[INFO] cloning repository https://github.com/lightstarp/big_number
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lightstarp/big_number" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flightstarp%2Fbig_number", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flightstarp%2Fbig_number'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a04f4cecbd5277a7f923111721e9fe6bdfe4464
[INFO] checking lightstarp/big_number against 760e1de835e253bf28bbcbfee38b5e8ed9ffe074 for pr-133502-27
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flightstarp%2Fbig_number" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lightstarp/big_number
[INFO] finished tweaking git repo https://github.com/lightstarp/big_number
[INFO] tweaked toml for git repo https://github.com/lightstarp/big_number written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lightstarp/big_number on toolchain 760e1de835e253bf28bbcbfee38b5e8ed9ffe074
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lightstarp/big_number 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" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6fbf83211fed334cca451c48148c04a5e0a4697110bc336ec827cd9419583cd9
[INFO] running `Command { std: "docker" "start" "6fbf83211fed334cca451c48148c04a5e0a4697110bc336ec827cd9419583cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fbf83211fed334cca451c48148c04a5e0a4697110bc336ec827cd9419583cd9", 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" "6fbf83211fed334cca451c48148c04a5e0a4697110bc336ec827cd9419583cd9" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fbf83211fed334cca451c48148c04a5e0a4697110bc336ec827cd9419583cd9", 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" "6fbf83211fed334cca451c48148c04a5e0a4697110bc336ec827cd9419583cd9" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking big_number v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::Uvec`
[INFO] [stdout]  --> src/long/oparation/div.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::Uvec;
[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: `self::oparation::add`
[INFO] [stdout]  --> src/long.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use self::oparation::add;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val` is never read
[INFO] [stdout]   --> src/long/oparation/sub.rs:6:25
[INFO] [stdout]    |
[INFO] [stdout]  6 |       let mut val: u128 = 0;
[INFO] [stdout]    |                           ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 11 | /         val =(Wrapping(if a.unit.len() <= i {0u128} else {a.unit[i] as u128})
[INFO] [stdout] 12 | |             -(Wrapping(if b.unit.len() <= i {0u128} else {b.unit[i] as u128})
[INFO] [stdout] 13 | |             + Wrapping(carry))).0;
[INFO] [stdout]    | |_________________________________- `val` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop` is never used
[INFO] [stdout]  --> src/long/oparation/pop.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Uvec {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 4 |     pub fn pop(&mut self) -> u64 {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string2` is never used
[INFO] [stdout]  --> src/long/oparation/to_string2.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Uvec {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 4 |     pub fn to_string2(&self) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/long/oparation/add.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn add(a: &Uvec,b: &Uvec) -> Uvec {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `shl` is never used
[INFO] [stdout]  --> src/long/oparation/shl.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Uvec {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 4 |     pub fn shl(&mut self, n: usize) {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Uvec`
[INFO] [stdout]  --> src/long/oparation/div.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::Uvec;
[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: `self::oparation::add`
[INFO] [stdout]  --> src/long.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use self::oparation::add;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val` is never read
[INFO] [stdout]   --> src/long/oparation/sub.rs:6:25
[INFO] [stdout]    |
[INFO] [stdout]  6 |       let mut val: u128 = 0;
[INFO] [stdout]    |                           ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 11 | /         val =(Wrapping(if a.unit.len() <= i {0u128} else {a.unit[i] as u128})
[INFO] [stdout] 12 | |             -(Wrapping(if b.unit.len() <= i {0u128} else {b.unit[i] as u128})
[INFO] [stdout] 13 | |             + Wrapping(carry))).0;
[INFO] [stdout]    | |_________________________________- `val` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop` is never used
[INFO] [stdout]  --> src/long/oparation/pop.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Uvec {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 4 |     pub fn pop(&mut self) -> u64 {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string2` is never used
[INFO] [stdout]  --> src/long/oparation/to_string2.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Uvec {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 4 |     pub fn to_string2(&self) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/long/oparation/add.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn add(a: &Uvec,b: &Uvec) -> Uvec {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `shl` is never used
[INFO] [stdout]  --> src/long/oparation/shl.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Uvec {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 4 |     pub fn shl(&mut self, n: usize) {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "6fbf83211fed334cca451c48148c04a5e0a4697110bc336ec827cd9419583cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbf83211fed334cca451c48148c04a5e0a4697110bc336ec827cd9419583cd9", kill_on_drop: false }`
[INFO] [stdout] 6fbf83211fed334cca451c48148c04a5e0a4697110bc336ec827cd9419583cd9
