[INFO] fetching crate dummy_xml 0.1.6...
[INFO] checking dummy_xml-0.1.6 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate dummy_xml 0.1.6 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate dummy_xml 0.1.6 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dummy_xml 0.1.6
[INFO] finished tweaking crates.io crate dummy_xml 0.1.6
[INFO] tweaked toml for crates.io crate dummy_xml 0.1.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fa2866fef84bc666b69859a1f2fedde16190651ede9ece64579eafaa0b6e8e8
[INFO] running `Command { std: "docker" "start" "-a" "5fa2866fef84bc666b69859a1f2fedde16190651ede9ece64579eafaa0b6e8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fa2866fef84bc666b69859a1f2fedde16190651ede9ece64579eafaa0b6e8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa2866fef84bc666b69859a1f2fedde16190651ede9ece64579eafaa0b6e8e8", kill_on_drop: false }`
[INFO] [stdout] 5fa2866fef84bc666b69859a1f2fedde16190651ede9ece64579eafaa0b6e8e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f200e2a623dfdf4c3e6b857f8bbdd9e7a0806e04e338e1fe884d2b8c4769fddc
[INFO] running `Command { std: "docker" "start" "-a" "f200e2a623dfdf4c3e6b857f8bbdd9e7a0806e04e338e1fe884d2b8c4769fddc", kill_on_drop: false }`
[INFO] [stderr]     Checking dummy_xml v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/node.rs:82:52
[INFO] [stdout]    |
[INFO] [stdout] 82 |         unsafe { self.prev.as_ref().map(|attr| attr.borrow()) }
[INFO] [stdout]    |                                                    ^^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Attribute` does not implement `Borrow`, so calling `borrow` on `&Attribute` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/node.rs:178:52
[INFO] [stdout]     |
[INFO] [stdout] 178 |         unsafe { self.prev.as_ref().map(|node| node.borrow()) }
[INFO] [stdout]     |                                                    ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Node<'_>` does not implement `Borrow`, so calling `borrow` on `&Node<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/node.rs:188:54
[INFO] [stdout]     |
[INFO] [stdout] 188 |         unsafe { self.parent.as_ref().map(|node| node.borrow()) }
[INFO] [stdout]     |                                                      ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Node<'_>` does not implement `Borrow`, so calling `borrow` on `&Node<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/node.rs:208:58
[INFO] [stdout]     |
[INFO] [stdout] 208 |         unsafe { self.last_child.as_ref().map(|node| node.borrow()) }
[INFO] [stdout]     |                                                          ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Node<'_>` does not implement `Borrow`, so calling `borrow` on `&Node<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/node.rs:228:57
[INFO] [stdout]     |
[INFO] [stdout] 228 |         unsafe { self.last_attr.as_ref().map(|node| node.borrow()) }
[INFO] [stdout]     |                                                         ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Attribute` does not implement `Borrow`, so calling `borrow` on `&Attribute` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dummy_xml` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/node.rs:82:52
[INFO] [stdout]    |
[INFO] [stdout] 82 |         unsafe { self.prev.as_ref().map(|attr| attr.borrow()) }
[INFO] [stdout]    |                                                    ^^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `node::Attribute` does not implement `Borrow`, so calling `borrow` on `&node::Attribute` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/node.rs:178:52
[INFO] [stdout]     |
[INFO] [stdout] 178 |         unsafe { self.prev.as_ref().map(|node| node.borrow()) }
[INFO] [stdout]     |                                                    ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `node::Node<'_>` does not implement `Borrow`, so calling `borrow` on `&node::Node<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/node.rs:188:54
[INFO] [stdout]     |
[INFO] [stdout] 188 |         unsafe { self.parent.as_ref().map(|node| node.borrow()) }
[INFO] [stdout]     |                                                      ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `node::Node<'_>` does not implement `Borrow`, so calling `borrow` on `&node::Node<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/node.rs:208:58
[INFO] [stdout]     |
[INFO] [stdout] 208 |         unsafe { self.last_child.as_ref().map(|node| node.borrow()) }
[INFO] [stdout]     |                                                          ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `node::Node<'_>` does not implement `Borrow`, so calling `borrow` on `&node::Node<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/node.rs:228:57
[INFO] [stdout]     |
[INFO] [stdout] 228 |         unsafe { self.last_attr.as_ref().map(|node| node.borrow()) }
[INFO] [stdout]     |                                                         ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `node::Attribute` does not implement `Borrow`, so calling `borrow` on `&node::Attribute` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dummy_xml` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "f200e2a623dfdf4c3e6b857f8bbdd9e7a0806e04e338e1fe884d2b8c4769fddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f200e2a623dfdf4c3e6b857f8bbdd9e7a0806e04e338e1fe884d2b8c4769fddc", kill_on_drop: false }`
[INFO] [stdout] f200e2a623dfdf4c3e6b857f8bbdd9e7a0806e04e338e1fe884d2b8c4769fddc