[INFO] fetching crate orbclient_window_shortcuts 0.1.5...
[INFO] testing orbclient_window_shortcuts-0.1.5 against 1.47.0 for beta-1.48-1
[INFO] extracting crate orbclient_window_shortcuts 0.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate orbclient_window_shortcuts 0.1.5 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate orbclient_window_shortcuts 0.1.5
[INFO] finished tweaking crates.io crate orbclient_window_shortcuts 0.1.5
[INFO] tweaked toml for crates.io crate orbclient_window_shortcuts 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e67555569c0d1746d13dbc1429052188f3504a83cef77bc63f490448d8669874
[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" "e67555569c0d1746d13dbc1429052188f3504a83cef77bc63f490448d8669874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e67555569c0d1746d13dbc1429052188f3504a83cef77bc63f490448d8669874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67555569c0d1746d13dbc1429052188f3504a83cef77bc63f490448d8669874", kill_on_drop: false }`
[INFO] [stdout] e67555569c0d1746d13dbc1429052188f3504a83cef77bc63f490448d8669874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 985fc7f903f1394e0222e11db64532a4814c740f4ea87fa95da61ded0dc1c802
[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" "985fc7f903f1394e0222e11db64532a4814c740f4ea87fa95da61ded0dc1c802", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling orbclient v0.3.27
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling orbclient_window_shortcuts v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(type_ascription, vec_remove_item)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde`
[INFO] [stdout]  --> src/shortcut.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> src/shortcut.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_derive`
[INFO] [stdout]  --> src/shortcut.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_derive;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `Result`
[INFO] [stdout]  --> src/utils.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufReader, Error, Result};
[INFO] [stdout]   |                          ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde`
[INFO] [stdout]  --> src/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> src/utils.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_derive`
[INFO] [stdout]  --> src/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_derive;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `shortcut::ShortcutComparator`
[INFO] [stdout]  --> src/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use shortcut::ShortcutComparator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `load`
[INFO] [stdout]   --> src/lib.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 | use utils::{load};
[INFO] [stdout]    |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::fmt::Debug;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Eq`, `PartialEq`
[INFO] [stdout]   --> src/lib.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::cmp::{PartialEq, Eq};
[INFO] [stdout]    |                ^^^^^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventOption`, `Window`
[INFO] [stdout]   --> src/lib.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | use orbclient::{Window, EventOption};
[INFO] [stdout]    |                 ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::vec::Vec::<T>::remove_item`: Removing the first item equal to a needle is already easily possible with iterators and the current Vec methods. Furthermore, having a method for one particular case of removal (linear search, only the first item, no swap remove) but not for others is inconsistent. This method will be removed soon.
[INFO] [stdout]   --> src/lib.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 75 |             self.pressed.remove_item(&key_event.scancode);
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `orbclient_window_shortcuts`.
[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" "985fc7f903f1394e0222e11db64532a4814c740f4ea87fa95da61ded0dc1c802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "985fc7f903f1394e0222e11db64532a4814c740f4ea87fa95da61ded0dc1c802", kill_on_drop: false }`
[INFO] [stdout] 985fc7f903f1394e0222e11db64532a4814c740f4ea87fa95da61ded0dc1c802
