[INFO] cloning repository https://github.com/Antenna00/Rust_Practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Antenna00/Rust_Practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntenna00%2FRust_Practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntenna00%2FRust_Practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70271c8949abc97f72b8b2c2dc998d975a219d0b
[INFO] testing Antenna00/Rust_Practice against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntenna00%2FRust_Practice" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Antenna00/Rust_Practice
[INFO] finished tweaking git repo https://github.com/Antenna00/Rust_Practice
[INFO] tweaked toml for git repo https://github.com/Antenna00/Rust_Practice written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Antenna00/Rust_Practice on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Antenna00/Rust_Practice 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea1897dc9efe6d4ce959d4d641e1567c3c4a5f0d445fc2b745af31a595dee431
[INFO] running `Command { std: "docker" "start" "-a" "ea1897dc9efe6d4ce959d4d641e1567c3c4a5f0d445fc2b745af31a595dee431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea1897dc9efe6d4ce959d4d641e1567c3c4a5f0d445fc2b745af31a595dee431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1897dc9efe6d4ce959d4d641e1567c3c4a5f0d445fc2b745af31a595dee431", kill_on_drop: false }`
[INFO] [stdout] ea1897dc9efe6d4ce959d4d641e1567c3c4a5f0d445fc2b745af31a595dee431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e44ffbc3652beeb2e34201a3c847ae6f94e75e94f7f68af72d93f24f555f0ee
[INFO] running `Command { std: "docker" "start" "-a" "8e44ffbc3652beeb2e34201a3c847ae6f94e75e94f7f68af72d93f24f555f0ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling iana-time-zone v0.1.48
[INFO] [stderr]    Compiling textwrap v0.13.4
[INFO] [stderr]    Compiling ferris-says v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling firstProject v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `random`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{random, Rng};
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/Display.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WrapperArray` is never constructed
[INFO] [stdout]  --> src/Display.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct WrapperArray {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/Display.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/arrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.75s
[INFO] running `Command { std: "docker" "inspect" "8e44ffbc3652beeb2e34201a3c847ae6f94e75e94f7f68af72d93f24f555f0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e44ffbc3652beeb2e34201a3c847ae6f94e75e94f7f68af72d93f24f555f0ee", kill_on_drop: false }`
[INFO] [stdout] 8e44ffbc3652beeb2e34201a3c847ae6f94e75e94f7f68af72d93f24f555f0ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b942e9d7653b1361bc5d8dd257920a048edde51c337ebe11fdd7fdd2628a5e
[INFO] running `Command { std: "docker" "start" "-a" "66b942e9d7653b1361bc5d8dd257920a048edde51c337ebe11fdd7fdd2628a5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling firstProject v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `random`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{random, Rng};
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/Display.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WrapperArray` is never constructed
[INFO] [stdout]  --> src/Display.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct WrapperArray {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/Display.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/arrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "66b942e9d7653b1361bc5d8dd257920a048edde51c337ebe11fdd7fdd2628a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b942e9d7653b1361bc5d8dd257920a048edde51c337ebe11fdd7fdd2628a5e", kill_on_drop: false }`
[INFO] [stdout] 66b942e9d7653b1361bc5d8dd257920a048edde51c337ebe11fdd7fdd2628a5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a9318f229fffda9e449cfc5d33c46cd7e44e07baeec3da4151840c2a13a9f16
[INFO] running `Command { std: "docker" "start" "-a" "0a9318f229fffda9e449cfc5d33c46cd7e44e07baeec3da4151840c2a13a9f16", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `random`
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{random, Rng};
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/Display.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `WrapperArray` is never constructed
[INFO] [stderr]  --> src/Display.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct WrapperArray {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `run` is never used
[INFO] [stderr]   --> src/Display.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn run() {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run` is never used
[INFO] [stderr]  --> src/arrays.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `firstProject` (bin "firstProject" test) generated 5 warnings (run `cargo fix --bin "firstProject" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/firstProject-4fd211d7289ce1b5)
[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" "0a9318f229fffda9e449cfc5d33c46cd7e44e07baeec3da4151840c2a13a9f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9318f229fffda9e449cfc5d33c46cd7e44e07baeec3da4151840c2a13a9f16", kill_on_drop: false }`
[INFO] [stdout] 0a9318f229fffda9e449cfc5d33c46cd7e44e07baeec3da4151840c2a13a9f16
