[INFO] fetching crate crfs 0.2.0... [INFO] checking crfs-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate crfs 0.2.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate crfs 0.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 84 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.9.1) [INFO] [stderr] Adding bstr v0.2.17 (available: v1.12.0) [INFO] [stderr] Adding criterion v0.3.6 (available: v0.6.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cqdb v0.5.8 [INFO] [stderr] Downloaded array-init v2.1.0 [INFO] [stderr] Downloaded cqdb-sys v0.1.1 [INFO] [stderr] Downloaded jhash v0.1.1 [INFO] [stderr] Downloaded crfsuite v0.3.1 [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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 732f6cb3ad4033e6d1fcb0cf9f8f2a6a13ad4481e0e50400b278615a247b51be [INFO] running `Command { std: "docker" "start" "-a" "732f6cb3ad4033e6d1fcb0cf9f8f2a6a13ad4481e0e50400b278615a247b51be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "732f6cb3ad4033e6d1fcb0cf9f8f2a6a13ad4481e0e50400b278615a247b51be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "732f6cb3ad4033e6d1fcb0cf9f8f2a6a13ad4481e0e50400b278615a247b51be", kill_on_drop: false }` [INFO] [stdout] 732f6cb3ad4033e6d1fcb0cf9f8f2a6a13ad4481e0e50400b278615a247b51be [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e44355212bad119c8bb3d99c7835fe5f9564615355632a46be6fca8ecbebe90d [INFO] running `Command { std: "docker" "start" "-a" "e44355212bad119c8bb3d99c7835fe5f9564615355632a46be6fca8ecbebe90d", kill_on_drop: false }` [INFO] [stderr] Compiling cmake v0.1.54 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking array-init v2.1.0 [INFO] [stderr] Checking jhash v0.1.1 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling liblbfgs-sys v0.1.2 [INFO] [stderr] Compiling cqdb-sys v0.1.1 [INFO] [stderr] Compiling crfsuite-sys v0.3.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking csv-core v0.1.12 [INFO] [stderr] Checking bstr v1.12.0 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking cqdb v0.5.8 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking 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)]` 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: lifetime flowing from input to output with different syntax can be 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 lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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: lifetime flowing from input to output with different syntax can be 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 lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 201 | pub(crate) fn attr_ref(&self, lid: u32) -> io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde_json v1.0.140 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking crfsuite v0.3.1 [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)]` 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: lifetime flowing from input to output with different syntax can be 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 lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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: lifetime flowing from input to output with different syntax can be 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 lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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 8.87s [INFO] running `Command { std: "docker" "inspect" "e44355212bad119c8bb3d99c7835fe5f9564615355632a46be6fca8ecbebe90d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e44355212bad119c8bb3d99c7835fe5f9564615355632a46be6fca8ecbebe90d", kill_on_drop: false }` [INFO] [stdout] e44355212bad119c8bb3d99c7835fe5f9564615355632a46be6fca8ecbebe90d