[INFO] fetching crate ez_audio 0.1.6...
[INFO] testing ez_audio-0.1.6 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ez_audio 0.1.6 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate ez_audio 0.1.6 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ez_audio 0.1.6
[INFO] finished tweaking crates.io crate ez_audio 0.1.6
[INFO] tweaked toml for crates.io crate ez_audio 0.1.6 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2e77f8e627c9fb8a0d4c8558e57246463d8772dbecb2bb0a1ebabf05a2655d4
[INFO] running `Command { std: "docker" "start" "-a" "c2e77f8e627c9fb8a0d4c8558e57246463d8772dbecb2bb0a1ebabf05a2655d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2e77f8e627c9fb8a0d4c8558e57246463d8772dbecb2bb0a1ebabf05a2655d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e77f8e627c9fb8a0d4c8558e57246463d8772dbecb2bb0a1ebabf05a2655d4", kill_on_drop: false }`
[INFO] [stdout] c2e77f8e627c9fb8a0d4c8558e57246463d8772dbecb2bb0a1ebabf05a2655d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71b33bada307fb3c0f10e5a8bcd81c9f84100250636d2214b9e4f334fe6d3ea7
[INFO] running `Command { std: "docker" "start" "-a" "71b33bada307fb3c0f10e5a8bcd81c9f84100250636d2214b9e4f334fe6d3ea7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling ez_audio v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: cc/AudioInterface.cc: In function 'void removeSound(size_t, AudioContext*)':
[INFO] [stderr] warning: cc/AudioInterface.cc:99:45: warning: deleting 'void*' is undefined [-Wdelete-incomplete]
[INFO] [stderr] warning:    99 |  delete context->soundClips->at(id)->device.pUserData;
[INFO] [stderr] warning:       |                                             ^~~~~~~~~
[INFO] [stderr] warning: In file included from cc/AudioPlayer.cc:6:
[INFO] [stderr] warning: cc/stb_vorbis.c: In function 'int do_floor(vorb*, Mapping*, int, int, float*, YTYPE*, uint8*)':
[INFO] [stderr] warning: cc/stb_vorbis.c:3055:95: warning: unused parameter 'step2_flag' [-Wunused-parameter]
[INFO] [stderr] warning:  3055 | static int do_floor(vorb *f, Mapping *map, int i, int n, float *target, YTYPE *finalY, uint8 *step2_flag)
[INFO] [stderr] warning:       |                                                                                        ~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: cc/stb_vorbis.c: In function 'int vorbis_decode_packet_rest(vorb*, int*, Mode*, int, int, int, int, int*)':
[INFO] [stderr] warning: cc/stb_vorbis.c:3162:86: warning: unused parameter 'left_end' [-Wunused-parameter]
[INFO] [stderr] warning:  3162 | static int vorbis_decode_packet_rest(vorb *f, int *len, Mode *m, int left_start, int left_end, int right_start, int right_end, int *p_left)
[INFO] [stderr] warning:       |                                                                                  ~~~~^~~~~~~~
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | #![feature(fn_traits)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![feature(unboxed_closures)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | #![feature(get_mut_unchecked)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc/AudioInterface.cc: In function 'void removeSound(size_t, AudioContext*)':
[INFO] [stderr] warning: cc/AudioInterface.cc:99:45: warning: deleting 'void*' is undefined [-Wdelete-incomplete]
[INFO] [stderr] warning:    99 |  delete context->soundClips->at(id)->device.pUserData;
[INFO] [stderr] warning:       |                                             ^~~~~~~~~
[INFO] [stderr] warning: In file included from cc/AudioPlayer.cc:6:
[INFO] [stderr] warning: cc/stb_vorbis.c: In function 'int do_floor(vorb*, Mapping*, int, int, float*, YTYPE*, uint8*)':
[INFO] [stderr] warning: cc/stb_vorbis.c:3055:95: warning: unused parameter 'step2_flag' [-Wunused-parameter]
[INFO] [stderr] warning:  3055 | static int do_floor(vorb *f, Mapping *map, int i, int n, float *target, YTYPE *finalY, uint8 *step2_flag)
[INFO] [stderr] warning:       |                                                                                        ~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: cc/stb_vorbis.c: In function 'int vorbis_decode_packet_rest(vorb*, int*, Mode*, int, int, int, int, int*)':
[INFO] [stderr] warning: cc/stb_vorbis.c:3162:86: warning: unused parameter 'left_end' [-Wunused-parameter]
[INFO] [stderr] warning:  3162 | static int vorbis_decode_packet_rest(vorb *f, int *len, Mode *m, int left_start, int left_end, int right_start, int right_end, int *p_left)
[INFO] [stderr] warning:       |                                                                                  ~~~~^~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ez_audio` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "71b33bada307fb3c0f10e5a8bcd81c9f84100250636d2214b9e4f334fe6d3ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b33bada307fb3c0f10e5a8bcd81c9f84100250636d2214b9e4f334fe6d3ea7", kill_on_drop: false }`
[INFO] [stdout] 71b33bada307fb3c0f10e5a8bcd81c9f84100250636d2214b9e4f334fe6d3ea7