[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] checking HarmonEpsilon/Restaurant-rs against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarmonEpsilon%2FRestaurant-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HarmonEpsilon/Restaurant-rs on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5628468cb10c00f088f7086a86d51001857254030d73c92a3a8ca4df96ec6859
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5628468cb10c00f088f7086a86d51001857254030d73c92a3a8ca4df96ec6859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5628468cb10c00f088f7086a86d51001857254030d73c92a3a8ca4df96ec6859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5628468cb10c00f088f7086a86d51001857254030d73c92a3a8ca4df96ec6859", kill_on_drop: false }`
[INFO] [stdout] 5628468cb10c00f088f7086a86d51001857254030d73c92a3a8ca4df96ec6859
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c515395725217a4fce8b473b4e71d6138749180e4c4e73ad32f0b67b973f17a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3c515395725217a4fce8b473b4e71d6138749180e4c4e73ad32f0b67b973f17a", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking 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]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking input-stream v0.2.0
[INFO] [stderr]     Checking Restaurant-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
[INFO] [stdout]   --> src/restaurant.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 |         available: Dlist<Table>::new(),
[INFO] [stdout]    |                                  ^^^^^ only `Fn` traits may use parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
[INFO] [stdout]   --> src/restaurant.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 |         occupied: Dlist<Table>::new(),
[INFO] [stdout]    |                                 ^^^^^ only `Fn` traits may use parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
[INFO] [stdout]   --> src/restaurant.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |         waiting: Dlist<Party>::new(),
[INFO] [stdout]    |                                ^^^^^ only `Fn` traits may use parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[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[E0214]: parenthesized type parameters may only be used with a `Fn` trait
[INFO] [stdout]   --> src/restaurant.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 |         available: Dlist<Table>::new(),
[INFO] [stdout]    |                                  ^^^^^ only `Fn` traits may use parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
[INFO] [stdout]   --> src/restaurant.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 |         occupied: Dlist<Table>::new(),
[INFO] [stdout]    |                                 ^^^^^ only `Fn` traits may use parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
[INFO] [stdout]   --> src/restaurant.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |         waiting: Dlist<Party>::new(),
[INFO] [stdout]    |                                ^^^^^ only `Fn` traits may use parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[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[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/restaurant.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |         available: Dlist<Table>::new(),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ help: use fully-qualified syntax: `<Dlist<Table> as Trait>::new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/restaurant.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |         occupied: Dlist<Table>::new(),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^ help: use fully-qualified syntax: `<Dlist<Table> as Trait>::new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/restaurant.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         waiting: Dlist<Party>::new(),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ help: use fully-qualified syntax: `<Dlist<Party> as Trait>::new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/restaurant.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |         available: Dlist<Table>::new(),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ help: use fully-qualified syntax: `<Dlist<Table> as Trait>::new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/restaurant.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |         occupied: Dlist<Table>::new(),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^ help: use fully-qualified syntax: `<Dlist<Table> as Trait>::new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/restaurant.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         waiting: Dlist<Party>::new(),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ help: use fully-qualified syntax: `<Dlist<Party> as Trait>::new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0214, E0223.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0214`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0214, E0223.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0214`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Restaurant-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3c515395725217a4fce8b473b4e71d6138749180e4c4e73ad32f0b67b973f17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c515395725217a4fce8b473b4e71d6138749180e4c4e73ad32f0b67b973f17a", kill_on_drop: false }`
[INFO] [stdout] 3c515395725217a4fce8b473b4e71d6138749180e4c4e73ad32f0b67b973f17a
