[INFO] cloning repository https://github.com/Lymia/diar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lymia/diar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLymia%2Fdiar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLymia%2Fdiar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6aa2d10dc5b9bb3af320ad3fda8c1729d54dcd86
[INFO] testing Lymia/diar against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLymia%2Fdiar" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lymia/diar on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lymia/diar
[INFO] finished tweaking git repo https://github.com/Lymia/diar
[INFO] tweaked toml for git repo https://github.com/Lymia/diar written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Lymia/diar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 850a38ac66b37284ca7243c8cd9369580d591039bc270e29b6de10842205d966
[INFO] running `Command { std: "docker" "start" "-a" "850a38ac66b37284ca7243c8cd9369580d591039bc270e29b6de10842205d966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "850a38ac66b37284ca7243c8cd9369580d591039bc270e29b6de10842205d966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850a38ac66b37284ca7243c8cd9369580d591039bc270e29b6de10842205d966", kill_on_drop: false }`
[INFO] [stdout] 850a38ac66b37284ca7243c8cd9369580d591039bc270e29b6de10842205d966
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25b972a3264df2ef0405c44caa5f1479a8168841cf4f2b205a3c3122885ef314
[INFO] running `Command { std: "docker" "start" "-a" "25b972a3264df2ef0405c44caa5f1479a8168841cf4f2b205a3c3122885ef314", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling zstd-safe v4.1.1+zstd.1.5.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling tree_magic_db v3.0.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling memmap2 v0.3.0
[INFO] [stderr]    Compiling jobserver v0.1.23
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling zstd-sys v1.6.1+zstd.1.5.0
[INFO] [stderr]    Compiling jwalk v0.6.0
[INFO] [stderr]    Compiling tree_magic_mini v3.0.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_setters v0.1.5
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling zstd v0.9.0+zstd.1.5.0
[INFO] [stderr]    Compiling diar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]  --> src/compress/compressor.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn compress_dir(dir: &Path) -> Result<()> {
[INFO] [stdout]   |                     ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_known`
[INFO] [stdout]   --> src/names.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn is_known(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_low_level`
[INFO] [stdout]   --> src/names.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn is_low_level(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `StaticName`
[INFO] [stdout]    --> src/names.rs:125:1
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub type StaticName = Name<'static>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Data`
[INFO] [stdout]   --> src/compress/data_source.rs:36:2
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Data { path_hint: PathBuf, data: Vec<u8> },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ResolvedDataSource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compress/data_source.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len_hint`
[INFO] [stdout]   --> src/compress/data_source.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn len_hint(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_path`
[INFO] [stdout]   --> src/compress/dictionary_set.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn read_path(path: &Path, target: &mut Vec<u8>) -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CompressWriter`
[INFO] [stdout]  --> src/compress/writer.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct CompressWriter<W: Write> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_varuint`
[INFO] [stdout]   --> src/compress/writer.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn write_varuint(&mut self, data: impl Into<u64>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `intern`
[INFO] [stdout]   --> src/compress/writer.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn intern(&mut self, str: &str) -> u64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_name`
[INFO] [stdout]   --> src/compress/writer.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn write_name(&mut self, name: &Name<'_>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_known_name`
[INFO] [stdout]   --> src/compress/writer.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn write_known_name(&mut self, name: KnownName) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode_string_name`
[INFO] [stdout]   --> src/compress/writer.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn encode_string_name(&mut self, name: &Name<'_>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode_string_full`
[INFO] [stdout]   --> src/compress/writer.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn encode_string_full(&mut self, value: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_arg_string`
[INFO] [stdout]   --> src/compress/writer.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn write_arg_string(&mut self, value: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_arg_string_interned`
[INFO] [stdout]   --> src/compress/writer.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn write_arg_string_interned(&mut self, value: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_arg_varuint`
[INFO] [stdout]   --> src/compress/writer.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn write_arg_varuint(&mut self, value: impl Into<u64>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_arg_bool`
[INFO] [stdout]   --> src/compress/writer.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn write_arg_bool(&mut self, val: bool) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 37.31s
[INFO] running `Command { std: "docker" "inspect" "25b972a3264df2ef0405c44caa5f1479a8168841cf4f2b205a3c3122885ef314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b972a3264df2ef0405c44caa5f1479a8168841cf4f2b205a3c3122885ef314", kill_on_drop: false }`
[INFO] [stdout] 25b972a3264df2ef0405c44caa5f1479a8168841cf4f2b205a3c3122885ef314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf13114e8653ecd13a6ed6497d1d7f82b1b4a98d5ed522d648177591e0d93971
