[INFO] cloning repository https://github.com/gordonglas/rustlang-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gordonglas/rustlang-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgordonglas%2Frustlang-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgordonglas%2Frustlang-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94d999059f262c683ffcc9e37fd936e161268135
[INFO] testing gordonglas/rustlang-book against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgordonglas%2Frustlang-book" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gordonglas/rustlang-book
[INFO] finished tweaking git repo https://github.com/gordonglas/rustlang-book
[INFO] tweaked toml for git repo https://github.com/gordonglas/rustlang-book written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gordonglas/rustlang-book on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gordonglas/rustlang-book 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c00be322b342001ab6af5c838519d96e1914bca3058d95efb33d6ac1d63b5cd
[INFO] running `Command { std: "docker" "start" "-a" "0c00be322b342001ab6af5c838519d96e1914bca3058d95efb33d6ac1d63b5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c00be322b342001ab6af5c838519d96e1914bca3058d95efb33d6ac1d63b5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c00be322b342001ab6af5c838519d96e1914bca3058d95efb33d6ac1d63b5cd", kill_on_drop: false }`
[INFO] [stdout] 0c00be322b342001ab6af5c838519d96e1914bca3058d95efb33d6ac1d63b5cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 0b853dbbeb1a3bf4bac7b624ceca0d1f2b237284c54aa533dee5a210d662bfe5
[INFO] running `Command { std: "docker" "start" "-a" "0b853dbbeb1a3bf4bac7b624ceca0d1f2b237284c54aa533dee5a210d662bfe5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling enums v0.1.0 (/opt/rustwide/workdir/Chapter06/enums)
[INFO] [stderr]    Compiling rectangle v0.1.0 (/opt/rustwide/workdir/Chapter05/rectangle)
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/Chapter07/restaurant)
[INFO] [stdout] warning: unused import: `std::io::Result as IoResult`
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::io::Result as IoResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order1`
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let order1 = back_of_house::Appetizer::Soup;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order2`
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let order2 = back_of_house::Appetizer::Salad;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip_kind`
[INFO] [stdout]   --> Chapter06/enums/src/main.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn route(ip_kind: IpAddrKind) {
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_kind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn deliver_order() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> Chapter07/restaurant/src/front_of_house.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn take_order() {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> Chapter07/restaurant/src/front_of_house.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn serve_order() {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> Chapter07/restaurant/src/front_of_house.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn take_payment() {}
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn fix_incorrect_order() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn cook_order() {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub struct Breakfast {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 72 |         pub toast: String,
[INFO] [stdout] 73 |         seasonal_fruit: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/Chapter02/guessing_game)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "0b853dbbeb1a3bf4bac7b624ceca0d1f2b237284c54aa533dee5a210d662bfe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b853dbbeb1a3bf4bac7b624ceca0d1f2b237284c54aa533dee5a210d662bfe5", kill_on_drop: false }`
[INFO] [stdout] 0b853dbbeb1a3bf4bac7b624ceca0d1f2b237284c54aa533dee5a210d662bfe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2b8186e153eefeb26edefa838983de09c2a4e5285f8b402af4f1824ee9808dac
[INFO] running `Command { std: "docker" "start" "-a" "2b8186e153eefeb26edefa838983de09c2a4e5285f8b402af4f1824ee9808dac", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::io::Result as IoResult`
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::io::Result as IoResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order1`
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let order1 = back_of_house::Appetizer::Soup;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order2`
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let order2 = back_of_house::Appetizer::Salad;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn deliver_order() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/Chapter07/restaurant)
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> Chapter07/restaurant/src/front_of_house.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn take_order() {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rectangle v0.1.0 (/opt/rustwide/workdir/Chapter05/rectangle)
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> Chapter07/restaurant/src/front_of_house.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn serve_order() {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling enums v0.1.0 (/opt/rustwide/workdir/Chapter06/enums)
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> Chapter07/restaurant/src/front_of_house.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn take_payment() {}
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/Chapter02/guessing_game)
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn fix_incorrect_order() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn cook_order() {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub struct Breakfast {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 72 |         pub toast: String,
