[INFO] cloning repository https://github.com/abigger87/RustAlgorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abigger87/RustAlgorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabigger87%2FRustAlgorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabigger87%2FRustAlgorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14e3bd073f08fc24757d3aea4abaad3f9d198d48
[INFO] checking abigger87/RustAlgorithms against try#5d96fa0e954d77528204a1ba3b8847ec083c779b for pr-153457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabigger87%2FRustAlgorithms" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
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[INFO] started tweaking git repo https://github.com/abigger87/RustAlgorithms
[INFO] finished tweaking git repo https://github.com/abigger87/RustAlgorithms
[INFO] tweaked toml for git repo https://github.com/abigger87/RustAlgorithms written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abigger87/RustAlgorithms on toolchain 5d96fa0e954d77528204a1ba3b8847ec083c779b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/abigger87/RustAlgorithms 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" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5af321821aa0f710ba0bb4e1a937a269fb50557239bfdd0443c5776255dd6648
[INFO] running `Command { std: "docker" "start" "-a" "5af321821aa0f710ba0bb4e1a937a269fb50557239bfdd0443c5776255dd6648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5af321821aa0f710ba0bb4e1a937a269fb50557239bfdd0443c5776255dd6648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5af321821aa0f710ba0bb4e1a937a269fb50557239bfdd0443c5776255dd6648", kill_on_drop: false }`
[INFO] [stdout] 5af321821aa0f710ba0bb4e1a937a269fb50557239bfdd0443c5776255dd6648
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa3d7794b592f171e76c3fbb5f90e530bb290f407512c4ad24b7a3e165c63c93
[INFO] running `Command { std: "docker" "start" "-a" "aa3d7794b592f171e76c3fbb5f90e530bb290f407512c4ad24b7a3e165c63c93", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking restaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> restaurant/src/lib.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn serve_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eat_at_restaurant` is never used
[INFO] [stdout]  --> restaurant/src/lib.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn eat_at_restaurant() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fix_incorrect_order() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn cook_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Appetizer` is never used
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum Appetizer {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> restaurant/src/back_of_house.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Breakfast {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 14 |     pub toast: String,
[INFO] [stdout] 15 |     seasonal_fruit: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn seat_at_table() {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn take_order() {}
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn serve_order() {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn take_payment() {}
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `secret_number`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let secret_number = rand::thread_rng().gen_range(1, 101);
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_number`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] [stdout] warning: unused variable: `secret_number`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let secret_number = rand::thread_rng().gen_range(1, 101);
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_number`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa3d7794b592f171e76c3fbb5f90e530bb290f407512c4ad24b7a3e165c63c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa3d7794b592f171e76c3fbb5f90e530bb290f407512c4ad24b7a3e165c63c93", kill_on_drop: false }`
[INFO] [stdout] aa3d7794b592f171e76c3fbb5f90e530bb290f407512c4ad24b7a3e165c63c93
