[INFO] cloning repository https://github.com/sdsc-ordes/rust-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdsc-ordes/rust-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdsc-ordes%2Frust-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdsc-ordes%2Frust-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d528a0a06e73924c830281ab5896167d068457a
[INFO] checking sdsc-ordes/rust-workshop against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdsc-ordes%2Frust-workshop" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/sdsc-ordes/rust-workshop
[INFO] finished tweaking git repo https://github.com/sdsc-ordes/rust-workshop
[INFO] tweaked toml for git repo https://github.com/sdsc-ordes/rust-workshop written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sdsc-ordes/rust-workshop on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sdsc-ordes/rust-workshop 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking sdsc-ordes/rust-workshop against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdsc-ordes%2Frust-workshop" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/sdsc-ordes/rust-workshop
[INFO] finished tweaking git repo https://github.com/sdsc-ordes/rust-workshop
[INFO] tweaked toml for git repo https://github.com/sdsc-ordes/rust-workshop written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sdsc-ordes/rust-workshop on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sdsc-ordes/rust-workshop 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking sdsc-ordes/rust-workshop against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdsc-ordes%2Frust-workshop" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/sdsc-ordes/rust-workshop
[INFO] finished tweaking git repo https://github.com/sdsc-ordes/rust-workshop
[INFO] tweaked toml for git repo https://github.com/sdsc-ordes/rust-workshop written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sdsc-ordes/rust-workshop on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sdsc-ordes/rust-workshop 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking sdsc-ordes/rust-workshop against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdsc-ordes%2Frust-workshop" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/sdsc-ordes/rust-workshop
[INFO] finished tweaking git repo https://github.com/sdsc-ordes/rust-workshop
[INFO] tweaked toml for git repo https://github.com/sdsc-ordes/rust-workshop written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sdsc-ordes/rust-workshop on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sdsc-ordes/rust-workshop 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.19
[INFO] [stderr]   Downloaded serde_json v1.0.121
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8329b6a9a23dd5cf1ab2163b92a80fc6dcf110f189ddd71f15a5b18b4719fac0
[INFO] running `Command { std: "docker" "start" "-a" "8329b6a9a23dd5cf1ab2163b92a80fc6dcf110f189ddd71f15a5b18b4719fac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8329b6a9a23dd5cf1ab2163b92a80fc6dcf110f189ddd71f15a5b18b4719fac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8329b6a9a23dd5cf1ab2163b92a80fc6dcf110f189ddd71f15a5b18b4719fac0", kill_on_drop: false }`
[INFO] [stdout] 8329b6a9a23dd5cf1ab2163b92a80fc6dcf110f189ddd71f15a5b18b4719fac0
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1502230c8bb444061fe15096042aec5f82a61775b3abd56b6d1f5a86e9981b80
[INFO] running `Command { std: "docker" "start" "-a" "1502230c8bb444061fe15096042aec5f82a61775b3abd56b6d1f5a86e9981b80", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde_json v1.0.121
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking move-semantics v0.1.0 (/opt/rustwide/workdir/exercises/move-semantics)
[INFO] [stderr]     Checking blanket-implementation v0.1.0 (/opt/rustwide/workdir/exercises/blanket-implementation)
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking borrowing v0.1.0 (/opt/rustwide/workdir/exercises/borrowing)
[INFO] [stderr]     Checking composite-types v0.1.0 (/opt/rustwide/workdir/exercises/composite-types)
[INFO] [stderr]     Checking error-handling v0.1.0 (/opt/rustwide/workdir/exercises/error-handling)
[INFO] [stderr]     Checking basic-syntax v0.1.0 (/opt/rustwide/workdir/exercises/basic-syntax)
[INFO] [stderr]     Checking slices v0.1.0 (/opt/rustwide/workdir/exercises/slices)
[INFO] [stdout] error[E0609]: no field `i` on type `[{integer}; 5]`
[INFO] [stdout]  --> exercises/basic-syntax/src/bin/05.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |         data.i = floored_half(data.i);
[INFO] [stdout]   |              ^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `i` on type `[{integer}; 5]`
[INFO] [stdout]  --> exercises/basic-syntax/src/bin/05.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 |         data.i = floored_half(data.i);
[INFO] [stdout]   |                                    ^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `x` as mutable more than once at a time
[INFO] [stdout]  --> exercises/move-semantics/src/bin/05.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let y = &mut x;
[INFO] [stdout]   |             ------ first mutable borrow occurs here
[INFO] [stdout] 7 |     let z = &mut x;
[INFO] [stdout]   |             ^^^^^^ second mutable borrow occurs here
[INFO] [stdout] 8 |     y.push(42);
[INFO] [stdout]   |     - first borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0600]: cannot apply unary operator `!` to type `()`
[INFO] [stdout]   --> exercises/composite-types/src/bin/05.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         assert!(package.is_international());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot apply unary operator `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0600]: cannot apply unary operator `!` to type `()`
[INFO] [stdout]   --> exercises/composite-types/src/bin/05.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |         assert!(!package.is_international());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot apply unary operator `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `name` on type `fn() {tests::your_order}`
