[INFO] cloning repository https://github.com/ihnmalik/online_class_4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ihnmalik/online_class_4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihnmalik%2Fonline_class_4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihnmalik%2Fonline_class_4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db3aec80a3d4facac389bd461bc6e2f34a1e085f
[INFO] testing ihnmalik/online_class_4 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihnmalik%2Fonline_class_4" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ihnmalik/online_class_4 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ihnmalik/online_class_4
[INFO] finished tweaking git repo https://github.com/ihnmalik/online_class_4
[INFO] tweaked toml for git repo https://github.com/ihnmalik/online_class_4 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate git repo https://github.com/ihnmalik/online_class_4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13b5bd60d24343c56180ec5f83ac9e17922604481db1f935f140b5a07c6fa64a
[INFO] running `Command { std: "docker" "start" "-a" "13b5bd60d24343c56180ec5f83ac9e17922604481db1f935f140b5a07c6fa64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13b5bd60d24343c56180ec5f83ac9e17922604481db1f935f140b5a07c6fa64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b5bd60d24343c56180ec5f83ac9e17922604481db1f935f140b5a07c6fa64a", kill_on_drop: false }`
[INFO] [stdout] 13b5bd60d24343c56180ec5f83ac9e17922604481db1f935f140b5a07c6fa64a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b43015ee0d8d7b9d5f2dd5cba4078a01deb450b6d18c94caf141e4b2b434955
[INFO] running `Command { std: "docker" "start" "-a" "8b43015ee0d8d7b9d5f2dd5cba4078a01deb450b6d18c94caf141e4b2b434955", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crates_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/new.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |         let name: String = "hasaan".to_string();
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_my_name`
[INFO] [stdout]  --> src/new.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn print_my_name() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_to_waitlist`
[INFO] [stdout]  --> src/restaurant.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |         pub fn add_to_waitlist() {}
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eat_at_restaurant`
[INFO] [stdout]  --> src/restaurant.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn eat_at_restaurant() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.53s
[INFO] running `Command { std: "docker" "inspect" "8b43015ee0d8d7b9d5f2dd5cba4078a01deb450b6d18c94caf141e4b2b434955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b43015ee0d8d7b9d5f2dd5cba4078a01deb450b6d18c94caf141e4b2b434955", kill_on_drop: false }`
[INFO] [stdout] 8b43015ee0d8d7b9d5f2dd5cba4078a01deb450b6d18c94caf141e4b2b434955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca172ed2530107539a2063dc26896c78b07e5b5f3be1c955073fe08281a35384
[INFO] running `Command { std: "docker" "start" "-a" "ca172ed2530107539a2063dc26896c78b07e5b5f3be1c955073fe08281a35384", kill_on_drop: false }`
[INFO] [stderr]    Compiling crates_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/new.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |         let name: String = "hasaan".to_string();
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_my_name`
[INFO] [stdout]  --> src/new.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn print_my_name() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_to_waitlist`
[INFO] [stdout]  --> src/restaurant.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |         pub fn add_to_waitlist() {}
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eat_at_restaurant`
[INFO] [stdout]  --> src/restaurant.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn eat_at_restaurant() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "ca172ed2530107539a2063dc26896c78b07e5b5f3be1c955073fe08281a35384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca172ed2530107539a2063dc26896c78b07e5b5f3be1c955073fe08281a35384", kill_on_drop: false }`
[INFO] [stdout] ca172ed2530107539a2063dc26896c78b07e5b5f3be1c955073fe08281a35384
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2eb609d0496af37d25718d81a16d718f11fd2183b25d10da77a8b6684ea46cb
[INFO] running `Command { std: "docker" "start" "-a" "d2eb609d0496af37d25718d81a16d718f11fd2183b25d10da77a8b6684ea46cb", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]  --> src/new.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |         let name: String = "hasaan".to_string();
[INFO] [stderr]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_my_name`
[INFO] [stderr]  --> src/new.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn print_my_name() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_to_waitlist`
[INFO] [stderr]  --> src/restaurant.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 |         pub fn add_to_waitlist() {}
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eat_at_restaurant`
[INFO] [stderr]  --> src/restaurant.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn eat_at_restaurant() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `crates_practice` (bin "crates_practice" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crates_practice-51ceda673a0fd191)
[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" "d2eb609d0496af37d25718d81a16d718f11fd2183b25d10da77a8b6684ea46cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2eb609d0496af37d25718d81a16d718f11fd2183b25d10da77a8b6684ea46cb", kill_on_drop: false }`
[INFO] [stdout] d2eb609d0496af37d25718d81a16d718f11fd2183b25d10da77a8b6684ea46cb