[INFO] fetching crate xml_dom 0.2.6... [INFO] checking xml_dom-0.2.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate xml_dom 0.2.6 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate xml_dom 0.2.6 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate xml_dom 0.2.6 [INFO] finished tweaking crates.io crate xml_dom 0.2.6 [INFO] tweaked toml for crates.io crate xml_dom 0.2.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate xml_dom 0.2.6 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quick-xml v0.23.0 [INFO] [stderr] Downloaded regex v1.3.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 056abfe8a9a91a3605bc0bf261acbf76fc96f147f01d9aff6217b98e6ff1e66d [INFO] running `Command { std: "docker" "start" "-a" "056abfe8a9a91a3605bc0bf261acbf76fc96f147f01d9aff6217b98e6ff1e66d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "056abfe8a9a91a3605bc0bf261acbf76fc96f147f01d9aff6217b98e6ff1e66d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "056abfe8a9a91a3605bc0bf261acbf76fc96f147f01d9aff6217b98e6ff1e66d", kill_on_drop: false }` [INFO] [stdout] 056abfe8a9a91a3605bc0bf261acbf76fc96f147f01d9aff6217b98e6ff1e66d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4970b3757fc9d767700e13e019304e65116b93b5396e562cd079185f4177a858 [INFO] running `Command { std: "docker" "start" "-a" "4970b3757fc9d767700e13e019304e65116b93b5396e562cd079185f4177a858", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking quick-xml v0.23.0 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking xml_dom v0.2.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `trait_impls::*` [INFO] [stdout] --> src/level2/ext/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub use trait_impls::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `trait_impls::*` [INFO] [stdout] --> src/level2/ext/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub use trait_impls::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `remove_mapping` and `normalize_mappings` are never used [INFO] [stdout] --> src/level2/ext/namespaced.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 31 | pub(crate) trait MutNamespaced: Namespaced { [INFO] [stdout] | ------------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 37 | fn remove_mapping(&mut self, prefix: Option<&str>) -> Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 38 | fn normalize_mappings(&mut self) -> Result<()>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&dyn level2::traits::DOMImplementation>` instead of cloning the inner type [INFO] [stdout] --> src/level2/node_impl.rs:321:51 [INFO] [stdout] | [INFO] [stdout] 321 | i_implementation: i_implementation.clone(), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable `pub` item [INFO] [stdout] --> src/level2/ext/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub use trait_impls::*; [INFO] [stdout] | --- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: consider restricting its visibility: `pub(crate)` [INFO] [stdout] | [INFO] [stdout] = help: or consider exporting it for use by other crates [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:136:5 [INFO] [stdout] | [INFO] [stdout] 136 | unreachable_pub, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `remove_mapping` and `normalize_mappings` are never used [INFO] [stdout] --> src/level2/ext/namespaced.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 31 | pub(crate) trait MutNamespaced: Namespaced { [INFO] [stdout] | ------------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 37 | fn remove_mapping(&mut self, prefix: Option<&str>) -> Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 38 | fn normalize_mappings(&mut self) -> Result<()>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&dyn level2::traits::DOMImplementation>` instead of cloning the inner type [INFO] [stdout] --> src/level2/node_impl.rs:321:51 [INFO] [stdout] | [INFO] [stdout] 321 | i_implementation: i_implementation.clone(), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable `pub` item [INFO] [stdout] --> src/level2/ext/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub use trait_impls::*; [INFO] [stdout] | --- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: consider restricting its visibility: `pub(crate)` [INFO] [stdout] | [INFO] [stdout] = help: or consider exporting it for use by other crates [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:136:5 [INFO] [stdout] | [INFO] [stdout] 136 | unreachable_pub, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.21s [INFO] running `Command { std: "docker" "inspect" "4970b3757fc9d767700e13e019304e65116b93b5396e562cd079185f4177a858", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4970b3757fc9d767700e13e019304e65116b93b5396e562cd079185f4177a858", kill_on_drop: false }` [INFO] [stdout] 4970b3757fc9d767700e13e019304e65116b93b5396e562cd079185f4177a858 [INFO] checking xml_dom-0.2.6 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate xml_dom 0.2.6 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate xml_dom 0.2.6 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate xml_dom 0.2.6 [INFO] finished tweaking crates.io crate xml_dom 0.2.6 [INFO] tweaked toml for crates.io crate xml_dom 0.2.