[INFO] cloning repository https://github.com/xfbs/xar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xfbs/xar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Fxar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Fxar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2793f9b098266db45daa8f5f335ed05bbc7ceed
[INFO] checking xfbs/xar against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Fxar" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xfbs/xar on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xfbs/xar
[INFO] finished tweaking git repo https://github.com/xfbs/xar
[INFO] tweaked toml for git repo https://github.com/xfbs/xar written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xfbs/xar 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quick-xml v0.14.0
[INFO] [stderr]   Downloaded libflate v0.1.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ba62bc278cfbef60ed56ef3676c37c21d3cc0691cb51bb4af41e36e4ac46980
[INFO] running `Command { std: "docker" "start" "-a" "4ba62bc278cfbef60ed56ef3676c37c21d3cc0691cb51bb4af41e36e4ac46980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ba62bc278cfbef60ed56ef3676c37c21d3cc0691cb51bb4af41e36e4ac46980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba62bc278cfbef60ed56ef3676c37c21d3cc0691cb51bb4af41e36e4ac46980", kill_on_drop: false }`
[INFO] [stdout] 4ba62bc278cfbef60ed56ef3676c37c21d3cc0691cb51bb4af41e36e4ac46980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5900da9e685ffd816f3903b0aceabd137b533c6cde3e059cc2d8c389aa705d7
[INFO] running `Command { std: "docker" "start" "-a" "c5900da9e685ffd816f3903b0aceabd137b533c6cde3e059cc2d8c389aa705d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking xmltree v0.8.0
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking libflate v0.1.23
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking quick-xml v0.14.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking xar v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::*`
[INFO] [stdout]  --> src/archive.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libflate::zlib::Decoder`
[INFO] [stdout]  --> src/archive.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libflate::zlib::Decoder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::SeekFrom`
[INFO] [stdout]  --> src/archive.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::SeekFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Seek`
[INFO] [stdout]  --> src/archive.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Read, Seek};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Component`
[INFO] [stdout]  --> src/toc.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::{Component, Path, PathBuf};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileElement::*`
[INFO] [stdout]    --> src/toc.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 |         use FileElement::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileElement::*`
[INFO] [stdout]    --> src/toc.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |         use FileElement::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::*`
[INFO] [stdout]  --> src/archive.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libflate::zlib::Decoder`
[INFO] [stdout]  --> src/archive.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libflate::zlib::Decoder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::SeekFrom`
[INFO] [stdout]  --> src/archive.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::SeekFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Seek`
[INFO] [stdout]  --> src/archive.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Read, Seek};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Component`
[INFO] [stdout]  --> src/toc.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::{Component, Path, PathBuf};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileElement::*`
[INFO] [stdout]    --> src/toc.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 |         use FileElement::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileElement::*`
[INFO] [stdout]    --> src/toc.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |         use FileElement::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element`
[INFO] [stdout]    --> src/toc.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |         element: FileElement,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element`
[INFO] [stdout]    --> src/toc.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |         element: FileElement,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/toc.rs:342:31
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn parse_dummy(&mut self, child: &Element) -> Result<(), Errors> {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/toc.rs:397:24
[INFO] [stdout]     |
[INFO] [stdout] 397 |     pub fn find(&self, path: &Path) -> Option<Files> {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/toc.rs:398:13
[INFO] [stdout]     |
[INFO] [stdout] 398 |         let mut files: Option<Files> = Some(self.clone());
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element`
[INFO] [stdout]    --> src/toc.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |         element: FileElement,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element`
[INFO] [stdout]    --> src/toc.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |         element: FileElement,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/toc.rs:342:31
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn parse_dummy(&mut self, child: &Element) -> Result<(), Errors> {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/toc.rs:397:24
[INFO] [stdout]     |
[INFO] [stdout] 397 |     pub fn find(&self, path: &Path) -> Option<Files> {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/toc.rs:398:13
[INFO] [stdout]     |
[INFO] [stdout] 398 |         let mut files: Option<Files> = Some(self.clone());
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.28s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.14.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "c5900da9e685ffd816f3903b0aceabd137b533c6cde3e059cc2d8c389aa705d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5900da9e685ffd816f3903b0aceabd137b533c6cde3e059cc2d8c389aa705d7", kill_on_drop: false }`
[INFO] [stdout] c5900da9e685ffd816f3903b0aceabd137b533c6cde3e059cc2d8c389aa705d7
