[INFO] cloning repository https://github.com/qiubinglin/tinyrenderer_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qiubinglin/tinyrenderer_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiubinglin%2Ftinyrenderer_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiubinglin%2Ftinyrenderer_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aed7c6bd593abed9908aa3a5000365f91fabca2c
[INFO] checking qiubinglin/tinyrenderer_rust against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiubinglin%2Ftinyrenderer_rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qiubinglin/tinyrenderer_rust on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qiubinglin/tinyrenderer_rust
[INFO] finished tweaking git repo https://github.com/qiubinglin/tinyrenderer_rust
[INFO] tweaked toml for git repo https://github.com/qiubinglin/tinyrenderer_rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/qiubinglin/tinyrenderer_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 409e9d5fbe8a644cb636d61c63af292596cdad44ac6141ed0d30d68b40fd496f
[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" "409e9d5fbe8a644cb636d61c63af292596cdad44ac6141ed0d30d68b40fd496f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "409e9d5fbe8a644cb636d61c63af292596cdad44ac6141ed0d30d68b40fd496f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409e9d5fbe8a644cb636d61c63af292596cdad44ac6141ed0d30d68b40fd496f", kill_on_drop: false }`
[INFO] [stdout] 409e9d5fbe8a644cb636d61c63af292596cdad44ac6141ed0d30d68b40fd496f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3859a0f96506134b7a870835f03e88bf32fa61d0dcd75b9a688291c5bbd94760
[INFO] running `Command { std: "docker" "start" "-a" "3859a0f96506134b7a870835f03e88bf32fa61d0dcd75b9a688291c5bbd94760", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking tinyrenderer_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let a = 1;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let a = 1;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TGAHeader`
[INFO] [stdout]  --> src/tgaimage.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TGAHeader {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bytespp`
[INFO] [stdout]   --> src/tgaimage.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     bytespp: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TGAImage`
[INFO] [stdout]   --> src/tgaimage.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct TGAImage {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TGAHeader`
[INFO] [stdout]  --> src/tgaimage.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TGAHeader {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bytespp`
[INFO] [stdout]   --> src/tgaimage.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     bytespp: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TGAImage`
[INFO] [stdout]   --> src/tgaimage.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct TGAImage {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3859a0f96506134b7a870835f03e88bf32fa61d0dcd75b9a688291c5bbd94760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3859a0f96506134b7a870835f03e88bf32fa61d0dcd75b9a688291c5bbd94760", kill_on_drop: false }`
[INFO] [stdout] 3859a0f96506134b7a870835f03e88bf32fa61d0dcd75b9a688291c5bbd94760