[INFO] cloning repository https://github.com/Babbleshack/rust_stateful_selector
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Babbleshack/rust_stateful_selector" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBabbleshack%2Frust_stateful_selector", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBabbleshack%2Frust_stateful_selector'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b13918799ae404ee7664c2b7f1c32f26baffdc02
[INFO] building Babbleshack/rust_stateful_selector against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBabbleshack%2Frust_stateful_selector" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Babbleshack/rust_stateful_selector on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Babbleshack/rust_stateful_selector
[INFO] finished tweaking git repo https://github.com/Babbleshack/rust_stateful_selector
[INFO] tweaked toml for git repo https://github.com/Babbleshack/rust_stateful_selector written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Babbleshack/rust_stateful_selector 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e5b1c3601967c8f2d0b65362187f10ab26cc35a52bb36a867199d0618402387
[INFO] running `Command { std: "docker" "start" "-a" "5e5b1c3601967c8f2d0b65362187f10ab26cc35a52bb36a867199d0618402387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e5b1c3601967c8f2d0b65362187f10ab26cc35a52bb36a867199d0618402387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5b1c3601967c8f2d0b65362187f10ab26cc35a52bb36a867199d0618402387", kill_on_drop: false }`
[INFO] [stdout] 5e5b1c3601967c8f2d0b65362187f10ab26cc35a52bb36a867199d0618402387
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7adc99fb44612b8cdc5ca83f5b0f0970d4c03cd6005b74b138743161083538f
[INFO] running `Command { std: "docker" "start" "-a" "b7adc99fb44612b8cdc5ca83f5b0f0970d4c03cd6005b74b138743161083538f", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]   --> src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait SelectionAlgorithm {
[INFO] [stdout]    |       ------------------ method in this trait
[INFO] [stdout] 13 |     fn next(&self) -> Option<usize>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RoundRobin` is never constructed
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct RoundRobin(AtomicUsize);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `backends`, `projection`, and `algorithm` are never read
[INFO] [stdout]   --> src/lib.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct SelectionAlgorithmState<'a, A> {
[INFO] [stdout]    |        ----------------------- fields in this struct
[INFO] [stdout] 37 |     /// Set of backends
[INFO] [stdout] 38 |     backends: Box<[Backend]>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 39 |     /// Indexes projected according to backend weights
[INFO] [stdout] 40 |     projection: Vec<u16>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 41 |     /// Selection Algorithm
[INFO] [stdout] 42 |     algorithm: A,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Selector` is never used
[INFO] [stdout]   --> src/lib.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | trait Selector<'a> {
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/backends.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Backend {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     pub value: usize,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Backend` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "b7adc99fb44612b8cdc5ca83f5b0f0970d4c03cd6005b74b138743161083538f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7adc99fb44612b8cdc5ca83f5b0f0970d4c03cd6005b74b138743161083538f", kill_on_drop: false }`
[INFO] [stdout] b7adc99fb44612b8cdc5ca83f5b0f0970d4c03cd6005b74b138743161083538f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad72b123904ed8fe85d5f516a8770d3b2b6db4a078cc6bc309b57665ee4bf28f
[INFO] running `Command { std: "docker" "start" "-a" "ad72b123904ed8fe85d5f516a8770d3b2b6db4a078cc6bc309b57665ee4bf28f", kill_on_drop: false }`
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]   --> src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait SelectionAlgorithm {
[INFO] [stdout]    |       ------------------ method in this trait
[INFO] [stdout] 13 |     fn next(&self) -> Option<usize>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RoundRobin` is never constructed
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct RoundRobin(AtomicUsize);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `backends`, `projection`, and `algorithm` are never read
[INFO] [stdout]   --> src/lib.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct SelectionAlgorithmState<'a, A> {
[INFO] [stdout]    |        ----------------------- fields in this struct
[INFO] [stdout] 37 |     /// Set of backends
[INFO] [stdout] 38 |     backends: Box<[Backend]>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 39 |     /// Indexes projected according to backend weights
[INFO] [stdout] 40 |     projection: Vec<u16>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 41 |     /// Selection Algorithm
[INFO] [stdout] 42 |     algorithm: A,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Selector` is never used
[INFO] [stdout]   --> src/lib.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | trait Selector<'a> {
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/backends.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Backend {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     pub value: usize,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Backend` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling iter_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "ad72b123904ed8fe85d5f516a8770d3b2b6db4a078cc6bc309b57665ee4bf28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad72b123904ed8fe85d5f516a8770d3b2b6db4a078cc6bc309b57665ee4bf28f", kill_on_drop: false }`
[INFO] [stdout] ad72b123904ed8fe85d5f516a8770d3b2b6db4a078cc6bc309b57665ee4bf28f
