[INFO] fetching crate xar 0.1.1...
[INFO] testing xar-0.1.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate xar 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate xar 0.1.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d45cd9bf8164d4721b1f2ce90d55fa16916a410449e5bec9565a6041a632f0d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d45cd9bf8164d4721b1f2ce90d55fa16916a410449e5bec9565a6041a632f0d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d45cd9bf8164d4721b1f2ce90d55fa16916a410449e5bec9565a6041a632f0d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45cd9bf8164d4721b1f2ce90d55fa16916a410449e5bec9565a6041a632f0d8", kill_on_drop: false }`
[INFO] [stdout] d45cd9bf8164d4721b1f2ce90d55fa16916a410449e5bec9565a6041a632f0d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61308d073b918a1d811a367bde653d0a75031379d544fb8da2dc2e7cb429c3fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61308d073b918a1d811a367bde653d0a75031379d544fb8da2dc2e7cb429c3fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling xmltree v0.8.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling quick-xml v0.14.0
[INFO] [stderr]    Compiling 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 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: `file`
[INFO] [stdout]    --> src/main.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let file = files
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let mut files = archive.toc().files()?;
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.22s
[INFO] running `Command { std: "docker" "inspect" "61308d073b918a1d811a367bde653d0a75031379d544fb8da2dc2e7cb429c3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61308d073b918a1d811a367bde653d0a75031379d544fb8da2dc2e7cb429c3fb", kill_on_drop: false }`
[INFO] [stdout] 61308d073b918a1d811a367bde653d0a75031379d544fb8da2dc2e7cb429c3fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c9ee871b4a54fc0b1ad4d2e79987f3ad7afa980e1946a44e2d1e683a340c4f9
[INFO] running `Command { std: "docker" "start" "-a" "0c9ee871b4a54fc0b1ad4d2e79987f3ad7afa980e1946a44e2d1e683a340c4f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 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: `file`
[INFO] [stdout]    --> src/main.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let file = files
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let mut files = archive.toc().files()?;
[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: 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: 2 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 test [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "0c9ee871b4a54fc0b1ad4d2e79987f3ad7afa980e1946a44e2d1e683a340c4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c9ee871b4a54fc0b1ad4d2e79987f3ad7afa980e1946a44e2d1e683a340c4f9", kill_on_drop: false }`
[INFO] [stdout] 0c9ee871b4a54fc0b1ad4d2e79987f3ad7afa980e1946a44e2d1e683a340c4f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f473d619f83aaa78d975d1855d7576b6f971b0140cbb5927fc3bce18c71324fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f473d619f83aaa78d975d1855d7576b6f971b0140cbb5927fc3bce18c71324fe", kill_on_drop: false }`
[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 variable: `element`
[INFO] [stderr]    --> src/toc.rs:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 |         element: FileElement,
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_path`
[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 variable: `element`
[INFO] [stderr]    --> src/toc.rs:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 |         element: FileElement,
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_element`
[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: 12 warnings emitted
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: 12 warnings emitted
[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: if this is intentional, prefix it 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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xar-1ab0aa58574911c3
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_can_load_header ... ok
[INFO] [stdout] test tests::test_header_load_fails_with_invalid_magic ... ok
[INFO] [stdout] test tests::test_can_load_header_toc_cksum_sha512 ... ok
[INFO] [stdout] test tests::test_header_load_fails_with_invalid_version ... ok
[INFO] [stdout] test tests::test_can_load_header_toc_cksum_sha256 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xar-ff656e9b18781c7d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xar
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f473d619f83aaa78d975d1855d7576b6f971b0140cbb5927fc3bce18c71324fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f473d619f83aaa78d975d1855d7576b6f971b0140cbb5927fc3bce18c71324fe", kill_on_drop: false }`
[INFO] [stdout] f473d619f83aaa78d975d1855d7576b6f971b0140cbb5927fc3bce18c71324fe
