[INFO] cloning repository https://github.com/490273789/hello_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/490273789/hello_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F490273789%2Fhello_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F490273789%2Fhello_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b0a401199833a155dc0aa692ff6741632a9730d
[INFO] testing 490273789/hello_rust against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F490273789%2Fhello_rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/490273789/hello_rust
[INFO] finished tweaking git repo https://github.com/490273789/hello_rust
[INFO] tweaked toml for git repo https://github.com/490273789/hello_rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/490273789/hello_rust on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/490273789/hello_rust 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-pki-types v1.8.0
[INFO] [stderr]   Downloaded sync_wrapper v1.0.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76419d31000e2a2bbf7de3c6a291795257cf39be4c946cf09fcb1e118c3337d2
[INFO] running `Command { std: "docker" "start" "-a" "76419d31000e2a2bbf7de3c6a291795257cf39be4c946cf09fcb1e118c3337d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76419d31000e2a2bbf7de3c6a291795257cf39be4c946cf09fcb1e118c3337d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76419d31000e2a2bbf7de3c6a291795257cf39be4c946cf09fcb1e118c3337d2", kill_on_drop: false }`
[INFO] [stdout] 76419d31000e2a2bbf7de3c6a291795257cf39be4c946cf09fcb1e118c3337d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d20ce6a9f06662e4037a7f6cadb221ea484584f87c5b02103edfda9675e7d846
[INFO] running `Command { std: "docker" "start" "-a" "d20ce6a9f06662e4037a7f6cadb221ea484584f87c5b02103edfda9675e7d846", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling hello_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error_handle::error_handle_mod`
[INFO] [stdout]  --> src/error_part/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use error_handle::error_handle_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unwrap_base::unwrap_mod`
[INFO] [stdout]  --> src/error_part/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use unwrap_base::unwrap_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_operation::error_operation_mod`
[INFO] [stdout]  --> src/error_part/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use error_operation::error_operation_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_map::hash_map_mod`
[INFO] [stdout]  --> src/hash_map_part/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use hash_map::hash_map_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lifecycle::lifecycle_mod`
[INFO] [stdout]  --> src/lifecycle/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use lifecycle::lifecycle_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trait_base::trait_base_mod`
[INFO] [stdout]  --> src/trait_part/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use trait_base::trait_base_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector_base::vector_base_mod`
[INFO] [stdout]  --> src/vector_part/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use vector_base::vector_base_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector_loop::vector_loop_mod`
[INFO] [stdout]  --> src/vector_part/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use vector_loop::vector_loop_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/trait_part/trait_base.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn notify1<T, U>(a: T, b: U) -> impl Summary
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/trait_part/trait_base.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn notify1<T, U>(a: T, b: U) -> impl Summary
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/lifecycle/lifecycle.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn longest2<'a>(x: &'a str, y: &'a str) -> String {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/lifecycle/lifecycle.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn longest2<'a>(x: &'a str, y: &'a str) -> String {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/trait_part/trait_base.rs:42:51
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn notify<T: Summary + Display, U: Debug + Clone>(a: T, b: U) -> String {
[INFO] [stdout]    |                                                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/trait_part/trait_base.rs:42:57
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn notify<T: Summary + Display, U: Debug + Clone>(a: T, b: U) -> String {
[INFO] [stdout]    |                                                         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 |   let a = 2 ^ 7;
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error_handle_mod` is never used
[INFO] [stdout]  --> src/error_part/error_handle.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn error_handle_mod() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unwrap_mod` is never used
[INFO] [stdout]  --> src/error_part/unwrap_base.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn unwrap_mod() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file` is never used
[INFO] [stdout]  --> src/error_part/error_operation.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read_username_from_file() -> Result<String, io::Error> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file1` is never used
[INFO] [stdout]   --> src/error_part/error_operation.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn read_username_from_file1() -> Result<String, io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error_operation_mod` is never used
