[INFO] cloning repository https://github.com/max-196/math
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/max-196/math" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-196%2Fmath", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-196%2Fmath'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5046cfd469bec206bc9561d4c212c93a86fcf4dd
[INFO] testing max-196/math against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-196%2Fmath" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/max-196/math
[INFO] finished tweaking git repo https://github.com/max-196/math
[INFO] tweaked toml for git repo https://github.com/max-196/math written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/max-196/math on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/max-196/math 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7caa39832e6beec8403538833f5410702feab6651de432a7cf3ac49cf289293
[INFO] running `Command { std: "docker" "start" "-a" "d7caa39832e6beec8403538833f5410702feab6651de432a7cf3ac49cf289293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7caa39832e6beec8403538833f5410702feab6651de432a7cf3ac49cf289293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7caa39832e6beec8403538833f5410702feab6651de432a7cf3ac49cf289293", kill_on_drop: false }`
[INFO] [stdout] d7caa39832e6beec8403538833f5410702feab6651de432a7cf3ac49cf289293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbf2a263b35af4684e9df752f214aec865949446db7a7352b7e1440d2aa25c89
[INFO] running `Command { std: "docker" "start" "-a" "dbf2a263b35af4684e9df752f214aec865949446db7a7352b7e1440d2aa25c89", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Add`, `Mul`, and `Sub`
[INFO] [stdout]  --> src/numbers/integer.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Mul, Sub};
[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 import: `Neg`
[INFO] [stdout]  --> src/numbers/big_integer.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Neg};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/numbers/big_integer.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if let Some(i) = self.i.get(0) {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/numbers/big_integer.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         for i in 0..d {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/numbers/big_integer.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |         for i in 0..d {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]    --> src/numbers/big_integer.rs:142:14
[INFO] [stdout]     |
[INFO] [stdout] 142 |         for (ind, i) in low.i.iter().enumerate().rev() {
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/numbers/big_integer.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |             for i in 0..offset { intermediate.push(0) }
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `yw_high`
[INFO] [stdout]    --> src/numbers/big_integer.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let (yw_high, yw_low) = high_low(y * w);
[INFO] [stdout]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_yw_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `yw_low`
[INFO] [stdout]    --> src/numbers/big_integer.rs:181:19
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let (yw_high, yw_low) = high_low(y * w);
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_yw_low`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xz_high`
[INFO] [stdout]    --> src/numbers/big_integer.rs:184:10
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let (xz_high, xz_low) = high_low(x * z);
[INFO] [stdout]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_xz_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xz_low`
[INFO] [stdout]    --> src/numbers/big_integer.rs:184:19
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let (xz_high, xz_low) = high_low(x * z);
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_xz_low`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `upper` is never read
[INFO] [stdout]    --> src/numbers/big_integer.rs:185:10
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let (mut upper, mut lower) = (0, 0);
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `lower` is never read
[INFO] [stdout]    --> src/numbers/big_integer.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let (mut upper, mut lower) = (0, 0);
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `math::numbers::big_integer::wide_multiply`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use math::numbers::big_integer::wide_multiply;
[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 variable: `big`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let big: BigUint = (u64::MAX as u64).into();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_big`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `big2`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let big2: BigUint = (16 as u64).into();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_big2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     for i in 0..10000 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "dbf2a263b35af4684e9df752f214aec865949446db7a7352b7e1440d2aa25c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf2a263b35af4684e9df752f214aec865949446db7a7352b7e1440d2aa25c89", kill_on_drop: false }`
[INFO] [stdout] dbf2a263b35af4684e9df752f214aec865949446db7a7352b7e1440d2aa25c89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cf885829c65ebcdeeda6fbafd8a836ad5a127f3837a19c1203c1f4d0121f0cf
[INFO] running `Command { std: "docker" "start" "-a" "2cf885829c65ebcdeeda6fbafd8a836ad5a127f3837a19c1203c1f4d0121f0cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Add`, `Mul`, and `Sub`
[INFO] [stdout]  --> src/numbers/integer.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Mul, Sub};
[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 import: `Neg`
[INFO] [stdout]  --> src/numbers/big_integer.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Neg};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/numbers/big_integer.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if let Some(i) = self.i.get(0) {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/numbers/big_integer.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         for i in 0..d {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/numbers/big_integer.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |         for i in 0..d {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]    --> src/numbers/big_integer.rs:142:14
[INFO] [stdout]     |
[INFO] [stdout] 142 |         for (ind, i) in low.i.iter().enumerate().rev() {
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/numbers/big_integer.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |             for i in 0..offset { intermediate.push(0) }
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `yw_high`
[INFO] [stdout]    --> src/numbers/big_integer.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let (yw_high, yw_low) = high_low(y * w);
[INFO] [stdout]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_yw_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `yw_low`
[INFO] [stdout]    --> src/numbers/big_integer.rs:181:19
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let (yw_high, yw_low) = high_low(y * w);
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_yw_low`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xz_high`
[INFO] [stdout]    --> src/numbers/big_integer.rs:184:10
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let (xz_high, xz_low) = high_low(x * z);
[INFO] [stdout]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_xz_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xz_low`
[INFO] [stdout]    --> src/numbers/big_integer.rs:184:19
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let (xz_high, xz_low) = high_low(x * z);
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_xz_low`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `upper` is never read
[INFO] [stdout]    --> src/numbers/big_integer.rs:185:10
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let (mut upper, mut lower) = (0, 0);
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `lower` is never read
[INFO] [stdout]    --> src/numbers/big_integer.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let (mut upper, mut lower) = (0, 0);
