[INFO] fetching crate froop 0.1.1...
[INFO] testing froop-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate froop 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate froop 0.1.1 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 froop 0.1.1
[INFO] finished tweaking crates.io crate froop 0.1.1
[INFO] tweaked toml for crates.io crate froop 0.1.1 written to /workspace/builds/worker-6/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 40ab1feb94651c9e8428cabc4baf36b1e4b3e3eb4f97206bf8158d107b653085
[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" "40ab1feb94651c9e8428cabc4baf36b1e4b3e3eb4f97206bf8158d107b653085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40ab1feb94651c9e8428cabc4baf36b1e4b3e3eb4f97206bf8158d107b653085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40ab1feb94651c9e8428cabc4baf36b1e4b3e3eb4f97206bf8158d107b653085", kill_on_drop: false }`
[INFO] [stdout] 40ab1feb94651c9e8428cabc4baf36b1e4b3e3eb4f97206bf8158d107b653085
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 306361b508d290784abac916cfa4b355e3aed2dc0c8f63269783ef4079ea0572
[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" "306361b508d290784abac916cfa4b355e3aed2dc0c8f63269783ef4079ea0572", kill_on_drop: false }`
[INFO] [stderr]    Compiling froop v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "306361b508d290784abac916cfa4b355e3aed2dc0c8f63269783ef4079ea0572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "306361b508d290784abac916cfa4b355e3aed2dc0c8f63269783ef4079ea0572", kill_on_drop: false }`
[INFO] [stdout] 306361b508d290784abac916cfa4b355e3aed2dc0c8f63269783ef4079ea0572
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] fd148ce62d64f032e7b307f89b728e71864d053dc4a735b9dbc950a6e9321f84
[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" "fd148ce62d64f032e7b307f89b728e71864d053dc4a735b9dbc950a6e9321f84", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling froop v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 32.10s
[INFO] running `Command { std: "docker" "inspect" "fd148ce62d64f032e7b307f89b728e71864d053dc4a735b9dbc950a6e9321f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd148ce62d64f032e7b307f89b728e71864d053dc4a735b9dbc950a6e9321f84", kill_on_drop: false }`
[INFO] [stdout] fd148ce62d64f032e7b307f89b728e71864d053dc4a735b9dbc950a6e9321f84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0be42a5f023de831f3f9a70b7ec592ed15c988168f1be3d10256349edce80969
[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" "0be42a5f023de831f3f9a70b7ec592ed15c988168f1be3d10256349edce80969", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] running 12 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/froop-08fac46f0f8e83a1
[INFO] [stdout] test peg::test::test_peg_keep_mode ... ok
[INFO] [stdout] test peg::test::test_peg_no_keep ... ok
[INFO] [stdout] test test::test_combine ... ok
[INFO] [stdout] test test::test_fold_and_last ... ok
[INFO] [stdout] test test::test_of ... ok
[INFO] [stdout] test test::test_sink_auto_traits ... ok
[INFO] [stdout] test test::test_fold_and_remember ... ok
[INFO] [stdout] test test::test_stream_auto_traits ... ok
[INFO] [stdout] test test::test_subscription_auto_traits ... ok
[INFO] [stdout] test test::test_imitate_cycle ... ok
[INFO] [stdout] test test::test_imitate ... ok
[INFO] [stdout] test test::test_chained_maps ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests froop
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test src/imit.rs - imit::Imitator (line 24) ... ok
[INFO] [stdout] test src/lib.rs - Sink<T>::update (line 1107) ... ok
[INFO] [stdout] test src/lib.rs - Stream<Stream<T>>::flatten_concurrently (line 1010) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::collect (line 270) ... ok
[INFO] [stdout] test src/lib.rs - Sink<T>::stream (line 1077) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::dedupe (line 310) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::end_when (line 465) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::dedupe_by (line 334) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::filter (line 502) ... ok
[INFO] [stdout] test src/imit.rs - imit::Imitator<T>::stream (line 113) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::drop_while (line 424) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::drop (line 395) ... ok
[INFO] [stdout] test src/lib.rs - Stream<Stream<T>>::flatten (line 957) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::fold (line 542) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::has_memory (line 197) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::last (line 606) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::never (line 172) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::sink (line 129) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::map (line 642) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::of (line 148) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::merge (line 698) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::map_to (line 676) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::remember (line 745) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::start_with (line 831) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::take (line 856) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::wait (line 918) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::take_while (line 881) ... ok
[INFO] [stdout] test src/sub.rs - sub::Subscription (line 53) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::sample_combine (line 784) ... ok
[INFO] [stdout] test src/sub.rs - sub::Subscription (line 72) ... ok
[INFO] [stdout] test src/lib.rs - Stream<T>::subscribe (line 230) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0be42a5f023de831f3f9a70b7ec592ed15c988168f1be3d10256349edce80969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be42a5f023de831f3f9a70b7ec592ed15c988168f1be3d10256349edce80969", kill_on_drop: false }`
[INFO] [stdout] 0be42a5f023de831f3f9a70b7ec592ed15c988168f1be3d10256349edce80969