[INFO] fetching crate step-rust 0.1.0...
[INFO] testing step-rust-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate step-rust 0.1.0 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate step-rust 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56f790fd2b962c3cf97943c1b5b139e55984fcd5a0f362d9b553313e1aa78678
[INFO] running `Command { std: "docker" "start" "-a" "56f790fd2b962c3cf97943c1b5b139e55984fcd5a0f362d9b553313e1aa78678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56f790fd2b962c3cf97943c1b5b139e55984fcd5a0f362d9b553313e1aa78678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f790fd2b962c3cf97943c1b5b139e55984fcd5a0f362d9b553313e1aa78678", kill_on_drop: false }`
[INFO] [stdout] 56f790fd2b962c3cf97943c1b5b139e55984fcd5a0f362d9b553313e1aa78678
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4637792376e77ca65627d88f10620239721ae5cdeac1c234dc278168b74a8d56
[INFO] running `Command { std: "docker" "start" "-a" "4637792376e77ca65627d88f10620239721ae5cdeac1c234dc278168b74a8d56", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: struct `Counter` is never constructed
[INFO] [stdout]   --> src/iterator.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct Counter {
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "4637792376e77ca65627d88f10620239721ae5cdeac1c234dc278168b74a8d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4637792376e77ca65627d88f10620239721ae5cdeac1c234dc278168b74a8d56", kill_on_drop: false }`
[INFO] [stdout] 4637792376e77ca65627d88f10620239721ae5cdeac1c234dc278168b74a8d56
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 765b5b042a4ea8a009e92c30f797f823aaf18d14b8581184b3352cd16812e77c
[INFO] running `Command { std: "docker" "start" "-a" "765b5b042a4ea8a009e92c30f797f823aaf18d14b8581184b3352cd16812e77c", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling step-rust v0.1.0 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) 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: struct `Counter` is never constructed
[INFO] [stdout]   --> src/iterator.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct Counter {
[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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: struct `Counter` is never constructed
[INFO] [stdout]   --> src/iterator.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct Counter {
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "765b5b042a4ea8a009e92c30f797f823aaf18d14b8581184b3352cd16812e77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "765b5b042a4ea8a009e92c30f797f823aaf18d14b8581184b3352cd16812e77c", kill_on_drop: false }`
[INFO] [stdout] 765b5b042a4ea8a009e92c30f797f823aaf18d14b8581184b3352cd16812e77c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e892e2c07b7f827b80a7fe7e089b223a2b958b0c124965d38060c71496b39e41
[INFO] running `Command { std: "docker" "start" "-a" "e892e2c07b7f827b80a7fe7e089b223a2b958b0c124965d38060c71496b39e41", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: struct `Counter` is never constructed
[INFO] [stderr]   --> src/iterator.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 | struct Counter {
[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 13 warnings
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `step-rust` (test "integration2_test") generated 1 warning
[INFO] [stderr] warning: `step-rust` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/step_rust-ad1fdd248b43068f)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/step_rust-f5d264b7e91089fc)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[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-c1a6df1ef37a9814)
[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-cd1fd211b0e54ef9)
[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 0.01s
[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 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e892e2c07b7f827b80a7fe7e089b223a2b958b0c124965d38060c71496b39e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e892e2c07b7f827b80a7fe7e089b223a2b958b0c124965d38060c71496b39e41", kill_on_drop: false }`
[INFO] [stdout] e892e2c07b7f827b80a7fe7e089b223a2b958b0c124965d38060c71496b39e41
