[INFO] cloning repository https://github.com/dipaktapase/rust_tutorials
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dipaktapase/rust_tutorials" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdipaktapase%2Frust_tutorials", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdipaktapase%2Frust_tutorials'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4793ead2663a83c9073cbd7f0ffa6da7eec2dfeb
[INFO] checking dipaktapase/rust_tutorials against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdipaktapase%2Frust_tutorials" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dipaktapase/rust_tutorials
[INFO] finished tweaking git repo https://github.com/dipaktapase/rust_tutorials
[INFO] tweaked toml for git repo https://github.com/dipaktapase/rust_tutorials written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dipaktapase/rust_tutorials on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dipaktapase/rust_tutorials 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d2035ccc006c89df5fb4d9a5b7413440d921b74ea3d230bba881e472a30bf4e
[INFO] running `Command { std: "docker" "start" "-a" "4d2035ccc006c89df5fb4d9a5b7413440d921b74ea3d230bba881e472a30bf4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d2035ccc006c89df5fb4d9a5b7413440d921b74ea3d230bba881e472a30bf4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2035ccc006c89df5fb4d9a5b7413440d921b74ea3d230bba881e472a30bf4e", kill_on_drop: false }`
[INFO] [stdout] 4d2035ccc006c89df5fb4d9a5b7413440d921b74ea3d230bba881e472a30bf4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccaece954b41c64d0c2f319af2ecab9ced28b20e9246e47205634befd47c3bcb
[INFO] running `Command { std: "docker" "start" "-a" "ccaece954b41c64d0c2f319af2ecab9ced28b20e9246e47205634befd47c3bcb", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_ZTM v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `thiserror`
[INFO] [stdout]   --> src/bin/a27.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use thiserror::Error;
[INFO] [stdout]    |     ^^^^^^^^^ use of unresolved module or unlinked crate `thiserror`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `thiserror`, use `cargo add thiserror` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `error` in this scope
[INFO] [stdout]   --> src/bin/a27.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 |     #[error("menu item not found")]
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `error` in this scope
[INFO] [stdout]   --> src/bin/a27.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[error("divide by zero error")]
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `ProgramError`
[INFO] [stdout]   --> src/bin/a27.rs:47:23
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn run(step: i32) -> Result<(), ProgramError> {
[INFO] [stdout]    |                      ------------------------ expected `ProgramError` because of this
[INFO] [stdout] 46 |     if step == 1 {
[INFO] [stdout] 47 |         pick_menu("4")?;
[INFO] [stdout]    |         --------------^ the trait `From<MenuError>` is not implemented for `ProgramError`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this can't be annotated with `?` because it has type `Result<_, MenuError>`
[INFO] [stdout]    |
[INFO] [stdout] note: `ProgramError` needs to implement `From<MenuError>`
[INFO] [stdout]   --> src/bin/a27.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum ProgramError {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: alternatively, `MenuError` needs to implement `Into<ProgramError>`
[INFO] [stdout]   --> src/bin/a27.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum MenuError {
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `ProgramError`
[INFO] [stdout]   --> src/bin/a27.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn run(step: i32) -> Result<(), ProgramError> {
[INFO] [stdout]    |                      ------------------------ expected `ProgramError` because of this
[INFO] [stdout] ...
[INFO] [stdout] 49 |         divide(1, 0)?;
[INFO] [stdout]    |         ------------^ the trait `From<MathError>` is not implemented for `ProgramError`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this can't be annotated with `?` because it has type `Result<_, MathError>`
[INFO] [stdout]    |
[INFO] [stdout] note: `ProgramError` needs to implement `From<MathError>`
[INFO] [stdout]   --> src/bin/a27.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum ProgramError {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: alternatively, `MathError` needs to implement `Into<ProgramError>`
[INFO] [stdout]   --> src/bin/a27.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum MathError {
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `ProgramError` doesn't implement `Debug`
[INFO] [stdout]   --> src/bin/a27.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |     println!("{:?}", run(1));
[INFO] [stdout]    |               ----   ^^^^^^ `ProgramError` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `ProgramError`
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `ProgramError` or manually `impl Debug for ProgramError`
[INFO] [stdout]    = help: the trait `Debug` is implemented for `Result<T, E>`
[INFO] [stdout]    = note: required for `Result<(), ProgramError>` to implement `Debug`
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `ProgramError` with `#[derive(Debug)]`
[INFO] [stdout]    |
[INFO] [stdout] 14 + #[derive(Debug)]
[INFO] [stdout] 15 | enum ProgramError {}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `ProgramError` doesn't implement `Debug`
[INFO] [stdout]   --> src/bin/a27.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |     println!("{:?}", run(2));
[INFO] [stdout]    |               ----   ^^^^^^ `ProgramError` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `ProgramError`
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `ProgramError` or manually `impl Debug for ProgramError`
[INFO] [stdout]    = help: the trait `Debug` is implemented for `Result<T, E>`
[INFO] [stdout]    = note: required for `Result<(), ProgramError>` to implement `Debug`
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `ProgramError` with `#[derive(Debug)]`
[INFO] [stdout]    |
[INFO] [stdout] 14 + #[derive(Debug)]
[INFO] [stdout] 15 | enum ProgramError {}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_ZTM` (bin "a27" test) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `crossbeam_channel`
[INFO] [stdout]   --> src/bin/a39.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crossbeam_channel::{unbounded, Receiver};
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `crossbeam_channel`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `crossbeam_channel`, use `cargo add crossbeam_channel` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crossbeam_channel`
[INFO] [stdout]   --> src/bin/a39.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use crossbeam_channel::unbounded;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `crossbeam_channel`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `crossbeam_channel`, use `cargo add crossbeam_channel` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/bin/a39.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::thread::{self, JoinHandle};
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `access`
[INFO] [stdout]   --> src/bin/19_tuples.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let (employees, access) = ("Jakes", Access::Full); // Here we can mix different types of data
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_access`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/a39.rs:38:56
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn spawn_light_thread(receiver: Receiver<LightMsg>) -> JoinHandle<LightStatus> {
[INFO] [stdout]    |    ------------------                                  ^^^^^^^^^^^^^^^^^^^^^^^ expected `JoinHandle<LightStatus>`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `JoinHandle<LightStatus>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0432.
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]   --> src/bin/a28.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Color {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `longest` in this scope
[INFO] [stdout]   --> src/bin/a33.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     println!("{}", longest(short, long))
[INFO] [stdout]    |                    ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_ZTM` (bin "a39" test) due to 3 previous errors; 1 warning emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_ZTM` (bin "a33" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ccaece954b41c64d0c2f319af2ecab9ced28b20e9246e47205634befd47c3bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccaece954b41c64d0c2f319af2ecab9ced28b20e9246e47205634befd47c3bcb", kill_on_drop: false }`
[INFO] [stdout] ccaece954b41c64d0c2f319af2ecab9ced28b20e9246e47205634befd47c3bcb
