[INFO] fetching crate klepto 0.1.3...
[INFO] testing klepto-0.1.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate klepto 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate klepto 0.1.3
[INFO] finished tweaking crates.io crate klepto 0.1.3
[INFO] tweaked toml for crates.io crate klepto 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate klepto 0.1.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate klepto 0.1.3 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5af199637f973f53b9718015c6f55565e860f7952737c4291bf7618a4c7b704
[INFO] running `Command { std: "docker" "start" "-a" "a5af199637f973f53b9718015c6f55565e860f7952737c4291bf7618a4c7b704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5af199637f973f53b9718015c6f55565e860f7952737c4291bf7618a4c7b704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5af199637f973f53b9718015c6f55565e860f7952737c4291bf7618a4c7b704", kill_on_drop: false }`
[INFO] [stdout] a5af199637f973f53b9718015c6f55565e860f7952737c4291bf7618a4c7b704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f27a7a70a5b162f061047d11a3872e1bd0a23c18d0518fe80b070654af05f9fe
[INFO] running `Command { std: "docker" "start" "-a" "f27a7a70a5b162f061047d11a3872e1bd0a23c18d0518fe80b070654af05f9fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]    Compiling blake3 v1.8.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling globset v0.4.18
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling cargo_metadata v0.18.1
[INFO] [stderr]    Compiling klepto v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/extract.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/extract.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             syn::UseTree::Path(p) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 113 |             syn::UseTree::Group(g) => {
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 118 |             syn::UseTree::Name(n) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 130 |             syn::UseTree::Rename(r) => {
[INFO] [stdout]     |             ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 152 |             _ => {}
[INFO] [stdout]     |             ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/extract.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/extract.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |             syn::UseTree::Path(p) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 232 |             syn::UseTree::Group(g) => {
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 237 |             syn::UseTree::Name(n) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 241 |             syn::UseTree::Glob(g) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 265 |             _ => {}
[INFO] [stdout]     |             ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/extract.rs:450:13
[INFO] [stdout]     |
[INFO] [stdout] 450 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/extract.rs:450:13
[INFO] [stdout]     |
[INFO] [stdout] 359 |             syn::UseTree::Path(p) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 374 |             syn::UseTree::Group(g) => {
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 389 |             syn::UseTree::Name(n) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 418 |             syn::UseTree::Glob(g) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 450 |             _ => {}
[INFO] [stdout]     |             ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/klepto.rs:313:17
[INFO] [stdout]     |
[INFO] [stdout] 313 |             Err(e) if self.ignore_parse_errors => { /* keep empty */ }
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pub_mods`
[INFO] [stdout]   --> src/rules/builtin.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let pub_mods: std::collections::BTreeSet<Vec<String>> =
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pub_mods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pub_mods`
[INFO] [stdout]   --> src/rules/builtin.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let pub_mods: std::collections::BTreeSet<Vec<String>> =
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pub_mods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.39s
[INFO] running `Command { std: "docker" "inspect" "f27a7a70a5b162f061047d11a3872e1bd0a23c18d0518fe80b070654af05f9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27a7a70a5b162f061047d11a3872e1bd0a23c18d0518fe80b070654af05f9fe", kill_on_drop: false }`
[INFO] [stdout] f27a7a70a5b162f061047d11a3872e1bd0a23c18d0518fe80b070654af05f9fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2edc78a52ec06eb288ee4c31a6e8da673fe2b487cee6f2745882a07147e7fa1b
[INFO] running `Command { std: "docker" "start" "-a" "2edc78a52ec06eb288ee4c31a6e8da673fe2b487cee6f2745882a07147e7fa1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling klepto v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/extract.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/extract.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             syn::UseTree::Path(p) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 113 |             syn::UseTree::Group(g) => {
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 118 |             syn::UseTree::Name(n) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 130 |             syn::UseTree::Rename(r) => {
[INFO] [stdout]     |             ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 152 |             _ => {}
[INFO] [stdout]     |             ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/extract.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/extract.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |             syn::UseTree::Path(p) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 232 |             syn::UseTree::Group(g) => {
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 237 |             syn::UseTree::Name(n) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 241 |             syn::UseTree::Glob(g) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 265 |             _ => {}
[INFO] [stdout]     |             ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/extract.rs:450:13
[INFO] [stdout]     |
[INFO] [stdout] 450 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/extract.rs:450:13
[INFO] [stdout]     |
[INFO] [stdout] 359 |             syn::UseTree::Path(p) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 374 |             syn::UseTree::Group(g) => {
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 389 |             syn::UseTree::Name(n) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 418 |             syn::UseTree::Glob(g) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 450 |             _ => {}
[INFO] [stdout]     |             ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/klepto.rs:313:17
[INFO] [stdout]     |
[INFO] [stdout] 313 |             Err(e) if self.ignore_parse_errors => { /* keep empty */ }
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pub_mods`
[INFO] [stdout]   --> src/rules/builtin.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let pub_mods: std::collections::BTreeSet<Vec<String>> =
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pub_mods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pub_mods`
[INFO] [stdout]   --> src/rules/builtin.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let pub_mods: std::collections::BTreeSet<Vec<String>> =
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pub_mods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/extract.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/extract.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             syn::UseTree::Path(p) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 113 |             syn::UseTree::Group(g) => {
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 118 |             syn::UseTree::Name(n) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 130 |             syn::UseTree::Rename(r) => {
