[INFO] cloning repository https://github.com/Cosmow22/rmath
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cosmow22/rmath" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCosmow22%2Frmath", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCosmow22%2Frmath'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 232ae916915f49011e8c6d5b1fff7548f7edc74a
[INFO] checking Cosmow22/rmath against 0cefa27fe3deee26fc98ee44249406358d9f0d26 for pr-164789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCosmow22%2Frmath" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Cosmow22/rmath
[INFO] finished tweaking git repo https://github.com/Cosmow22/rmath
[INFO] tweaked toml for git repo https://github.com/Cosmow22/rmath written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Cosmow22/rmath on toolchain 0cefa27fe3deee26fc98ee44249406358d9f0d26
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cefa27fe3deee26fc98ee44249406358d9f0d26" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Cosmow22/rmath already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cefa27fe3deee26fc98ee44249406358d9f0d26" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.30.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 06bc79f8a7872a51a0eb07cf07e9c3a26e4894872fcc46b1b556ee6d3d4563ff
[INFO] running `Command { std: "docker" "start" "06bc79f8a7872a51a0eb07cf07e9c3a26e4894872fcc46b1b556ee6d3d4563ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06bc79f8a7872a51a0eb07cf07e9c3a26e4894872fcc46b1b556ee6d3d4563ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "06bc79f8a7872a51a0eb07cf07e9c3a26e4894872fcc46b1b556ee6d3d4563ff" "/opt/rustwide/cargo-home/bin/cargo" "+0cefa27fe3deee26fc98ee44249406358d9f0d26" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06bc79f8a7872a51a0eb07cf07e9c3a26e4894872fcc46b1b556ee6d3d4563ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "06bc79f8a7872a51a0eb07cf07e9c3a26e4894872fcc46b1b556ee6d3d4563ff" "/opt/rustwide/cargo-home/bin/cargo" "+0cefa27fe3deee26fc98ee44249406358d9f0d26" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.7.1
[INFO] [stderr]    Compiling rug v1.30.0
[INFO] [stderr]     Checking az v1.3.0
[INFO] [stderr]     Checking rmath v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `fac` is never used
[INFO] [stdout]  --> src/others.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn fac(n: u32) -> Integer {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dividers` is never used
[INFO] [stdout]   --> src/others.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn dividers(n: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fac` is never used
[INFO] [stdout]  --> src/others.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn fac(n: u32) -> Integer {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dividers` is never used
[INFO] [stdout]   --> src/others.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn dividers(n: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 38s
[INFO] running `Command { std: "docker" "inspect" "06bc79f8a7872a51a0eb07cf07e9c3a26e4894872fcc46b1b556ee6d3d4563ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06bc79f8a7872a51a0eb07cf07e9c3a26e4894872fcc46b1b556ee6d3d4563ff", kill_on_drop: false }`
[INFO] [stdout] 06bc79f8a7872a51a0eb07cf07e9c3a26e4894872fcc46b1b556ee6d3d4563ff