[INFO] fetching crate slice_ring_buf 0.2.6...
[INFO] testing slice_ring_buf-0.2.6 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate slice_ring_buf 0.2.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate slice_ring_buf 0.2.6 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slice_ring_buf 0.2.6
[INFO] finished tweaking crates.io crate slice_ring_buf 0.2.6
[INFO] tweaked toml for crates.io crate slice_ring_buf 0.2.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", 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] 7415d91be7485adb1543c55d9ac2ddf1f8bd6a4b425e0783a89dda3704554749
[INFO] running `Command { std: "docker" "start" "-a" "7415d91be7485adb1543c55d9ac2ddf1f8bd6a4b425e0783a89dda3704554749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7415d91be7485adb1543c55d9ac2ddf1f8bd6a4b425e0783a89dda3704554749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7415d91be7485adb1543c55d9ac2ddf1f8bd6a4b425e0783a89dda3704554749", kill_on_drop: false }`
[INFO] [stdout] 7415d91be7485adb1543c55d9ac2ddf1f8bd6a4b425e0783a89dda3704554749
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a143b8433552c4d94679f422374766ea969f1ce3bd2766d1d11dfd6e7d62033
[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" "7a143b8433552c4d94679f422374766ea969f1ce3bd2766d1d11dfd6e7d62033", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice_ring_buf v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "7a143b8433552c4d94679f422374766ea969f1ce3bd2766d1d11dfd6e7d62033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a143b8433552c4d94679f422374766ea969f1ce3bd2766d1d11dfd6e7d62033", kill_on_drop: false }`
[INFO] [stdout] 7a143b8433552c4d94679f422374766ea969f1ce3bd2766d1d11dfd6e7d62033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6c0bbaf50041bc547a3b5cd0674bb077b31fbf6e63717bedf59aa606b27c26b
[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" "c6c0bbaf50041bc547a3b5cd0674bb077b31fbf6e63717bedf59aa606b27c26b", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice_ring_buf v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "c6c0bbaf50041bc547a3b5cd0674bb077b31fbf6e63717bedf59aa606b27c26b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c0bbaf50041bc547a3b5cd0674bb077b31fbf6e63717bedf59aa606b27c26b", kill_on_drop: false }`
[INFO] [stdout] c6c0bbaf50041bc547a3b5cd0674bb077b31fbf6e63717bedf59aa606b27c26b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 224a5851066f281f602d5ba0d43e50548c28d6441db4626e629fdbb8ea491608
[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" "224a5851066f281f602d5ba0d43e50548c28d6441db4626e629fdbb8ea491608", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slice_ring_buf-bb4aaaa063c98e74)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_as_mut_slices ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_as_mut_slices_len ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_as_mut_slices_latest ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_as_slices_latest ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_as_slices_len ... ok
[INFO] [stdout] test tests::slice_ring_buf_as_mut_slices ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_initialize ... ok
[INFO] [stdout] test tests::slice_ring_buf_as_mut_slices_latest ... ok
[INFO] [stdout] test tests::slice_ring_buf_as_slices ... ok
[INFO] [stdout] test tests::slice_ring_buf_as_slices_latest ... ok
[INFO] [stdout] test tests::slice_ring_buf_as_mut_slices_len ... ok
[INFO] [stdout] test tests::slice_ring_buf_as_slices_len ... ok
[INFO] [stdout] test tests::slice_ring_buf_index ... ok
[INFO] [stdout] test tests::slice_ring_buf_clear ... ok
[INFO] [stdout] test tests::slice_ring_buf_clear_set_len ... ok
[INFO] [stdout] test tests::slice_ring_buf_index_mut ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_clear ... ok
[INFO] [stdout] test tests::slice_ring_buf_constrain ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_constrain ... ok
[INFO] [stdout] test tests::slice_ring_buf_initialize_uninit ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_write_latest_2 ... ok
[INFO] [stdout] test tests::slice_ring_buf_initialize ... ok
[INFO] [stdout] test tests::slice_ring_buf_write_latest ... ok
[INFO] [stdout] test tests::slice_ring_buf_write_latest_2 ... ok
[INFO] [stdout] test tests::slice_ring_buf_read_into ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_write_latest ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_index_mut ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_as_slices ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_read_into ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_index ... ok
[INFO] [stdout] test tests::slice_ring_buf_set_len ... ok
[INFO] [stdout] test tests::slice_ring_buf_set_len_uninit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slice_ring_buf
[INFO] [stdout] 
[INFO] [stdout] running 49 tests
[INFO] [stdout] test src/lib.rs - SliceRB<T>::as_slices (line 470) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::clear (line 360) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::from_len_uninit (line 164) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::from_len (line 89) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::as_slices_latest (line 595) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::as_slices_len (line 526) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::at_mut (line 1297) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::capacity (line 1100) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::constrain (line 1127) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::from_len_with_capacity (line 125) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::clear_set_len (line 237) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::as_mut_slices_latest (line 804) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::as_mut_slices_len (line 732) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::at (line 1262) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::as_mut_slices (line 673) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::raw_at_mut (line 1226) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::from_len_with_capacity_uninit (line 206) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::len (line 1083) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::raw_data_mut (line 1175) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::as_mut_slices_latest (line 413) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::read_into (line 880) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::reserve_exact (line 416) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::raw_data (line 1155) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::raw_at (line 1197) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::shrink_to_fit (line 440) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::write_latest_2 (line 1036) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::reserve (line 387) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::set_len (line 276) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::as_mut_slices_len (line 345) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::as_mut_slices (line 290) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::as_slices (line 100) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::set_len_uninit (line 319) ... ok
[INFO] [stdout] test src/lib.rs - SliceRB<T>::write_latest (line 953) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::constrain (line 711) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::at_mut (line 871) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::as_slices_len (line 152) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::as_slices_latest (line 217) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::at (line 841) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::clear (line 60) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::new (line 27) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::len (line 683) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::raw_at_mut (line 804) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::write_latest (line 552) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::raw_data_mut (line 757) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::raw_at (line 776) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::read_into (line 484) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::raw_data (line 740) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef::write_latest_2 (line 634) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 49 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "224a5851066f281f602d5ba0d43e50548c28d6441db4626e629fdbb8ea491608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224a5851066f281f602d5ba0d43e50548c28d6441db4626e629fdbb8ea491608", kill_on_drop: false }`
[INFO] [stdout] 224a5851066f281f602d5ba0d43e50548c28d6441db4626e629fdbb8ea491608