[INFO] cloning repository https://github.com/k0nAtbl4/graphic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k0nAtbl4/graphic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0nAtbl4%2Fgraphic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0nAtbl4%2Fgraphic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac90df2e482a1744aa1fb9c1363298801932dd53
[INFO] checking k0nAtbl4/graphic against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0nAtbl4%2Fgraphic" "/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/k0nAtbl4/graphic
[INFO] finished tweaking git repo https://github.com/k0nAtbl4/graphic
[INFO] tweaked toml for git repo https://github.com/k0nAtbl4/graphic written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/k0nAtbl4/graphic on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/k0nAtbl4/graphic 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0e370e907c9fd2f6efe84c8d5508b5665cc1446b78f4b129f39af582eb0f192
[INFO] running `Command { std: "docker" "start" "-a" "f0e370e907c9fd2f6efe84c8d5508b5665cc1446b78f4b129f39af582eb0f192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0e370e907c9fd2f6efe84c8d5508b5665cc1446b78f4b129f39af582eb0f192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e370e907c9fd2f6efe84c8d5508b5665cc1446b78f4b129f39af582eb0f192", kill_on_drop: false }`
[INFO] [stdout] f0e370e907c9fd2f6efe84c8d5508b5665cc1446b78f4b129f39af582eb0f192
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cfa67382bdbd93b161eaead75327cc92ed6f6caedec350e4549e49bdd38cb18
[INFO] running `Command { std: "docker" "start" "-a" "3cfa67382bdbd93b161eaead75327cc92ed6f6caedec350e4549e49bdd38cb18", kill_on_drop: false }`
[INFO] [stderr]     Checking graphic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/main.rs:18:33
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn Render(func: String, size: Size) -> String {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/main.rs:18:33
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn Render(func: String, size: Size) -> String {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Size` is more private than the item `Plane::Render`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn Render(func: String, size: Size) -> String {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Plane::Render` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Size` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/main.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Size {
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Size` is more private than the item `Plane::Render`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn Render(func: String, size: Size) -> String {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Plane::Render` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Size` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/main.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Size {
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Formula` is never constructed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Formula{
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Formula` is never constructed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Formula{
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `y_name`, `x_name`, `x`, and `b` are never read
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Formula{
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 2 |     y_name: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     x_name: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     x: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout] 5 |     b: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `y_name`, `x_name`, `x`, and `b` are never read
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Formula{
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 2 |     y_name: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     x_name: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     x: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout] 5 |     b: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size_x` and `size_y` are never read
[INFO] [stdout]   --> src/main.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Size {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout]  8 |     // size of coordinate plane
[INFO] [stdout]  9 |     pub size_x: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 10 |     pub size_y: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size_x` and `size_y` are never read
[INFO] [stdout]   --> src/main.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Size {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout]  8 |     // size of coordinate plane
[INFO] [stdout]  9 |     pub size_x: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 10 |     pub size_y: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `size` are never read
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Plane {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 13 |     x: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 14 |     y: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 15 |     size: Size,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `size` are never read
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Plane {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 13 |     x: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 14 |     y: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 15 |     size: Size,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Render` should have a snake case name
[INFO] [stdout]   --> src/main.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn Render(func: String, size: Size) -> String {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `render`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Render` should have a snake case name
[INFO] [stdout]   --> src/main.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn Render(func: String, size: Size) -> String {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `render`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `graphic` (bin "graphic") due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `graphic` (bin "graphic" test) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3cfa67382bdbd93b161eaead75327cc92ed6f6caedec350e4549e49bdd38cb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cfa67382bdbd93b161eaead75327cc92ed6f6caedec350e4549e49bdd38cb18", kill_on_drop: false }`
[INFO] [stdout] 3cfa67382bdbd93b161eaead75327cc92ed6f6caedec350e4549e49bdd38cb18