[INFO] fetching crate spms_ring 0.1.4...
[INFO] testing spms_ring-0.1.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate spms_ring 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate spms_ring 0.1.4 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5335a6d3a2ebd77988f1eec449f0fa527de10313cf4f6f25842d7bca1c9ab8f
[INFO] running `Command { std: "docker" "start" "-a" "f5335a6d3a2ebd77988f1eec449f0fa527de10313cf4f6f25842d7bca1c9ab8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5335a6d3a2ebd77988f1eec449f0fa527de10313cf4f6f25842d7bca1c9ab8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5335a6d3a2ebd77988f1eec449f0fa527de10313cf4f6f25842d7bca1c9ab8f", kill_on_drop: false }`
[INFO] [stdout] f5335a6d3a2ebd77988f1eec449f0fa527de10313cf4f6f25842d7bca1c9ab8f
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f566bc8cfd82da6d84d012390560f7366ccfb39fd4ee8f5aa44b45662d34bd5
[INFO] running `Command { std: "docker" "start" "-a" "4f566bc8cfd82da6d84d012390560f7366ccfb39fd4ee8f5aa44b45662d34bd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling spms_ring v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "4f566bc8cfd82da6d84d012390560f7366ccfb39fd4ee8f5aa44b45662d34bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f566bc8cfd82da6d84d012390560f7366ccfb39fd4ee8f5aa44b45662d34bd5", kill_on_drop: false }`
[INFO] [stdout] 4f566bc8cfd82da6d84d012390560f7366ccfb39fd4ee8f5aa44b45662d34bd5
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97cd1b2f74c476f4a4582cf54b028c84ab96b860a727391be3421365c48ce4eb
[INFO] running `Command { std: "docker" "start" "-a" "97cd1b2f74c476f4a4582cf54b028c84ab96b860a727391be3421365c48ce4eb", kill_on_drop: false }`
[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] note: `Simple` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:194:23
[INFO] [stdout]     |
[INFO] [stdout] 194 |     #[derive(Default, Debug, Copy, Clone)]
[INFO] [stdout]     |                       ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "97cd1b2f74c476f4a4582cf54b028c84ab96b860a727391be3421365c48ce4eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97cd1b2f74c476f4a4582cf54b028c84ab96b860a727391be3421365c48ce4eb", kill_on_drop: false }`
[INFO] [stdout] 97cd1b2f74c476f4a4582cf54b028c84ab96b860a727391be3421365c48ce4eb
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ccb71c90a769b1146ce84bb1bf003f4818df5a0499e2c21947d778dcecf7e39
[INFO] running `Command { std: "docker" "start" "-a" "2ccb71c90a769b1146ce84bb1bf003f4818df5a0499e2c21947d778dcecf7e39", 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] note: `Simple` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/lib.rs:194:23
[INFO] [stderr]     |
[INFO] [stderr] 194 |     #[derive(Default, Debug, Copy, Clone)]
[INFO] [stderr]     |                       ^^^^^        ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `spms_ring` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spms_ring-8bd3b901be07e0b5)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::alternating_write_read ... ok
[INFO] [stdout] test tests::generation_overflow_write_read ... ok
[INFO] [stdout] test tests::buffer_overflow_write_read ... ok
[INFO] [stdout] test tests::sequential_write_read ... ok
[INFO] [stdout] test tests::verify_nonblocking ... ok
[INFO] [stderr]    Doc-tests spms_ring
[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 0.40s
[INFO] [stdout] 
[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" "2ccb71c90a769b1146ce84bb1bf003f4818df5a0499e2c21947d778dcecf7e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ccb71c90a769b1146ce84bb1bf003f4818df5a0499e2c21947d778dcecf7e39", kill_on_drop: false }`
[INFO] [stdout] 2ccb71c90a769b1146ce84bb1bf003f4818df5a0499e2c21947d778dcecf7e39