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `math::numbers::big_integer::wide_multiply`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use math::numbers::big_integer::wide_multiply;
[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: `Add`, `Mul`, and `Sub`
[INFO] [stdout]  --> src/numbers/integer.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Mul, Sub};
[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 import: `Neg`
[INFO] [stdout]  --> src/numbers/big_integer.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Neg};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `big`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let big: BigUint = (u64::MAX as u64).into();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_big`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `big2`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let big2: BigUint = (16 as u64).into();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_big2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     for i in 0..10000 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/numbers/big_integer.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if let Some(i) = self.i.get(0) {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/numbers/big_integer.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         for i in 0..d {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/numbers/big_integer.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |         for i in 0..d {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]    --> src/numbers/big_integer.rs:142:14
[INFO] [stdout]     |
[INFO] [stdout] 142 |         for (ind, i) in low.i.iter().enumerate().rev() {
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/numbers/big_integer.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |             for i in 0..offset { intermediate.push(0) }
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `yw_high`
[INFO] [stdout]    --> src/numbers/big_integer.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let (yw_high, yw_low) = high_low(y * w);
[INFO] [stdout]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_yw_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `yw_low`
[INFO] [stdout]    --> src/numbers/big_integer.rs:181:19
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let (yw_high, yw_low) = high_low(y * w);
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_yw_low`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xz_high`
[INFO] [stdout]    --> src/numbers/big_integer.rs:184:10
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let (xz_high, xz_low) = high_low(x * z);
[INFO] [stdout]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_xz_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xz_low`
[INFO] [stdout]    --> src/numbers/big_integer.rs:184:19
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let (xz_high, xz_low) = high_low(x * z);
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_xz_low`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `upper` is never read
[INFO] [stdout]    --> src/numbers/big_integer.rs:185:10
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let (mut upper, mut lower) = (0, 0);
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `lower` is never read
[INFO] [stdout]    --> src/numbers/big_integer.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let (mut upper, mut lower) = (0, 0);
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "2cf885829c65ebcdeeda6fbafd8a836ad5a127f3837a19c1203c1f4d0121f0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf885829c65ebcdeeda6fbafd8a836ad5a127f3837a19c1203c1f4d0121f0cf", kill_on_drop: false }`
[INFO] [stdout] 2cf885829c65ebcdeeda6fbafd8a836ad5a127f3837a19c1203c1f4d0121f0cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd616be456545bcedf629fb0a19d24d0927e08fbe8456feccefea8cf4c5f52ae
[INFO] running `Command { std: "docker" "start" "-a" "dd616be456545bcedf629fb0a19d24d0927e08fbe8456feccefea8cf4c5f52ae", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Add`, `Mul`, and `Sub`
[INFO] [stderr]  --> src/numbers/integer.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{Add, Mul, Sub};
[INFO] [stderr]   |                ^^^  ^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Neg`
[INFO] [stderr]  --> src/numbers/big_integer.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{Add, Neg};
[INFO] [stderr]   |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/numbers/big_integer.rs:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 |         if let Some(i) = self.i.get(0) {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/numbers/big_integer.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |         for i in 0..d {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/numbers/big_integer.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |         for i in 0..d {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ind`
[INFO] [stderr]    --> src/numbers/big_integer.rs:142:14
[INFO] [stderr]     |
[INFO] [stderr] 142 |         for (ind, i) in low.i.iter().enumerate().rev() {
[INFO] [stderr]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/numbers/big_integer.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |             for i in 0..offset { intermediate.push(0) }
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `yw_high`
[INFO] [stderr]    --> src/numbers/big_integer.rs:181:10
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let (yw_high, yw_low) = high_low(y * w);
[INFO] [stderr]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_yw_high`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `yw_low`
[INFO] [stderr]    --> src/numbers/big_integer.rs:181:19
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let (yw_high, yw_low) = high_low(y * w);
[INFO] [stderr]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_yw_low`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xz_high`
[INFO] [stderr]    --> src/numbers/big_integer.rs:184:10
[INFO] [stderr]     |
[INFO] [stderr] 184 |     let (xz_high, xz_low) = high_low(x * z);
[INFO] [stderr]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_xz_high`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xz_low`
[INFO] [stderr]    --> src/numbers/big_integer.rs:184:19
[INFO] [stderr]     |
[INFO] [stderr] 184 |     let (xz_high, xz_low) = high_low(x * z);
[INFO] [stderr]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_xz_low`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `upper` is never read
[INFO] [stderr]    --> src/numbers/big_integer.rs:185:10
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let (mut upper, mut lower) = (0, 0);
[INFO] [stderr]     |          ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `lower` is never read
[INFO] [stderr]    --> src/numbers/big_integer.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let (mut upper, mut lower) = (0, 0);
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `math` (lib) generated 13 warnings (run `cargo fix --lib -p math` to apply 11 suggestions)
[INFO] [stderr] warning: `math` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr] warning: unused import: `math::numbers::big_integer::wide_multiply`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use math::numbers::big_integer::wide_multiply;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `big`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let big: BigUint = (u64::MAX as u64).into();
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_big`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `big2`
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let big2: BigUint = (16 as u64).into();
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_big2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     for i in 0..10000 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: `math` (bin "math" test) generated 4 warnings (run `cargo fix --bin "math" -p math --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/math-e1bda599eec6841d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/math-6dfa85a3b61f91f3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests math
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd616be456545bcedf629fb0a19d24d0927e08fbe8456feccefea8cf4c5f52ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd616be456545bcedf629fb0a19d24d0927e08fbe8456feccefea8cf4c5f52ae", kill_on_drop: false }`
[INFO] [stdout] dd616be456545bcedf629fb0a19d24d0927e08fbe8456feccefea8cf4c5f52ae