[INFO] [stdout]   --> src/error_part/error_operation.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn error_operation_mod() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_map_mod` is never used
[INFO] [stdout]  --> src/hash_map_part/hash_map.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn hash_map_mod() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lifecycle_mod` is never used
[INFO] [stdout]  --> src/lifecycle/lifecycle.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn lifecycle_mod() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]   --> src/lifecycle/lifecycle.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest2` is never used
[INFO] [stdout]   --> src/lifecycle/lifecycle.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn longest2<'a>(x: &'a str, y: &'a str) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest3` is never used
[INFO] [stdout]   --> src/lifecycle/lifecycle.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn longest3<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trait_base_mod` is never used
[INFO] [stdout]  --> src/trait_part/trait_base.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn trait_base_mod() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify` is never used
[INFO] [stdout]   --> src/trait_part/trait_base.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn notify<T: Summary + Display, U: Debug + Clone>(a: T, b: U) -> String {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify1` is never used
[INFO] [stdout]   --> src/trait_part/trait_base.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn notify1<T, U>(a: T, b: U) -> impl Summary
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vector_base_mod` is never used
[INFO] [stdout]  --> src/vector_part/vector_base.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn vector_base_mod() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SpreadsheetCell` is never used
[INFO] [stdout]  --> src/vector_part/vector_loop.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum SpreadsheetCell {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vector_loop_mod` is never used
[INFO] [stdout]  --> src/vector_part/vector_loop.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn vector_loop_mod() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.91s
[INFO] running `Command { std: "docker" "inspect" "d20ce6a9f06662e4037a7f6cadb221ea484584f87c5b02103edfda9675e7d846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20ce6a9f06662e4037a7f6cadb221ea484584f87c5b02103edfda9675e7d846", kill_on_drop: false }`
[INFO] [stdout] d20ce6a9f06662e4037a7f6cadb221ea484584f87c5b02103edfda9675e7d846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc0f1966f60632da7f8cb6ace4d277da3f7294c359008c18399ea8292d832cab
[INFO] running `Command { std: "docker" "start" "-a" "fc0f1966f60632da7f8cb6ace4d277da3f7294c359008c18399ea8292d832cab", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error_handle::error_handle_mod`
[INFO] [stdout]  --> src/error_part/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use error_handle::error_handle_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unwrap_base::unwrap_mod`
[INFO] [stdout]  --> src/error_part/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use unwrap_base::unwrap_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_operation::error_operation_mod`
[INFO] [stdout]  --> src/error_part/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use error_operation::error_operation_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_map::hash_map_mod`
[INFO] [stdout]  --> src/hash_map_part/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use hash_map::hash_map_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lifecycle::lifecycle_mod`
[INFO] [stdout]  --> src/lifecycle/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use lifecycle::lifecycle_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trait_base::trait_base_mod`
[INFO] [stdout]  --> src/trait_part/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use trait_base::trait_base_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector_base::vector_base_mod`
[INFO] [stdout]  --> src/vector_part/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use vector_base::vector_base_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector_loop::vector_loop_mod`
[INFO] [stdout]  --> src/vector_part/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use vector_loop::vector_loop_mod;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/trait_part/trait_base.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn notify1<T, U>(a: T, b: U) -> impl Summary
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/trait_part/trait_base.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn notify1<T, U>(a: T, b: U) -> impl Summary
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/lifecycle/lifecycle.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn longest2<'a>(x: &'a str, y: &'a str) -> String {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/lifecycle/lifecycle.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn longest2<'a>(x: &'a str, y: &'a str) -> String {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/trait_part/trait_base.rs:42:51
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn notify<T: Summary + Display, U: Debug + Clone>(a: T, b: U) -> String {
[INFO] [stdout]    |                                                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/trait_part/trait_base.rs:42:57
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn notify<T: Summary + Display, U: Debug + Clone>(a: T, b: U) -> String {
