[INFO] fetching crate crfs 0.2.0... [INFO] testing crfs-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate crfs 0.2.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate crfs 0.2.0 [INFO] finished tweaking crates.io crate crfs 0.2.0 [INFO] tweaked toml for crates.io crate crfs 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate crfs 0.2.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 85 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.9.3) [INFO] [stderr] Adding bstr v0.2.17 (available: v1.12.0) [INFO] [stderr] Adding criterion v0.3.6 (available: v0.7.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crfsuite v0.3.1 [INFO] [stderr] Downloaded cqdb v0.5.8 [INFO] [stderr] Downloaded jhash v0.1.1 [INFO] [stderr] Downloaded cqdb-sys v0.1.1 [INFO] [stderr] Downloaded liblbfgs-sys v0.1.2 [INFO] [stderr] Downloaded crfsuite-sys v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e94dab89d25f6fdb0df993eca260265cdbc9ebb5cc1472316455d1e9184de550 [INFO] running `Command { std: "docker" "start" "-a" "e94dab89d25f6fdb0df993eca260265cdbc9ebb5cc1472316455d1e9184de550", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e94dab89d25f6fdb0df993eca260265cdbc9ebb5cc1472316455d1e9184de550", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e94dab89d25f6fdb0df993eca260265cdbc9ebb5cc1472316455d1e9184de550", kill_on_drop: false }` [INFO] [stdout] e94dab89d25f6fdb0df993eca260265cdbc9ebb5cc1472316455d1e9184de550 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9de23032806b5caade8d85b8343c7ffc2406620838c20250e78213f305547dbc [INFO] running `Command { std: "docker" "start" "-a" "9de23032806b5caade8d85b8343c7ffc2406620838c20250e78213f305547dbc", kill_on_drop: false }` [INFO] [stderr] Compiling bstr v1.12.0 [INFO] [stderr] Compiling array-init v2.1.0 [INFO] [stderr] Compiling jhash v0.1.1 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling cqdb v0.5.8 [INFO] [stderr] Compiling crfs v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `weight` and `group` are never read [INFO] [stdout] --> src/dataset.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Instance { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | pub weight: f64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 24 | /// Group ID of the instance [INFO] [stdout] 25 | pub group: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instance` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FeatureRefHeader` is never constructed [INFO] [stdout] --> src/model.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 60 | struct FeatureRefHeader { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FeatureHeader` is never constructed [INFO] [stdout] --> src/model.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | struct FeatureHeader { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `num_attrs` is never read [INFO] [stdout] --> src/tagger.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Tagger<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 34 | num_attrs: u32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tagger` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/model.rs:189:29 [INFO] [stdout] | [INFO] [stdout] 189 | pub(crate) fn label_ref(&self, lid: u32) -> io::Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 189 | pub(crate) fn label_ref(&self, lid: u32) -> io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/model.rs:201:28 [INFO] [stdout] | [INFO] [stdout] 201 | pub(crate) fn attr_ref(&self, lid: u32) -> io::Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 201 | pub(crate) fn attr_ref(&self, lid: u32) -> io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.82s [INFO] running `Command { std: "docker" "inspect" "9de23032806b5caade8d85b8343c7ffc2406620838c20250e78213f305547dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9de23032806b5caade8d85b8343c7ffc2406620838c20250e78213f305547dbc", kill_on_drop: false }` [INFO] [stdout] 9de23032806b5caade8d85b8343c7ffc2406620838c20250e78213f305547dbc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 173eee24f60a538f8117c17275f8848984f6d9bcb16a9489769f9d18ab6bcaad [INFO] running `Command { std: "docker" "start" "-a" "173eee24f60a538f8117c17275f8848984f6d9bcb16a9489769f9d18ab6bcaad", kill_on_drop: false }` [INFO] [stderr] Compiling cmake v0.1.54 [INFO] [stdout] warning: fields `weight` and `group` are never read [INFO] [stdout] --> src/dataset.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Instance { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | pub weight: f64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 24 | /// Group ID of the instance [INFO] [stdout] 25 | pub group: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instance` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FeatureRefHeader` is never constructed [INFO] [stdout] --> src/model.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 60 | struct FeatureRefHeader { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FeatureHeader` is never constructed [INFO] [stdout] --> src/model.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | struct FeatureHeader { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling criterion v0.3.6 [INFO] [stdout] warning: field `num_attrs` is never read [INFO] [stdout] --> src/tagger.