[INFO] cloning repository https://github.com/BilalMir135/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/BilalMir135/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBilalMir135%2Frust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBilalMir135%2Frust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c41146dee3bdf99f4160f74d2241db43dabcd44
[INFO] checking BilalMir135/rust-practice against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBilalMir135%2Frust-practice" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BilalMir135/rust-practice on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BilalMir135/rust-practice
[INFO] finished tweaking git repo https://github.com/BilalMir135/rust-practice
[INFO] tweaked toml for git repo https://github.com/BilalMir135/rust-practice written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BilalMir135/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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9af4c71087c309993055905ac4ee77e6500a11cb46b2c09a89e802a8aa7c3b34
[INFO] running `Command { std: "docker" "start" "-a" "9af4c71087c309993055905ac4ee77e6500a11cb46b2c09a89e802a8aa7c3b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9af4c71087c309993055905ac4ee77e6500a11cb46b2c09a89e802a8aa7c3b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af4c71087c309993055905ac4ee77e6500a11cb46b2c09a89e802a8aa7c3b34", kill_on_drop: false }`
[INFO] [stdout] 9af4c71087c309993055905ac4ee77e6500a11cb46b2c09a89e802a8aa7c3b34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44995ade67af0e113021e88fcabfaec2ee85547be80b4ee9920d75cf023ea021
[INFO] running `Command { std: "docker" "start" "-a" "44995ade67af0e113021e88fcabfaec2ee85547be80b4ee9920d75cf023ea021", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `to_binary`, `to_octal`, and `to_decimal` are never used
[INFO] [stdout]   --> src/number_system.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub trait NumberSystemTrait {
[INFO] [stdout]    |           ----------------- methods in this trait
[INFO] [stdout] 10 |     fn to_binary(&self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 11 |     fn to_octal(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 12 |     fn to_decimal(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_binary`, `to_octal`, and `to_decimal` are never used
[INFO] [stdout]   --> src/number_system.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub trait NumberSystemTrait {
[INFO] [stdout]    |           ----------------- methods in this trait
[INFO] [stdout] 10 |     fn to_binary(&self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 11 |     fn to_octal(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 12 |     fn to_decimal(&self) -> u32;
[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 0.18s
[INFO] running `Command { std: "docker" "inspect" "44995ade67af0e113021e88fcabfaec2ee85547be80b4ee9920d75cf023ea021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44995ade67af0e113021e88fcabfaec2ee85547be80b4ee9920d75cf023ea021", kill_on_drop: false }`
[INFO] [stdout] 44995ade67af0e113021e88fcabfaec2ee85547be80b4ee9920d75cf023ea021
