[INFO] cloning repository https://github.com/martinf08/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martinf08/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinf08%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinf08%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e18e82bd073443f504b953f30aeeb9abe1cc8df7
[INFO] checking martinf08/rust against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinf08%2Frust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martinf08/rust on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/martinf08/rust
[INFO] finished tweaking git repo https://github.com/martinf08/rust
[INFO] tweaked toml for git repo https://github.com/martinf08/rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/martinf08/rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 681a34f63141ab8ccf69d3a9e5259df1535abe0f7a1b90c219bf9394e69abbff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "681a34f63141ab8ccf69d3a9e5259df1535abe0f7a1b90c219bf9394e69abbff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "681a34f63141ab8ccf69d3a9e5259df1535abe0f7a1b90c219bf9394e69abbff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "681a34f63141ab8ccf69d3a9e5259df1535abe0f7a1b90c219bf9394e69abbff", kill_on_drop: false }`
[INFO] [stdout] 681a34f63141ab8ccf69d3a9e5259df1535abe0f7a1b90c219bf9394e69abbff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cabec8735b08d0d5fd4d42e1c3049e6fa6c9d152cd69d2fe2fb1ce1ab7a87e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7cabec8735b08d0d5fd4d42e1c3049e6fa6c9d152cd69d2fe2fb1ce1ab7a87e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `seat_of_table`
[INFO] [stdout]  --> src/front_of_house.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn seat_of_table() {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `take_order`
[INFO] [stdout]  --> src/front_of_house.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn take_order() {}
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serve_order`
[INFO] [stdout]   --> src/front_of_house.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn serve_order() {}
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `take_payment`
[INFO] [stdout]   --> src/front_of_house.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn take_payment() {}
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `seasonal_fruit`
[INFO] [stdout]  --> src/back_to_house.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     seasonal_fruit: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fix_incorrect_order`
[INFO] [stdout]   --> src/back_to_house.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn fix_incorrect_order() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cook_order`
[INFO] [stdout]   --> src/back_to_house.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn cook_order() {}
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `seat_of_table`
[INFO] [stdout]  --> src/front_of_house.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn seat_of_table() {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `take_order`
[INFO] [stdout]  --> src/front_of_house.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn take_order() {}
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serve_order`
[INFO] [stdout]   --> src/front_of_house.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn serve_order() {}
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `take_payment`
[INFO] [stdout]   --> src/front_of_house.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn take_payment() {}
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `seasonal_fruit`
[INFO] [stdout]  --> src/back_to_house.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     seasonal_fruit: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fix_incorrect_order`
[INFO] [stdout]   --> src/back_to_house.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn fix_incorrect_order() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cook_order`
[INFO] [stdout]   --> src/back_to_house.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn cook_order() {}
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.08s
[INFO] running `Command { std: "docker" "inspect" "7cabec8735b08d0d5fd4d42e1c3049e6fa6c9d152cd69d2fe2fb1ce1ab7a87e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cabec8735b08d0d5fd4d42e1c3049e6fa6c9d152cd69d2fe2fb1ce1ab7a87e3", kill_on_drop: false }`
[INFO] [stdout] 7cabec8735b08d0d5fd4d42e1c3049e6fa6c9d152cd69d2fe2fb1ce1ab7a87e3