[INFO] crate generic-array 0.14.2 is already in cache
[INFO] checking generic-array-0.14.2 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] extracting crate generic-array 0.14.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate generic-array 0.14.2 on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generic-array 0.14.2
[INFO] finished tweaking crates.io crate generic-array 0.14.2
[INFO] tweaked toml for crates.io crate generic-array 0.14.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a03c89750a98bd9efd020b9d69ffae0e21c57de5a80ddd2288628488f04a86b
[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" "1a03c89750a98bd9efd020b9d69ffae0e21c57de5a80ddd2288628488f04a86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a03c89750a98bd9efd020b9d69ffae0e21c57de5a80ddd2288628488f04a86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a03c89750a98bd9efd020b9d69ffae0e21c57de5a80ddd2288628488f04a86b", kill_on_drop: false }`
[INFO] [stdout] 1a03c89750a98bd9efd020b9d69ffae0e21c57de5a80ddd2288628488f04a86b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c071e04c39471ca34a7aa34b0abfbeb07a1b358428e0d6e5285265ac0d5ecda9
[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" "c071e04c39471ca34a7aa34b0abfbeb07a1b358428e0d6e5285265ac0d5ecda9", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling generic-array v0.14.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stdout] warning: unused return value of `core::cmp::Ord::cmp` that must be used
[INFO] [stdout]    --> tests/mod.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     arr![u8; 0x00].cmp(&arr![u8; 0x00]);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.43s
[INFO] running `Command { std: "docker" "inspect" "c071e04c39471ca34a7aa34b0abfbeb07a1b358428e0d6e5285265ac0d5ecda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c071e04c39471ca34a7aa34b0abfbeb07a1b358428e0d6e5285265ac0d5ecda9", kill_on_drop: false }`
[INFO] [stdout] c071e04c39471ca34a7aa34b0abfbeb07a1b358428e0d6e5285265ac0d5ecda9