[INFO] cloning repository https://github.com/Hypnoes/algor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hypnoes/algor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHypnoes%2Falgor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHypnoes%2Falgor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e825f52c5ae77e316b9b70ad75a824b4fa227120
[INFO] checking Hypnoes/algor against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHypnoes%2Falgor" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hypnoes/algor on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hypnoes/algor
[INFO] finished tweaking git repo https://github.com/Hypnoes/algor
[INFO] tweaked toml for git repo https://github.com/Hypnoes/algor written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Hypnoes/algor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed6efa17eedd580c610e7bff2b8a43e11de456fd8a522379f100702709de2e19
[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" "ed6efa17eedd580c610e7bff2b8a43e11de456fd8a522379f100702709de2e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed6efa17eedd580c610e7bff2b8a43e11de456fd8a522379f100702709de2e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed6efa17eedd580c610e7bff2b8a43e11de456fd8a522379f100702709de2e19", kill_on_drop: false }`
[INFO] [stdout] ed6efa17eedd580c610e7bff2b8a43e11de456fd8a522379f100702709de2e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2ecb3aa51e08ae543cebda14ffed754b07087ee7213de7047f6068d92de1392
[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" "b2ecb3aa51e08ae543cebda14ffed754b07087ee7213de7047f6068d92de1392", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking algor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Add`, `Index`, `Mul`, `Sub`
[INFO] [stdout]  --> src/lib/matrix.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Index, Mul, Sub};
[INFO] [stdout]   |                ^^^  ^^^^^  ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Add`, `Index`, `Mul`, `Sub`
[INFO] [stdout]  --> src/lib/matrix.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Index, Mul, Sub};
[INFO] [stdout]   |                ^^^  ^^^^^  ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_search`
[INFO] [stdout]  --> src/lib/binary_search.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn binary_search(key: usize, a: &[usize]) -> Result<usize, &'static str> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_search_r`
[INFO] [stdout]   --> src/lib/binary_search.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn binary_search_r(key: usize, a: &[usize]) -> Result<usize, &'static str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binomial`
[INFO] [stdout]  --> src/lib/binomail.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn binomial(n: i32, k: i32, p: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binomial_unrecursive`
[INFO] [stdout]   --> src/lib/binomail.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn binomial_unrecursive(n: i32, k: i32, p: f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arrangement`
[INFO] [stdout]   --> src/lib/binomail.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn arrangement(m: i32, n: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `combination`
[INFO] [stdout]   --> src/lib/binomail.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn combination(m: i32, n: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `factorial`
[INFO] [stdout]   --> src/lib/binomail.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn factorial(n: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `containner`
[INFO] [stdout]  --> src/lib/matrix.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     containner: Box<Vec<Vec<T>>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]  --> src/lib/matrix.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     size: (usize, usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_search`
[INFO] [stdout]  --> src/lib/binary_search.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn binary_search(key: usize, a: &[usize]) -> Result<usize, &'static str> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_search_r`
[INFO] [stdout]   --> src/lib/binary_search.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn binary_search_r(key: usize, a: &[usize]) -> Result<usize, &'static str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binomial`
[INFO] [stdout]  --> src/lib/binomail.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn binomial(n: i32, k: i32, p: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binomial_unrecursive`
[INFO] [stdout]   --> src/lib/binomail.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn binomial_unrecursive(n: i32, k: i32, p: f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arrangement`
[INFO] [stdout]   --> src/lib/binomail.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn arrangement(m: i32, n: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `combination`
[INFO] [stdout]   --> src/lib/binomail.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn combination(m: i32, n: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `factorial`
[INFO] [stdout]   --> src/lib/binomail.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn factorial(n: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `containner`
[INFO] [stdout]  --> src/lib/matrix.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     containner: Box<Vec<Vec<T>>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]  --> src/lib/matrix.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     size: (usize, usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.74s
[INFO] running `Command { std: "docker" "inspect" "b2ecb3aa51e08ae543cebda14ffed754b07087ee7213de7047f6068d92de1392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ecb3aa51e08ae543cebda14ffed754b07087ee7213de7047f6068d92de1392", kill_on_drop: false }`
[INFO] [stdout] b2ecb3aa51e08ae543cebda14ffed754b07087ee7213de7047f6068d92de1392