[INFO] fetching crate st_ring_buffer 1.0.0...
[INFO] testing st_ring_buffer-1.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate st_ring_buffer 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate st_ring_buffer 1.0.0
[INFO] finished tweaking crates.io crate st_ring_buffer 1.0.0
[INFO] tweaked toml for crates.io crate st_ring_buffer 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate st_ring_buffer 1.0.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding test-case v2.2.2 (available: v3.3.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cd5eea9ea59033ced6cb64194ff008857bd6f2f7d0bb1b0db4e454a5b250f29
[INFO] running `Command { std: "docker" "start" "-a" "6cd5eea9ea59033ced6cb64194ff008857bd6f2f7d0bb1b0db4e454a5b250f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cd5eea9ea59033ced6cb64194ff008857bd6f2f7d0bb1b0db4e454a5b250f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd5eea9ea59033ced6cb64194ff008857bd6f2f7d0bb1b0db4e454a5b250f29", kill_on_drop: false }`
[INFO] [stdout] 6cd5eea9ea59033ced6cb64194ff008857bd6f2f7d0bb1b0db4e454a5b250f29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e47cb8a43f0467c7c0d7b17d8866af494468473c878cb2d77583010f16b06696
[INFO] running `Command { std: "docker" "start" "-a" "e47cb8a43f0467c7c0d7b17d8866af494468473c878cb2d77583010f16b06696", kill_on_drop: false }`
[INFO] [stderr]    Compiling st_ring_buffer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "e47cb8a43f0467c7c0d7b17d8866af494468473c878cb2d77583010f16b06696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47cb8a43f0467c7c0d7b17d8866af494468473c878cb2d77583010f16b06696", kill_on_drop: false }`
[INFO] [stdout] e47cb8a43f0467c7c0d7b17d8866af494468473c878cb2d77583010f16b06696
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94744aeeee64d44abb0ff795872fc8b3994dc7e9a918d5acfbc5eee0dd768b71
[INFO] running `Command { std: "docker" "start" "-a" "94744aeeee64d44abb0ff795872fc8b3994dc7e9a918d5acfbc5eee0dd768b71", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling test-case-macros v2.2.2
[INFO] [stderr]    Compiling test-case v2.2.2
[INFO] [stderr]    Compiling st_ring_buffer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "94744aeeee64d44abb0ff795872fc8b3994dc7e9a918d5acfbc5eee0dd768b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94744aeeee64d44abb0ff795872fc8b3994dc7e9a918d5acfbc5eee0dd768b71", kill_on_drop: false }`
[INFO] [stdout] 94744aeeee64d44abb0ff795872fc8b3994dc7e9a918d5acfbc5eee0dd768b71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e095b10ee645ad2f4d502e4beb571e5d5f5546ced90dadf29c49f3c88fc80ea
[INFO] running `Command { std: "docker" "start" "-a" "4e095b10ee645ad2f4d502e4beb571e5d5f5546ced90dadf29c49f3c88fc80ea", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/st_ring_buffer-b9309557e4303bc3)
[INFO] [stdout] 
[INFO] [stdout] running 49 tests
[INFO] [stdout] test tests::align::_mut_heapstringbuffer_new_5_expects ... ok
[INFO] [stdout] test tests::align::_mut_stringbuffer_5_new_expects ... ok
[INFO] [stdout] test tests::align_linear::_mut_heapstringbuffer_new_5_expects ... ok
[INFO] [stdout] test tests::basic::_mut_heapstringbuffer_new_5_expects ... ok
[INFO] [stdout] test tests::align_linear::_mut_stringbuffer_5_new_expects ... ok
[INFO] [stdout] test tests::basic::_mut_stringbuffer_5_new_expects ... ok
[INFO] [stdout] test tests::basic_str::_mut_heapstringbuffer_new_5_expects ... ok
[INFO] [stdout] test tests::basic_str::_mut_stringbuffer_5_new_expects ... ok
[INFO] [stdout] test tests::big_char_small_gap::_mut_heapstringbuffer_new_4_expects ... ok
[INFO] [stdout] test tests::big_char_small_gap::_mut_stringbuffer_4_new_expects ... ok
[INFO] [stdout] test tests::big_edge::_mut_heapstringbuffer_new_5_expects ... ok
[INFO] [stdout] test tests::big_edge::_mut_stringbuffer_5_new_expects ... ok
[INFO] [stdout] test tests::big_edge_str::_mut_heapstringbuffer_new_5_expects ... ok
