[INFO] fetching crate elementtree 1.2.3...
[INFO] checking elementtree-1.2.3 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate elementtree 1.2.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate elementtree 1.2.3 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elementtree 1.2.3
[INFO] finished tweaking crates.io crate elementtree 1.2.3
[INFO] tweaked toml for crates.io crate elementtree 1.2.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate elementtree 1.2.3 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6654488c17bf42c356f6d13841a19161b015476c5f8158ebcef37e7f44d55bd
[INFO] running `Command { std: "docker" "start" "-a" "a6654488c17bf42c356f6d13841a19161b015476c5f8158ebcef37e7f44d55bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6654488c17bf42c356f6d13841a19161b015476c5f8158ebcef37e7f44d55bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6654488c17bf42c356f6d13841a19161b015476c5f8158ebcef37e7f44d55bd", kill_on_drop: false }`
[INFO] [stdout] a6654488c17bf42c356f6d13841a19161b015476c5f8158ebcef37e7f44d55bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e3fd79eb3126cd503526111a5c8bd747c374fcef70d3c793ca45dbe09e963a8
[INFO] running `Command { std: "docker" "start" "-a" "5e3fd79eb3126cd503526111a5c8bd747c374fcef70d3c793ca45dbe09e963a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking string_cache v0.8.4
[INFO] [stderr]     Checking elementtree v1.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::xml::reader::EventReader`
[INFO] [stdout]  --> src/xml/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use crate::xml::reader::EventReader;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::xml::reader::ParserConfig`
[INFO] [stdout]  --> src/xml/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::xml::reader::ParserConfig;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::xml::writer::EventWriter`
[INFO] [stdout]  --> src/xml/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use crate::xml::writer::EventWriter;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::xml::reader::ParserConfig`
[INFO] [stdout]  --> src/xml/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::xml::reader::ParserConfig;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.69s
[INFO] running `Command { std: "docker" "inspect" "5e3fd79eb3126cd503526111a5c8bd747c374fcef70d3c793ca45dbe09e963a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e3fd79eb3126cd503526111a5c8bd747c374fcef70d3c793ca45dbe09e963a8", kill_on_drop: false }`
[INFO] [stdout] 5e3fd79eb3126cd503526111a5c8bd747c374fcef70d3c793ca45dbe09e963a8