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Tagger<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 34 | num_attrs: u32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tagger` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/model.rs:189:29 [INFO] [stdout] | [INFO] [stdout] 189 | pub(crate) fn label_ref(&self, lid: u32) -> io::Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 189 | pub(crate) fn label_ref(&self, lid: u32) -> io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/model.rs:201:28 [INFO] [stdout] | [INFO] [stdout] 201 | pub(crate) fn attr_ref(&self, lid: u32) -> io::Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 201 | pub(crate) fn attr_ref(&self, lid: u32) -> io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling cqdb-sys v0.1.1 [INFO] [stderr] Compiling liblbfgs-sys v0.1.2 [INFO] [stderr] Compiling crfsuite-sys v0.3.1 [INFO] [stderr] Compiling crfsuite v0.3.1 [INFO] [stderr] Compiling crfs v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `weight` and `group` are never read [INFO] [stdout] --> src/dataset.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Instance { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | pub weight: f64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 24 | /// Group ID of the instance [INFO] [stdout] 25 | pub group: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instance` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FeatureRefHeader` is never constructed [INFO] [stdout] --> src/model.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 60 | struct FeatureRefHeader { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FeatureHeader` is never constructed [INFO] [stdout] --> src/model.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | struct FeatureHeader { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `num_attrs` is never read [INFO] [stdout] --> src/tagger.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Tagger<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 34 | num_attrs: u32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tagger` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/model.rs:189:29 [INFO] [stdout] | [INFO] [stdout] 189 | pub(crate) fn label_ref(&self, lid: u32) -> io::Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 189 | pub(crate) fn label_ref(&self, lid: u32) -> io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/model.rs:201:28 [INFO] [stdout] | [INFO] [stdout] 201 | pub(crate) fn attr_ref(&self, lid: u32) -> io::Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 201 | pub(crate) fn attr_ref(&self, lid: u32) -> io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 9.38s [INFO] running `Command { std: "docker" "inspect" "173eee24f60a538f8117c17275f8848984f6d9bcb16a9489769f9d18ab6bcaad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "173eee24f60a538f8117c17275f8848984f6d9bcb16a9489769f9d18ab6bcaad", kill_on_drop: false }` [INFO] [stdout] 173eee24f60a538f8117c17275f8848984f6d9bcb16a9489769f9d18ab6bcaad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4e2ead4860090f2d1b4f3561fc5c9e074939554c05d6ad3098af49b202e28807 [INFO] running `Command { std: "docker" "start" "-a" "4e2ead4860090f2d1b4f3561fc5c9e074939554c05d6ad3098af49b202e28807", kill_on_drop: false }` [INFO] [stderr] warning: fields `weight` and `group` are never read [INFO] [stderr] --> src/dataset.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 15 | pub struct Instance { [INFO] [stderr] | -------- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 23 | pub weight: f64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 24 | /// Group ID of the instance [INFO] [stderr] 25 | pub group: u32, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Instance` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `FeatureRefHeader` is never constructed [INFO] [stderr] --> src/model.rs:60:8 [INFO] [stderr] | [INFO] [stderr] 60 | struct FeatureRefHeader { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `FeatureHeader` is never constructed [INFO] [stderr] --> src/model.rs:69:8 [INFO] [stderr] | [INFO] [stderr] 69 | struct FeatureHeader { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `num_attrs` is never read [INFO] [stderr] --> src/tagger.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 26 | pub struct Tagger<'a> { [INFO] [stderr] | ------ field in this struct [INFO] [stderr] ... [INFO] [stderr] 34 | num_attrs: u32, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Tagger` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/model.rs:189:29 [INFO] [stderr] | [INFO] [stderr] 189 | pub(crate) fn label_ref(&self, lid: u32) -> io::Result { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 189 | pub(crate) fn label_ref(&self, lid: u32) -> io::Result> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/model.rs:201:28 [INFO] [stderr] | [INFO] [stderr] 201 | pub(crate) fn attr_ref(&self, lid: u32) -> io::Result { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 201 | pub(crate) fn attr_ref(&self, lid: u32) -> io::Result> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `crfs` (lib) generated 6 warnings (run `cargo fix --lib -p crfs` to apply 2 suggestions) [INFO] [stderr] warning: `crfs` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crfs-63ca6e5d130fe676) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test context::tests::test_context_reset ... ok [INFO] [stdout] test model::tests::test_invalid_model ... ok [INFO] [stdout] test model::tests::test_model_tag ... ok [INFO] [stdout] test model::tests::test_model_dump ... ok [INFO] [stdout] test context::tests::test_context_new ... ok [INFO] [stdout] test model::tests::test_model_new ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s [INFO] [stdout] [INFO] [stderr] Doc-tests crfs [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" "4e2ead4860090f2d1b4f3561fc5c9e074939554c05d6ad3098af49b202e28807", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e2ead4860090f2d1b4f3561fc5c9e074939554c05d6ad3098af49b202e28807", kill_on_drop: false }` [INFO] [stdout] 4e2ead4860090f2d1b4f3561fc5c9e074939554c05d6ad3098af49b202e28807