[INFO] [stdout]   --> exercises/composite-types/src/bin/04.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |         assert_eq!(your_order.name, "Hacker in Rust");
[INFO] [stdout]    |                               ^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking options v0.1.0 (/opt/rustwide/workdir/exercises/options)
[INFO] [stdout] For more information about this error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `year` on type `fn() {tests::your_order}`
[INFO] [stdout]   --> exercises/composite-types/src/bin/04.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         assert_eq!(your_order.year, order_template.year);
[INFO] [stdout]    |                               ^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `made_by_phone` on type `fn() {tests::your_order}`
[INFO] [stdout]   --> exercises/composite-types/src/bin/04.rs:41:31
[INFO] [stdout]    |
[INFO] [stdout] 41 |         assert_eq!(your_order.made_by_phone, order_template.made_by_phone);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `made_by_mobile` on type `fn() {tests::your_order}`
[INFO] [stdout]   --> exercises/composite-types/src/bin/04.rs:42:31
[INFO] [stdout]    |
[INFO] [stdout] 42 |         assert_eq!(your_order.made_by_mobile, order_template.made_by_mobile);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `made_by_email` on type `fn() {tests::your_order}`
[INFO] [stdout]   --> exercises/composite-types/src/bin/04.rs:43:31
[INFO] [stdout]    |
[INFO] [stdout] 43 |         assert_eq!(your_order.made_by_email, order_template.made_by_email);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `item_number` on type `fn() {tests::your_order}`
[INFO] [stdout]   --> exercises/composite-types/src/bin/04.rs:44:31
[INFO] [stdout]    |
[INFO] [stdout] 44 |         assert_eq!(your_order.item_number, order_template.item_number);
[INFO] [stdout]    |                               ^^^^^^^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `count` on type `fn() {tests::your_order}`
[INFO] [stdout]   --> exercises/composite-types/src/bin/04.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 |         assert_eq!(your_order.count, 1);
[INFO] [stdout]    |                               ^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> exercises/basic-syntax/src/bin/05.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn floored_half(data: i32) {
[INFO] [stdout]   |                           - help: try adding a return type: `-> i32`
[INFO] [stdout] 9 |     data / 2
[INFO] [stdout]   |     ^^^^^^^^ expected `()`, found `i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyError` is never used
[INFO] [stdout]   --> exercises/error-handling/src/main.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum MyError {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/borrowing/src/bin/03.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn string_uppercase(mut data: &String) {
[INFO] [stdout]    |                               ------- expected due to this parameter type
[INFO] [stdout] 13 |     data = data.to_uppercase();
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^ expected `&String`, found `String`
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding
[INFO] [stdout]    |
[INFO] [stdout] 12 ~ fn string_uppercase(data: &mut String) {
[INFO] [stdout] 13 ~     *data = data.to_uppercase();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0609`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/composite-types/src/bin/05.rs:84:54
[INFO] [stdout]    |
[INFO] [stdout] 84 |         assert_eq!(package.get_fees(cents_per_gram), 4500);
[INFO] [stdout]    |                                                      ^^^^ expected `()`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `data`
[INFO] [stdout]   --> exercises/borrowing/src/bin/03.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let data = "Rust is great!".to_string();
[INFO] [stdout]    |         ---- move occurs because `data` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 20 |
[INFO] [stdout] 21 |     get_char(data);
[INFO] [stdout]    |              ---- value moved here
[INFO] [stdout] 22 |
[INFO] [stdout] 23 |     string_uppercase(&data);
[INFO] [stdout]    |                      ^^^^^ value borrowed here after move
[INFO] [stdout]    |
[INFO] [stdout] note: consider changing this parameter type in function `get_char` to borrow instead if owning the value isn't necessary
[INFO] [stdout]   --> exercises/borrowing/src/bin/03.rs:7:19
[INFO] [stdout]    |
[INFO] [stdout]  7 | fn get_char(data: String) -> char {
[INFO] [stdout]    |    --------       ^^^^^^ this parameter takes ownership of the value
[INFO] [stdout]    |    |
[INFO] [stdout]    |    in this function
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]    |
[INFO] [stdout] 21 |     get_char(data.clone());
[INFO] [stdout]    |                  ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0382.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `move-semantics` (bin "05" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> exercises/error-handling/src/main.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | io::stdout().flush();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 | let _ = io::stdout().flush();
[INFO] [stdout]    | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> exercises/error-handling/src/main.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | io::stdin().lock().read_line(&mut input);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 | let _ = io::stdin().lock().read_line(&mut input);
[INFO] [stdout]    | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/composite-types/src/bin/05.rs:85:58
[INFO] [stdout]    |
[INFO] [stdout] 85 |         assert_eq!(package.get_fees(cents_per_gram * 2), 9000);
