[INFO] cloning repository https://github.com/jcdyer/flac-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcdyer/flac-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fflac-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fflac-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 581730814ee777b2c9baddefa3150fc0e639e41e
[INFO] checking jcdyer/flac-rs against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fflac-rs" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jcdyer/flac-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jcdyer/flac-rs
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/jcdyer/flac-rs
[INFO] tweaked toml for git repo https://github.com/jcdyer/flac-rs written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/jcdyer/flac-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.crc.commit
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.101
[INFO] [stderr]   Downloaded riff v1.0.1
[INFO] [stderr]   Downloaded wav v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4c30d1b7ff449bfcfc2817f68a02eb2649ee2dacec12080b71c56fba5618168
[INFO] running `Command { std: "docker" "start" "-a" "f4c30d1b7ff449bfcfc2817f68a02eb2649ee2dacec12080b71c56fba5618168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4c30d1b7ff449bfcfc2817f68a02eb2649ee2dacec12080b71c56fba5618168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c30d1b7ff449bfcfc2817f68a02eb2649ee2dacec12080b71c56fba5618168", kill_on_drop: false }`
[INFO] [stdout] f4c30d1b7ff449bfcfc2817f68a02eb2649ee2dacec12080b71c56fba5618168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70076f92c7a034e4347487294e0162e2d4adf275fd389bf6ee589449ba2097cd
[INFO] running `Command { std: "docker" "start" "-a" "70076f92c7a034e4347487294e0162e2d4adf275fd389bf6ee589449ba2097cd", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.crc.commit
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking riff v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking crc v2.0.1-alpha.0 (https://github.com/mrhooray/crc-rs#747901f8)
[INFO] [stderr]     Checking wav v1.0.0
[INFO] [stderr]     Checking bitwriter v0.1.0 (/opt/rustwide/workdir/bitwriter)
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking flac-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `seek_table`
[INFO] [stdout]    --> src/headers.rs:227:38
[INFO] [stdout]     |
[INFO] [stdout] 227 |             MetadataBlock::SeekTable(seek_table) => todo!(),
[INFO] [stdout]     |                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_seek_table`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `padding`
[INFO] [stdout]    --> src/headers.rs:228:36
[INFO] [stdout]     |
[INFO] [stdout] 228 |             MetadataBlock::Padding(padding) => todo!(),
[INFO] [stdout]     |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_padding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_mid`
[INFO] [stdout]    --> src/encoder.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn calculate_mid<S: Sample>(left: S, right: S) -> S {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_side`
[INFO] [stdout]    --> src/encoder.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn calculate_side<S: Sample>(left: S, right: S) -> S::Widened {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sample_number`
[INFO] [stdout]    --> src/headers.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     sample_number: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `byte_offset`
[INFO] [stdout]    --> src/headers.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |     byte_offset: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sample_count`
[INFO] [stdout]    --> src/headers.rs:179:5
[INFO] [stdout]     |
[INFO] [stdout] 179 |     sample_count: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLOCKTYPE_APPLICATION`
[INFO] [stdout]    --> src/headers.rs:235:1
[INFO] [stdout]     |
[INFO] [stdout] 235 | const BLOCKTYPE_APPLICATION: u8 = 2;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLOCKTYPE_SEEKTABLE`
[INFO] [stdout]    --> src/headers.rs:236:1
[INFO] [stdout]     |
[INFO] [stdout] 236 | const BLOCKTYPE_SEEKTABLE: u8 = 3;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLOCKTYPE_VORBIS_COMMENT`
[INFO] [stdout]    --> src/headers.rs:237:1
[INFO] [stdout]     |
[INFO] [stdout] 237 | const BLOCKTYPE_VORBIS_COMMENT: u8 = 4;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLOCKTYPE_CUESHEET`
[INFO] [stdout]    --> src/headers.rs:238:1
[INFO] [stdout]     |
[INFO] [stdout] 238 | const BLOCKTYPE_CUESHEET: u8 = 5;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLOCKTYPE_PICTURE`
[INFO] [stdout]    --> src/headers.rs:239:1
[INFO] [stdout]     |
[INFO] [stdout] 239 | const BLOCKTYPE_PICTURE: u8 = 6;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `md5`
[INFO] [stdout]   --> src/writer.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     md5: md5::Md5,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read tests/../data/block-855.raw: No such file or directory (os error 2)
[INFO] [stdout]   --> tests/encoding.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | static BLOCK855: &[u8] = &*include_bytes!("../data/block-855.raw");
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read tests/../data/frame-855.flacframe: No such file or directory (os error 2)
[INFO] [stdout]   --> tests/encoding.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 | static FRAME855: &[u8] = &*include_bytes!("../data/frame-855.flacframe");
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::NonZeroU64`
[INFO] [stdout]  --> tests/encoding.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::TryInto, num::NonZeroU64};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockId`, `FixedResidual`, `FrameHeader`
[INFO] [stdout]  --> tests/encoding.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 |     encoder::{Block, FixedResidual},
[INFO] [stdout]   |                      ^^^^^^^^^^^^^
[INFO] [stdout] 6 |     frame::{BlockId, ChannelLayout, Frame, FrameHeader, Subblock, Subframe},
[INFO] [stdout]   |             ^^^^^^^                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `quickcheck_macros`
[INFO] [stdout]    --> src/encoder.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use quickcheck_macros::quickcheck;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `quickcheck_macros`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]    --> src/encoder.rs:301:7
[INFO] [stdout]     |
[INFO] [stdout] 301 |     #[quickcheck]
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]    --> src/encoder.rs:311:7
[INFO] [stdout]     |
[INFO] [stdout] 311 |     #[quickcheck]
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]    --> src/encoder.rs:364:7
[INFO] [stdout]     |
[INFO] [stdout] 364 |     #[quickcheck]
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flac-rs` due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "70076f92c7a034e4347487294e0162e2d4adf275fd389bf6ee589449ba2097cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70076f92c7a034e4347487294e0162e2d4adf275fd389bf6ee589449ba2097cd", kill_on_drop: false }`
[INFO] [stdout] 70076f92c7a034e4347487294e0162e2d4adf275fd389bf6ee589449ba2097cd
