[INFO] cloning repository https://github.com/qaoo8/LearnRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qaoo8/LearnRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqaoo8%2FLearnRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqaoo8%2FLearnRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd551db3741e16f1bb3b04f6de4f3c7b5b1615bd
[INFO] testing qaoo8/LearnRust against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqaoo8%2FLearnRust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/qaoo8/LearnRust
[INFO] finished tweaking git repo https://github.com/qaoo8/LearnRust
[INFO] tweaked toml for git repo https://github.com/qaoo8/LearnRust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qaoo8/LearnRust on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qaoo8/LearnRust 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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]   |
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.200
[INFO] [stderr]   Downloaded escargot v0.5.10
[INFO] [stderr]   Downloaded serde v1.0.200
[INFO] [stderr]   Downloaded libc v0.2.154
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff09335508202e39c4a1f739fa7d2f29ba03fff92f7715bb6d913e03b5b45a23
[INFO] running `Command { std: "docker" "start" "-a" "ff09335508202e39c4a1f739fa7d2f29ba03fff92f7715bb6d913e03b5b45a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff09335508202e39c4a1f739fa7d2f29ba03fff92f7715bb6d913e03b5b45a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff09335508202e39c4a1f739fa7d2f29ba03fff92f7715bb6d913e03b5b45a23", kill_on_drop: false }`
[INFO] [stdout] ff09335508202e39c4a1f739fa7d2f29ba03fff92f7715bb6d913e03b5b45a23
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71cc2817612191b391da5fa998729349adea7ff3d8e2d7ddf85053d08476f5b0
[INFO] running `Command { std: "docker" "start" "-a" "71cc2817612191b391da5fa998729349adea7ff3d8e2d7ddf85053d08476f5b0", kill_on_drop: false }`
[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]   |
[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 proc-macro2 v1.0.81
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling escargot v0.5.10
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hello_macro v0.1.0 (/opt/rustwide/workdir/Macros/Procedural Macros/hello_macro)
[INFO] [stderr]    Compiling modifying_a_hashmap v0.1.0 (/opt/rustwide/workdir/Common Collections/Hashmaps/More Fruits)
[INFO] [stderr]    Compiling workers_in_the_engine v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Smart Pointers/Workers in the Engine)
[INFO] [stderr]    Compiling home_alone v0.1.0 (/opt/rustwide/workdir/Modules/Modules/Home Alone at Day X)
[INFO] [stderr]    Compiling generics_in_structs v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Generic Data Types/Generics in Structs)
[INFO] [stderr]    Compiling advanced_errors_2 v0.1.0 (/opt/rustwide/workdir/Error Handling/Errors Primer/Advanced Errors 2)
[INFO] [stderr]    Compiling box_task v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Smart Pointers/Box Task)
[INFO] [stderr]    Compiling license_it v0.1.0 (/opt/rustwide/workdir/Generic Types, Traits, and Lifetime/Traits/License It)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> Error Handling/Errors Primer/Advanced Errors 2/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling advanced_errors v0.1.0 (/opt/rustwide/workdir/Error Handling/Errors Primer/Advanced Errors)
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> Standard Library Types/Smart Pointers/Workers in the Engine/src/worker.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     log: &Vec<String>
[INFO] [stdout]   |          ^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] 3 ~ pub struct Worker<'a> {
[INFO] [stdout] 4 |     id: usize,
[INFO] [stdout] 5 ~     log: &'a Vec<String>
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling fromstr v0.1.0 (/opt/rustwide/workdir/Standard Library Types/Type Conversions/FromStr)
[INFO] [stderr] error: could not compile `workers_in_the_engine` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `basket`
[INFO] [stdout]   --> Common Collections/Hashmaps/More Fruits/src/lib.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn fruit_basket(basket: &mut HashMap<Fruit, u32>) {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_basket`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fruit`
[INFO] [stdout]   --> Common Collections/Hashmaps/More Fruits/src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     for fruit in fruit_kinds {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fruit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `i_love_toys` in this scope
[INFO] [stdout]  --> Modules/Modules/Home Alone at Day X/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     i_love_toys();
[INFO] [stdout]   |     ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] note: function `crate::first_floor::toys_room::i_love_toys` exists but is inaccessible
