[INFO] cloning repository https://github.com/A417ya/100-exercises-to-learn-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/A417ya/100-exercises-to-learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FA417ya%2F100-exercises-to-learn-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FA417ya%2F100-exercises-to-learn-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 932b5d6ff1ee5aee748ef26529d3b33af5b612ef [INFO] checking A417ya/100-exercises-to-learn-rust/932b5d6ff1ee5aee748ef26529d3b33af5b612ef against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FA417ya%2F100-exercises-to-learn-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/A417ya/100-exercises-to-learn-rust on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/A417ya/100-exercises-to-learn-rust [INFO] finished tweaking git repo https://github.com/A417ya/100-exercises-to-learn-rust [INFO] tweaked toml for git repo https://github.com/A417ya/100-exercises-to-learn-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/A417ya/100-exercises-to-learn-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" 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kill_on_drop: false }` [INFO] [stdout] db8cf9f2d633f60f65914902a38352e5d2ca8d67723b581d6b254fd40f00e985 [INFO] running `Command { std: "docker" "start" "-a" "db8cf9f2d633f60f65914902a38352e5d2ca8d67723b581d6b254fd40f00e985", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db8cf9f2d633f60f65914902a38352e5d2ca8d67723b581d6b254fd40f00e985", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db8cf9f2d633f60f65914902a38352e5d2ca8d67723b581d6b254fd40f00e985", kill_on_drop: false }` [INFO] [stdout] db8cf9f2d633f60f65914902a38352e5d2ca8d67723b581d6b254fd40f00e985 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" 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(/opt/rustwide/workdir/exercises/07_threads/08_client) [INFO] [stderr] Checking bounded v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/09_bounded) [INFO] [stdout] error: expected type, found `"not yet implemented"` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | sender: todo!(), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected type [INFO] [stdout] | in this macro invocation [INFO] [stdout] | this macro call doesn't expand to a type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected type, found `"not yet implemented"` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:15:66 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn insert(&self, draft: TicketDraft) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected type [INFO] [stdout] | in this macro invocation [INFO] [stdout] | this macro call doesn't expand to a type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected type, found `"not yet implemented"` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:19:63 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn get(&self, id: TicketId) -> Result, todo!()> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected type [INFO] [stdout] | in this macro invocation [INFO] [stdout] | this macro call doesn't expand to a type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected type, found `"not yet implemented"` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:33:27 [INFO] [stdout] | [INFO] [stdout] 33 | response_channel: todo!(), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected type [INFO] [stdout] | in this macro invocation [INFO] [stdout] | this macro call doesn't expand to a type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected type, found `"not yet implemented"` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:37:27 [INFO] [stdout] | [INFO] [stdout] 37 | response_channel: todo!(), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected type [INFO] [stdout] | in this macro invocation [INFO] [stdout] | this macro call doesn't expand to a type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `receiver` in this scope [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:26:39 [INFO] [stdout] | [INFO] [stdout] 26 | std::thread::spawn(move || server(receiver)); [INFO] [stdout] | ^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `draft` [INFO] [stdout] --> exercises/07_threads/08_client/src/lib.rs:14:26 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn insert(&self, draft: TicketDraft) -> TicketId { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_draft` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> exercises/07_threads/08_client/src/lib.rs:18:23 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn get(&self, id: TicketId) -> Option { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sender` [INFO] [stdout] --> exercises/07_threads/08_client/src/lib.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | let (sender, receiver) = std::sync::mpsc::channel(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Sender` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:4:33 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::mpsc::{Receiver, Sender}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | todo!(); [INFO] [stdout] | ------- any code following this expression is unreachable [INFO] [stdout] 26 | std::thread::spawn(move || server(receiver)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Command` is more private than the item `server` [INFO] [stdout] --> exercises/07_threads/08_client/src/lib.rs:41:1 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn server(receiver: Receiver) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stdout] --> exercises/07_threads/08_client/src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | enum Command { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Insert` and `Get` are never constructed [INFO] [stdout] --> exercises/07_threads/08_client/src/lib.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 30 | enum Command { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 31 | Insert { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | Get { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `draft` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:15:26 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn insert(&self, draft: TicketDraft) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_draft` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn get(&self, id: TicketId) -> Result, todo!()> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response_channel` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | response_channel, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: try ignoring the field: `response_channel: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:49:21 [INFO] [stdout] | [INFO] [stdout] 49 | let id = store.add_ticket(draft); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response_channel` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | response_channel, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: try ignoring the field: `response_channel: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ticket` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | let ticket = store.get(id); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ticket` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bounded` (lib) due to 7 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dd263ddd0e74091bae2851a393503c99432bcfdb5a531df86ac1315e09949d3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd263ddd0e74091bae2851a393503c99432bcfdb5a531df86ac1315e09949d3f", kill_on_drop: false }` [INFO] [stdout] dd263ddd0e74091bae2851a393503c99432bcfdb5a531df86ac1315e09949d3f