[INFO] cloning repository https://github.com/KUDI4/koncowka_nauki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KUDI4/koncowka_nauki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKUDI4%2Fkoncowka_nauki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKUDI4%2Fkoncowka_nauki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb3215491bffd8b03de024e015c50ddd1f65690c
[INFO] checking KUDI4/koncowka_nauki against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKUDI4%2Fkoncowka_nauki" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KUDI4/koncowka_nauki
[INFO] finished tweaking git repo https://github.com/KUDI4/koncowka_nauki
[INFO] tweaked toml for git repo https://github.com/KUDI4/koncowka_nauki written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KUDI4/koncowka_nauki on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KUDI4/koncowka_nauki 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `compound_data_types` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../compound_data_types
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `compound-data-types`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/compound_data_types.rs
[INFO] [stderr] 1 + src/bin/compound-data-types.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `if_else` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../if_else
[INFO] [stderr]   |                                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `if-else`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/if_else.rs
[INFO] [stderr] 1 + src/bin/if-else.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `moj_projekt` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../moj_projekt
[INFO] [stderr]   |                                                  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `moj-projekt`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "moj_projekt"
[INFO] [stderr] 5 + name = "moj-projekt"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `moj-projekt`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "moj-projekt"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `primative_data_types` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../primative_data_types
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `primative-data-types`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/primative_data_types.rs
[INFO] [stderr] 1 + src/bin/primative-data-types.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `variables_mutability` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../variables_mutability
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `variables-mutability`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/variables_mutability.rs
[INFO] [stderr] 1 + src/bin/variables-mutability.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `moj_projekt` (manifest) generated 5 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking KUDI4/koncowka_nauki against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKUDI4%2Fkoncowka_nauki" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KUDI4/koncowka_nauki
[INFO] finished tweaking git repo https://github.com/KUDI4/koncowka_nauki
[INFO] tweaked toml for git repo https://github.com/KUDI4/koncowka_nauki written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KUDI4/koncowka_nauki on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KUDI4/koncowka_nauki 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `compound_data_types` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../compound_data_types
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `compound-data-types`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/compound_data_types.rs
[INFO] [stderr] 1 + src/bin/compound-data-types.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `if_else` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../if_else
[INFO] [stderr]   |                                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `if-else`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/if_else.rs
[INFO] [stderr] 1 + src/bin/if-else.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `moj_projekt` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../moj_projekt
[INFO] [stderr]   |                                                  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `moj-projekt`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "moj_projekt"
[INFO] [stderr] 5 + name = "moj-projekt"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `moj-projekt`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "moj-projekt"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `primative_data_types` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../primative_data_types
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `primative-data-types`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/primative_data_types.rs
[INFO] [stderr] 1 + src/bin/primative-data-types.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `variables_mutability` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../variables_mutability
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `variables-mutability`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/variables_mutability.rs
[INFO] [stderr] 1 + src/bin/variables-mutability.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `moj_projekt` (manifest) generated 5 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking KUDI4/koncowka_nauki against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKUDI4%2Fkoncowka_nauki" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KUDI4/koncowka_nauki
[INFO] finished tweaking git repo https://github.com/KUDI4/koncowka_nauki
[INFO] tweaked toml for git repo https://github.com/KUDI4/koncowka_nauki written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KUDI4/koncowka_nauki on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KUDI4/koncowka_nauki 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `compound_data_types` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../compound_data_types
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `compound-data-types`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/compound_data_types.rs
[INFO] [stderr] 1 + src/bin/compound-data-types.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `if_else` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../if_else
[INFO] [stderr]   |                                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `if-else`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/if_else.rs
[INFO] [stderr] 1 + src/bin/if-else.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `moj_projekt` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../moj_projekt
[INFO] [stderr]   |                                                  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `moj-projekt`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "moj_projekt"
[INFO] [stderr] 5 + name = "moj-projekt"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `moj-projekt`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "moj-projekt"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `primative_data_types` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../primative_data_types
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `primative-data-types`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/primative_data_types.rs
[INFO] [stderr] 1 + src/bin/primative-data-types.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `variables_mutability` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-5-tc2/source/target/.../variables_mutability
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `variables-mutability`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/variables_mutability.rs
[INFO] [stderr] 1 + src/bin/variables-mutability.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `moj_projekt` (manifest) generated 5 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 61bc8f5259ce6c9b6c0c050e3a506ee1e7defdfdbe24bca3c20644c8b2fbff9c
[INFO] running `Command { std: "docker" "start" "61bc8f5259ce6c9b6c0c050e3a506ee1e7defdfdbe24bca3c20644c8b2fbff9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61bc8f5259ce6c9b6c0c050e3a506ee1e7defdfdbe24bca3c20644c8b2fbff9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "61bc8f5259ce6c9b6c0c050e3a506ee1e7defdfdbe24bca3c20644c8b2fbff9c" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61bc8f5259ce6c9b6c0c050e3a506ee1e7defdfdbe24bca3c20644c8b2fbff9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "61bc8f5259ce6c9b6c0c050e3a506ee1e7defdfdbe24bca3c20644c8b2fbff9c" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `compound_data_types` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../compound_data_types
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `compound-data-types`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/compound_data_types.rs
