[INFO] fetching crate backyardluan 0.1.0...
[INFO] checking backyardluan-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate backyardluan 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate backyardluan 0.1.0
[INFO] finished tweaking crates.io crate backyardluan 0.1.0
[INFO] tweaked toml for crates.io crate backyardluan 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate backyardluan 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate backyardluan 0.1.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9437b41f02765733f20460fae68f010a4238c20fd9ed5d6b1d76239adc1cc98c
[INFO] running `Command { std: "docker" "start" "-a" "9437b41f02765733f20460fae68f010a4238c20fd9ed5d6b1d76239adc1cc98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9437b41f02765733f20460fae68f010a4238c20fd9ed5d6b1d76239adc1cc98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9437b41f02765733f20460fae68f010a4238c20fd9ed5d6b1d76239adc1cc98c", kill_on_drop: false }`
[INFO] [stdout] 9437b41f02765733f20460fae68f010a4238c20fd9ed5d6b1d76239adc1cc98c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4629b8b2d9f6b717ee3db8dff95ddf211cf07113144bb1b0697af5642f949288
[INFO] running `Command { std: "docker" "start" "-a" "4629b8b2d9f6b717ee3db8dff95ddf211cf07113144bb1b0697af5642f949288", kill_on_drop: false }`
[INFO] [stderr]     Checking backyardluan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:45:34
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_to_waitlist` is never used
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |         fn add_to_waitlist() {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |         fn seat_at_table() {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |         fn take_order() {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]   --> src/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |         fn serve_order() {}
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]   --> src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn take_payment() {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:45:34
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_to_waitlist` is never used
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |         fn add_to_waitlist() {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |         fn seat_at_table() {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |         fn take_order() {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]   --> src/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |         fn serve_order() {}
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]   --> src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn take_payment() {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ShirtColor` is never used
[INFO] [stdout]  --> src/main.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum ShirtColor {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Inventory` is never constructed
[INFO] [stdout]  --> src/main.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Inventory {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `giveaway` and `most_stocked` are never used
[INFO] [stdout]   --> src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Inventory {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 12 |     fn giveaway(&self, user_preference: Option<ShirtColor>) -> ShirtColor {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn most_stocked(&self) -> ShirtColor {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ShirtColor` is never used
[INFO] [stdout]  --> src/main.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum ShirtColor {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Inventory` is never constructed
[INFO] [stdout]  --> src/main.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Inventory {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `giveaway` and `most_stocked` are never used
[INFO] [stdout]   --> src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Inventory {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 12 |     fn giveaway(&self, user_preference: Option<ShirtColor>) -> ShirtColor {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn most_stocked(&self) -> ShirtColor {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "4629b8b2d9f6b717ee3db8dff95ddf211cf07113144bb1b0697af5642f949288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4629b8b2d9f6b717ee3db8dff95ddf211cf07113144bb1b0697af5642f949288", kill_on_drop: false }`
[INFO] [stdout] 4629b8b2d9f6b717ee3db8dff95ddf211cf07113144bb1b0697af5642f949288