[INFO] fetching crate step-rust 0.1.0...
[INFO] testing step-rust-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate step-rust 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate step-rust 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate step-rust 0.1.0
[INFO] finished tweaking crates.io crate step-rust 0.1.0
[INFO] tweaked toml for crates.io crate step-rust 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate step-rust 0.1.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb44dfa320141286894f174e0df11f6eb4b3d117507ed2b8dc7aed11cd46eb33
[INFO] running `Command { std: "docker" "start" "-a" "eb44dfa320141286894f174e0df11f6eb4b3d117507ed2b8dc7aed11cd46eb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb44dfa320141286894f174e0df11f6eb4b3d117507ed2b8dc7aed11cd46eb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb44dfa320141286894f174e0df11f6eb4b3d117507ed2b8dc7aed11cd46eb33", kill_on_drop: false }`
[INFO] [stdout] eb44dfa320141286894f174e0df11f6eb4b3d117507ed2b8dc7aed11cd46eb33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a913cc93c4f834df0337178799fb7bfb16cb4fb958f22572d11d6564cbbdf02
[INFO] running `Command { std: "docker" "start" "-a" "4a913cc93c4f834df0337178799fb7bfb16cb4fb958f22572d11d6564cbbdf02", kill_on_drop: false }`
[INFO] [stderr]    Compiling step-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]  --> src/closure.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let closure_1 = |num| {
[INFO] [stdout]   |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/closure.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let closure_1 = |num| {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closure1` is never used
[INFO] [stdout]  --> src/closure.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn closure1() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closure2` is never used
[INFO] [stdout]   --> src/closure.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn closure2() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cacher` is never constructed
[INFO] [stdout]   --> src/closure.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Cacher<T>
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/closure.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | / impl<T> Cacher<T>
[INFO] [stdout] 44 | |     where T: Fn(u32) -> u32,
[INFO] [stdout]    | |____________________________- associated function in this implementation
[INFO] [stdout] 45 |   {
[INFO] [stdout] 46 |       fn new(calculation: T) -> Cacher<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator1` is never used
[INFO] [stdout]  --> src/iterator.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn iterator1() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator31` is never used
[INFO] [stdout]   --> src/iterator.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn iterator31() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator32` is never used
[INFO] [stdout]   --> src/iterator.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn iterator32() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator4` is never used
[INFO] [stdout]   --> src/iterator.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn iterator4() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/iterator.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Counter {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 63 |     fn new() -> Counter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator5` is never used
[INFO] [stdout]   --> src/iterator.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn iterator5() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "4a913cc93c4f834df0337178799fb7bfb16cb4fb958f22572d11d6564cbbdf02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a913cc93c4f834df0337178799fb7bfb16cb4fb958f22572d11d6564cbbdf02", kill_on_drop: false }`
[INFO] [stdout] 4a913cc93c4f834df0337178799fb7bfb16cb4fb958f22572d11d6564cbbdf02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88b987bed5592f527ed1c2286952a8af5462f3ece9237f112b9859af308d33e3
[INFO] running `Command { std: "docker" "start" "-a" "88b987bed5592f527ed1c2286952a8af5462f3ece9237f112b9859af308d33e3", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]  --> src/closure.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let closure_1 = |num| {
[INFO] [stdout]   |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/closure.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let closure_1 = |num| {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closure1` is never used
[INFO] [stdout]  --> src/closure.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn closure1() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closure2` is never used
[INFO] [stdout]   --> src/closure.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn closure2() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cacher` is never constructed
[INFO] [stdout]   --> src/closure.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Cacher<T>
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling step-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/closure.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | / impl<T> Cacher<T>
[INFO] [stdout] 44 | |     where T: Fn(u32) -> u32,
[INFO] [stdout]    | |____________________________- associated function in this implementation
[INFO] [stdout] 45 |   {
[INFO] [stdout] 46 |       fn new(calculation: T) -> Cacher<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator1` is never used
[INFO] [stdout]  --> src/iterator.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn iterator1() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator31` is never used
[INFO] [stdout]   --> src/iterator.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn iterator31() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator32` is never used
[INFO] [stdout]   --> src/iterator.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn iterator32() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator4` is never used
[INFO] [stdout]   --> src/iterator.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn iterator4() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/iterator.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Counter {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 63 |     fn new() -> Counter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator5` is never used
[INFO] [stdout]   --> src/iterator.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn iterator5() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `setup` is never used
[INFO] [stdout]  --> tests/common/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn setup() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]  --> src/closure.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let closure_1 = |num| {
