[INFO] cloning repository https://github.com/intincrab/rust-lang-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/intincrab/rust-lang-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintincrab%2Frust-lang-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintincrab%2Frust-lang-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d517923d263b3a67f5660caec0e2874653fd9c27
[INFO] checking intincrab/rust-lang-book against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintincrab%2Frust-lang-book" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/intincrab/rust-lang-book on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/intincrab/rust-lang-book
[INFO] finished tweaking git repo https://github.com/intincrab/rust-lang-book
[INFO] tweaked toml for git repo https://github.com/intincrab/rust-lang-book written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/intincrab/rust-lang-book 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" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-0-tc1/source/my_crate/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 024b018faa76cae96d0344f026595e4b9cb0aca910916b7e60f6b4dfe07e5953
[INFO] running `Command { std: "docker" "start" "-a" "024b018faa76cae96d0344f026595e4b9cb0aca910916b7e60f6b4dfe07e5953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "024b018faa76cae96d0344f026595e4b9cb0aca910916b7e60f6b4dfe07e5953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024b018faa76cae96d0344f026595e4b9cb0aca910916b7e60f6b4dfe07e5953", kill_on_drop: false }`
[INFO] [stdout] 024b018faa76cae96d0344f026595e4b9cb0aca910916b7e60f6b4dfe07e5953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 707dbb806e95ebdb75622b976e7bbf2fc5745f4fe640e0da41a90974aba028f1
[INFO] running `Command { std: "docker" "start" "-a" "707dbb806e95ebdb75622b976e7bbf2fc5745f4fe640e0da41a90974aba028f1", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/my_crate/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir/project1/minigrep)
[INFO] [stderr]     Checking package v0.1.0 (/opt/rustwide/workdir/package)
[INFO] [stderr]     Checking my_crate v0.1.0 (/opt/rustwide/workdir/my_crate)
[INFO] [stderr]     Checking adder v0.1.0 (/opt/rustwide/workdir/tests/adder)
[INFO] [stderr]     Checking vectors v0.1.0 (/opt/rustwide/workdir/commoncollection/vectors)
[INFO] [stderr]     Checking enums1 v0.1.0 (/opt/rustwide/workdir/Enums/enums1)
[INFO] [stderr]     Checking closures v0.1.0 (/opt/rustwide/workdir/closures)
[INFO] [stderr]     Checking generic v0.1.0 (/opt/rustwide/workdir/generics/generic)
[INFO] [stderr]     Checking hashmap v0.1.0 (/opt/rustwide/workdir/commoncollection/hashmap)
[INFO] [stdout] warning: type `Option_i32` should have an upper camel case name
[INFO] [stdout]  --> generics/generic/src/main.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Option_i32 {
[INFO] [stdout]   |      ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionI32`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Option_f64` should have an upper camel case name
[INFO] [stdout]  --> generics/generic/src/main.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Option_f64 {
[INFO] [stdout]   |      ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionF64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> my_crate/src/lib.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> my_crate/src/lib.rs:32:34
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `integer`
[INFO] [stdout]   --> generics/generic/src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let integer = Option_i32::Some(5);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float`
[INFO] [stdout]   --> generics/generic/src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let float = Option_f64::Some(5.0);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]  --> commoncollection/vectors/src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let row =vec![
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> generics/generic/src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Some(i32),
[INFO] [stdout]   |     ---- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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] 2 -     Some(i32),
[INFO] [stdout] 2 +     Some(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]  --> generics/generic/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Option_i32 {
[INFO] [stdout]   |      ---------- variant in this enum
[INFO] [stdout] 2 |     Some(i32),
[INFO] [stdout] 3 |     None,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> generics/generic/src/main.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Some(f64),
[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] 7 -     Some(f64),
[INFO] [stdout] 7 +     Some(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]  --> generics/generic/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Option_f64 {
[INFO] [stdout]   |      ---------- variant in this enum
[INFO] [stdout] 7 |     Some(f64),
[INFO] [stdout] 8 |     None,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]  --> commoncollection/vectors/src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let row =vec![
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> commoncollection/vectors/src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |         Int(i32),
[INFO] [stdout]   |         --- ^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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] 3 -         Int(i32),
[INFO] [stdout] 3 +         Int(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> commoncollection/vectors/src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |         Float(f64),
[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] 4 -         Float(f64),
[INFO] [stdout] 4 +         Float(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> commoncollection/vectors/src/main.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |         Text(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] 5 -         Text(String),
[INFO] [stdout] 5 +         Text(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]  --> closures/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Rectangle {
[INFO] [stdout]   |        --------- field in this struct
[INFO] [stdout] 3 |     width: u32,
