[INFO] fetching crate VTMK 0.1.0... [INFO] checking VTMK-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate VTMK 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate VTMK 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate VTMK 0.1.0 [INFO] finished tweaking crates.io crate VTMK 0.1.0 [INFO] tweaked toml for crates.io crate VTMK 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate VTMK 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: version requirement `0.9.0+zstd.1.5.0` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion [INFO] [stderr] warning: version requirement `4.1.1+zstd.1.5.0` for dependency `zstd-safe` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded zstd v0.9.0+zstd.1.5.0 [INFO] [stderr] Downloaded zstd-safe v4.1.1+zstd.1.5.0 [INFO] [stderr] Downloaded serde v1.0.130 [INFO] [stderr] Downloaded uuid v0.8.2 [INFO] [stderr] Downloaded jobserver v0.1.24 [INFO] [stderr] Downloaded os_str_bytes v4.2.0 [INFO] [stderr] Downloaded strsim v0.10.0 [INFO] [stderr] Downloaded linked-hash-map v0.5.4 [INFO] [stderr] Downloaded proc-macro2 v1.0.32 [INFO] [stderr] Downloaded unicode-width v0.1.9 [INFO] [stderr] Downloaded syn v1.0.82 [INFO] [stderr] Downloaded hashbrown v0.11.2 [INFO] [stderr] Downloaded libc v0.2.104 [INFO] [stderr] Downloaded zstd-sys v1.6.1+zstd.1.5.0 [INFO] [stderr] Downloaded indexmap v1.7.0 [INFO] [stderr] Downloaded clap v3.0.0-beta.5 [INFO] [stderr] Downloaded textwrap v0.14.2 [INFO] [stderr] Downloaded quote v1.0.10 [INFO] [stderr] Downloaded clap_derive v3.0.0-beta.5 [INFO] [stderr] Downloaded yaml-rust v0.4.5 [INFO] [stderr] Downloaded wasi v0.10.2+wasi-snapshot-preview1 [INFO] [stderr] Downloaded getrandom v0.2.3 [INFO] [stderr] Downloaded cc v1.0.71 [INFO] [stderr] Downloaded termcolor v1.1.2 [INFO] [stderr] Downloaded version_check v0.9.3 [INFO] [stderr] Downloaded unicase v2.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1dd53faceb50d27dcf1e18cc7686003954138c363b1ae871710dc0eb6fdf1422 [INFO] running `Command { std: "docker" "start" "-a" "1dd53faceb50d27dcf1e18cc7686003954138c363b1ae871710dc0eb6fdf1422", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1dd53faceb50d27dcf1e18cc7686003954138c363b1ae871710dc0eb6fdf1422", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dd53faceb50d27dcf1e18cc7686003954138c363b1ae871710dc0eb6fdf1422", kill_on_drop: false }` [INFO] [stdout] 1dd53faceb50d27dcf1e18cc7686003954138c363b1ae871710dc0eb6fdf1422 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86695ba944e37ed0941866a3e69f8ac2c12344c15061b3b964d2b2f7757d3897 [INFO] running `Command { std: "docker" "start" "-a" "86695ba944e37ed0941866a3e69f8ac2c12344c15061b3b964d2b2f7757d3897", kill_on_drop: false }` [INFO] [stderr] warning: version requirement `0.9.0+zstd.1.5.0` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion [INFO] [stderr] warning: version requirement `4.1.1+zstd.1.5.0` for dependency `zstd-safe` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling zstd-safe v4.1.1+zstd.1.5.0 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling jobserver v0.1.24 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking os_str_bytes v4.2.0 [INFO] [stderr] Compiling cc v1.0.71 [INFO] [stderr] Compiling zstd-sys v1.6.1+zstd.1.5.0 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.5 [INFO] [stderr] Checking clap v3.0.0-beta.5 [INFO] [stderr] Checking zstd v0.9.0+zstd.1.5.0 [INFO] [stderr] Checking VTMK v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `compress` [INFO] [stdout] --> src/zipping.rs:2:21 [INFO] [stdout] | [INFO] [stdout] 2 | use zstd_safe::{compress, max_c_level, CompressionLevel, SafeResult}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `zipping::*` [INFO] [stdout] --> src/main.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub use zipping::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `compress` [INFO] [stdout] --> src/zipping.rs:2:21 [INFO] [stdout] | [INFO] [stdout] 2 | use zstd_safe::{compress, max_c_level, CompressionLevel, SafeResult}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `zipping::*` [INFO] [stdout] --> src/main.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub use zipping::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/zipping.rs:34:28 [INFO] [stdout] | [INFO] [stdout] 34 | fn compress(&self, config: ZstdConfig) -> SafeResult { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/zipping.rs:34:28 [INFO] [stdout] | [INFO] [stdout] 34 | fn compress(&self, config: ZstdConfig) -> SafeResult { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `EXTENSION` is never used [INFO] [stdout] --> src/zipping.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | pub const EXTENSION: &'static str = ".vlog"; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ZstdConfig` is never constructed [INFO] [stdout] --> src/zipping.