[INFO] cloning repository https://github.com/nbaiocchi/WorkshopRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nbaiocchi/WorkshopRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbaiocchi%2FWorkshopRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbaiocchi%2FWorkshopRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d76a2ff256b3ea58fc5b7ae5895b0e62cd3e3654
[INFO] building nbaiocchi/WorkshopRust against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbaiocchi%2FWorkshopRust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
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[INFO] started tweaking git repo https://github.com/nbaiocchi/WorkshopRust
[INFO] finished tweaking git repo https://github.com/nbaiocchi/WorkshopRust
[INFO] tweaked toml for git repo https://github.com/nbaiocchi/WorkshopRust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nbaiocchi/WorkshopRust on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nbaiocchi/WorkshopRust 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_generate v3.0.3
[INFO] [stderr]   Downloaded random-number v0.1.6
[INFO] [stderr]   Downloaded random-number-macro-impl v0.1.5
[INFO] [stderr]   Downloaded text_io v0.1.10
[INFO] [stderr]   Downloaded clap_complete v3.1.1
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded clap_derive v3.1.4
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] [stderr]   Downloaded getrandom v0.2.5
[INFO] [stderr]   Downloaded clap v3.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fb52a403bccc6404ae5b1f9949005ec2a0b8f9c0e76d90870059010b70ac65f
[INFO] running `Command { std: "docker" "start" "-a" "3fb52a403bccc6404ae5b1f9949005ec2a0b8f9c0e76d90870059010b70ac65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fb52a403bccc6404ae5b1f9949005ec2a0b8f9c0e76d90870059010b70ac65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb52a403bccc6404ae5b1f9949005ec2a0b8f9c0e76d90870059010b70ac65f", kill_on_drop: false }`
[INFO] [stdout] 3fb52a403bccc6404ae5b1f9949005ec2a0b8f9c0e76d90870059010b70ac65f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87cf326e1b788ab997a0448c4e0427787a8358ddf62c910c5db79253008cf599
[INFO] running `Command { std: "docker" "start" "-a" "87cf326e1b788ab997a0448c4e0427787a8358ddf62c910c5db79253008cf599", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling text_io v0.1.10
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]    Compiling random-number-macro-impl v0.1.5
[INFO] [stderr]    Compiling random-number v0.1.6
[INFO] [stderr]    Compiling clap v3.1.6
[INFO] [stderr]    Compiling clap_complete v3.1.1
[INFO] [stderr]    Compiling clap_generate v3.0.3
[INFO] [stderr]    Compiling project1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found `}`
[INFO] [stdout]   --> src/commands/command_addition.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct AdditionOptions {
[INFO] [stdout]    |            --------------- while parsing this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 | }
[INFO] [stdout]    | ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `}`
[INFO] [stdout]   --> src/commands/command_multiplication.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MultiplicationOptions {
[INFO] [stdout]    |            --------------------- while parsing this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 | }
[INFO] [stdout]    | ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected end of input, expected identifier
[INFO] [stdout]   --> src/commands/command_addition.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | }
[INFO] [stdout]    | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected end of input, expected identifier
[INFO] [stdout]   --> src/commands/command_multiplication.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | }
[INFO] [stdout]    | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::commands::*`
[INFO] [stdout]  --> src/app.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::commands::*;
[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::time::Duration`
[INFO] [stdout]  --> src/commands/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/commands/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `app::Command: Clone` is not satisfied
[INFO] [stdout]    --> src/app.rs:13:10
[INFO] [stdout]     |
[INFO] [stdout]  13 | pub enum Command {
[INFO] [stdout]     |          ^^^^^^^ the trait `Clone` is not implemented for `app::Command`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `ArgEnum`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.6/src/derive.rs:420:28
[INFO] [stdout]     |
[INFO] [stdout] 420 | pub trait ArgEnum: Sized + Clone {
[INFO] [stdout]     |                            ^^^^^ required by this bound in `ArgEnum`
[INFO] [stdout] help: consider annotating `app::Command` with `#[derive(Clone)]`
[INFO] [stdout]     |
[INFO] [stdout]  13 + #[derive(Clone)]
[INFO] [stdout]  14 | pub enum Command {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/commands/command_addition.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 |         if x.bytes().all(|c| c.is_ascii_digit()) {
[INFO] [stdout]    |              ^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/commands/command_addition.rs:41:27
[INFO] [stdout]    |
[INFO] [stdout] 41 |         if x.bytes().all(|c| c.is_ascii_digit()) {
[INFO] [stdout]    |                           ^    -------------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 41 |         if x.bytes().all(|c: /* Type */| c.is_ascii_digit()) {
[INFO] [stdout]    |                            ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/commands/command_multiplication.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |         if x.bytes().all(|c| c.is_ascii_digit()) {
[INFO] [stdout]    |              ^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/commands/command_multiplication.rs:34:27
[INFO] [stdout]    |
[INFO] [stdout] 34 |         if x.bytes().all(|c| c.is_ascii_digit()) {
[INFO] [stdout]    |                           ^    -------------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 34 |         if x.bytes().all(|c: /* Type */| c.is_ascii_digit()) {
[INFO] [stdout]    |                            ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/commands/utils.rs:32:62
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn check_res(res: i32, score: &mut i32, line: String) -> TriState {
[INFO] [stdout]    |        ---------                                             ^^^^^^^^ expected `TriState`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let app: Calculator = Calculator::parse();
[INFO] [stdout]    |                           ------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 27 |     match app.command {
[INFO] [stdout]    |           ^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `app::Calculator`, which is uninhabited
[INFO] [stdout]   --> src/main.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let app: Calculator = Calculator::parse();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `app`
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let app: Calculator = Calculator::parse();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_app`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0282, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `project1` (bin "project1") due to 10 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "87cf326e1b788ab997a0448c4e0427787a8358ddf62c910c5db79253008cf599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87cf326e1b788ab997a0448c4e0427787a8358ddf62c910c5db79253008cf599", kill_on_drop: false }`
[INFO] [stdout] 87cf326e1b788ab997a0448c4e0427787a8358ddf62c910c5db79253008cf599