[INFO] [stdout]    |                                                         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 |   let a = 2 ^ 7;
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error_handle_mod` is never used
[INFO] [stdout]  --> src/error_part/error_handle.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn error_handle_mod() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unwrap_mod` is never used
[INFO] [stdout]  --> src/error_part/unwrap_base.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn unwrap_mod() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file` is never used
[INFO] [stdout]  --> src/error_part/error_operation.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read_username_from_file() -> Result<String, io::Error> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file1` is never used
[INFO] [stdout]   --> src/error_part/error_operation.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn read_username_from_file1() -> Result<String, io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error_operation_mod` is never used
[INFO] [stdout]   --> src/error_part/error_operation.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn error_operation_mod() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_map_mod` is never used
[INFO] [stdout]  --> src/hash_map_part/hash_map.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn hash_map_mod() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lifecycle_mod` is never used
[INFO] [stdout]  --> src/lifecycle/lifecycle.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn lifecycle_mod() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]   --> src/lifecycle/lifecycle.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest2` is never used
[INFO] [stdout]   --> src/lifecycle/lifecycle.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn longest2<'a>(x: &'a str, y: &'a str) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest3` is never used
[INFO] [stdout]   --> src/lifecycle/lifecycle.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn longest3<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trait_base_mod` is never used
[INFO] [stdout]  --> src/trait_part/trait_base.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn trait_base_mod() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify` is never used
[INFO] [stdout]   --> src/trait_part/trait_base.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn notify<T: Summary + Display, U: Debug + Clone>(a: T, b: U) -> String {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify1` is never used
[INFO] [stdout]   --> src/trait_part/trait_base.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn notify1<T, U>(a: T, b: U) -> impl Summary
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vector_base_mod` is never used
[INFO] [stdout]  --> src/vector_part/vector_base.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn vector_base_mod() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SpreadsheetCell` is never used
[INFO] [stdout]  --> src/vector_part/vector_loop.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum SpreadsheetCell {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vector_loop_mod` is never used
[INFO] [stdout]  --> src/vector_part/vector_loop.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn vector_loop_mod() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "fc0f1966f60632da7f8cb6ace4d277da3f7294c359008c18399ea8292d832cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc0f1966f60632da7f8cb6ace4d277da3f7294c359008c18399ea8292d832cab", kill_on_drop: false }`
[INFO] [stdout] fc0f1966f60632da7f8cb6ace4d277da3f7294c359008c18399ea8292d832cab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39d097d75d0e7820a5fb2065efeb059f87d7ffa960cdf345214a53b3eccd38bf
[INFO] running `Command { std: "docker" "start" "-a" "39d097d75d0e7820a5fb2065efeb059f87d7ffa960cdf345214a53b3eccd38bf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `error_handle::error_handle_mod`
[INFO] [stderr]  --> src/error_part/mod.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use error_handle::error_handle_mod;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `unwrap_base::unwrap_mod`
[INFO] [stderr]  --> src/error_part/mod.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub use unwrap_base::unwrap_mod;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error_operation::error_operation_mod`
[INFO] [stderr]  --> src/error_part/mod.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub use error_operation::error_operation_mod;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hash_map::hash_map_mod`
[INFO] [stderr]  --> src/hash_map_part/mod.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub use hash_map::hash_map_mod;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lifecycle::lifecycle_mod`
[INFO] [stderr]  --> src/lifecycle/mod.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub use lifecycle::lifecycle_mod;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `trait_base::trait_base_mod`
[INFO] [stderr]  --> src/trait_part/mod.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub use trait_base::trait_base_mod;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vector_base::vector_base_mod`
[INFO] [stderr]  --> src/vector_part/mod.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub use vector_base::vector_base_mod;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vector_loop::vector_loop_mod`
[INFO] [stderr]  --> src/vector_part/mod.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use vector_loop::vector_loop_mod;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/trait_part/trait_base.rs:48:18
