[INFO] fetching crate WelcomeBack 0.1.1...
[INFO] testing WelcomeBack-0.1.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate WelcomeBack 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate WelcomeBack 0.1.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate WelcomeBack 0.1.1
[INFO] finished tweaking crates.io crate WelcomeBack 0.1.1
[INFO] tweaked toml for crates.io crate WelcomeBack 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72d9f183b734762cbb85376a0be075a7f6f5789ec69ff7bdec56c6b10a9e9d1d
[INFO] running `Command { std: "docker" "start" "-a" "72d9f183b734762cbb85376a0be075a7f6f5789ec69ff7bdec56c6b10a9e9d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72d9f183b734762cbb85376a0be075a7f6f5789ec69ff7bdec56c6b10a9e9d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d9f183b734762cbb85376a0be075a7f6f5789ec69ff7bdec56c6b10a9e9d1d", kill_on_drop: false }`
[INFO] [stdout] 72d9f183b734762cbb85376a0be075a7f6f5789ec69ff7bdec56c6b10a9e9d1d
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42e1674c12ce3d7a9a8882302cec4d892ce28cba23674295e6c76bc00cc300a5
[INFO] running `Command { std: "docker" "start" "-a" "42e1674c12ce3d7a9a8882302cec4d892ce28cba23674295e6c76bc00cc300a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling WelcomeBack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/person.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     for i in 1..n {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `WelcomeBack` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `welcome_back`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "42e1674c12ce3d7a9a8882302cec4d892ce28cba23674295e6c76bc00cc300a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e1674c12ce3d7a9a8882302cec4d892ce28cba23674295e6c76bc00cc300a5", kill_on_drop: false }`
[INFO] [stdout] 42e1674c12ce3d7a9a8882302cec4d892ce28cba23674295e6c76bc00cc300a5
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed2cb142981f3e220d125f85d137e534d7bb91a71b3fc85837f07a8594550fba
[INFO] running `Command { std: "docker" "start" "-a" "ed2cb142981f3e220d125f85d137e534d7bb91a71b3fc85837f07a8594550fba", kill_on_drop: false }`
[INFO] [stderr]    Compiling WelcomeBack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/person.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     for i in 1..n {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `WelcomeBack` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `welcome_back`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `crate::Per`, `crate::Person`
[INFO] [stdout]   --> src/person.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use crate::{Per, Person};
[INFO] [stdout]    |                 ^^^  ^^^^^^
[INFO] [stdout]    |                 |    |
[INFO] [stdout]    |                 |    no `Person` in the root
[INFO] [stdout]    |                 |    help: a similar name exists in the module: `person`
[INFO] [stdout]    |                 no `Per` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing this trait instead:
[INFO] [stdout]            crate::person::Per
[INFO] [stdout]    = help: consider importing this struct instead:
[INFO] [stdout]            crate::person::Person
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_age` found for struct `Person` in the current scope
[INFO] [stdout]   --> src/person.rs:67:23
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub struct Person {
[INFO] [stdout]    | ----------------- method `get_age` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 8  |     fn get_age(&self) -> i32;
[INFO] [stdout]    |        ------- the method is available for `Person` here
[INFO] [stdout] ...
[INFO] [stdout] 67 |         assert_eq!(jj.get_age(), 17)
[INFO] [stdout]    |                       ^^^^^^^ method not found in `Person`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 57 +     use crate::person::Per;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `WelcomeBack` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ed2cb142981f3e220d125f85d137e534d7bb91a71b3fc85837f07a8594550fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2cb142981f3e220d125f85d137e534d7bb91a71b3fc85837f07a8594550fba", kill_on_drop: false }`
[INFO] [stdout] ed2cb142981f3e220d125f85d137e534d7bb91a71b3fc85837f07a8594550fba
[INFO] testing WelcomeBack-0.1.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate WelcomeBack 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate WelcomeBack 0.1.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate WelcomeBack 0.1.1
[INFO] finished tweaking crates.io crate WelcomeBack 0.1.1
[INFO] tweaked toml for crates.io crate WelcomeBack 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bd70cfda458b70125a65eb0d5ca4f76d28d2a09b7ce856e1e403032a5ce848c
[INFO] running `Command { std: "docker" "start" "-a" "4bd70cfda458b70125a65eb0d5ca4f76d28d2a09b7ce856e1e403032a5ce848c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bd70cfda458b70125a65eb0d5ca4f76d28d2a09b7ce856e1e403032a5ce848c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd70cfda458b70125a65eb0d5ca4f76d28d2a09b7ce856e1e403032a5ce848c", kill_on_drop: false }`
[INFO] [stdout] 4bd70cfda458b70125a65eb0d5ca4f76d28d2a09b7ce856e1e403032a5ce848c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5350075f99026bc903038941d9cb1d4bfb508069b6f4997bcdb3485a18fa19ca
[INFO] running `Command { std: "docker" "start" "-a" "5350075f99026bc903038941d9cb1d4bfb508069b6f4997bcdb3485a18fa19ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling WelcomeBack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/person.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     for i in 1..n {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `WelcomeBack` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `welcome_back`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "5350075f99026bc903038941d9cb1d4bfb508069b6f4997bcdb3485a18fa19ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5350075f99026bc903038941d9cb1d4bfb508069b6f4997bcdb3485a18fa19ca", kill_on_drop: false }`
[INFO] [stdout] 5350075f99026bc903038941d9cb1d4bfb508069b6f4997bcdb3485a18fa19ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8541104b598b3cfecbff4d23580fc997e571035e1b48942ec71a2e79666ae61f
[INFO] running `Command { std: "docker" "start" "-a" "8541104b598b3cfecbff4d23580fc997e571035e1b48942ec71a2e79666ae61f", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling WelcomeBack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/person.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     for i in 1..n {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `WelcomeBack` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `welcome_back`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `crate::Per`, `crate::Person`
[INFO] [stdout]   --> src/person.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use crate::{Per, Person};
[INFO] [stdout]    |                 ^^^  ^^^^^^
[INFO] [stdout]    |                 |    |
[INFO] [stdout]    |                 |    no `Person` in the root
[INFO] [stdout]    |                 |    help: a similar name exists in the module: `person`
[INFO] [stdout]    |                 no `Per` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing this trait instead:
[INFO] [stdout]            crate::person::Per
[INFO] [stdout]    = help: consider importing this struct instead:
[INFO] [stdout]            crate::person::Person
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_age` found for struct `Person` in the current scope
[INFO] [stdout]   --> src/person.rs:67:23
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub struct Person {
[INFO] [stdout]    | ----------------- method `get_age` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 8  |     fn get_age(&self) -> i32;
[INFO] [stdout]    |        ------- the method is available for `Person` here
[INFO] [stdout] ...
[INFO] [stdout] 67 |         assert_eq!(jj.get_age(), 17)
[INFO] [stdout]    |                       ^^^^^^^ method not found in `Person`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 57 +     use crate::person::Per;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `WelcomeBack` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8541104b598b3cfecbff4d23580fc997e571035e1b48942ec71a2e79666ae61f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8541104b598b3cfecbff4d23580fc997e571035e1b48942ec71a2e79666ae61f", kill_on_drop: false }`
[INFO] [stdout] 8541104b598b3cfecbff4d23580fc997e571035e1b48942ec71a2e79666ae61f