[INFO] running `Command { std: "docker" "start" "-a" "cf13114e8653ecd13a6ed6497d1d7f82b1b4a98d5ed522d648177591e0d93971", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]  --> src/compress/compressor.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn compress_dir(dir: &Path) -> Result<()> {
[INFO] [stdout]   |                     ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_known`
[INFO] [stdout]   --> src/names.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn is_known(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_low_level`
[INFO] [stdout]   --> src/names.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn is_low_level(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `StaticName`
[INFO] [stdout]    --> src/names.rs:125:1
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub type StaticName = Name<'static>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Data`
[INFO] [stdout]   --> src/compress/data_source.rs:36:2
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Data { path_hint: PathBuf, data: Vec<u8> },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ResolvedDataSource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compress/data_source.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len_hint`
[INFO] [stdout]   --> src/compress/data_source.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn len_hint(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_path`
[INFO] [stdout]   --> src/compress/dictionary_set.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn read_path(path: &Path, target: &mut Vec<u8>) -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CompressWriter`
[INFO] [stdout]  --> src/compress/writer.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct CompressWriter<W: Write> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_varuint`
[INFO] [stdout]   --> src/compress/writer.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn write_varuint(&mut self, data: impl Into<u64>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `intern`
[INFO] [stdout]   --> src/compress/writer.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn intern(&mut self, str: &str) -> u64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_name`
[INFO] [stdout]   --> src/compress/writer.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn write_name(&mut self, name: &Name<'_>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_known_name`
[INFO] [stdout]   --> src/compress/writer.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn write_known_name(&mut self, name: KnownName) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode_string_name`
[INFO] [stdout]   --> src/compress/writer.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn encode_string_name(&mut self, name: &Name<'_>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode_string_full`
[INFO] [stdout]   --> src/compress/writer.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn encode_string_full(&mut self, value: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_arg_string`
[INFO] [stdout]   --> src/compress/writer.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn write_arg_string(&mut self, value: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_arg_string_interned`
[INFO] [stdout]   --> src/compress/writer.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn write_arg_string_interned(&mut self, value: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_arg_varuint`
[INFO] [stdout]   --> src/compress/writer.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn write_arg_varuint(&mut self, value: impl Into<u64>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_arg_bool`
[INFO] [stdout]   --> src/compress/writer.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn write_arg_bool(&mut self, val: bool) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling diar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]  --> src/compress/compressor.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn compress_dir(dir: &Path) -> Result<()> {
[INFO] [stdout]   |                     ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_known`
[INFO] [stdout]   --> src/names.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn is_known(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_low_level`
[INFO] [stdout]   --> src/names.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn is_low_level(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `StaticName`
[INFO] [stdout]    --> src/names.rs:125:1
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub type StaticName = Name<'static>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Data`
[INFO] [stdout]   --> src/compress/data_source.rs:36:2
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Data { path_hint: PathBuf, data: Vec<u8> },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ResolvedDataSource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compress/data_source.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len_hint`
[INFO] [stdout]   --> src/compress/data_source.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn len_hint(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_path`
[INFO] [stdout]   --> src/compress/dictionary_set.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn read_path(path: &Path, target: &mut Vec<u8>) -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CompressWriter`
[INFO] [stdout]  --> src/compress/writer.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct CompressWriter<W: Write> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_varuint`
[INFO] [stdout]   --> src/compress/writer.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn write_varuint(&mut self, data: impl Into<u64>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `intern`
[INFO] [stdout]   --> src/compress/writer.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn intern(&mut self, str: &str) -> u64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_name`
[INFO] [stdout]   --> src/compress/writer.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn write_name(&mut self, name: &Name<'_>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_known_name`
[INFO] [stdout]   --> src/compress/writer.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn write_known_name(&mut self, name: KnownName) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode_string_name`
