[INFO] cloning repository https://github.com/nmarley/rust-uint256
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nmarley/rust-uint256" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmarley%2Frust-uint256", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmarley%2Frust-uint256'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9563ca371d93aeea2e1a83ee5a507f80b3a9e55
[INFO] checking nmarley/rust-uint256 against master#85c39893a761fe4c050523278da4e7e45ab42b6e for pr-134688
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmarley%2Frust-uint256" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nmarley/rust-uint256 on toolchain 85c39893a761fe4c050523278da4e7e45ab42b6e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nmarley/rust-uint256
[INFO] finished tweaking git repo https://github.com/nmarley/rust-uint256
[INFO] tweaked toml for git repo https://github.com/nmarley/rust-uint256 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nmarley/rust-uint256 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" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10921bfbc7477d1e110872f81156d8a6a2455b2a17e5588af19a94f695fbe5ba
[INFO] running `Command { std: "docker" "start" "-a" "10921bfbc7477d1e110872f81156d8a6a2455b2a17e5588af19a94f695fbe5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10921bfbc7477d1e110872f81156d8a6a2455b2a17e5588af19a94f695fbe5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10921bfbc7477d1e110872f81156d8a6a2455b2a17e5588af19a94f695fbe5ba", kill_on_drop: false }`
[INFO] [stdout] 10921bfbc7477d1e110872f81156d8a6a2455b2a17e5588af19a94f695fbe5ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25ac0b7f33123be630fcd83c692133f81bac4931724b28a2e4a4722b4f698367
[INFO] running `Command { std: "docker" "start" "-a" "25ac0b7f33123be630fcd83c692133f81bac4931724b28a2e4a4722b4f698367", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-uint256 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Div`, `Mul`, `Rem`, and `Sub`
[INFO] [stdout]  --> src/uint256.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Div, Mul, Rem, Sub};
[INFO] [stdout]   |                     ^^^  ^^^  ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Div`, `Mul`, `Rem`, and `Sub`
[INFO] [stdout]  --> src/uint256.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Div, Mul, Rem, Sub};
[INFO] [stdout]   |                     ^^^  ^^^  ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `TWO`, `is_zero`, and `set_zero` are never used
[INFO] [stdout]   --> src/uint256.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Uint256 {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub const TWO: Self = Self([2, 0, 0, 0]);
[INFO] [stdout]    |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn is_zero(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn set_zero(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `ONE`, `TWO`, `MAX`, `is_zero`, and `set_zero` are never used
[INFO] [stdout]   --> src/uint256.rs:9:15
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Uint256 {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 8  |     pub const ZERO: Self = Self([0, 0, 0, 0]);
[INFO] [stdout] 9  |     pub const ONE: Self = Self([1, 0, 0, 0]);
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 10 |     pub const TWO: Self = Self([2, 0, 0, 0]);
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 11 |     pub const MAX: Self = Self([u64::MAX, u64::MAX, u64::MAX, u64::MAX]);
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     pub fn is_zero(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn set_zero(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "25ac0b7f33123be630fcd83c692133f81bac4931724b28a2e4a4722b4f698367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ac0b7f33123be630fcd83c692133f81bac4931724b28a2e4a4722b4f698367", kill_on_drop: false }`
[INFO] [stdout] 25ac0b7f33123be630fcd83c692133f81bac4931724b28a2e4a4722b4f698367