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct ZstdConfig { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_comperssionlevel` is never used [INFO] [stdout] --> src/zipping.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 16 | impl ZstdConfig { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 17 | /// Function to determine if the compression is less than or equal to the maximum level [INFO] [stdout] 18 | pub fn as_comperssionlevel(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Compress` is never used [INFO] [stdout] --> src/zipping.rs:27:15 [INFO] [stdout] | [INFO] [stdout] 27 | pub trait Compress { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `new` and `compress` are never used [INFO] [stdout] --> src/zipping.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 32 | impl dyn Compress { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] 33 | fn new(&self) {} [INFO] [stdout] | ^^^ [INFO] [stdout] 34 | fn compress(&self, config: ZstdConfig) -> SafeResult { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileInfo` is never constructed [INFO] [stdout] --> src/reading.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct FileInfo { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `EXTENSION` is never used [INFO] [stdout] --> src/zipping.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | pub const EXTENSION: &'static str = ".vlog"; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ZstdConfig` is never constructed [INFO] [stdout] --> src/zipping.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct ZstdConfig { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `find_file_dir` and `take_file_from_vec` are never used [INFO] [stdout] --> src/reading.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl FileInfo { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] 10 | ///Returns the files in the specified directory [INFO] [stdout] 11 | pub fn find_file_dir(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn take_file_from_vec(&self) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `uuid_generator` is never used [INFO] [stdout] --> src/uuid.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | pub(crate) fn uuid_generator() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_comperssionlevel` is never used [INFO] [stdout] --> src/zipping.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 16 | impl ZstdConfig { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 17 | /// Function to determine if the compression is less than or equal to the maximum level [INFO] [stdout] 18 | pub fn as_comperssionlevel(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Compress` is never used [INFO] [stdout] --> src/zipping.rs:27:15 [INFO] [stdout] | [INFO] [stdout] 27 | pub trait Compress { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `new` and `compress` are never used [INFO] [stdout] --> src/zipping.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 32 | impl dyn Compress { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] 33 | fn new(&self) {} [INFO] [stdout] | ^^^ [INFO] [stdout] 34 | fn compress(&self, config: ZstdConfig) -> SafeResult { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileInfo` is never constructed [INFO] [stdout] --> src/reading.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct FileInfo { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `find_file_dir` and `take_file_from_vec` are never used [INFO] [stdout] --> src/reading.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl FileInfo { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] 10 | ///Returns the files in the specified directory [INFO] [stdout] 11 | pub fn find_file_dir(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn take_file_from_vec(&self) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `uuid_generator` is never used [INFO] [stdout] --> src/uuid.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | pub(crate) fn uuid_generator() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `DirEntry::path` that must be used [INFO] [stdout] --> src/reading.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | dir_file.path(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = dir_file.path(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `DirEntry::path` that must be used [INFO] [stdout] --> src/reading.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | dir_file.path(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = dir_file.path(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.63s [INFO] running `Command { std: "docker" "inspect" "86695ba944e37ed0941866a3e69f8ac2c12344c15061b3b964d2b2f7757d3897", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86695ba944e37ed0941866a3e69f8ac2c12344c15061b3b964d2b2f7757d3897", kill_on_drop: false }` [INFO] [stdout] 86695ba944e37ed0941866a3e69f8ac2c12344c15061b3b964d2b2f7757d3897