[INFO] fetching crate spms_ring 0.1.4...
[INFO] building spms_ring-0.1.4 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate spms_ring 0.1.4 into /workspace/builds/worker-5-tc1/source
[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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spms_ring 0.1.4 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.2.0)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4e22f4271611dbbb743fe831c791db1de8f23331f2c7fbac401ee538906f37c
[INFO] running `Command { std: "docker" "start" "-a" "e4e22f4271611dbbb743fe831c791db1de8f23331f2c7fbac401ee538906f37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4e22f4271611dbbb743fe831c791db1de8f23331f2c7fbac401ee538906f37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e22f4271611dbbb743fe831c791db1de8f23331f2c7fbac401ee538906f37c", kill_on_drop: false }`
[INFO] [stdout] e4e22f4271611dbbb743fe831c791db1de8f23331f2c7fbac401ee538906f37c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 576c7287f24de4d07a7ac896ea1478a41aa6e6f67c0a735ffeea7503534f5e14
[INFO] running `Command { std: "docker" "start" "-a" "576c7287f24de4d07a7ac896ea1478a41aa6e6f67c0a735ffeea7503534f5e14", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling spms_ring v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "576c7287f24de4d07a7ac896ea1478a41aa6e6f67c0a735ffeea7503534f5e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576c7287f24de4d07a7ac896ea1478a41aa6e6f67c0a735ffeea7503534f5e14", kill_on_drop: false }`
[INFO] [stdout] 576c7287f24de4d07a7ac896ea1478a41aa6e6f67c0a735ffeea7503534f5e14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc6536409eac51b831face47b10e6d2b924e1d55d960ccb36c867f6bfe9458b2
[INFO] running `Command { std: "docker" "start" "-a" "fc6536409eac51b831face47b10e6d2b924e1d55d960ccb36c867f6bfe9458b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling spms_ring v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]    --> src/lib.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     struct Simple {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 196 |         x: u32,
[INFO] [stdout] 197 |         y: u32,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Simple` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "fc6536409eac51b831face47b10e6d2b924e1d55d960ccb36c867f6bfe9458b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6536409eac51b831face47b10e6d2b924e1d55d960ccb36c867f6bfe9458b2", kill_on_drop: false }`
[INFO] [stdout] fc6536409eac51b831face47b10e6d2b924e1d55d960ccb36c867f6bfe9458b2