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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaspar030/sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaspar030%2Fsandbox", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 124584334cc2c3a64b21788f36bea95bf6685a67
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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaspar030%2Fsandbox" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
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[INFO] finished tweaking git repo https://github.com/kaspar030/sandbox
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[INFO] validating manifest of git repo https://github.com/kaspar030/sandbox on toolchain b152f5575a2ac7126ae0019e4e679abe9399213e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kaspar030/sandbox 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" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
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[INFO] [stdout] warning: constant `BUSYBOX_URL` is never used
[INFO] [stdout]   --> tests/common/rootfs.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const BUSYBOX_URL: &str = "https://busybox.net/downloads/binaries/1.35.0-x86_64-linux-musl/busybox";
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `INIT_ROOTFS` is never used
[INFO] [stdout]   --> tests/common/rootfs.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | static INIT_ROOTFS: Once = Once::new();
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `base_rootfs_dir` is never used
[INFO] [stdout]   --> tests/common/rootfs.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn base_rootfs_dir() -> PathBuf {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ensure_base_rootfs` is never used
[INFO] [stdout]   --> tests/common/rootfs.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn ensure_base_rootfs() -> PathBuf {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `download_busybox` is never used
[INFO] [stdout]   --> tests/common/rootfs.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn download_busybox(target: &Path) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `download_with_ureq` is never used
[INFO] [stdout]   --> tests/common/rootfs.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn download_with_ureq(target: &Path) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_busybox_symlinks` is never used
[INFO] [stdout]   --> tests/common/rootfs.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn create_busybox_symlinks(rootfs: &Path, busybox: &Path) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> tests/common/rootfs.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 133 | impl TempRootfs {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 134 |     /// Create a new temporary rootfs by copying the base rootfs.
[INFO] [stdout] 135 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_dir_recursive` is never used
[INFO] [stdout]    --> tests/common/rootfs.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn copy_dir_recursive(src: &Path, dst: &Path) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUSYBOX_URL` is never used
[INFO] [stdout]   --> tests/common/rootfs.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const BUSYBOX_URL: &str = "https://busybox.net/downloads/binaries/1.35.0-x86_64-linux-musl/busybox";
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `INIT_ROOTFS` is never used
[INFO] [stdout]   --> tests/common/rootfs.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | static INIT_ROOTFS: Once = Once::new();
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `base_rootfs_dir` is never used
[INFO] [stdout]   --> tests/common/rootfs.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn base_rootfs_dir() -> PathBuf {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ensure_base_rootfs` is never used
[INFO] [stdout]   --> tests/common/rootfs.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn ensure_base_rootfs() -> PathBuf {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `download_busybox` is never used
[INFO] [stdout]   --> tests/common/rootfs.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn download_busybox(target: &Path) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `download_with_ureq` is never used
[INFO] [stdout]   --> tests/common/rootfs.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn download_with_ureq(target: &Path) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_busybox_symlinks` is never used
[INFO] [stdout]   --> tests/common/rootfs.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn create_busybox_symlinks(rootfs: &Path, busybox: &Path) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> tests/common/rootfs.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 133 | impl TempRootfs {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 134 |     /// Create a new temporary rootfs by copying the base rootfs.
[INFO] [stdout] 135 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_dir_recursive` is never used
[INFO] [stdout]    --> tests/common/rootfs.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn copy_dir_recursive(src: &Path, dst: &Path) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.74s
[INFO] running `Command { std: "docker" "inspect" "aa7ca82fa1a9442f2d2de57dd5409016fb4367daac8024dbde16f23ba0650670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7ca82fa1a9442f2d2de57dd5409016fb4367daac8024dbde16f23ba0650670", kill_on_drop: false }`
[INFO] [stdout] aa7ca82fa1a9442f2d2de57dd5409016fb4367daac8024dbde16f23ba0650670