[INFO] [stdout]   |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/closure.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let closure_1 = |num| {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closure1` is never used
[INFO] [stdout]  --> src/closure.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn closure1() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closure2` is never used
[INFO] [stdout]   --> src/closure.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn closure2() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cacher` is never constructed
[INFO] [stdout]   --> src/closure.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Cacher<T>
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/closure.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | / impl<T> Cacher<T>
[INFO] [stdout] 44 | |     where T: Fn(u32) -> u32,
[INFO] [stdout]    | |____________________________- associated function in this implementation
[INFO] [stdout] 45 |   {
[INFO] [stdout] 46 |       fn new(calculation: T) -> Cacher<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator1` is never used
[INFO] [stdout]  --> src/iterator.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn iterator1() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/iterator.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Counter {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 63 |     fn new() -> Counter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator5` is never used
[INFO] [stdout]   --> src/iterator.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn iterator5() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "88b987bed5592f527ed1c2286952a8af5462f3ece9237f112b9859af308d33e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b987bed5592f527ed1c2286952a8af5462f3ece9237f112b9859af308d33e3", kill_on_drop: false }`
[INFO] [stdout] 88b987bed5592f527ed1c2286952a8af5462f3ece9237f112b9859af308d33e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17a192d1ad5e6f4bd06c19aefbbab02f73ea04489f81abb0e0ea9865414d3976
[INFO] running `Command { std: "docker" "start" "-a" "17a192d1ad5e6f4bd06c19aefbbab02f73ea04489f81abb0e0ea9865414d3976", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]  --> src/closure.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let closure_1 = |num| {
[INFO] [stderr]   |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/closure.rs:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let closure_1 = |num| {
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: function `closure1` is never used
[INFO] [stderr]  --> src/closure.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn closure1() {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `closure2` is never used
[INFO] [stderr]   --> src/closure.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn closure2() {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cacher` is never constructed
[INFO] [stderr]   --> src/closure.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | struct Cacher<T>
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/closure.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | / impl<T> Cacher<T>
[INFO] [stderr] 44 | |     where T: Fn(u32) -> u32,
[INFO] [stderr]    | |____________________________- associated function in this implementation
[INFO] [stderr] 45 |   {
[INFO] [stderr] 46 |       fn new(calculation: T) -> Cacher<T> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `iterator1` is never used
[INFO] [stderr]  --> src/iterator.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn iterator1() {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `iterator31` is never used
[INFO] [stderr]   --> src/iterator.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn iterator31() {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `iterator32` is never used
[INFO] [stderr]   --> src/iterator.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn iterator32() {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `iterator4` is never used
[INFO] [stderr]   --> src/iterator.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn iterator4() {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/iterator.rs:63:8
[INFO] [stderr]    |
[INFO] [stderr] 62 | impl Counter {
[INFO] [stderr]    | ------------ associated function in this implementation
[INFO] [stderr] 63 |     fn new() -> Counter {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `iterator5` is never used
[INFO] [stderr]   --> src/iterator.rs:83:4
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn iterator5() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `step-rust` (lib) generated 12 warnings (run `cargo fix --lib -p step-rust` to apply 2 suggestions)
[INFO] [stderr] warning: function `setup` is never used
[INFO] [stderr]  --> tests/common/mod.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn setup() {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `step-rust` (test "integration2_test") generated 1 warning
[INFO] [stderr] warning: `step-rust` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/step_rust-e8e83b18f08217a0)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::another ... ignored
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::t_iterator ... ok
[INFO] [stdout] test tests::t_result ... ok
[INFO] [stdout] test tests::another2 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/step_rust-827a232e30fbc417)
[INFO] [stdout] 
[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] [stderr]      Running tests/integration2_test.rs (/opt/rustwide/target/debug/deps/integration2_test-ddc696ace5be6fad)
[INFO] [stdout] 
[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] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-b4a7c13c584b6ef4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test demo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests step-rust
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - add_two (line 29) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - add_two (line 29) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `add_one` in crate `step_rust`
[INFO] [stdout]  --> src/lib.rs:32:27
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let answer = step_rust::add_one(arg);
[INFO] [stdout]   |                           ^^^^^^^ not found in `step_rust`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - add_two (line 29)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "17a192d1ad5e6f4bd06c19aefbbab02f73ea04489f81abb0e0ea9865414d3976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a192d1ad5e6f4bd06c19aefbbab02f73ea04489f81abb0e0ea9865414d3976", kill_on_drop: false }`
[INFO] [stdout] 17a192d1ad5e6f4bd06c19aefbbab02f73ea04489f81abb0e0ea9865414d3976