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate xml_dom 0.2.6 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5860fa00fd40e0097073d9c34f9b41ceb34b2c9e77684dba0b714059e3fd6cbc [INFO] running `Command { std: "docker" "start" "-a" "5860fa00fd40e0097073d9c34f9b41ceb34b2c9e77684dba0b714059e3fd6cbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5860fa00fd40e0097073d9c34f9b41ceb34b2c9e77684dba0b714059e3fd6cbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5860fa00fd40e0097073d9c34f9b41ceb34b2c9e77684dba0b714059e3fd6cbc", kill_on_drop: false }` [INFO] [stdout] 5860fa00fd40e0097073d9c34f9b41ceb34b2c9e77684dba0b714059e3fd6cbc [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8df3a19aa5a44f9f9db45749921a6fa8889ef2c5c3329acfdaa050a1e0b85ba [INFO] running `Command { std: "docker" "start" "-a" "c8df3a19aa5a44f9f9db45749921a6fa8889ef2c5c3329acfdaa050a1e0b85ba", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking quick-xml v0.23.0 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking xml_dom v0.2.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `trait_impls::*` [INFO] [stdout] --> src/level2/ext/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub use trait_impls::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `trait_impls::*` [INFO] [stdout] --> src/level2/ext/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub use trait_impls::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `remove_mapping` and `normalize_mappings` are never used [INFO] [stdout] --> src/level2/ext/namespaced.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 31 | pub(crate) trait MutNamespaced: Namespaced { [INFO] [stdout] | ------------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 37 | fn remove_mapping(&mut self, prefix: Option<&str>) -> Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 38 | fn normalize_mappings(&mut self) -> Result<()>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&dyn level2::traits::DOMImplementation>` instead of cloning the inner type [INFO] [stdout] --> src/level2/node_impl.rs:321:51 [INFO] [stdout] | [INFO] [stdout] 321 | i_implementation: i_implementation.clone(), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable `pub` item [INFO] [stdout] --> src/level2/ext/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub use trait_impls::*; [INFO] [stdout] | --- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: consider restricting its visibility: `pub(crate)` [INFO] [stdout] | [INFO] [stdout] = help: or consider exporting it for use by other crates [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:136:5 [INFO] [stdout] | [INFO] [stdout] 136 | unreachable_pub, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `remove_mapping` and `normalize_mappings` are never used [INFO] [stdout] --> src/level2/ext/namespaced.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 31 | pub(crate) trait MutNamespaced: Namespaced { [INFO] [stdout] | ------------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 37 | fn remove_mapping(&mut self, prefix: Option<&str>) -> Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 38 | fn normalize_mappings(&mut self) -> Result<()>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&dyn level2::traits::DOMImplementation>` instead of cloning the inner type [INFO] [stdout] --> src/level2/node_impl.rs:321:51 [INFO] [stdout] | [INFO] [stdout] 321 | i_implementation: i_implementation.clone(), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable `pub` item [INFO] [stdout] --> src/level2/ext/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub use trait_impls::*; [INFO] [stdout] | --- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: consider restricting its visibility: `pub(crate)` [INFO] [stdout] | [INFO] [stdout] = help: or consider exporting it for use by other crates [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:136:5 [INFO] [stdout] | [INFO] [stdout] 136 | unreachable_pub, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.87s [INFO] running `Command { std: "docker" "inspect" "c8df3a19aa5a44f9f9db45749921a6fa8889ef2c5c3329acfdaa050a1e0b85ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8df3a19aa5a44f9f9db45749921a6fa8889ef2c5c3329acfdaa050a1e0b85ba", kill_on_drop: false }` [INFO] [stdout] c8df3a19aa5a44f9f9db45749921a6fa8889ef2c5c3329acfdaa050a1e0b85ba