[INFO] [stdout] test tests::big_edge_str::_mut_stringbuffer_5_new_expects ... ok
[INFO] [stdout] test tests::from_box_slice ... ok
[INFO] [stdout] test tests::from_string ... ok
[INFO] [stdout] test tests::from_vec ... ok
[INFO] [stdout] test tests::next_char_boundary_simple ... ok
[INFO] [stdout] test tests::next_char_boundary_none ... ok
[INFO] [stdout] test tests::pop_char::_mut_heapstringbuffer_new_4_expects ... ok
[INFO] [stdout] test tests::next_char_boundary_three_byte ... ok
[INFO] [stdout] test tests::next_char_boundary_two_byte ... ok
[INFO] [stdout] test tests::pop_char::_mut_stringbuffer_4_new_expects ... ok
[INFO] [stdout] test tests::pop_front::_mut_heapstringbuffer_new_4_expects ... ok
[INFO] [stdout] test tests::pop_front::_mut_stringbuffer_4_new_expects ... ok
[INFO] [stdout] test tests::pop_front_to_empty::_mut_heapstringbuffer_new_4_expects ... ok
[INFO] [stdout] test tests::pop_front_to_empty::_mut_stringbuffer_4_new_expects ... ok
[INFO] [stdout] test tests::pop_to_empty::_mut_heapstringbuffer_new_4_expects ... ok
[INFO] [stdout] test tests::pop_to_empty::_mut_stringbuffer_4_new_expects ... ok
[INFO] [stdout] test tests::prev_char_boundary_none ... ok
[INFO] [stdout] test tests::prev_char_boundary_simple ... ok
[INFO] [stdout] test tests::prev_char_boundary_three_byte ... ok
[INFO] [stdout] test tests::test_sync ... ok
[INFO] [stdout] test tests::test_send ... ok
[INFO] [stdout] test tests::too_big::_mut_heapstringbuffer_new_3_expects ... ok
[INFO] [stdout] test tests::too_big::_mut_stringbuffer_3_new_expects ... ok
[INFO] [stdout] test tests::prev_char_boundary_two_byte ... ok
[INFO] [stdout] test tests::try_char::_mut_heapstringbuffer_new_3_expects ... ok
[INFO] [stdout] test tests::too_big_str::_mut_heapstringbuffer_new_3_expects ... ok
[INFO] [stdout] test tests::try_push_some::_mut_heapstringbuffer_new_3_expects ... ok
[INFO] [stdout] test tests::try_char::_mut_stringbuffer_3_new_expects ... ok
[INFO] [stdout] test tests::try_push_some::_mut_stringbuffer_3_new_expects ... ok
[INFO] [stdout] test tests::too_big_str::_mut_stringbuffer_3_new_expects ... ok
[INFO] [stdout] test tests::try_str_all::_mut_stringbuffer_3_new_expects ... ok
[INFO] [stdout] test tests::two_byte_str::_mut_stringbuffer_3_new_expects ... ok
[INFO] [stdout] test tests::two_byte::_mut_heapstringbuffer_new_3_expects ... ok
[INFO] [stdout] test tests::two_byte::_mut_stringbuffer_3_new_expects ... ok
[INFO] [stdout] test tests::try_str_all::_mut_heapstringbuffer_new_3_expects ... ok
[INFO] [stdout] test tests::two_byte_str::_mut_heapstringbuffer_new_3_expects ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 49 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests st_ring_buffer
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - StringBuffer::capacity (line 228) ... ok
[INFO] [stdout] test src/lib.rs - StringBuffer::align_no_alloc (line 201) ... ok
[INFO] [stdout] test src/lib.rs - StringBuffer::try_push_all (line 136) ... ok
[INFO] [stdout] test src/lib.rs - StringBuffer::push_char (line 61) ... ok
[INFO] [stdout] test src/lib.rs - StringBuffer::len (line 215) ... ok
[INFO] [stdout] test src/lib.rs - StringBuffer::try_push_char (line 81) ... ok
[INFO] [stdout] test src/lib.rs - StringBuffer::try_push_some (line 120) ... ok
[INFO] [stdout] test src/lib.rs - StringBuffer::as_slices (line 165) ... ok
[INFO] [stdout] test src/lib.rs - StringBuffer::align (line 183) ... ok
[INFO] [stdout] test src/lib.rs - StringBuffer::push_str (line 104) ... ok
[INFO] [stdout] test src/lib.rs - StringBuffer::chars (line 243) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e095b10ee645ad2f4d502e4beb571e5d5f5546ced90dadf29c49f3c88fc80ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e095b10ee645ad2f4d502e4beb571e5d5f5546ced90dadf29c49f3c88fc80ea", kill_on_drop: false }`
[INFO] [stdout] 4e095b10ee645ad2f4d502e4beb571e5d5f5546ced90dadf29c49f3c88fc80ea