[INFO] fetching crate packapp 0.4.0...
[INFO] testing packapp-0.4.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate packapp 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate packapp 0.4.0 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 packapp 0.4.0
[INFO] finished tweaking crates.io crate packapp 0.4.0
[INFO] tweaked toml for crates.io crate packapp 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate packapp 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh v0.1.3
[INFO] [stderr]   Downloaded argh_derive v0.1.1
[INFO] [stderr]   Downloaded argh_shared v0.1.1
[INFO] [stderr]   Downloaded xml-rs v0.8.3
[INFO] [stderr]   Downloaded line-wrap v0.1.1
[INFO] [stderr]   Downloaded plist v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d421f6ced4c97290af648044fcd61aec4e128a665bde31e156d2fd85469c1682
[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" "d421f6ced4c97290af648044fcd61aec4e128a665bde31e156d2fd85469c1682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d421f6ced4c97290af648044fcd61aec4e128a665bde31e156d2fd85469c1682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d421f6ced4c97290af648044fcd61aec4e128a665bde31e156d2fd85469c1682", kill_on_drop: false }`
[INFO] [stdout] d421f6ced4c97290af648044fcd61aec4e128a665bde31e156d2fd85469c1682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ccc4b5e4a20cbfd7405f1bbf8a6e56c8b2923baf80b8645e9bc3eef4f1888943
[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" "ccc4b5e4a20cbfd7405f1bbf8a6e56c8b2923baf80b8645e9bc3eef4f1888943", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling argh v0.1.3
[INFO] [stderr]    Compiling plist v1.0.0
[INFO] [stderr]    Compiling packapp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/err.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_exists`
[INFO] [stdout]   --> src/utils.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn assert_exists(path: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write`
[INFO] [stdout]   --> src/utils.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn write(path: impl AsRef<Path>, content: impl AsRef<[u8]>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read`
[INFO] [stdout]   --> src/utils.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn read(path: impl AsRef<Path>) -> Result<Vec<u8>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `basename`
[INFO] [stdout]   --> src/utils.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn basename(path: impl AsRef<Path>) -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `extname`
[INFO] [stdout]    --> src/utils.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn extname(path: impl AsRef<Path>) -> Result<String> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_ext`
[INFO] [stdout]    --> src/utils.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub fn assert_ext(path: impl AsRef<Path>, ext: &str) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plugins`
[INFO] [stdout]   --> src/bundle.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Plugins,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SharedSupport`
[INFO] [stdout]   --> src/bundle.rs:20:2
[INFO] [stdout]    |
[INFO] [stdout] 20 |     SharedSupport,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exists`
[INFO] [stdout]   --> src/utils.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn exists(path: impl AsRef<Path>) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_exists`
[INFO] [stdout]   --> src/utils.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn assert_exists(path: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_dir`
[INFO] [stdout]   --> src/utils.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn is_dir(path: impl AsRef<Path>) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_file`
[INFO] [stdout]   --> src/utils.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn is_file(path: impl AsRef<Path>) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mkdir`
[INFO] [stdout]   --> src/utils.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn mkdir(path: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `copy`
[INFO] [stdout]   --> src/utils.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn copy(p1: impl AsRef<Path>, p2: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `copy_dir`
[INFO] [stdout]   --> src/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn copy_dir(p1: impl AsRef<Path>, p2: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write`
[INFO] [stdout]   --> src/utils.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn write(path: impl AsRef<Path>, content: impl AsRef<[u8]>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read`
[INFO] [stdout]   --> src/utils.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn read(path: impl AsRef<Path>) -> Result<Vec<u8>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `base`
[INFO] [stdout]    --> src/utils.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn base(path: impl AsRef<Path>) -> Result<PathBuf> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `extname`
[INFO] [stdout]    --> src/utils.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn extname(path: impl AsRef<Path>) -> Result<String> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_ext`
[INFO] [stdout]    --> src/utils.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub fn assert_ext(path: impl AsRef<Path>, ext: &str) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.91s
[INFO] running `Command { std: "docker" "inspect" "ccc4b5e4a20cbfd7405f1bbf8a6e56c8b2923baf80b8645e9bc3eef4f1888943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc4b5e4a20cbfd7405f1bbf8a6e56c8b2923baf80b8645e9bc3eef4f1888943", kill_on_drop: false }`
[INFO] [stdout] ccc4b5e4a20cbfd7405f1bbf8a6e56c8b2923baf80b8645e9bc3eef4f1888943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] ffafb9fb2517bd933360b5052a68c22801282e60934c272de02fcd5c620f5460
