[INFO] cloning repository https://github.com/andreihoang/RustBasic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andreihoang/RustBasic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreihoang%2FRustBasic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreihoang%2FRustBasic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 872f942aae9d303b13c1a07222b22a625d01cb5b
[INFO] checking andreihoang/RustBasic against try#b32fc44666c052e7cf07ab471bfb6f9ec571902f for pr-138676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreihoang%2FRustBasic" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andreihoang/RustBasic on toolchain b32fc44666c052e7cf07ab471bfb6f9ec571902f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andreihoang/RustBasic
[INFO] finished tweaking git repo https://github.com/andreihoang/RustBasic
[INFO] tweaked toml for git repo https://github.com/andreihoang/RustBasic written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/andreihoang/RustBasic 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" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5836173804aa3ae1cefdbec150667a30ca0d5044356b9aaca748981f78d4f4e6
[INFO] running `Command { std: "docker" "start" "-a" "5836173804aa3ae1cefdbec150667a30ca0d5044356b9aaca748981f78d4f4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5836173804aa3ae1cefdbec150667a30ca0d5044356b9aaca748981f78d4f4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5836173804aa3ae1cefdbec150667a30ca0d5044356b9aaca748981f78d4f4e6", kill_on_drop: false }`
[INFO] [stdout] 5836173804aa3ae1cefdbec150667a30ca0d5044356b9aaca748981f78d4f4e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eb5ef38a7f8b80de69dabd2c30fc152bcf9d6cd105de206363ddce4de9872e4
[INFO] running `Command { std: "docker" "start" "-a" "1eb5ef38a7f8b80de69dabd2c30fc152bcf9d6cd105de206363ddce4de9872e4", kill_on_drop: false }`
[INFO] [stderr]     Checking Excercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `AppendBar` is never used
[INFO] [stdout]  --> src/bin/bai_tap_3.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | trait AppendBar {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/bin/bai_tap_3.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         &self.push("Bar".to_owned());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let _ = &self.push("Bar".to_owned());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `trimmed_text` does not live long enough
[INFO] [stdout]   --> src/bin/bai_tap_1.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let trimmed_text: String = input_text.trim().to_string();
[INFO] [stdout]    |             ------------ binding `trimmed_text` declared here
[INFO] [stdout] 16 |         input = trim(&trimmed_text);
[INFO] [stdout]    |                      ^^^^^^^^^^^^^ borrowed value does not live long enough
[INFO] [stdout] ...
[INFO] [stdout] 23 |     }
[INFO] [stdout]    |     - `trimmed_text` dropped here while still borrowed
[INFO] [stdout] 24 |     println!("{:?}", input);
[INFO] [stdout]    |                      ----- borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `trimmed_text` does not live long enough
[INFO] [stdout]   --> src/bin/bai_tap_1.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let trimmed_text: String = input_text.trim().to_string();
[INFO] [stdout]    |             ------------ binding `trimmed_text` declared here
[INFO] [stdout] 16 |         input = trim(&trimmed_text);
[INFO] [stdout]    |                      ^^^^^^^^^^^^^ borrowed value does not live long enough
[INFO] [stdout] ...
[INFO] [stdout] 23 |     }
[INFO] [stdout]    |     - `trimmed_text` dropped here while still borrowed
[INFO] [stdout] 24 |     println!("{:?}", input);
[INFO] [stdout]    |                      ----- borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/bin/bai_tap_3.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         &self.push("Bar".to_owned());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let _ = &self.push("Bar".to_owned());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shopping_list`
[INFO] [stdout]   --> src/bin/bai_tap_4.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn total_price(&self, shopping_list: &[&str]) -> Option<f32> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shopping_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Excercise` (bin "bai_tap_1" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `Excercise` (bin "bai_tap_1") due to 1 previous error
[INFO] [stdout] warning: unused variable: `shopping_list`
[INFO] [stdout]   --> src/bin/bai_tap_4.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn total_price(&self, shopping_list: &[&str]) -> Option<f32> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shopping_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Price` is never used
[INFO] [stdout]   --> src/bin/bai_tap_4.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | trait Price {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Store` is never constructed
[INFO] [stdout]   --> src/bin/bai_tap_4.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Store {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Item` is never constructed
[INFO] [stdout]   --> src/bin/bai_tap_4.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct Item {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `add_item` are never used
[INFO] [stdout]   --> src/bin/bai_tap_4.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Store {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 37 |     fn new(name: String) -> Store {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn add_item(&mut self, item: Item) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_store` is never used
[INFO] [stdout]   --> src/bin/bai_tap_4.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn build_store() -> Store {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Factory` is never constructed
[INFO] [stdout]    --> src/bin/bai_tap_4.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct Factory {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_factory` is never used
[INFO] [stdout]    --> src/bin/bai_tap_4.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn build_factory() -> Factory {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `price` is never used
[INFO] [stdout]   --> src/bin/bai_tap_4.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | trait Price {
[INFO] [stdout]    |       ----- method in this trait
[INFO] [stdout] 12 |     fn price(&self, item_name: &str) -> Option<f32>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/bai_tap_4.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Store {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 26 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1eb5ef38a7f8b80de69dabd2c30fc152bcf9d6cd105de206363ddce4de9872e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb5ef38a7f8b80de69dabd2c30fc152bcf9d6cd105de206363ddce4de9872e4", kill_on_drop: false }`
[INFO] [stdout] 1eb5ef38a7f8b80de69dabd2c30fc152bcf9d6cd105de206363ddce4de9872e4