[INFO] testing step-rust-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate step-rust 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate step-rust 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate step-rust 0.1.0
[INFO] finished tweaking crates.io crate step-rust 0.1.0
[INFO] tweaked toml for crates.io crate step-rust 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate step-rust 0.1.0 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a8169bb84447966d4067b00ba824805a044ac43e89b6f68e9e0eadfac48a60f
[INFO] running `Command { std: "docker" "start" "-a" "4a8169bb84447966d4067b00ba824805a044ac43e89b6f68e9e0eadfac48a60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a8169bb84447966d4067b00ba824805a044ac43e89b6f68e9e0eadfac48a60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8169bb84447966d4067b00ba824805a044ac43e89b6f68e9e0eadfac48a60f", kill_on_drop: false }`
[INFO] [stdout] 4a8169bb84447966d4067b00ba824805a044ac43e89b6f68e9e0eadfac48a60f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1aa5ee78552bd0e49caa4b3df90e56f8805aed7066b78f4e1865146d822dcb7d
[INFO] running `Command { std: "docker" "start" "-a" "1aa5ee78552bd0e49caa4b3df90e56f8805aed7066b78f4e1865146d822dcb7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling step-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]  --> src/closure.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let closure_1 = |num| {
[INFO] [stdout]   |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/closure.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let closure_1 = |num| {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closure1` is never used
[INFO] [stdout]  --> src/closure.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn closure1() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closure2` is never used
[INFO] [stdout]   --> src/closure.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn closure2() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cacher` is never constructed
[INFO] [stdout]   --> src/closure.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Cacher<T>
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/closure.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | / impl<T> Cacher<T>
[INFO] [stdout] 44 | |     where T: Fn(u32) -> u32,
[INFO] [stdout]    | |____________________________- associated function in this implementation
[INFO] [stdout] 45 |   {
[INFO] [stdout] 46 |       fn new(calculation: T) -> Cacher<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator1` is never used
[INFO] [stdout]  --> src/iterator.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn iterator1() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator31` is never used
[INFO] [stdout]   --> src/iterator.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn iterator31() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator32` is never used
[INFO] [stdout]   --> src/iterator.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn iterator32() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator4` is never used
[INFO] [stdout]   --> src/iterator.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn iterator4() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/iterator.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Counter {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 63 |     fn new() -> Counter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator5` is never used
[INFO] [stdout]   --> src/iterator.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn iterator5() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "1aa5ee78552bd0e49caa4b3df90e56f8805aed7066b78f4e1865146d822dcb7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aa5ee78552bd0e49caa4b3df90e56f8805aed7066b78f4e1865146d822dcb7d", kill_on_drop: false }`
[INFO] [stdout] 1aa5ee78552bd0e49caa4b3df90e56f8805aed7066b78f4e1865146d822dcb7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64a327ba30f1ed9ffcb49455cb5be38ff98b4edd6581819bb79f0b08e2c995d9
[INFO] running `Command { std: "docker" "start" "-a" "64a327ba30f1ed9ffcb49455cb5be38ff98b4edd6581819bb79f0b08e2c995d9", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]  --> src/closure.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let closure_1 = |num| {
[INFO] [stdout]   |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/closure.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let closure_1 = |num| {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closure1` is never used
[INFO] [stdout]  --> src/closure.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn closure1() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closure2` is never used
[INFO] [stdout]   --> src/closure.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn closure2() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cacher` is never constructed
[INFO] [stdout]   --> src/closure.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Cacher<T>
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/closure.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | / impl<T> Cacher<T>
[INFO] [stdout] 44 | |     where T: Fn(u32) -> u32,
[INFO] [stdout]    | |____________________________- associated function in this implementation
[INFO] [stdout] 45 |   {
[INFO] [stdout] 46 |       fn new(calculation: T) -> Cacher<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator1` is never used
[INFO] [stdout]  --> src/iterator.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn iterator1() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling step-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `iterator31` is never used
[INFO] [stdout]   --> src/iterator.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn iterator31() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator32` is never used
[INFO] [stdout]   --> src/iterator.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn iterator32() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator4` is never used
[INFO] [stdout]   --> src/iterator.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn iterator4() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/iterator.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Counter {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 63 |     fn new() -> Counter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator5` is never used
[INFO] [stdout]   --> src/iterator.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn iterator5() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `setup` is never used
[INFO] [stdout]  --> tests/common/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn setup() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]  --> src/closure.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let closure_1 = |num| {
