[INFO] cloning repository https://github.com/bimalkeeth/functions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bimalkeeth/functions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbimalkeeth%2Ffunctions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbimalkeeth%2Ffunctions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1aeade94ed4c72f4c6cc652b57602f43e1b70207
[INFO] checking bimalkeeth/functions against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbimalkeeth%2Ffunctions" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bimalkeeth/functions
[INFO] finished tweaking git repo https://github.com/bimalkeeth/functions
[INFO] tweaked toml for git repo https://github.com/bimalkeeth/functions written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bimalkeeth/functions on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bimalkeeth/functions 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" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "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] 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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98754d3d822e3044a9cc53a9c0cff21169ff628658b293faae6e02f7e3f9671c
[INFO] running `Command { std: "docker" "start" "-a" "98754d3d822e3044a9cc53a9c0cff21169ff628658b293faae6e02f7e3f9671c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98754d3d822e3044a9cc53a9c0cff21169ff628658b293faae6e02f7e3f9671c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98754d3d822e3044a9cc53a9c0cff21169ff628658b293faae6e02f7e3f9671c", kill_on_drop: false }`
[INFO] [stdout] 98754d3d822e3044a9cc53a9c0cff21169ff628658b293faae6e02f7e3f9671c
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ac6d3a49ff23688299ba412b64b7d9f9dac0682d77e6569ceeb37c1694f2d82
[INFO] running `Command { std: "docker" "start" "-a" "1ac6d3a49ff23688299ba412b64b7d9f9dac0682d77e6569ceeb37c1694f2d82", kill_on_drop: false }`
[INFO] [stderr]     Checking functions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Voice` is never used
[INFO] [stdout]  --> src/traits/ex01.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Voice {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Voice` is never used
[INFO] [stdout]  --> src/traits/ex01.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Voice {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]  --> src/traits/ex01.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Dog{
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cat` is never constructed
[INFO] [stdout]   --> src/traits/ex01.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Cat{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]  --> src/traits/ex01.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Dog{
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_it_sound` is never used
[INFO] [stdout]   --> src/traits/ex01.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn make_it_sound<T:Voice>(b:T){
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]  --> src/traits/ex02.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Dog{}
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cat` is never constructed
[INFO] [stdout]   --> src/traits/ex01.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Cat{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cat` is never constructed
[INFO] [stdout]  --> src/traits/ex02.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Cat{}
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_it_sound` is never used
[INFO] [stdout]   --> src/traits/ex01.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn make_it_sound<T:Voice>(b:T){
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Animal` is never used
[INFO] [stdout]  --> src/traits/ex02.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Animal {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]  --> src/traits/ex02.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Dog{}
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_animal` is never used
[INFO] [stdout]  --> src/traits/ex02.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn get_animal(rand_number:f64)->Box<dyn Animal>{
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cat` is never constructed
[INFO] [stdout]  --> src/traits/ex02.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Cat{}
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/traits/ex03.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Point{
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Animal` is never used
[INFO] [stdout]  --> src/traits/ex02.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Animal {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_animal` is never used
[INFO] [stdout]  --> src/traits/ex02.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn get_animal(rand_number:f64)->Box<dyn Animal>{
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/traits/ex03.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Point{
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "1ac6d3a49ff23688299ba412b64b7d9f9dac0682d77e6569ceeb37c1694f2d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac6d3a49ff23688299ba412b64b7d9f9dac0682d77e6569ceeb37c1694f2d82", kill_on_drop: false }`
[INFO] [stdout] 1ac6d3a49ff23688299ba412b64b7d9f9dac0682d77e6569ceeb37c1694f2d82