[INFO] crate elementtree 0.5.0 is already in cache
[INFO] checking elementtree-0.5.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate elementtree 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate elementtree 0.5.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate elementtree 0.5.0
[INFO] finished tweaking crates.io crate elementtree 0.5.0
[INFO] tweaked toml for crates.io crate elementtree 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0acc971d61dfa2d33a6eb6f572b1a1acc765ce7ce751590f8fca1500b6279e47
[INFO] running `"docker" "start" "-a" "0acc971d61dfa2d33a6eb6f572b1a1acc765ce7ce751590f8fca1500b6279e47"`
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking elementtree v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:526:32
[INFO] [stderr]     |
[INFO] [stderr] 526 |     fn from_xml_position(pos: &XmlPosition) -> Position {
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn XmlPosition`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:616:32
[INFO] [stderr]     |
[INFO] [stderr] 616 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:526:32
[INFO] [stderr]     |
[INFO] [stderr] 526 |     fn from_xml_position(pos: &XmlPosition) -> Position {
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn XmlPosition`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:616:32
[INFO] [stderr]     |
[INFO] [stderr] 616 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:630:48
[INFO] [stderr]     |
[INFO] [stderr] 630 |                 io::Error::new(err.kind(), err.description())),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:630:48
[INFO] [stderr]     |
[INFO] [stderr] 630 |                 io::Error::new(err.kind(), err.description())),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test_basic.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let mut list = root.append_new_child("{demo}list");
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test_basic.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |             let mut child = list.append_new_child("{demo}item");
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test_basic.rs:183:13
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let mut list = root.append_new_child("{demo}list");
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test_basic.rs:185:17
[INFO] [stderr]     |
[INFO] [stderr] 185 |             let mut child = list.append_new_child("{demo}item");
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test_basic.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let mut list = root.append_new_child("{demo}list");
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test_basic.rs:212:17
[INFO] [stderr]     |
[INFO] [stderr] 212 |             let mut child = list.append_new_child("{demo}item");
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test_basic.rs:238:13
[INFO] [stderr]     |
[INFO] [stderr] 238 |         let mut list = root.append_new_child("{demo}list");
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test_basic.rs:240:17
[INFO] [stderr]     |
[INFO] [stderr] 240 |             let mut child = list.append_new_child("{demo}item");
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test_basic.rs:266:13
[INFO] [stderr]     |
[INFO] [stderr] 266 |         let mut list = root.append_new_child("{demo}list");
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test_basic.rs:268:17
[INFO] [stderr]     |
[INFO] [stderr] 268 |             let mut child = list.append_new_child("{demo}item");
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test_basic.rs:323:13
[INFO] [stderr]     |
[INFO] [stderr] 323 |         let mut list = root.find_mut("list").unwrap();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "0acc971d61dfa2d33a6eb6f572b1a1acc765ce7ce751590f8fca1500b6279e47"`
[INFO] running `"docker" "rm" "-f" "0acc971d61dfa2d33a6eb6f572b1a1acc765ce7ce751590f8fca1500b6279e47"`
[INFO] [stdout] 0acc971d61dfa2d33a6eb6f572b1a1acc765ce7ce751590f8fca1500b6279e47
