[INFO] fetching crate stat 0.2.0...
[INFO] checking stat-0.2.0 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate stat 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate stat 0.2.0 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stat 0.2.0
[INFO] finished tweaking crates.io crate stat 0.2.0
[INFO] tweaked toml for crates.io crate stat 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e8ad2ca06c5622c29fda5ae0f58371277154bd489fcc6293adaeb8d0f36075a
[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" "4e8ad2ca06c5622c29fda5ae0f58371277154bd489fcc6293adaeb8d0f36075a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e8ad2ca06c5622c29fda5ae0f58371277154bd489fcc6293adaeb8d0f36075a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8ad2ca06c5622c29fda5ae0f58371277154bd489fcc6293adaeb8d0f36075a", kill_on_drop: false }`
[INFO] [stdout] 4e8ad2ca06c5622c29fda5ae0f58371277154bd489fcc6293adaeb8d0f36075a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 328ce6b8dcc2e461cd11bca95d5ba4e7c8b1d65b4b5bbf179e2f926eff05624c
[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" "328ce6b8dcc2e461cd11bca95d5ba4e7c8b1d65b4b5bbf179e2f926eff05624c", kill_on_drop: false }`
[INFO] [stderr]     Checking stat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `stat::*`
[INFO] [stdout]   --> benches/benchmark_test.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use stat::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stat::*`
[INFO] [stdout]   --> tests/nist_test.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use stat::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/nist_test.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |     let mut numacc2 = &mut [0.0; 1001];
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/nist_test.rs:280:9
[INFO] [stdout]     |
[INFO] [stdout] 280 |     let mut numacc3 = &mut [0.0; 1001];
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/nist_test.rs:282:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |     let mut numacc4 = &mut [0.0; 1001];
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]   --> tests/gsl.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn test(status: bool, test_description: &str) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "328ce6b8dcc2e461cd11bca95d5ba4e7c8b1d65b4b5bbf179e2f926eff05624c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328ce6b8dcc2e461cd11bca95d5ba4e7c8b1d65b4b5bbf179e2f926eff05624c", kill_on_drop: false }`
[INFO] [stdout] 328ce6b8dcc2e461cd11bca95d5ba4e7c8b1d65b4b5bbf179e2f926eff05624c