[INFO] cloning repository https://github.com/pei-pay/rust-basics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pei-pay/rust-basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpei-pay%2Frust-basics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpei-pay%2Frust-basics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82c33b5bf7adda449a4e781dc3b4ccaedbd131c8
[INFO] testing pei-pay/rust-basics against 1.84.0 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpei-pay%2Frust-basics" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pei-pay/rust-basics on toolchain 1.84.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pei-pay/rust-basics
[INFO] finished tweaking git repo https://github.com/pei-pay/rust-basics
[INFO] tweaked toml for git repo https://github.com/pei-pay/rust-basics written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pei-pay/rust-basics 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" "+1.84.0" "fetch" "--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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78d8ed0986f97bde3510f802cd8a1fe19525311b21837d0d8f63556e88ce4d59
[INFO] running `Command { std: "docker" "start" "-a" "78d8ed0986f97bde3510f802cd8a1fe19525311b21837d0d8f63556e88ce4d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78d8ed0986f97bde3510f802cd8a1fe19525311b21837d0d8f63556e88ce4d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d8ed0986f97bde3510f802cd8a1fe19525311b21837d0d8f63556e88ce4d59", kill_on_drop: false }`
[INFO] [stdout] 78d8ed0986f97bde3510f802cd8a1fe19525311b21837d0d8f63556e88ce4d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6651557f371c95a89af1f5b6fb3e3f303eea49c310c648ba61a5f502cd9bb3fa
[INFO] running `Command { std: "docker" "start" "-a" "6651557f371c95a89af1f5b6fb3e3f303eea49c310c648ba61a5f502cd9bb3fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-basics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]  --> src/enum_type/intro.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 |   V4(u8, u8, u8, u8),
[INFO] [stdout]   |   -- ^^  ^^  ^^  ^^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 8 |   V4((), (), (), ()),
[INFO] [stdout]   |      ~~  ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/enum_type/intro.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 |   V6(String),
[INFO] [stdout]   |   -- ^^^^^^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 |   V6(()),
[INFO] [stdout]   |      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/enum_type/intro.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |   Write(String),
[INFO] [stdout]    |   ----- ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 |   Write(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/structure/intro.rs:37:16
[INFO] [stdout]    |
[INFO] [stdout] 37 |   struct Color(i32, i32, i32);
[INFO] [stdout]    |          ----- ^^^  ^^^  ^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/structure/intro.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |   struct Point(i32, i32, i32);
[INFO] [stdout]    |          ----- ^^^  ^^^  ^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "6651557f371c95a89af1f5b6fb3e3f303eea49c310c648ba61a5f502cd9bb3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6651557f371c95a89af1f5b6fb3e3f303eea49c310c648ba61a5f502cd9bb3fa", kill_on_drop: false }`
[INFO] [stdout] 6651557f371c95a89af1f5b6fb3e3f303eea49c310c648ba61a5f502cd9bb3fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75b7f598059073f89bc3b1fe1fbf2a93b8432cdd83a58984347929248ea65771
[INFO] running `Command { std: "docker" "start" "-a" "75b7f598059073f89bc3b1fe1fbf2a93b8432cdd83a58984347929248ea65771", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-basics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]  --> src/enum_type/intro.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 |   V4(u8, u8, u8, u8),
[INFO] [stdout]   |   -- ^^  ^^  ^^  ^^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 8 |   V4((), (), (), ()),
[INFO] [stdout]   |      ~~  ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/enum_type/intro.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 |   V6(String),
[INFO] [stdout]   |   -- ^^^^^^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 |   V6(()),
[INFO] [stdout]   |      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/enum_type/intro.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |   Write(String),
[INFO] [stdout]    |   ----- ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 |   Write(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/structure/intro.rs:37:16
[INFO] [stdout]    |
[INFO] [stdout] 37 |   struct Color(i32, i32, i32);
[INFO] [stdout]    |          ----- ^^^  ^^^  ^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/structure/intro.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |   struct Point(i32, i32, i32);
[INFO] [stdout]    |          ----- ^^^  ^^^  ^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "75b7f598059073f89bc3b1fe1fbf2a93b8432cdd83a58984347929248ea65771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b7f598059073f89bc3b1fe1fbf2a93b8432cdd83a58984347929248ea65771", kill_on_drop: false }`
[INFO] [stdout] 75b7f598059073f89bc3b1fe1fbf2a93b8432cdd83a58984347929248ea65771
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9f2f5e87f51d231ddfce4ee9e426b7be3029f0e992a0f9885f5339bf23b8fb09
[INFO] running `Command { std: "docker" "start" "-a" "9f2f5e87f51d231ddfce4ee9e426b7be3029f0e992a0f9885f5339bf23b8fb09", kill_on_drop: false }`
[INFO] [stderr] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stderr]  --> src/enum_type/intro.rs:8:6
[INFO] [stderr]   |
[INFO] [stderr] 8 |   V4(u8, u8, u8, u8),
[INFO] [stderr]   |   -- ^^  ^^  ^^  ^^
[INFO] [stderr]   |   |
[INFO] [stderr]   |   fields in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]   |
[INFO] [stderr] 8 |   V4((), (), (), ()),
[INFO] [stderr]   |      ~~  ~~  ~~  ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/enum_type/intro.rs:9:6
[INFO] [stderr]   |
[INFO] [stderr] 9 |   V6(String),
[INFO] [stderr]   |   -- ^^^^^^
[INFO] [stderr]   |   |
[INFO] [stderr]   |   field in this variant
[INFO] [stderr]   |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 9 |   V6(()),
[INFO] [stderr]   |      ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/enum_type/intro.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |   Write(String),
[INFO] [stderr]    |   ----- ^^^^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 16 |   Write(()),
[INFO] [stderr]    |         ~~
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, and `2` are never read
[INFO] [stderr]   --> src/structure/intro.rs:37:16
[INFO] [stderr]    |
[INFO] [stderr] 37 |   struct Color(i32, i32, i32);
[INFO] [stderr]    |          ----- ^^^  ^^^  ^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          fields in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing these fields
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, and `2` are never read
[INFO] [stderr]   --> src/structure/intro.rs:38:16
[INFO] [stderr]    |
[INFO] [stderr] 38 |   struct Point(i32, i32, i32);
[INFO] [stderr]    |          ----- ^^^  ^^^  ^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          fields in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing these fields
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-basics` (bin "rust-basics" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_basics-175791caa193b9cd)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9f2f5e87f51d231ddfce4ee9e426b7be3029f0e992a0f9885f5339bf23b8fb09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f2f5e87f51d231ddfce4ee9e426b7be3029f0e992a0f9885f5339bf23b8fb09", kill_on_drop: false }`
[INFO] [stdout] 9f2f5e87f51d231ddfce4ee9e426b7be3029f0e992a0f9885f5339bf23b8fb09