[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" "ffafb9fb2517bd933360b5052a68c22801282e60934c272de02fcd5c620f5460", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling packapp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/err.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_exists`
[INFO] [stdout]   --> src/utils.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn assert_exists(path: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write`
[INFO] [stdout]   --> src/utils.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn write(path: impl AsRef<Path>, content: impl AsRef<[u8]>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read`
[INFO] [stdout]   --> src/utils.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn read(path: impl AsRef<Path>) -> Result<Vec<u8>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `basename`
[INFO] [stdout]   --> src/utils.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn basename(path: impl AsRef<Path>) -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `extname`
[INFO] [stdout]    --> src/utils.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn extname(path: impl AsRef<Path>) -> Result<String> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_ext`
[INFO] [stdout]    --> src/utils.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub fn assert_ext(path: impl AsRef<Path>, ext: &str) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plugins`
[INFO] [stdout]   --> src/bundle.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Plugins,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SharedSupport`
[INFO] [stdout]   --> src/bundle.rs:20:2
[INFO] [stdout]    |
[INFO] [stdout] 20 |     SharedSupport,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/err.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exists`
[INFO] [stdout]   --> src/utils.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn exists(path: impl AsRef<Path>) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_exists`
[INFO] [stdout]   --> src/utils.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn assert_exists(path: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_dir`
[INFO] [stdout]   --> src/utils.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn is_dir(path: impl AsRef<Path>) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_file`
[INFO] [stdout]   --> src/utils.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn is_file(path: impl AsRef<Path>) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mkdir`
[INFO] [stdout]   --> src/utils.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn mkdir(path: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `copy`
[INFO] [stdout]   --> src/utils.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn copy(p1: impl AsRef<Path>, p2: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `copy_dir`
[INFO] [stdout]   --> src/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn copy_dir(p1: impl AsRef<Path>, p2: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write`
[INFO] [stdout]   --> src/utils.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn write(path: impl AsRef<Path>, content: impl AsRef<[u8]>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read`
[INFO] [stdout]   --> src/utils.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn read(path: impl AsRef<Path>) -> Result<Vec<u8>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `base`
[INFO] [stdout]    --> src/utils.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn base(path: impl AsRef<Path>) -> Result<PathBuf> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `extname`
[INFO] [stdout]    --> src/utils.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn extname(path: impl AsRef<Path>) -> Result<String> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_ext`
[INFO] [stdout]    --> src/utils.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub fn assert_ext(path: impl AsRef<Path>, ext: &str) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_exists`
[INFO] [stdout]   --> src/utils.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn assert_exists(path: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write`
[INFO] [stdout]   --> src/utils.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn write(path: impl AsRef<Path>, content: impl AsRef<[u8]>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read`
[INFO] [stdout]   --> src/utils.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn read(path: impl AsRef<Path>) -> Result<Vec<u8>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `basename`
[INFO] [stdout]   --> src/utils.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn basename(path: impl AsRef<Path>) -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `extname`
[INFO] [stdout]    --> src/utils.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn extname(path: impl AsRef<Path>) -> Result<String> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_ext`
[INFO] [stdout]    --> src/utils.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub fn assert_ext(path: impl AsRef<Path>, ext: &str) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plugins`
[INFO] [stdout]   --> src/bundle.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Plugins,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SharedSupport`
[INFO] [stdout]   --> src/bundle.rs:20:2
[INFO] [stdout]    |
[INFO] [stdout] 20 |     SharedSupport,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "ffafb9fb2517bd933360b5052a68c22801282e60934c272de02fcd5c620f5460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffafb9fb2517bd933360b5052a68c22801282e60934c272de02fcd5c620f5460", kill_on_drop: false }`
[INFO] [stdout] ffafb9fb2517bd933360b5052a68c22801282e60934c272de02fcd5c620f5460
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 10dc1c9d7b46d567e22850f2de2735fca46095f94445d208446585d8a8bebf29
[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" "10dc1c9d7b46d567e22850f2de2735fca46095f94445d208446585d8a8bebf29", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/err.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_exists`