[INFO] [stdout]   |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/closure.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let closure_1 = |num| {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closure1` is never used
[INFO] [stdout]  --> src/closure.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn closure1() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closure2` is never used
[INFO] [stdout]   --> src/closure.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn closure2() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cacher` is never constructed
[INFO] [stdout]   --> src/closure.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Cacher<T>
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/closure.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | / impl<T> Cacher<T>
[INFO] [stdout] 44 | |     where T: Fn(u32) -> u32,
[INFO] [stdout]    | |____________________________- associated function in this implementation
[INFO] [stdout] 45 |   {
[INFO] [stdout] 46 |       fn new(calculation: T) -> Cacher<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator1` is never used
[INFO] [stdout]  --> src/iterator.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn iterator1() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/iterator.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Counter {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 63 |     fn new() -> Counter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterator5` is never used
[INFO] [stdout]   --> src/iterator.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn iterator5() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "64a327ba30f1ed9ffcb49455cb5be38ff98b4edd6581819bb79f0b08e2c995d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a327ba30f1ed9ffcb49455cb5be38ff98b4edd6581819bb79f0b08e2c995d9", kill_on_drop: false }`
[INFO] [stdout] 64a327ba30f1ed9ffcb49455cb5be38ff98b4edd6581819bb79f0b08e2c995d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4512bf6beb3b669a03a82cbee35f0888fd3a21456d393c67157600c8338484da
[INFO] running `Command { std: "docker" "start" "-a" "4512bf6beb3b669a03a82cbee35f0888fd3a21456d393c67157600c8338484da", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]  --> src/closure.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let closure_1 = |num| {
[INFO] [stderr]   |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/closure.rs:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let closure_1 = |num| {
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: function `closure1` is never used
[INFO] [stderr]  --> src/closure.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn closure1() {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `closure2` is never used
[INFO] [stderr]   --> src/closure.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn closure2() {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cacher` is never constructed
[INFO] [stderr]   --> src/closure.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | struct Cacher<T>
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/closure.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | / impl<T> Cacher<T>
[INFO] [stderr] 44 | |     where T: Fn(u32) -> u32,
[INFO] [stderr]    | |____________________________- associated function in this implementation
[INFO] [stderr] 45 |   {
[INFO] [stderr] 46 |       fn new(calculation: T) -> Cacher<T> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `iterator1` is never used
[INFO] [stderr]  --> src/iterator.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn iterator1() {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `iterator31` is never used
[INFO] [stderr]   --> src/iterator.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn iterator31() {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `iterator32` is never used
[INFO] [stderr]   --> src/iterator.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn iterator32() {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `iterator4` is never used
[INFO] [stderr]   --> src/iterator.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn iterator4() {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/iterator.rs:63:8
[INFO] [stderr]    |
[INFO] [stderr] 62 | impl Counter {
[INFO] [stderr]    | ------------ associated function in this implementation
[INFO] [stderr] 63 |     fn new() -> Counter {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `iterator5` is never used
[INFO] [stderr]   --> src/iterator.rs:83:4
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn iterator5() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `step-rust` (lib) generated 12 warnings (run `cargo fix --lib -p step-rust` to apply 2 suggestions)
[INFO] [stderr] warning: function `setup` is never used
[INFO] [stderr]  --> tests/common/mod.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn setup() {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `step-rust` (test "integration2_test") generated 1 warning
[INFO] [stderr] warning: `step-rust` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/step_rust-f6fdc6605d7722cd)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::another ... ignored
[INFO] [stdout] test tests::t_iterator ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::t_result ... ok
[INFO] [stdout] test tests::another2 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/step_rust-08f8ea7b67d2778d)
[INFO] [stdout] 
[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] [stderr]      Running tests/integration2_test.rs (/opt/rustwide/target/debug/deps/integration2_test-6a81e4076af4f378)
[INFO] [stdout] 
[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] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-c05a157d3d322649)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test demo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests step-rust
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - add_two (line 29) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - add_two (line 29) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `add_one` in crate `step_rust`
[INFO] [stdout]  --> src/lib.rs:32:27
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let answer = step_rust::add_one(arg);
[INFO] [stdout]   |                           ^^^^^^^ not found in `step_rust`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - add_two (line 29)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4512bf6beb3b669a03a82cbee35f0888fd3a21456d393c67157600c8338484da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4512bf6beb3b669a03a82cbee35f0888fd3a21456d393c67157600c8338484da", kill_on_drop: false }`
[INFO] [stdout] 4512bf6beb3b669a03a82cbee35f0888fd3a21456d393c67157600c8338484da
