[INFO] cloning repository https://github.com/11MK/100-exercises-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/11MK/100-exercises-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F11MK%2F100-exercises-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F11MK%2F100-exercises-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e7da6766b4d1615f764cae237f14bfa65c86c44
[INFO] checking 11MK/100-exercises-rust against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F11MK%2F100-exercises-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/11MK/100-exercises-rust
[INFO] finished tweaking git repo https://github.com/11MK/100-exercises-rust
[INFO] tweaked toml for git repo https://github.com/11MK/100-exercises-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/11MK/100-exercises-rust on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/11MK/100-exercises-rust 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" "+ddcf048784667508cd676fef4667f88ae15628a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 471a15439f988aedb097a1a231ce3b3fd87e44892a25c7f5ba1f398ff98023f8
[INFO] running `Command { std: "docker" "start" "-a" "471a15439f988aedb097a1a231ce3b3fd87e44892a25c7f5ba1f398ff98023f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "471a15439f988aedb097a1a231ce3b3fd87e44892a25c7f5ba1f398ff98023f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471a15439f988aedb097a1a231ce3b3fd87e44892a25c7f5ba1f398ff98023f8", kill_on_drop: false }`
[INFO] [stdout] 471a15439f988aedb097a1a231ce3b3fd87e44892a25c7f5ba1f398ff98023f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c9e5fdd519eb7acac5b647ef93644b9dbfb886060f7b3fd1d90f9c6f09f617b
[INFO] running `Command { std: "docker" "start" "-a" "6c9e5fdd519eb7acac5b647ef93644b9dbfb886060f7b3fd1d90f9c6f09f617b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common)
[INFO] [stderr]    Compiling thiserror v1.0.60
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]     Checking outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/13_outro)
[INFO] [stderr]     Checking outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro)
[INFO] [stderr]     Checking ownership v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/06_ownership)
[INFO] [stderr]     Checking copy v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/11_copy)
[INFO] [stderr]     Checking nullability v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/05_nullability)
[INFO] [stderr]     Checking struct_ v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/01_struct)
[INFO] [stderr]     Checking clone v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/10_clone)
[INFO] [stderr]     Checking deref v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/06_deref)
[INFO] [stderr]     Checking intro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/00_intro)
[INFO] [stderr]     Checking enum_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/01_enum)
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]  --> exercises/05_ticket_v2/05_nullability/src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Ticket {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/05_nullability/src/lib.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `assigned_to` are never used
[INFO] [stdout]   --> exercises/05_ticket_v2/05_nullability/src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Ticket {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn assigned_to(&self) -> Option<&String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intro` is never used
[INFO] [stdout]  --> exercises/04_traits/00_intro/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn intro() -> &'static str {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `description`, and `status` are never read
[INFO] [stdout]   --> exercises/04_traits/06_deref/src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Ticket {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout]  8 |     title: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  9 |     description: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     status: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking deps v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/11_dependencies)
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]  --> exercises/05_ticket_v2/01_enum/src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Ticket {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/01_enum/src/lib.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `title`, `description`, and `status` are never used
[INFO] [stdout]   --> exercises/05_ticket_v2/01_enum/src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Ticket {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new(title: String, description: String, status: String) -> Ticket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn title(&self) -> &String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn description(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn status(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `ticket`
[INFO] [stdout]  --> exercises/04_traits/10_clone/src/lib.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn summary(ticket: Ticket) -> (Ticket, Summary) {
[INFO] [stdout]   |                ------ move occurs because `ticket` has type `Ticket`, which does not implement the `Copy` trait
[INFO] [stdout] 5 |     (ticket, ticket.summary())
[INFO] [stdout]   |      ------  ^^^^^^ value used here after move
[INFO] [stdout]   |      |
[INFO] [stdout]   |      value moved here
[INFO] [stdout]   |
[INFO] [stdout] note: if `Ticket` implemented `Clone`, you could clone the value
[INFO] [stdout]  --> exercises/04_traits/10_clone/src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 5 |     (ticket, ticket.summary())
[INFO] [stdout]   |      ------ you could clone this value
[INFO] [stdout] ...
