[INFO] fetching crate xar 0.1.1...
[INFO] checking xar-0.1.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate xar 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate xar 0.1.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xar 0.1.1
[INFO] finished tweaking crates.io crate xar 0.1.1
[INFO] tweaked toml for crates.io crate xar 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 22e9cb787fb064fb52709dbe119b150b8328e65ae6d0ff9a4a8fff6d0631c197
[INFO] running `"docker" "start" "-a" "22e9cb787fb064fb52709dbe119b150b8328e65ae6d0ff9a4a8fff6d0631c197"`
[INFO] [stderr]     Checking xmltree v0.8.0
[INFO] [stderr]     Checking quick-xml v0.14.0
[INFO] [stderr]     Checking xar v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::*`
[INFO] [stderr]  --> src/archive.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `libflate::zlib::Decoder`
[INFO] [stderr]  --> src/archive.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libflate::zlib::Decoder;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::SeekFrom`
[INFO] [stderr]  --> src/archive.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::SeekFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Seek`
[INFO] [stderr]  --> src/archive.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{Read, Seek};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::*`
[INFO] [stderr]  --> src/archive.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `libflate::zlib::Decoder`
[INFO] [stderr]  --> src/archive.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libflate::zlib::Decoder;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::SeekFrom`
[INFO] [stderr]  --> src/archive.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::SeekFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Seek`
[INFO] [stderr]  --> src/archive.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{Read, Seek};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Component`
[INFO] [stderr]  --> src/toc.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path::{Component, Path, PathBuf};
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FileElement::*`
[INFO] [stderr]    --> src/toc.rs:188:13
[INFO] [stderr]     |
[INFO] [stderr] 188 |         use FileElement::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FileElement::*`
[INFO] [stderr]    --> src/toc.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |         use FileElement::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Component`
[INFO] [stderr]  --> src/toc.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path::{Component, Path, PathBuf};
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FileElement::*`
[INFO] [stderr]    --> src/toc.rs:188:13
[INFO] [stderr]     |
[INFO] [stderr] 188 |         use FileElement::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FileElement::*`
[INFO] [stderr]    --> src/toc.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |         use FileElement::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `element`
[INFO] [stderr]    --> src/toc.rs:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 |         element: FileElement,
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_element`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `element`
[INFO] [stderr]    --> src/toc.rs:314:9
[INFO] [stderr]     |
[INFO] [stderr] 314 |         element: FileElement,
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_element`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]    --> src/toc.rs:342:31
[INFO] [stderr]     |
[INFO] [stderr] 342 |     fn parse_dummy(&mut self, child: &Element) -> Result<(), Errors> {
[INFO] [stderr]     |                               ^^^^^ help: consider prefixing with an underscore: `_child`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/toc.rs:397:24
[INFO] [stderr]     |
[INFO] [stderr] 397 |     pub fn find(&self, path: &Path) -> Option<Files> {
[INFO] [stderr]     |                        ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `element`
[INFO] [stderr]    --> src/toc.rs:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 |         element: FileElement,
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_element`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `element`
[INFO] [stderr]    --> src/toc.rs:314:9
[INFO] [stderr]     |
[INFO] [stderr] 314 |         element: FileElement,
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_element`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]    --> src/toc.rs:342:31
[INFO] [stderr]     |
[INFO] [stderr] 342 |     fn parse_dummy(&mut self, child: &Element) -> Result<(), Errors> {
[INFO] [stderr]     |                               ^^^^^ help: consider prefixing with an underscore: `_child`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/toc.rs:397:24
[INFO] [stderr]     |
[INFO] [stderr] 397 |     pub fn find(&self, path: &Path) -> Option<Files> {
[INFO] [stderr]     |                        ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/toc.rs:398:13
[INFO] [stderr]     |
[INFO] [stderr] 398 |         let mut files: Option<Files> = Some(self.clone());
[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]    --> src/toc.rs:398:13
[INFO] [stderr]     |
[INFO] [stderr] 398 |         let mut files: Option<Files> = Some(self.clone());
[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: unused variable: `file`
[INFO] [stderr]    --> src/main.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let file = files
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |     let mut files = archive.toc().files()?;
[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: unused variable: `file`
[INFO] [stderr]    --> src/main.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let file = files
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |     let mut files = archive.toc().files()?;
[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]     Finished dev [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `"docker" "inspect" "22e9cb787fb064fb52709dbe119b150b8328e65ae6d0ff9a4a8fff6d0631c197"`
[INFO] running `"docker" "rm" "-f" "22e9cb787fb064fb52709dbe119b150b8328e65ae6d0ff9a4a8fff6d0631c197"`
[INFO] [stdout] 22e9cb787fb064fb52709dbe119b150b8328e65ae6d0ff9a4a8fff6d0631c197