[INFO] cloning repository https://github.com/DrVilepis/testauskalkki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DrVilepis/testauskalkki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrVilepis%2Ftestauskalkki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrVilepis%2Ftestauskalkki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee70174ec6a95ce6592f02a16ad8cf716161afc8
[INFO] checking DrVilepis/testauskalkki against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrVilepis%2Ftestauskalkki" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DrVilepis/testauskalkki
[INFO] finished tweaking git repo https://github.com/DrVilepis/testauskalkki
[INFO] tweaked toml for git repo https://github.com/DrVilepis/testauskalkki written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DrVilepis/testauskalkki on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DrVilepis/testauskalkki 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" "+011c518242557d21690f7936b5812318dc2fec47" "fetch" "--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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 19a93ed09b8c96ce5e0303530f59e8c2ed71478d958d856e6cf637e2b17e7033
[INFO] running `Command { std: "docker" "start" "19a93ed09b8c96ce5e0303530f59e8c2ed71478d958d856e6cf637e2b17e7033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19a93ed09b8c96ce5e0303530f59e8c2ed71478d958d856e6cf637e2b17e7033", 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" "19a93ed09b8c96ce5e0303530f59e8c2ed71478d958d856e6cf637e2b17e7033" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19a93ed09b8c96ce5e0303530f59e8c2ed71478d958d856e6cf637e2b17e7033", 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" "19a93ed09b8c96ce5e0303530f59e8c2ed71478d958d856e6cf637e2b17e7033" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking testauskalkki v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num::bigint::Sign`
[INFO] [stdout]  --> src/lib/basic.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num::bigint::Sign;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigInt` and `FromPrimitive`
[INFO] [stdout]  --> src/lib/basic.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::{BigInt, FromPrimitive};
[INFO] [stdout]   |           ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::bigint::Sign`
[INFO] [stdout]  --> src/lib/basic.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num::bigint::Sign;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigInt` and `FromPrimitive`
[INFO] [stdout]  --> src/lib/basic.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::{BigInt, FromPrimitive};
[INFO] [stdout]   |           ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/lib/basic.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn factorial(num: f64) -> f64 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 41 |     num.clone() * factorial(num - 1.)
[INFO] [stdout]    |                   ------------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/lib/basic.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn factorial(num: f64) -> f64 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 41 |     num.clone() * factorial(num - 1.)
[INFO] [stdout]    |                   ------------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mathstructs.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Function(MathFunction),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MathElement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -     Function(MathFunction),
[INFO] [stdout] 26 +     Function(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `func` and `args` are never read
[INFO] [stdout]   --> src/mathstructs.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct MathFunction {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 56 |     pub func: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 57 |     pub args: Math,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MathFunction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Function` is never constructed
[INFO] [stdout]   --> src/mathstructs.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub enum TS {
[INFO] [stdout]    |          -- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 64 |     Function,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mathstructs.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Function(MathFunction),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MathElement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -     Function(MathFunction),
[INFO] [stdout] 26 +     Function(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `func` and `args` are never read
[INFO] [stdout]   --> src/mathstructs.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct MathFunction {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 56 |     pub func: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 57 |     pub args: Math,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MathFunction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Function` is never constructed
[INFO] [stdout]   --> src/mathstructs.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub enum TS {
[INFO] [stdout]    |          -- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 64 |     Function,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "19a93ed09b8c96ce5e0303530f59e8c2ed71478d958d856e6cf637e2b17e7033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a93ed09b8c96ce5e0303530f59e8c2ed71478d958d856e6cf637e2b17e7033", kill_on_drop: false }`
[INFO] [stdout] 19a93ed09b8c96ce5e0303530f59e8c2ed71478d958d856e6cf637e2b17e7033