[INFO] [stdout] 8 | pub struct Ticket {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ consider implementing `Clone` for this type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr]     Checking integers v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/01_integers)
[INFO] [stderr] error: could not compile `clone` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `anyhow`
[INFO] [stdout]  --> exercises/05_ticket_v2/11_dependencies/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use anyhow::Error;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `anyhow`, use `cargo add anyhow` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `deps` (lib) due to 1 previous error
[INFO] [stdout] error[E0369]: cannot add `WrappingU32` to `WrappingU32`
[INFO] [stdout]   --> exercises/04_traits/11_copy/src/lib.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |         assert_eq!(x + y + y + z, WrappingU32::new(103));
[INFO] [stdout]    |                    - ^ - WrappingU32
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    WrappingU32
[INFO] [stdout]    |
[INFO] [stdout] note: an implementation of `Add` might be missing for `WrappingU32`
[INFO] [stdout]   --> exercises/04_traits/11_copy/src/lib.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct WrappingU32 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^ must implement `Add`
[INFO] [stdout] note: the trait `Add` must be implemented
[INFO] [stdout]   --> /rustc/ddcf048784667508cd676fef4667f88ae15628a3/library/core/src/ops/arith.rs:77:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Order` in this scope
[INFO] [stdout]   --> exercises/03_ticket_v1/01_struct/src/lib.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let order = Order {
[INFO] [stdout]    |                     ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Order` in this scope
[INFO] [stdout]   --> exercises/03_ticket_v1/01_struct/src/lib.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let order = Order {
[INFO] [stdout]    |                     ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `outro_02::Order`
[INFO] [stdout]  --> exercises/03_ticket_v1/12_outro/tests/integration.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use outro_02::Order;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Order` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `copy` (lib test) due to 1 previous error
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> exercises/03_ticket_v1/01_struct/src/lib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> exercises/02_basic_calculator/01_integers/src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     a + b * 4u8
[INFO] [stdout]   |             ^^^ expected `u32`, found `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `ticket`
[INFO] [stdout]   --> exercises/03_ticket_v1/06_ownership/src/lib.rs:61:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let ticket = Ticket::new("A title".into(), "A description".into(), "To-Do".into());
[INFO] [stdout]    |             ------ move occurs because `ticket` has type `Ticket`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 60 |         assert_eq!(ticket.title(), "A title");
[INFO] [stdout]    |                           ------- `ticket` moved due to this method call
[INFO] [stdout] 61 |         assert_eq!(ticket.description(), "A description");
[INFO] [stdout]    |                    ^^^^^^ value used here after move
[INFO] [stdout]    |
[INFO] [stdout] note: `Ticket::title` takes ownership of the receiver `self`, which moves `ticket`
[INFO] [stdout]   --> exercises/03_ticket_v1/06_ownership/src/lib.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn title(self) -> String {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `ticket`
[INFO] [stdout]   --> exercises/03_ticket_v1/06_ownership/src/lib.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let ticket = Ticket::new("A title".into(), "A description".into(), "To-Do".into());
[INFO] [stdout]    |             ------ move occurs because `ticket` has type `Ticket`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 61 |         assert_eq!(ticket.description(), "A description");
[INFO] [stdout]    |                           ------------- `ticket` moved due to this method call
[INFO] [stdout] 62 |         assert_eq!(ticket.status(), "To-Do");
[INFO] [stdout]    |                    ^^^^^^ value used here after move
[INFO] [stdout]    |
[INFO] [stdout] note: `Ticket::description` takes ownership of the receiver `self`, which moves `ticket`
[INFO] [stdout]   --> exercises/03_ticket_v1/06_ownership/src/lib.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn description(self) -> String {
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `struct_` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot multiply `u32` by `u8`
[INFO] [stdout]  --> exercises/02_basic_calculator/01_integers/src/lib.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     a + b * 4u8
[INFO] [stdout]   |           ^ no implementation for `u32 * u8`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Mul<u8>` is not implemented for `u32`
[INFO] [stdout]   = help: the following other types implement trait `Mul<Rhs>`:
[INFO] [stdout]             `&u32` implements `Mul<u32>`
[INFO] [stdout]             `&u32` implements `Mul`
[INFO] [stdout]             `u32` implements `Mul<&u32>`
[INFO] [stdout]             `u32` implements `Mul<Duration>`
[INFO] [stdout]             `u32` implements `Mul`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `outro_02` (test "integration") due to 1 previous error
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ownership` (lib test) due to 2 previous errors
[INFO] [stderr] error: could not compile `integers` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6c9e5fdd519eb7acac5b647ef93644b9dbfb886060f7b3fd1d90f9c6f09f617b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9e5fdd519eb7acac5b647ef93644b9dbfb886060f7b3fd1d90f9c6f09f617b", kill_on_drop: false }`
[INFO] [stdout] 6c9e5fdd519eb7acac5b647ef93644b9dbfb886060f7b3fd1d90f9c6f09f617b
