[INFO] fetching crate spms_ring 0.1.4...
[INFO] building spms_ring-0.1.4 against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] extracting crate spms_ring 0.1.4 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate spms_ring 0.1.4 on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55c106f35bcd7a80e89cd94609be853a3677429026039c84a75b2e532122809f
[INFO] running `Command { std: "docker" "start" "-a" "55c106f35bcd7a80e89cd94609be853a3677429026039c84a75b2e532122809f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55c106f35bcd7a80e89cd94609be853a3677429026039c84a75b2e532122809f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c106f35bcd7a80e89cd94609be853a3677429026039c84a75b2e532122809f", kill_on_drop: false }`
[INFO] [stdout] 55c106f35bcd7a80e89cd94609be853a3677429026039c84a75b2e532122809f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25644d39c0831f0366b6844b99d0d4cc246027c6b70a3ff75a866675f307e976
[INFO] running `Command { std: "docker" "start" "-a" "25644d39c0831f0366b6844b99d0d4cc246027c6b70a3ff75a866675f307e976", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1m 02s
[INFO] running `Command { std: "docker" "inspect" "25644d39c0831f0366b6844b99d0d4cc246027c6b70a3ff75a866675f307e976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25644d39c0831f0366b6844b99d0d4cc246027c6b70a3ff75a866675f307e976", kill_on_drop: false }`
[INFO] [stdout] 25644d39c0831f0366b6844b99d0d4cc246027c6b70a3ff75a866675f307e976
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d04ba24ba829d8d417c332152a50f58db568f26fef6ad67ff899df0d5bb99203
[INFO] running `Command { std: "docker" "start" "-a" "d04ba24ba829d8d417c332152a50f58db568f26fef6ad67ff899df0d5bb99203", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 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 5.77s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/spms_ring-438b1b3bb8bed6e6)
[INFO] running `Command { std: "docker" "inspect" "d04ba24ba829d8d417c332152a50f58db568f26fef6ad67ff899df0d5bb99203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d04ba24ba829d8d417c332152a50f58db568f26fef6ad67ff899df0d5bb99203", kill_on_drop: false }`
[INFO] [stdout] d04ba24ba829d8d417c332152a50f58db568f26fef6ad67ff899df0d5bb99203