[INFO] fetching crate spms_ring 0.1.4...
[INFO] testing spms_ring-0.1.4 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate spms_ring 0.1.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate spms_ring 0.1.4 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spms_ring 0.1.4
[INFO] finished tweaking crates.io crate spms_ring 0.1.4
[INFO] tweaked toml for crates.io crate spms_ring 0.1.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13e0189d6a9d733f90a40adbfbde99668a2ff56ff27cd591026a12b5314a99bc
[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" "13e0189d6a9d733f90a40adbfbde99668a2ff56ff27cd591026a12b5314a99bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13e0189d6a9d733f90a40adbfbde99668a2ff56ff27cd591026a12b5314a99bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e0189d6a9d733f90a40adbfbde99668a2ff56ff27cd591026a12b5314a99bc", kill_on_drop: false }`
[INFO] [stdout] 13e0189d6a9d733f90a40adbfbde99668a2ff56ff27cd591026a12b5314a99bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ea9b2b36b1ea258456f76c87eda7f41316e42ca9364c9ce33ab10ca34a73282
[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" "7ea9b2b36b1ea258456f76c87eda7f41316e42ca9364c9ce33ab10ca34a73282", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling spms_ring v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "7ea9b2b36b1ea258456f76c87eda7f41316e42ca9364c9ce33ab10ca34a73282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea9b2b36b1ea258456f76c87eda7f41316e42ca9364c9ce33ab10ca34a73282", kill_on_drop: false }`
[INFO] [stdout] 7ea9b2b36b1ea258456f76c87eda7f41316e42ca9364c9ce33ab10ca34a73282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e6c30bc379ea5545df4f2c598445b3c081592531fc4725ad7c68b20d785027c
[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" "3e6c30bc379ea5545df4f2c598445b3c081592531fc4725ad7c68b20d785027c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling spms_ring v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]    --> src/lib.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         y: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "3e6c30bc379ea5545df4f2c598445b3c081592531fc4725ad7c68b20d785027c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e6c30bc379ea5545df4f2c598445b3c081592531fc4725ad7c68b20d785027c", kill_on_drop: false }`
[INFO] [stdout] 3e6c30bc379ea5545df4f2c598445b3c081592531fc4725ad7c68b20d785027c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4633068be9824da63a20a6ac48303b77be474d3b929aa5bb4def1a7c414c6c4
[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" "f4633068be9824da63a20a6ac48303b77be474d3b929aa5bb4def1a7c414c6c4", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]    --> src/lib.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 197 |         y: u32,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `spms_ring` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spms_ring-00763875867c3bc8)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::generation_overflow_write_read ... ok
[INFO] [stdout] test tests::sequential_write_read ... ok
[INFO] [stdout] test tests::buffer_overflow_write_read ... ok
[INFO] [stdout] test tests::alternating_write_read ... ok
[INFO] [stdout] test tests::verify_nonblocking ... ok
[INFO] [stdout] test tests::multithreaded_writer_readers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spms_ring
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4633068be9824da63a20a6ac48303b77be474d3b929aa5bb4def1a7c414c6c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4633068be9824da63a20a6ac48303b77be474d3b929aa5bb4def1a7c414c6c4", kill_on_drop: false }`
[INFO] [stdout] f4633068be9824da63a20a6ac48303b77be474d3b929aa5bb4def1a7c414c6c4