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn notify1<T, U>(a: T, b: U) -> impl Summary
[INFO] [stderr]    |                  ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/trait_part/trait_base.rs:48:24
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn notify1<T, U>(a: T, b: U) -> impl Summary
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/lifecycle/lifecycle.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn longest2<'a>(x: &'a str, y: &'a str) -> String {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/lifecycle/lifecycle.rs:49:29
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn longest2<'a>(x: &'a str, y: &'a str) -> String {
[INFO] [stderr]    |                             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/trait_part/trait_base.rs:42:51
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn notify<T: Summary + Display, U: Debug + Clone>(a: T, b: U) -> String {
[INFO] [stderr]    |                                                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/trait_part/trait_base.rs:42:57
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn notify<T: Summary + Display, U: Debug + Clone>(a: T, b: U) -> String {
[INFO] [stderr]    |                                                         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:34:7
[INFO] [stderr]    |
[INFO] [stderr] 34 |   let a = 2 ^ 7;
[INFO] [stderr]    |       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: function `error_handle_mod` is never used
[INFO] [stderr]  --> src/error_part/error_handle.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn error_handle_mod() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `unwrap_mod` is never used
[INFO] [stderr]  --> src/error_part/unwrap_base.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn unwrap_mod() {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_username_from_file` is never used
[INFO] [stderr]  --> src/error_part/error_operation.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn read_username_from_file() -> Result<String, io::Error> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_username_from_file1` is never used
[INFO] [stderr]   --> src/error_part/error_operation.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn read_username_from_file1() -> Result<String, io::Error> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `error_operation_mod` is never used
[INFO] [stderr]   --> src/error_part/error_operation.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn error_operation_mod() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `hash_map_mod` is never used
[INFO] [stderr]  --> src/hash_map_part/hash_map.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn hash_map_mod() {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `lifecycle_mod` is never used
[INFO] [stderr]  --> src/lifecycle/lifecycle.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn lifecycle_mod() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest` is never used
[INFO] [stderr]   --> src/lifecycle/lifecycle.rs:29:4
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest2` is never used
[INFO] [stderr]   --> src/lifecycle/lifecycle.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn longest2<'a>(x: &'a str, y: &'a str) -> String {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest3` is never used
[INFO] [stderr]   --> src/lifecycle/lifecycle.rs:67:4
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn longest3<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `trait_base_mod` is never used
[INFO] [stderr]  --> src/trait_part/trait_base.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn trait_base_mod() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `notify` is never used
[INFO] [stderr]   --> src/trait_part/trait_base.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn notify<T: Summary + Display, U: Debug + Clone>(a: T, b: U) -> String {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `notify1` is never used
[INFO] [stderr]   --> src/trait_part/trait_base.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn notify1<T, U>(a: T, b: U) -> impl Summary
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `vector_base_mod` is never used
[INFO] [stderr]  --> src/vector_part/vector_base.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn vector_base_mod() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `SpreadsheetCell` is never used
[INFO] [stderr]  --> src/vector_part/vector_loop.rs:2:6
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum SpreadsheetCell {
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `vector_loop_mod` is never used
[INFO] [stderr]  --> src/vector_part/vector_loop.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn vector_loop_mod() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hello_rust` (bin "hello_rust" test) generated 31 warnings (run `cargo fix --bin "hello_rust" --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello_rust-7ea2e43de2047a8c)
[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 unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_rust-a2223bd410b87305)
[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]    Doc-tests hello_rust
[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] running `Command { std: "docker" "inspect" "39d097d75d0e7820a5fb2065efeb059f87d7ffa960cdf345214a53b3eccd38bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d097d75d0e7820a5fb2065efeb059f87d7ffa960cdf345214a53b3eccd38bf", kill_on_drop: false }`
[INFO] [stdout] 39d097d75d0e7820a5fb2065efeb059f87d7ffa960cdf345214a53b3eccd38bf