[INFO] [stdout] 4 |     height: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `setup` is never used
[INFO] [stdout]  --> tests/adder/tests/common/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn setup() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Option_i32` should have an upper camel case name
[INFO] [stdout]  --> generics/generic/src/main.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Option_i32 {
[INFO] [stdout]   |      ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionI32`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Option_f64` should have an upper camel case name
[INFO] [stdout]  --> generics/generic/src/main.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Option_f64 {
[INFO] [stdout]   |      ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionF64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking panic v0.1.0 (/opt/rustwide/workdir/error/panic)
[INFO] [stdout] warning: unused variable: `integer`
[INFO] [stdout]   --> generics/generic/src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let integer = Option_i32::Some(5);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float`
[INFO] [stdout]   --> generics/generic/src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let float = Option_f64::Some(5.0);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> generics/generic/src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Some(i32),
[INFO] [stdout]   |     ---- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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] 2 -     Some(i32),
[INFO] [stdout] 2 +     Some(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]  --> generics/generic/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Option_i32 {
[INFO] [stdout]   |      ---------- variant in this enum
[INFO] [stdout] 2 |     Some(i32),
[INFO] [stdout] 3 |     None,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> generics/generic/src/main.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Some(f64),
[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] 7 -     Some(f64),
[INFO] [stdout] 7 +     Some(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]  --> generics/generic/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Option_f64 {
[INFO] [stdout]   |      ---------- variant in this enum
[INFO] [stdout] 7 |     Some(f64),
[INFO] [stdout] 8 |     None,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking iterators v0.1.0 (/opt/rustwide/workdir/iterators)
[INFO] [stderr]     Checking traits v0.1.0 (/opt/rustwide/workdir/generics/traits)
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]  --> closures/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Rectangle {
[INFO] [stdout]   |        --------- field in this struct
[INFO] [stdout] 3 |     width: u32,
[INFO] [stdout] 4 |     height: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shoe` is never constructed
[INFO] [stdout]  --> iterators/src/main.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Shoe {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shoes_in_size` is never used
[INFO] [stdout]  --> iterators/src/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn shoes_in_size(shoes: Vec<Shoe>, shoe_size: u32) -> Vec<Shoe> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> my_crate/src/lib.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> my_crate/src/lib.rs:32:34
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `artist`, and `label` are never read
[INFO] [stdout]   --> generics/traits/src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Album {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 13 |     title:String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     artist:String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     label:String
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `artist`, and `label` are never read
[INFO] [stdout]   --> generics/traits/src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Album {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 13 |     title:String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     artist:String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     label:String
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking resturant v0.1.0 (/opt/rustwide/workdir/resturant)
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game)
[INFO] [stderr]     Checking packages v0.1.0 (/opt/rustwide/workdir/third-party-crates/packages)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `User` in `authentication`
[INFO] [stdout]  --> third-party-crates/packages/src/main.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut user = authentication::User::new("jeremy", "super-secret");
[INFO] [stdout]   |                                    ^^^^ could not find `User` in `authentication`
[INFO] [stdout]   |
[INFO] [stdout] note: struct `crate::authentication::authentication::User` exists but is inaccessible
[INFO] [stdout]  --> third-party-crates/packages/src/authentication.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub struct User {
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ not accessible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `packages` (bin "packages") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: could not find `User` in `authentication`
[INFO] [stdout]  --> third-party-crates/packages/src/main.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut user = authentication::User::new("jeremy", "super-secret");
[INFO] [stdout]   |                                    ^^^^ could not find `User` in `authentication`
[INFO] [stdout]   |
[INFO] [stdout] note: struct `crate::authentication::authentication::User` exists but is inaccessible
[INFO] [stdout]  --> third-party-crates/packages/src/authentication.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub struct User {
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ not accessible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `packages` (bin "packages" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "707dbb806e95ebdb75622b976e7bbf2fc5745f4fe640e0da41a90974aba028f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707dbb806e95ebdb75622b976e7bbf2fc5745f4fe640e0da41a90974aba028f1", kill_on_drop: false }`
[INFO] [stdout] 707dbb806e95ebdb75622b976e7bbf2fc5745f4fe640e0da41a90974aba028f1