[INFO] [stderr] 1 + src/bin/compound-data-types.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `if_else` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../if_else
[INFO] [stderr]   |                          ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `if-else`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/if_else.rs
[INFO] [stderr] 1 + src/bin/if-else.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `moj_projekt` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../moj_projekt
[INFO] [stderr]   |                          ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `moj-projekt`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "moj_projekt"
[INFO] [stderr] 5 + name = "moj-projekt"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `moj-projekt`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "moj-projekt"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `primative_data_types` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../primative_data_types
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `primative-data-types`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/primative_data_types.rs
[INFO] [stderr] 1 + src/bin/primative-data-types.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `variables_mutability` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../variables_mutability
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `variables-mutability`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/variables_mutability.rs
[INFO] [stderr] 1 + src/bin/variables-mutability.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `moj_projekt` (manifest) generated 5 warnings
[INFO] [stderr]     Checking moj_projekt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `color` should have an upper camel case name
[INFO] [stdout]   --> src/bin/structs.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |     struct  color(i32, i32, i32);
[INFO] [stdout]    |             ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Color`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `color` should have an upper camel case name
[INFO] [stdout]   --> src/bin/structs.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |     struct  color(i32, i32, i32);
[INFO] [stdout]    |             ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Color`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rect`
[INFO] [stdout]  --> src/bin/structs.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let rect = (200,500);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_rect`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user2`
[INFO] [stdout]   --> src/bin/structs.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let user2 = User{
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `black`
[INFO] [stdout]   --> src/bin/structs.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let black = color(0,0,0);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]   --> src/bin/structs.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let subject = AlwaysEqual;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Book` is never constructed
[INFO] [stdout]  --> src/bin/structs.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     struct Book{
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `active`, `username`, and `sing_in_count` are never read
[INFO] [stdout]   --> src/bin/structs.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     struct User{
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 13 |         active: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 14 |         username: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 15 |         email: String,
[INFO] [stdout] 16 |         sing_in_count: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_user` is never used
[INFO] [stdout]   --> src/bin/structs.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn build_user(email: String, username: String) -> User{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/bin/structs.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |     struct  color(i32, i32, i32);
[INFO] [stdout]    |             ----- ^^^  ^^^  ^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rect`
[INFO] [stdout]  --> src/bin/structs.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let rect = (200,500);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_rect`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user2`
[INFO] [stdout]   --> src/bin/structs.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let user2 = User{
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `black`
[INFO] [stdout]   --> src/bin/structs.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let black = color(0,0,0);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]   --> src/bin/structs.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let subject = AlwaysEqual;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Book` is never constructed
[INFO] [stdout]  --> src/bin/structs.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     struct Book{
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `active`, `username`, and `sing_in_count` are never read
[INFO] [stdout]   --> src/bin/structs.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     struct User{
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 13 |         active: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 14 |         username: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 15 |         email: String,
[INFO] [stdout] 16 |         sing_in_count: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_user` is never used
[INFO] [stdout]   --> src/bin/structs.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn build_user(email: String, username: String) -> User{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/bin/structs.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |     struct  color(i32, i32, i32);
[INFO] [stdout]    |             ----- ^^^  ^^^  ^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/constants.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut x = 5;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `home`
[INFO] [stdout]   --> src/bin/enum.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let home = IpAddr::V4(127,0,0,1);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_home`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loopback`
[INFO] [stdout]   --> src/bin/enum.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let loopback = IpAddr::V6(String::from("::1"));
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]   --> src/bin/enum.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |         V4(u8, u8, u8, u8),
[INFO] [stdout]    |         -- ^^  ^^  ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 15 -         V4(u8, u8, u8, u8),
[INFO] [stdout] 15 +         V4((), (), (), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/enum.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |         V6(String)
[INFO] [stdout]    |         -- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -         V6(String)
[INFO] [stdout] 16 +         V6(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::result`
[INFO] [stdout]   --> src/bin/errors.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::result;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::result`
[INFO] [stdout]   --> src/bin/errors.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::result;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/constants.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut x = 5;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `home`
[INFO] [stdout]   --> src/bin/enum.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let home = IpAddr::V4(127,0,0,1);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_home`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loopback`
[INFO] [stdout]   --> src/bin/enum.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let loopback = IpAddr::V6(String::from("::1"));
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]   --> src/bin/enum.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |         V4(u8, u8, u8, u8),
[INFO] [stdout]    |         -- ^^  ^^  ^^  ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 15 -         V4(u8, u8, u8, u8),
[INFO] [stdout] 15 +         V4((), (), (), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/enum.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |         V6(String)
[INFO] [stdout]    |         -- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -         V6(String)
[INFO] [stdout] 16 +         V6(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "61bc8f5259ce6c9b6c0c050e3a506ee1e7defdfdbe24bca3c20644c8b2fbff9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61bc8f5259ce6c9b6c0c050e3a506ee1e7defdfdbe24bca3c20644c8b2fbff9c", kill_on_drop: false }`
[INFO] [stdout] 61bc8f5259ce6c9b6c0c050e3a506ee1e7defdfdbe24bca3c20644c8b2fbff9c
