[INFO] cloning repository https://github.com/HarmonEpsilon/Restaurant-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HarmonEpsilon/Restaurant-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarmonEpsilon%2FRestaurant-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarmonEpsilon%2FRestaurant-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06a49a1d25b66a12a7627d7796844a50a250b916
[INFO] building HarmonEpsilon/Restaurant-rs against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarmonEpsilon%2FRestaurant-rs" "/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/HarmonEpsilon/Restaurant-rs on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HarmonEpsilon/Restaurant-rs
[INFO] finished tweaking git repo https://github.com/HarmonEpsilon/Restaurant-rs
[INFO] tweaked toml for git repo https://github.com/HarmonEpsilon/Restaurant-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/HarmonEpsilon/Restaurant-rs 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f15d1bae1d366e7e1e90d336c76e5579198ec66e9377e6e58d75ac191f9f9c6a
[INFO] running `Command { std: "docker" "start" "-a" "f15d1bae1d366e7e1e90d336c76e5579198ec66e9377e6e58d75ac191f9f9c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f15d1bae1d366e7e1e90d336c76e5579198ec66e9377e6e58d75ac191f9f9c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15d1bae1d366e7e1e90d336c76e5579198ec66e9377e6e58d75ac191f9f9c6a", kill_on_drop: false }`
[INFO] [stdout] f15d1bae1d366e7e1e90d336c76e5579198ec66e9377e6e58d75ac191f9f9c6a
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94c247966e0e0cc336cc07b8e74b6371b95547ecd1c1510f4eb12d88b2f9419d
[INFO] running `Command { std: "docker" "start" "-a" "94c247966e0e0cc336cc07b8e74b6371b95547ecd1c1510f4eb12d88b2f9419d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling input-stream v0.2.0
[INFO] [stderr]    Compiling Restaurant-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dlist`
[INFO] [stdout]  --> src/party.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use dlist;
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dlist`
[INFO] [stdout]  --> src/table.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use dlist;
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/restaurant.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use std::io;
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::input_stream::InputStream`
[INFO] [stdout]  --> src/restaurant.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use self::input_stream::InputStream;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: return type notation arguments must be elided with `..`
[INFO] [stdout]   --> src/restaurant.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 |         available: Dlist<Table>::new(),
[INFO] [stdout]    |                                     ^^ help: add `..`: `(..)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
[INFO] [stdout]    = help: add `#![feature(return_type_notation)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-01-07; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: return type notation arguments must be elided with `..`
[INFO] [stdout]   --> src/restaurant.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 |         occupied: Dlist<Table>::new(),
[INFO] [stdout]    |                                    ^^ help: add `..`: `(..)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
[INFO] [stdout]    = help: add `#![feature(return_type_notation)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-01-07; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: return type notation arguments must be elided with `..`
[INFO] [stdout]   --> src/restaurant.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |         waiting: Dlist<Party>::new(),
[INFO] [stdout]    |                                   ^^ help: add `..`: `(..)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
[INFO] [stdout]    = help: add `#![feature(return_type_notation)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-01-07; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: return type notation not allowed in this position yet
[INFO] [stdout]   --> src/restaurant.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |         available: Dlist<Table>::new(),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: return type notation not allowed in this position yet
[INFO] [stdout]   --> src/restaurant.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |         occupied: Dlist<Table>::new(),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: return type notation not allowed in this position yet
[INFO] [stdout]   --> src/restaurant.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         waiting: Dlist<Party>::new(),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/table.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 party: self.party.clone().unwrap()
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Option<Box<Party>>`, found `Box<Party>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<Box<_>>`
[INFO] [stdout]             found struct `Box<_>`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 party: Some(self.party.clone().unwrap())
[INFO] [stdout]    |                        +++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_id`
[INFO] [stdout]   --> src/restaurant.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let mut server_id: String;
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/restaurant.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let mut name: String;
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reservation`
[INFO] [stdout]   --> src/restaurant.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut reservation: String;
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reservation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/restaurant.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let mut id: String;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer_in`
[INFO] [stdout]   --> src/restaurant.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let mut buffer_in: String;
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `serving`
[INFO] [stdout]   --> src/restaurant.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let mut serving: u32 = 0;
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_serving`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timer`
[INFO] [stdout]   --> src/restaurant.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let mut timer: u32 = 0;
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_timer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seats`
[INFO] [stdout]   --> src/restaurant.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let mut seats: u32 = 0;
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_seats`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/restaurant.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let mut serving: u32 = 0;
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/restaurant.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let mut timer: u32 = 0;
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/restaurant.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let mut seats: u32 = 0;
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Restaurant-rs` (bin "Restaurant-rs") due to 7 previous errors; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "94c247966e0e0cc336cc07b8e74b6371b95547ecd1c1510f4eb12d88b2f9419d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c247966e0e0cc336cc07b8e74b6371b95547ecd1c1510f4eb12d88b2f9419d", kill_on_drop: false }`
[INFO] [stdout] 94c247966e0e0cc336cc07b8e74b6371b95547ecd1c1510f4eb12d88b2f9419d
