[INFO] fetching crate poppy 0.0.1...
[INFO] documenting poppy-0.0.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate poppy 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate poppy 0.0.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poppy 0.0.1
[INFO] finished tweaking crates.io crate poppy 0.0.1
[INFO] tweaked toml for crates.io crate poppy 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opus-sys v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66516c32ee43bd7c864210d1c4d26818f09ec875b7ca082e58ee09467d535398
[INFO] running `Command { std: "docker" "start" "-a" "66516c32ee43bd7c864210d1c4d26818f09ec875b7ca082e58ee09467d535398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66516c32ee43bd7c864210d1c4d26818f09ec875b7ca082e58ee09467d535398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66516c32ee43bd7c864210d1c4d26818f09ec875b7ca082e58ee09467d535398", kill_on_drop: false }`
[INFO] [stdout] 66516c32ee43bd7c864210d1c4d26818f09ec875b7ca082e58ee09467d535398
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5684b368613de004333b615a386da4b36cd32d16ab02c27404612ca050bb0a3
[INFO] running `Command { std: "docker" "start" "-a" "f5684b368613de004333b615a386da4b36cd32d16ab02c27404612ca050bb0a3", kill_on_drop: false }`
[INFO] [stderr]  Documenting poppy v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking poppy v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/decoder/silk/mod.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |         *val = unimplemented!()
[INFO] [stdout]     |         ^^^^^^^----------------
[INFO] [stdout]     |         |      |
[INFO] [stdout]     |         |      any code following this expression is unreachable
[INFO] [stdout]     |         unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subframe_count`
[INFO] [stdout]   --> src/decoder/silk/mod.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let (silkframe_count, subframe_count) = match frame_size {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subframe_count`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]   --> src/decoder/silk/mod.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 let flags = header_flags_mono(&mut self.rc, silkframe_count);
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]   --> src/decoder/silk/mod.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn decode_silkframe_mono(&mut self, flags: HeaderFlagsMono) {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stereo_weights`
[INFO] [stdout]   --> src/decoder/silk/mod.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let stereo_weights = stereo_prediction_weights(&mut self.rc);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stereo_weights`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mid_only`
[INFO] [stdout]   --> src/decoder/silk/mod.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mid_only = if activity.1 {
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mid_only`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame_type`
[INFO] [stdout]   --> src/decoder/silk/mod.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let frame_type = frame_type(&mut self.rc, activity.0);
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]   --> src/decoder/silk/mod.rs:57:67
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn decode_silkframe_stereo(&mut self, activity: (bool, bool), first: bool) {
[INFO] [stdout]    |                                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/decoder/silk/mod.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     for val in &mut gain[1..subframe_count as usize] {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `log_gain` is never read
[INFO] [stdout]    --> src/decoder/silk/mod.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         log_gain = (2*delta_gain-16).max(log_gain + delta_gain - 4).min(63).max(0);
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stereo` is never read
[INFO] [stdout]   --> src/decoder/silk/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Decoder<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 11 |     rc: range::Decoder<'a>,
[INFO] [stdout] 12 |     stereo: Stereo,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stereo_prediction_weights` is never read
[INFO] [stdout]   --> src/decoder/silk/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Stereo {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 16 |     stereo_prediction_weights: (i32, i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signal` and `quant_offset` are never read
[INFO] [stdout]   --> src/decoder/silk/mod.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct FrameType {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 89 |     signal: SignalType,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 90 |     quant_offset: QuantizationOffset,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `subframe_gain` is never used
[INFO] [stdout]    --> src/decoder/silk/mod.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn subframe_gain(rc: &mut range::Decoder, signal_type: SignalType, subframe_count: u8, prev_log_gain: Option<u8>, independant: bool) -> [...
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decode_silkframe_mono` is never used
[INFO] [stdout]   --> src/decoder/silk/mod.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn decode_silkframe_mono(&mut self, flags: HeaderFlagsMono) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `STEREO_WEIGHT_TABLE` is never used
[INFO] [stdout]   --> src/decoder/silk/tables.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub static STEREO_WEIGHT_TABLE: [i16; 16] = [-13732, -10050, -8266, -7526, -6500, -5000, -2950, -820, 820, 2950, 5000, 6500, 7526, 8266, ...
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SUBFRAME_GAIN` is never used
[INFO] [stdout]   --> src/decoder/silk/tables.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub static SUBFRAME_GAIN: ([u8; 8], [u8; 8], [u8; 8], [u8; 8]) = (
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SUBFRAME_GAIN_DELTA` is never used
[INFO] [stdout]   --> src/decoder/silk/tables.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub static SUBFRAME_GAIN_DELTA: [u8; 41] = [250, 245, 234, 203, 71, 50, 42, 38, 35, 33, 31, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 1...
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal out of range for `i16`
[INFO] [stdout]   --> src/decoder/silk/tables.rs:26:145
[INFO] [stdout]    |
[INFO] [stdout] 26 | ..., -5000, -2950, -820, 820, 2950, 5000, 6500, 7526, 8266, 10050, 137320];
[INFO] [stdout]    |                                                                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the literal `137320` does not fit into the type `i16` whose range is `-32768..=32767`
[INFO] [stdout]    = help: consider using the type `i32` instead
[INFO] [stdout]    = note: `#[warn(overflowing_literals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "f5684b368613de004333b615a386da4b36cd32d16ab02c27404612ca050bb0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5684b368613de004333b615a386da4b36cd32d16ab02c27404612ca050bb0a3", kill_on_drop: false }`
[INFO] [stdout] f5684b368613de004333b615a386da4b36cd32d16ab02c27404612ca050bb0a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f867bd2bfa86c658c8abbaaa5ca718c873427cab143f783e729affe83cc13df1
[INFO] running `Command { std: "docker" "start" "-a" "f867bd2bfa86c658c8abbaaa5ca718c873427cab143f783e729affe83cc13df1", kill_on_drop: false }`
[INFO] [stderr]  Documenting poppy v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "f867bd2bfa86c658c8abbaaa5ca718c873427cab143f783e729affe83cc13df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f867bd2bfa86c658c8abbaaa5ca718c873427cab143f783e729affe83cc13df1", kill_on_drop: false }`
[INFO] [stdout] f867bd2bfa86c658c8abbaaa5ca718c873427cab143f783e729affe83cc13df1