[INFO] [stdout]    |                                                          ^^^^ expected `()`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `composite-types` (bin "04" test) due to 7 previous errors
[INFO] [stdout] warning: unused variable: `cents_per_gram`
[INFO] [stdout]   --> exercises/composite-types/src/bin/05.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn get_fees(&self, cents_per_gram: u32) {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cents_per_gram`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `basic-syntax` (bin "05") due to 3 previous errors
[INFO] [stderr] error: could not compile `borrowing` (bin "03") due to 2 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0308, E0600.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> exercises/blanket-implementation/src/bin/01.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let b = Banana::default();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `boxed`
[INFO] [stdout]   --> exercises/blanket-implementation/src/bin/01.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let boxed = Box::new(Banana::default());
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arc`
[INFO] [stdout]   --> exercises/blanket-implementation/src/bin/01.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let arc = Arc::new(Banana::default());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_arc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `boxed`
[INFO] [stdout]   --> exercises/blanket-implementation/src/bin/01.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let boxed = Box::new(b);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arc`
[INFO] [stdout]   --> exercises/blanket-implementation/src/bin/01.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let arc = Arc::new(Banana::default());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_arc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Washable` is never used
[INFO] [stdout]  --> exercises/blanket-implementation/src/bin/01.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait Washable<'a> {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wash_properly` is never used
[INFO] [stdout]   --> exercises/blanket-implementation/src/bin/01.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn wash_properly<'a>(element: impl Washable<'a>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `composite-types` (bin "05" test) due to 4 previous errors; 1 warning emitted
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `{`
[INFO] [stdout]   --> exercises/options/src/bin/02-options.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 |         integer = optional_integers.pop() {
[INFO] [stdout]    |                                           ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `[i32]` is not an iterator
[INFO] [stdout]   --> exercises/slices/src/main.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     for elem in a[a_idx..] {
[INFO] [stdout]    |                 ^^^^^^^^^^ the trait `IntoIterator` is not implemented for `[i32]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the trait bound `[i32]: IntoIterator` is not satisfied
[INFO] [stdout]    = note: required for `[i32]` to implement `IntoIterator`
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 26 |     for elem in &a[a_idx..] {
[INFO] [stdout]    |                 +
[INFO] [stdout] 26 |     for elem in &mut a[a_idx..] {
[INFO] [stdout]    |                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `[i32]` is not an iterator
[INFO] [stdout]   --> exercises/slices/src/main.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     for elem in a[a_idx..] {
[INFO] [stdout]    |                 ^^^^^^^^^^ the trait `Sized` is not implemented for `[i32]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the trait bound `Sized` is not satisfied
[INFO] [stdout]    = note: required for `[i32]` to implement `IntoIterator`
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 26 |     for elem in &a[a_idx..] {
[INFO] [stdout]    |                 +
[INFO] [stdout] 26 |     for elem in &mut a[a_idx..] {
[INFO] [stdout]    |                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `[i32]` is not an iterator
[INFO] [stdout]   --> exercises/slices/src/main.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     for elem in b[b_idx..] {
[INFO] [stdout]    |                 ^^^^^^^^^^ the trait `IntoIterator` is not implemented for `[i32]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the trait bound `[i32]: IntoIterator` is not satisfied
[INFO] [stdout]    = note: required for `[i32]` to implement `IntoIterator`
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 29 |     for elem in &b[b_idx..] {
[INFO] [stdout]    |                 +
[INFO] [stdout] 29 |     for elem in &mut b[b_idx..] {
[INFO] [stdout]    |                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `[i32]` is not an iterator
[INFO] [stdout]   --> exercises/slices/src/main.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     for elem in b[b_idx..] {
[INFO] [stdout]    |                 ^^^^^^^^^^ the trait `Sized` is not implemented for `[i32]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the trait bound `Sized` is not satisfied
[INFO] [stdout]    = note: required for `[i32]` to implement `IntoIterator`
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 29 |     for elem in &b[b_idx..] {
[INFO] [stdout]    |                 +
[INFO] [stdout] 29 |     for elem in &mut b[b_idx..] {
[INFO] [stdout]    |                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `options` (bin "02-options") due to 1 previous error
[INFO] [stderr] error: could not compile `slices` (bin "slices") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "1502230c8bb444061fe15096042aec5f82a61775b3abd56b6d1f5a86e9981b80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1502230c8bb444061fe15096042aec5f82a61775b3abd56b6d1f5a86e9981b80", kill_on_drop: false }`
[INFO] [stdout] 1502230c8bb444061fe15096042aec5f82a61775b3abd56b6d1f5a86e9981b80