[INFO] [stderr]   --> src/utils.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn assert_exists(path: impl AsRef<Path>) -> Result<()> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write`
[INFO] [stderr]   --> src/utils.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn write(path: impl AsRef<Path>, content: impl AsRef<[u8]>) -> Result<()> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read`
[INFO] [stderr]   --> src/utils.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn read(path: impl AsRef<Path>) -> Result<Vec<u8>> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `basename`
[INFO] [stderr]   --> src/utils.rs:86:8
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub fn basename(path: impl AsRef<Path>) -> Result<String> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `extname`
[INFO] [stderr]    --> src/utils.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn extname(path: impl AsRef<Path>) -> Result<String> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_ext`
[INFO] [stderr]    --> src/utils.rs:128:8
[INFO] [stderr]     |
[INFO] [stderr] 128 | pub fn assert_ext(path: impl AsRef<Path>, ext: &str) -> Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plugins`
[INFO] [stderr]   --> src/bundle.rs:19:2
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Plugins,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SharedSupport`
[INFO] [stderr]   --> src/bundle.rs:20:2
[INFO] [stderr]    |
[INFO] [stderr] 20 |     SharedSupport,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/err.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_exists`
[INFO] [stderr]   --> src/utils.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn assert_exists(path: impl AsRef<Path>) -> Result<()> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write`
[INFO] [stderr]   --> src/utils.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn write(path: impl AsRef<Path>, content: impl AsRef<[u8]>) -> Result<()> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `read`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/utils.rs:77:8
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 77 | pub fn read(path: impl AsRef<Path>) -> Result<Vec<u8>> {
[INFO] [stdout] 
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `basename`
[INFO] [stderr]   --> src/utils.rs:86:8
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub fn basename(path: impl AsRef<Path>) -> Result<String> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `extname`
[INFO] [stderr]    --> src/utils.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn extname(path: impl AsRef<Path>) -> Result<String> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_ext`
[INFO] [stderr]    --> src/utils.rs:128:8
[INFO] [stderr]     |
[INFO] [stderr] 128 | pub fn assert_ext(path: impl AsRef<Path>, ext: &str) -> Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plugins`
[INFO] [stderr]   --> src/bundle.rs:19:2
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Plugins,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SharedSupport`
[INFO] [stderr]   --> src/bundle.rs:20:2
[INFO] [stderr]    |
[INFO] [stderr] 20 |     SharedSupport,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exists`
[INFO] [stderr]   --> src/utils.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn exists(path: impl AsRef<Path>) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_exists`
[INFO] [stderr]   --> src/utils.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn assert_exists(path: impl AsRef<Path>) -> Result<()> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_dir`
[INFO] [stderr]   --> src/utils.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn is_dir(path: impl AsRef<Path>) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_file`
[INFO] [stderr]   --> src/utils.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn is_file(path: impl AsRef<Path>) -> bool {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mkdir`
[INFO] [stderr]   --> src/utils.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn mkdir(path: impl AsRef<Path>) -> Result<()> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `copy`
[INFO] [stderr]   --> src/utils.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn copy(p1: impl AsRef<Path>, p2: impl AsRef<Path>) -> Result<()> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `copy_dir`
[INFO] [stderr]   --> src/utils.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn copy_dir(p1: impl AsRef<Path>, p2: impl AsRef<Path>) -> Result<()> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write`
[INFO] [stderr]   --> src/utils.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn write(path: impl AsRef<Path>, content: impl AsRef<[u8]>) -> Result<()> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read`
[INFO] [stderr]   --> src/utils.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn read(path: impl AsRef<Path>) -> Result<Vec<u8>> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `base`
[INFO] [stderr]    --> src/utils.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub fn base(path: impl AsRef<Path>) -> Result<PathBuf> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `extname`
[INFO] [stderr]    --> src/utils.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn extname(path: impl AsRef<Path>) -> Result<String> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_ext`
[INFO] [stderr]    --> src/utils.rs:128:8
[INFO] [stderr]     |
[INFO] [stderr] 128 | pub fn assert_ext(path: impl AsRef<Path>, ext: &str) -> Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/packapp-e10bdf16108ee351
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/packapp-48d6bd6982cf0400
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests packapp
[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] [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" "10dc1c9d7b46d567e22850f2de2735fca46095f94445d208446585d8a8bebf29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10dc1c9d7b46d567e22850f2de2735fca46095f94445d208446585d8a8bebf29", kill_on_drop: false }`
[INFO] [stdout] 10dc1c9d7b46d567e22850f2de2735fca46095f94445d208446585d8a8bebf29