[INFO] [stdout]   --> src/compress/writer.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn encode_string_name(&mut self, name: &Name<'_>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode_string_full`
[INFO] [stdout]   --> src/compress/writer.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn encode_string_full(&mut self, value: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_arg_string`
[INFO] [stdout]   --> src/compress/writer.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn write_arg_string(&mut self, value: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_arg_string_interned`
[INFO] [stdout]   --> src/compress/writer.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn write_arg_string_interned(&mut self, value: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_arg_varuint`
[INFO] [stdout]   --> src/compress/writer.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn write_arg_varuint(&mut self, value: impl Into<u64>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_arg_bool`
[INFO] [stdout]   --> src/compress/writer.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn write_arg_bool(&mut self, val: bool) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 21.31s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/diar-efc475cb1f803b5a)
[INFO] running `Command { std: "docker" "inspect" "cf13114e8653ecd13a6ed6497d1d7f82b1b4a98d5ed522d648177591e0d93971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf13114e8653ecd13a6ed6497d1d7f82b1b4a98d5ed522d648177591e0d93971", kill_on_drop: false }`
[INFO] [stdout] cf13114e8653ecd13a6ed6497d1d7f82b1b4a98d5ed522d648177591e0d93971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8671aaad939f7c20071b1368d18a5306c2185926fd5b784810ddd5057a77d8a
[INFO] running `Command { std: "docker" "start" "-a" "e8671aaad939f7c20071b1368d18a5306c2185926fd5b784810ddd5057a77d8a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `dir`
[INFO] [stderr]  --> src/compress/compressor.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn compress_dir(dir: &Path) -> Result<()> {
[INFO] [stderr]   |                     ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_known`
[INFO] [stderr]   --> src/names.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn is_known(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_low_level`
[INFO] [stderr]   --> src/names.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn is_low_level(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `StaticName`
[INFO] [stderr]    --> src/names.rs:125:1
[INFO] [stderr]     |
[INFO] [stderr] 125 | pub type StaticName = Name<'static>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Data`
[INFO] [stderr]   --> src/compress/data_source.rs:36:2
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Data { path_hint: PathBuf, data: Vec<u8> },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ResolvedDataSource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/compress/data_source.rs:33:10
[INFO] [stderr]    |
[INFO] [stderr] 33 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len_hint`
[INFO] [stderr]   --> src/compress/data_source.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn len_hint(&self) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_path`
[INFO] [stderr]   --> src/compress/dictionary_set.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn read_path(path: &Path, target: &mut Vec<u8>) -> Result<()> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CompressWriter`
[INFO] [stderr]  --> src/compress/writer.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct CompressWriter<W: Write> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_varuint`
[INFO] [stderr]   --> src/compress/writer.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn write_varuint(&mut self, data: impl Into<u64>) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `intern`
[INFO] [stderr]   --> src/compress/writer.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn intern(&mut self, str: &str) -> u64 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_name`
[INFO] [stderr]   --> src/compress/writer.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn write_name(&mut self, name: &Name<'_>) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_known_name`
[INFO] [stderr]   --> src/compress/writer.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn write_known_name(&mut self, name: KnownName) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `encode_string_name`
[INFO] [stderr]   --> src/compress/writer.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn encode_string_name(&mut self, name: &Name<'_>) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `encode_string_full`
[INFO] [stderr]   --> src/compress/writer.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn encode_string_full(&mut self, value: &str) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_arg_string`
[INFO] [stderr]   --> src/compress/writer.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn write_arg_string(&mut self, value: &str) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_arg_string_interned`
[INFO] [stderr]   --> src/compress/writer.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn write_arg_string_interned(&mut self, value: &str) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_arg_varuint`
[INFO] [stderr]   --> src/compress/writer.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn write_arg_varuint(&mut self, value: impl Into<u64>) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_arg_bool`
[INFO] [stderr]   --> src/compress/writer.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn write_arg_bool(&mut self, val: bool) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `diar` (lib) generated 18 warnings
[INFO] [stderr] warning: `diar` (lib test) generated 18 warnings (18 duplicates)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.63s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/diar-efc475cb1f803b5a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests diar
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e8671aaad939f7c20071b1368d18a5306c2185926fd5b784810ddd5057a77d8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8671aaad939f7c20071b1368d18a5306c2185926fd5b784810ddd5057a77d8a", kill_on_drop: false }`
[INFO] [stdout] e8671aaad939f7c20071b1368d18a5306c2185926fd5b784810ddd5057a77d8a