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/into_iter.rs - into_iter::IntoIter (line 13) ... ok
[INFO] [stdout] test src/constant.rs - constant::Constant (line 14) ... 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/pad/edge.rs - pad::edge::Pad (line 30) ... ok
[INFO] [stdout] test src/repeat.rs - repeat::Repeat (line 17) ... ok
[INFO] [stdout] test src/take.rs - take::Take (line 14) ... ok
[INFO] [stdout] test src/cycle.rs - cycle::Cycle (line 13) ... ok
[INFO] [stdout] test src/skip.rs - skip::Skip (line 15) ... ok
[INFO] [stdout] test src/chain.rs - chain::Chain (line 22) ... ok
[INFO] [stdout] test src/from_iter.rs - from_iter::FromIter (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0fc98ac1702aa081a1ea60c0262f1cf949202d24156e82e2d4959178ebc8cd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc98ac1702aa081a1ea60c0262f1cf949202d24156e82e2d4959178ebc8cd18", kill_on_drop: false }`
[INFO] [stdout] 0fc98ac1702aa081a1ea60c0262f1cf949202d24156e82e2d4959178ebc8cd18