[INFO] cloning repository https://github.com/juliosouzam/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juliosouzam/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliosouzam%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliosouzam%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b4e5fc81641fc27af39d825f83d53ea3af7e6fa
[INFO] testing juliosouzam/learn-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliosouzam%2Flearn-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juliosouzam/learn-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juliosouzam/learn-rust
[INFO] finished tweaking git repo https://github.com/juliosouzam/learn-rust
[INFO] tweaked toml for git repo https://github.com/juliosouzam/learn-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/juliosouzam/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7677de5e0d4c5111d45cb26cc61b0bfb00c82774c85e947881812c90b8c11d71
[INFO] running `Command { std: "docker" "start" "-a" "7677de5e0d4c5111d45cb26cc61b0bfb00c82774c85e947881812c90b8c11d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7677de5e0d4c5111d45cb26cc61b0bfb00c82774c85e947881812c90b8c11d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7677de5e0d4c5111d45cb26cc61b0bfb00c82774c85e947881812c90b8c11d71", kill_on_drop: false }`
[INFO] [stdout] 7677de5e0d4c5111d45cb26cc61b0bfb00c82774c85e947881812c90b8c11d71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a6dfe28bd54918aa4d9d4e87d94f59ae2670477525ebd40b3c4b342c38da209
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4a6dfe28bd54918aa4d9d4e87d94f59ae2670477525ebd40b3c4b342c38da209", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling tasks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]   --> src/bin/derive.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   position: Position,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Employee` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/derive.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `work_hours`
[INFO] [stdout]   --> src/bin/derive.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   work_hours: i64,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Employee` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/derive.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: function `hi` is private
[INFO] [stdout]   --> src/bin/modules.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |   greet::hi();
[INFO] [stdout]    |          ^^ private function
[INFO] [stdout]    |
[INFO] [stdout] note: the function `hi` is defined here
[INFO] [stdout]   --> src/bin/modules.rs:6:3
[INFO] [stdout]    |
[INFO] [stdout] 6  |   fn hi() {
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: function `add` is private
[INFO] [stdout]   --> src/bin/modules.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |   math::add(3, 6);
[INFO] [stdout]    |         ^^^ private function
[INFO] [stdout]    |
[INFO] [stdout] note: the function `add` is defined here
[INFO] [stdout]   --> src/bin/modules.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn add(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/modules.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/modules.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 |   use std::collections::HashMap;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tasks` due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function is never used: `all_caps`
[INFO] [stdout]  --> src/bin/testing.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn all_caps(word: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/a28.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new(color: Color) -> Self {
[INFO] [stdout]    |                             ---- expected `ShirtColor` because of return type
[INFO] [stdout] 19 |         match color {
[INFO] [stdout] 20 |             Color::Purple => Err("purple not allowed".to_owned()),
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `ShirtColor`, found enum `Result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `ShirtColor`
[INFO] [stdout]                 found enum `Result<_, String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tasks` due to 2 previous errors
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a6dfe28bd54918aa4d9d4e87d94f59ae2670477525ebd40b3c4b342c38da209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6dfe28bd54918aa4d9d4e87d94f59ae2670477525ebd40b3c4b342c38da209", kill_on_drop: false }`
[INFO] [stdout] 4a6dfe28bd54918aa4d9d4e87d94f59ae2670477525ebd40b3c4b342c38da209