[INFO] fetching crate rstat 0.6.0... [INFO] checking rstat-0.6.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] extracting crate rstat 0.6.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate rstat 0.6.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rstat 0.6.0 [INFO] finished tweaking crates.io crate rstat 0.6.0 [INFO] tweaked toml for crates.io crate rstat 0.6.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lapacke-sys v0.1.4 [INFO] [stderr] Downloaded cauchy v0.2.2 [INFO] [stderr] Downloaded blas-src v0.6.1 [INFO] [stderr] Downloaded cblas-sys v0.1.4 [INFO] [stderr] Downloaded ndarray-linalg v0.12.1 [INFO] [stderr] Downloaded ndarray v0.13.1 [INFO] [stderr] Downloaded lapack-src v0.6.0 [INFO] [stderr] Downloaded lapacke v0.2.0 [INFO] [stderr] Downloaded blas-src v0.2.1 [INFO] [stderr] Downloaded special-fun v0.2.0 [INFO] [stderr] Downloaded spaces v5.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e9f232912861b08c5b6968e80c6f708f6f5f3e9927ba13284b45d7ffef9d9d3e [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" "e9f232912861b08c5b6968e80c6f708f6f5f3e9927ba13284b45d7ffef9d9d3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e9f232912861b08c5b6968e80c6f708f6f5f3e9927ba13284b45d7ffef9d9d3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9f232912861b08c5b6968e80c6f708f6f5f3e9927ba13284b45d7ffef9d9d3e", kill_on_drop: false }` [INFO] [stdout] e9f232912861b08c5b6968e80c6f708f6f5f3e9927ba13284b45d7ffef9d9d3e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e55e5dc13db053e2a70be4af27baf29fb5fd9ee9f1fc14dfe1973abe105eb4f2 [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" "e55e5dc13db053e2a70be4af27baf29fb5fd9ee9f1fc14dfe1973abe105eb4f2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Compiling special-fun v0.2.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking spaces v5.0.0 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking ndarray v0.13.1 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking rstat v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/univariate/rayleigh.rs:13:28 [INFO] [stdout] | [INFO] [stdout] 13 | const FOUR_MINUS_PI: f64 = (4.0 - PI); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 13 - const FOUR_MINUS_PI: f64 = (4.0 - PI); [INFO] [stdout] 13 + const FOUR_MINUS_PI: f64 = 4.0 - PI; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/univariate/rayleigh.rs:13:28 [INFO] [stdout] | [INFO] [stdout] 13 | const FOUR_MINUS_PI: f64 = (4.0 - PI); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 13 - const FOUR_MINUS_PI: f64 = (4.0 - PI); [INFO] [stdout] 13 + const FOUR_MINUS_PI: f64 = 4.0 - PI; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `factorial_exact` [INFO] [stdout] --> src/utils.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn factorial_exact(n: u64) -> u64 { (1..=n).product() } [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `factorial` [INFO] [stdout] --> src/utils.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn factorial(n: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/multivariate/dirichlet.rs:92:32 [INFO] [stdout] | [INFO] [stdout] 92 | assert!(xs.len() == n, format!("Input `xs` must have length {}.", n)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 92 - assert!(xs.len() == n, format!("Input `xs` must have length {}.", n)); [INFO] [stdout] 92 + assert!(xs.len() == n, "Input `xs` must have length {}.", n); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `factorial_exact` [INFO] [stdout] --> src/utils.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn factorial_exact(n: u64) -> u64 { (1..=n).product() } [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `factorial` [INFO] [stdout] --> src/utils.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn factorial(n: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/multivariate/dirichlet.rs:92:32 [INFO] [stdout] | [INFO] [stdout] 92 | assert!(xs.len() == n, format!("Input `xs` must have length {}.", n)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 92 - assert!(xs.len() == n, format!("Input `xs` must have length {}.", n)); [INFO] [stdout] 92 + assert!(xs.len() == n, "Input `xs` must have length {}.", n); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 55.32s [INFO] running `Command { std: "docker" "inspect" "e55e5dc13db053e2a70be4af27baf29fb5fd9ee9f1fc14dfe1973abe105eb4f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e55e5dc13db053e2a70be4af27baf29fb5fd9ee9f1fc14dfe1973abe105eb4f2", kill_on_drop: false }` [INFO] [stdout] e55e5dc13db053e2a70be4af27baf29fb5fd9ee9f1fc14dfe1973abe105eb4f2