[INFO] cloning repository https://github.com/hube12/latticg_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hube12/latticg_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhube12%2Flatticg_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhube12%2Flatticg_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6477353a0dd00ffba2f5c7c5db14e7bc24f9cec
[INFO] checking hube12/latticg_rs against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhube12%2Flatticg_rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hube12/latticg_rs on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hube12/latticg_rs
[INFO] finished tweaking git repo https://github.com/hube12/latticg_rs
[INFO] tweaked toml for git repo https://github.com/hube12/latticg_rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/hube12/latticg_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc9ebabcc4e5c9690e5aeca94902e49acb4160d0744f82e86f3f5eb1aa4b6362
[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" "bc9ebabcc4e5c9690e5aeca94902e49acb4160d0744f82e86f3f5eb1aa4b6362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc9ebabcc4e5c9690e5aeca94902e49acb4160d0744f82e86f3f5eb1aa4b6362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9ebabcc4e5c9690e5aeca94902e49acb4160d0744f82e86f3f5eb1aa4b6362", kill_on_drop: false }`
[INFO] [stdout] bc9ebabcc4e5c9690e5aeca94902e49acb4160d0744f82e86f3f5eb1aa4b6362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a781591e22526d6249c83a6b45e0ea984106ca7305f4e67ef1b96a5f14bc5a5
[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" "3a781591e22526d6249c83a6b45e0ea984106ca7305f4e67ef1b96a5f14bc5a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]     Checking latticg_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num_bigint::BigInt`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_bigint::BigInt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]  --> src/lib.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use num_traits::{Zero, One};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_bigint::BigInt`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_bigint::BigInt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]  --> src/lib.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use num_traits::{Zero, One};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_integer`
[INFO] [stdout]   --> src/math/big_fraction.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn new_integer(numerator:BigInt) -> Result<Self, &'a str> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/math/big_fraction.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn parse(s:String) -> Option<BigInt> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_double`
[INFO] [stdout]   --> src/math/big_fraction.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn to_double(&self)->f64{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_integer`
[INFO] [stdout]   --> src/math/big_fraction.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn new_integer(numerator:BigInt) -> Result<Self, &'a str> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/math/big_fraction.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn parse(s:String) -> Option<BigInt> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_double`
[INFO] [stdout]   --> src/math/big_fraction.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn to_double(&self)->f64{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 7.69s
[INFO] running `Command { std: "docker" "inspect" "3a781591e22526d6249c83a6b45e0ea984106ca7305f4e67ef1b96a5f14bc5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a781591e22526d6249c83a6b45e0ea984106ca7305f4e67ef1b96a5f14bc5a5", kill_on_drop: false }`
[INFO] [stdout] 3a781591e22526d6249c83a6b45e0ea984106ca7305f4e67ef1b96a5f14bc5a5