[INFO] cloning repository https://github.com/developerNoman/Rust-Exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/developerNoman/Rust-Exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdeveloperNoman%2FRust-Exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdeveloperNoman%2FRust-Exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68488431560c510a86c1f0304cecbabca7c130d2
[INFO] checking developerNoman/Rust-Exercise/68488431560c510a86c1f0304cecbabca7c130d2 against master#e1613686e0efc80a1a18b1263625450a8de3fb04 for pr-154492-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdeveloperNoman%2FRust-Exercise" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
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[INFO] started tweaking git repo https://github.com/developerNoman/Rust-Exercise
[INFO] finished tweaking git repo https://github.com/developerNoman/Rust-Exercise
[INFO] tweaked toml for git repo https://github.com/developerNoman/Rust-Exercise written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/developerNoman/Rust-Exercise on toolchain e1613686e0efc80a1a18b1263625450a8de3fb04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/developerNoman/Rust-Exercise 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" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2140b7343a0b2d1236a3b292f74819ef08bad74d28fdffb56e5c1254d9d3019a
[INFO] running `Command { std: "docker" "start" "-a" "2140b7343a0b2d1236a3b292f74819ef08bad74d28fdffb56e5c1254d9d3019a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2140b7343a0b2d1236a3b292f74819ef08bad74d28fdffb56e5c1254d9d3019a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2140b7343a0b2d1236a3b292f74819ef08bad74d28fdffb56e5c1254d9d3019a", kill_on_drop: false }`
[INFO] [stdout] 2140b7343a0b2d1236a3b292f74819ef08bad74d28fdffb56e5c1254d9d3019a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7253bdaccbf6222c1e2b8504d6f0ae1acaa25698bdeadc1618e9826c9339995
[INFO] running `Command { std: "docker" "start" "-a" "e7253bdaccbf6222c1e2b8504d6f0ae1acaa25698bdeadc1618e9826c9339995", kill_on_drop: false }`
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[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common)
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[INFO] [stderr]     Checking unicode-width v0.1.13
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[INFO] [stderr]     Checking pulldown-cmark-escape v0.11.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking packages v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/10_packages)
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking opener v0.7.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro)
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro)
[INFO] [stderr]     Checking error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait)
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum Status {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 43 |     ToDo,
[INFO] [stdout] 44 |     InProgress { assigned_to: String },
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 45 |     Done,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling html5ever v0.27.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]     Checking ticket_fields v0.1.0 (/opt/rustwide/workdir/helpers/ticket_fields)
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling pest v2.7.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]    Compiling pest_meta v2.7.11
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v15.0.1
[INFO] [stderr]    Compiling markup5ever v0.12.1
[INFO] [stderr]     Checking rwlock v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/12_rw_lock)
[INFO] [stdout] warning: unused import: `TrySendError`
[INFO] [stdout]  --> exercises/07_threads/12_rw_lock/src/lib.rs:3:59
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender, TrySendError};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Command` is more private than the item `server`
[INFO] [stdout]   --> exercises/07_threads/12_rw_lock/src/lib.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn server(receiver: Receiver<Command>) {
[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/12_rw_lock/src/lib.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | enum Command {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking locks v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/11_locks)
[INFO] [stdout] error: expected type, found `"not yet implemented"`
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/store.rs:37:47
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn get(&self, id: TicketId) -> Option<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] 
[INFO] [stdout] warning: unused import: `TrySendError`
[INFO] [stdout]  --> exercises/07_threads/11_locks/src/lib.rs:4:59
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender, TrySendError};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking without_channels v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/13_without_channels)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/store.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         todo!();
[INFO] [stdout]    |         ------- any code following this expression is unreachable
[INFO] [stdout] 32 |         id
[INFO] [stdout]    |         ^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/lib.rs:79:47
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let _ = response_channel.send(ticket);
[INFO] [stdout]    |                                          ---- ^^^^^^ expected `Option<Arc<Mutex<Ticket>>>`, found `Option<()>`
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<Arc<std::sync::Mutex<Ticket>>>`
[INFO] [stdout]               found enum `Option<()>`
[INFO] [stdout] help: the return type of this call is `Option<()>` due to the type of the argument passed
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/lib.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let _ = response_channel.send(ticket);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^------^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               this argument influences the return type of `send`
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/e1613686e0efc80a1a18b1263625450a8de3fb04/library/std/src/sync/mpsc.rs:696:11
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ticket`
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/store.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let ticket = Ticket {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ticket`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/store.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn get(&self, id: TicketId) -> Option<todo!()> {
[INFO] [stdout]    |                       ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `locks` (lib) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e7253bdaccbf6222c1e2b8504d6f0ae1acaa25698bdeadc1618e9826c9339995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7253bdaccbf6222c1e2b8504d6f0ae1acaa25698bdeadc1618e9826c9339995", kill_on_drop: false }`
[INFO] [stdout] e7253bdaccbf6222c1e2b8504d6f0ae1acaa25698bdeadc1618e9826c9339995