[INFO] [stdout] 73 |         seasonal_fruit: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip_kind`
[INFO] [stdout]   --> Chapter06/enums/src/main.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn route(ip_kind: IpAddrKind) {
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_kind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Result as IoResult`
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::io::Result as IoResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order1`
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let order1 = back_of_house::Appetizer::Soup;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order2`
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let order2 = back_of_house::Appetizer::Salad;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn deliver_order() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> Chapter07/restaurant/src/front_of_house.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn take_order() {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> Chapter07/restaurant/src/front_of_house.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn serve_order() {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> Chapter07/restaurant/src/front_of_house.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn take_payment() {}
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn fix_incorrect_order() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn cook_order() {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> Chapter07/restaurant/src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub struct Breakfast {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 72 |         pub toast: String,
[INFO] [stdout] 73 |         seasonal_fruit: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "2b8186e153eefeb26edefa838983de09c2a4e5285f8b402af4f1824ee9808dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8186e153eefeb26edefa838983de09c2a4e5285f8b402af4f1824ee9808dac", kill_on_drop: false }`
[INFO] [stdout] 2b8186e153eefeb26edefa838983de09c2a4e5285f8b402af4f1824ee9808dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 791d7e88d13d9c5c0f4b3fbfce92596ade05453ee2e1c7f6ef2312743c0d9a45
[INFO] running `Command { std: "docker" "start" "-a" "791d7e88d13d9c5c0f4b3fbfce92596ade05453ee2e1c7f6ef2312743c0d9a45", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io::Result as IoResult`
[INFO] [stderr]   --> Chapter07/restaurant/src/lib.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::io::Result as IoResult;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `order1`
[INFO] [stderr]   --> Chapter07/restaurant/src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let order1 = back_of_house::Appetizer::Soup;
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `order2`
[INFO] [stderr]   --> Chapter07/restaurant/src/lib.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let order2 = back_of_house::Appetizer::Salad;
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stderr] 
[INFO] [stderr] warning: function `deliver_order` is never used
[INFO] [stderr]   --> Chapter07/restaurant/src/lib.rs:60:4
[INFO] [stderr]    |
[INFO] [stderr] 60 | fn deliver_order() {}
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `take_order` is never used
[INFO] [stderr]  --> Chapter07/restaurant/src/front_of_house.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn take_order() {}
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `serve_order` is never used
[INFO] [stderr]  --> Chapter07/restaurant/src/front_of_house.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn serve_order() {}
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `take_payment` is never used
[INFO] [stderr]  --> Chapter07/restaurant/src/front_of_house.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn take_payment() {}
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fix_incorrect_order` is never used
[INFO] [stderr]   --> Chapter07/restaurant/src/lib.rs:63:8
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn fix_incorrect_order() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `cook_order` is never used
[INFO] [stderr]   --> Chapter07/restaurant/src/lib.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn cook_order() {}
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `seasonal_fruit` is never read
[INFO] [stderr]   --> Chapter07/restaurant/src/lib.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub struct Breakfast {
[INFO] [stderr]    |                --------- field in this struct
[INFO] [stderr] 72 |         pub toast: String,
[INFO] [stderr] 73 |         seasonal_fruit: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ip_kind`
[INFO] [stderr]   --> Chapter06/enums/src/main.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn route(ip_kind: IpAddrKind) {
[INFO] [stderr]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_kind`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `restaurant` (lib) generated 10 warnings (run `cargo fix --lib -p restaurant` to apply 1 suggestion)
[INFO] [stderr] warning: `enums` (bin "enums" test) generated 1 warning
[INFO] [stderr] warning: `restaurant` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/enums-964d96586616d8d6)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/guessing_game-834147e9eb3ca288)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rectangle-b82b865fa4637f28)
[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] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/restaurant-4e6ffe35057d72fe)
[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" "791d7e88d13d9c5c0f4b3fbfce92596ade05453ee2e1c7f6ef2312743c0d9a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791d7e88d13d9c5c0f4b3fbfce92596ade05453ee2e1c7f6ef2312743c0d9a45", kill_on_drop: false }`
[INFO] [stdout] 791d7e88d13d9c5c0f4b3fbfce92596ade05453ee2e1c7f6ef2312743c0d9a45