[INFO] [stdout]     |             ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 152 |             _ => {}
[INFO] [stdout]     |             ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/extract.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/extract.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |             syn::UseTree::Path(p) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 232 |             syn::UseTree::Group(g) => {
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 237 |             syn::UseTree::Name(n) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 241 |             syn::UseTree::Glob(g) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 265 |             _ => {}
[INFO] [stdout]     |             ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/extract.rs:450:13
[INFO] [stdout]     |
[INFO] [stdout] 450 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/extract.rs:450:13
[INFO] [stdout]     |
[INFO] [stdout] 359 |             syn::UseTree::Path(p) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 374 |             syn::UseTree::Group(g) => {
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 389 |             syn::UseTree::Name(n) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 418 |             syn::UseTree::Glob(g) => {
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 450 |             _ => {}
[INFO] [stdout]     |             ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/klepto.rs:313:17
[INFO] [stdout]     |
[INFO] [stdout] 313 |             Err(e) if self.ignore_parse_errors => { /* keep empty */ }
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pub_mods`
[INFO] [stdout]   --> src/rules/builtin.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let pub_mods: std::collections::BTreeSet<Vec<String>> =
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pub_mods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pub_mods`
[INFO] [stdout]   --> src/rules/builtin.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let pub_mods: std::collections::BTreeSet<Vec<String>> =
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pub_mods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "2edc78a52ec06eb288ee4c31a6e8da673fe2b487cee6f2745882a07147e7fa1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2edc78a52ec06eb288ee4c31a6e8da673fe2b487cee6f2745882a07147e7fa1b", kill_on_drop: false }`
[INFO] [stdout] 2edc78a52ec06eb288ee4c31a6e8da673fe2b487cee6f2745882a07147e7fa1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8596149a81ec4aa774c58cc32e14904c0a5b408300d90010aee8e028da5be366
[INFO] running `Command { std: "docker" "start" "-a" "8596149a81ec4aa774c58cc32e14904c0a5b408300d90010aee8e028da5be366", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/extract.rs:152:13
[INFO] [stderr]     |
[INFO] [stderr] 152 |             _ => {}
[INFO] [stderr]     |             ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/extract.rs:152:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |             syn::UseTree::Path(p) => {
[INFO] [stderr]     |             --------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 113 |             syn::UseTree::Group(g) => {
[INFO] [stderr]     |             ---------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 118 |             syn::UseTree::Name(n) => {
[INFO] [stderr]     |             --------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 130 |             syn::UseTree::Rename(r) => {
[INFO] [stderr]     |             ----------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 152 |             _ => {}
[INFO] [stderr]     |             ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/extract.rs:265:13
[INFO] [stderr]     |
[INFO] [stderr] 265 |             _ => {}
[INFO] [stderr]     |             ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/extract.rs:265:13
[INFO] [stderr]     |
[INFO] [stderr] 228 |             syn::UseTree::Path(p) => {
[INFO] [stderr]     |             --------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 232 |             syn::UseTree::Group(g) => {
[INFO] [stderr]     |             ---------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 237 |             syn::UseTree::Name(n) => {
[INFO] [stderr]     |             --------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 241 |             syn::UseTree::Glob(g) => {
[INFO] [stderr]     |             --------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 265 |             _ => {}
[INFO] [stderr]     |             ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/extract.rs:450:13
[INFO] [stderr]     |
[INFO] [stderr] 450 |             _ => {}
[INFO] [stderr]     |             ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/extract.rs:450:13
[INFO] [stderr]     |
[INFO] [stderr] 359 |             syn::UseTree::Path(p) => {
[INFO] [stderr]     |             --------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 374 |             syn::UseTree::Group(g) => {
[INFO] [stderr]     |             ---------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 389 |             syn::UseTree::Name(n) => {
[INFO] [stderr]     |             --------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 418 |             syn::UseTree::Glob(g) => {
[INFO] [stderr]     |             --------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 450 |             _ => {}
[INFO] [stderr]     |             ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/klepto.rs:313:17
[INFO] [stderr]     |
[INFO] [stderr] 313 |             Err(e) if self.ignore_parse_errors => { /* keep empty */ }
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pub_mods`
[INFO] [stderr]   --> src/rules/builtin.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let pub_mods: std::collections::BTreeSet<Vec<String>> =
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pub_mods`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pub_mods`
[INFO] [stderr]   --> src/rules/builtin.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let pub_mods: std::collections::BTreeSet<Vec<String>> =
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pub_mods`
[INFO] [stderr] 
[INFO] [stderr] warning: `klepto` (lib) generated 6 warnings (run `cargo fix --lib -p klepto` to apply 3 suggestions)
[INFO] [stderr] warning: `klepto` (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/klepto-f5a8be8d64c35e25)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/klepto-5a58b112a98380ff)
[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 klepto
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/imports_ext.rs - imports_ext::ImportVecExt (line 7) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/imports_ext.rs - imports_ext::ImportVecExt (line 7) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `k` in this scope
[INFO] [stdout]   --> src/imports_ext.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | let imports = k.imports().collect().unique_prefer_pub_use();
[INFO] [stdout]    |               ^
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/result.rs:561:4
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named tuple variant `Ok` defined here
[INFO] [stdout] help: a tuple variant with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 10 | let imports = Ok.imports().collect().unique_prefer_pub_use();
[INFO] [stdout]    |               +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/imports_ext.rs - imports_ext::ImportVecExt (line 7)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.41s; merged doctests compilation took 0.19s
[INFO] running `Command { std: "docker" "inspect" "8596149a81ec4aa774c58cc32e14904c0a5b408300d90010aee8e028da5be366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8596149a81ec4aa774c58cc32e14904c0a5b408300d90010aee8e028da5be366", kill_on_drop: false }`
[INFO] [stdout] 8596149a81ec4aa774c58cc32e14904c0a5b408300d90010aee8e028da5be366