[INFO] [stdout]  --> Modules/Modules/Home Alone at Day X/src/first_floor/toys_room.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | /* ??? */ fn i_love_toys() {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^ not accessible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `home_alone` (lib) due to 1 previous error
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> Error Handling/Errors Primer/Advanced Errors 2/src/lib.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn from(e: ParseFloatError) -> Self {
[INFO] [stdout]    |        ----                        ^^^^ expected `ParseClimateError`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0072]: recursive type `List` has infinite size
[INFO] [stdout]  --> Standard Library Types/Smart Pointers/Box Task/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum List {
[INFO] [stdout]   | ^^^^^^^^^^^^^
[INFO] [stdout] 3 |     Cons(i32, List),
[INFO] [stdout]   |               ---- recursive without indirection
[INFO] [stdout]   |
[INFO] [stdout] help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Cons(i32, Box<List>),
[INFO] [stdout]   |               ++++    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `licensing_info`
[INFO] [stdout]   --> Generic Types, Traits, and Lifetime/Traits/License It/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout]  2 |     fn licensing_info(&self) -> String;
[INFO] [stdout]    |     ----------------------------------- `licensing_info` from trait
[INFO] [stdout] ...
[INFO] [stdout] 13 | impl Licensed for SomeSoftware {} // Don't edit this line
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `licensing_info` in implementation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `licensing_info`
[INFO] [stdout]   --> Generic Types, Traits, and Lifetime/Traits/License It/src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout]  2 |     fn licensing_info(&self) -> String;
[INFO] [stdout]    |     ----------------------------------- `licensing_info` from trait
[INFO] [stdout] ...
[INFO] [stdout] 14 | impl Licensed for OtherSoftware {} // Don't edit this line
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `licensing_info` in implementation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advanced_errors_2` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0072`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `license_it` (lib) due to 2 previous errors
[INFO] [stderr] error: could not compile `box_task` (lib) due to 1 previous error
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> Standard Library Types/Type Conversions/FromStr/src/lib.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn from_str(s: &str) -> Result<Person, Self::Err> {
[INFO] [stdout]    |        --------             ^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<Person, ParsePersonError>`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<Person, ParsePersonError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fromstr` (lib) due to 1 previous error
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> Error Handling/Errors Primer/Advanced Errors/src/lib.rs:13:34
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn from(e: CreationError) -> Self {
[INFO] [stdout]    |        ----                      ^^^^ expected `ParsePosNonzeroError`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `ParsePosNonzeroError`
[INFO] [stdout]   --> Error Handling/Errors Primer/Advanced Errors/src/lib.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let x: i64 = s.parse()?;
[INFO] [stdout]    |                        -------^ the trait `From<ParseIntError>` is not implemented for `ParsePosNonzeroError`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this can't be annotated with `?` because it has type `Result<_, ParseIntError>`
[INFO] [stdout]    |
[INFO] [stdout] note: `ParsePosNonzeroError` needs to implement `From<ParseIntError>`
[INFO] [stdout]   --> Error Handling/Errors Primer/Advanced Errors/src/lib.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum ParsePosNonzeroError {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout] help: the trait `From<ParseIntError>` is not implemented for `ParsePosNonzeroError`
[INFO] [stdout]       but trait `From<CreationError>` is implemented for it
[INFO] [stdout]   --> Error Handling/Errors Primer/Advanced Errors/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl From<CreationError> for ParsePosNonzeroError {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: for that trait implementation, expected `CreationError`, found `ParseIntError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advanced_errors` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "71cc2817612191b391da5fa998729349adea7ff3d8e2d7ddf85053d08476f5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71cc2817612191b391da5fa998729349adea7ff3d8e2d7ddf85053d08476f5b0", kill_on_drop: false }`
[INFO] [stdout] 71cc2817612191b391da5fa998729349adea7ff3d8e2d7ddf85053d08476f5b0
