[INFO] cloning repository https://github.com/tedbauer/git-clone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tedbauer/git-clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedbauer%2Fgit-clone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedbauer%2Fgit-clone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9099325da2771c19095b670f4bda17c26daeb27a
[INFO] testing tedbauer/git-clone against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedbauer%2Fgit-clone" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tedbauer/git-clone on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tedbauer/git-clone
[INFO] finished tweaking git repo https://github.com/tedbauer/git-clone
[INFO] tweaked toml for git repo https://github.com/tedbauer/git-clone written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tedbauer/git-clone already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e18c8ce9f9a7342584765767c883e817a0f92f3ac8b8324a6161bd0e4a696fcb
[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" "e18c8ce9f9a7342584765767c883e817a0f92f3ac8b8324a6161bd0e4a696fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e18c8ce9f9a7342584765767c883e817a0f92f3ac8b8324a6161bd0e4a696fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18c8ce9f9a7342584765767c883e817a0f92f3ac8b8324a6161bd0e4a696fcb", kill_on_drop: false }`
[INFO] [stdout] e18c8ce9f9a7342584765767c883e817a0f92f3ac8b8324a6161bd0e4a696fcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd9d880a53ed35f39b42ea9ba23aba18a9f58b60bc9b3f08a96f4403f244ac8a
[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" "bd9d880a53ed35f39b42ea9ba23aba18a9f58b60bc9b3f08a96f4403f244ac8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling dlv-list v0.2.3
[INFO] [stderr]    Compiling ordered-multimap v0.3.1
[INFO] [stderr]    Compiling rust-ini v0.17.0
[INFO] [stderr]    Compiling wyag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ffi::OsStr`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ffi::OsStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sha1`
[INFO] [stdout]  --> src/main.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sha1::{Sha1, Digest};
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Digest`
[INFO] [stdout]  --> src/main.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sha1::{Sha1, Digest};
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/main.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn serialize(data: &str) -> Self {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GitRepository`
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct GitRepository {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GitCommit`
[INFO] [stdout]   --> src/main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct GitCommit {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GitTree`
[INFO] [stdout]   --> src/main.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct GitTree {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GitTag`
[INFO] [stdout]   --> src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct GitTag {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GitBlob`
[INFO] [stdout]   --> src/main.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct GitBlob {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `GitObject`
[INFO] [stdout]   --> src/main.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum GitObject {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/main.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn serialize(data: &str) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `deserialize`
[INFO] [stdout]   --> src/main.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn deserialize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     conf.write_to_file(work_tree.join(".git").join("config"));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.72s
[INFO] running `Command { std: "docker" "inspect" "bd9d880a53ed35f39b42ea9ba23aba18a9f58b60bc9b3f08a96f4403f244ac8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd9d880a53ed35f39b42ea9ba23aba18a9f58b60bc9b3f08a96f4403f244ac8a", kill_on_drop: false }`
[INFO] [stdout] bd9d880a53ed35f39b42ea9ba23aba18a9f58b60bc9b3f08a96f4403f244ac8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c79c148a45a84cb01a08e6733f84989e48a83a94020d232fb2aaef73c01f00a
[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" "4c79c148a45a84cb01a08e6733f84989e48a83a94020d232fb2aaef73c01f00a", kill_on_drop: false }`
[INFO] [stderr]    Compiling wyag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ffi::OsStr`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ffi::OsStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sha1`
[INFO] [stdout]  --> src/main.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sha1::{Sha1, Digest};
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Digest`
[INFO] [stdout]  --> src/main.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sha1::{Sha1, Digest};
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/main.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn serialize(data: &str) -> Self {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GitRepository`
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct GitRepository {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GitCommit`
[INFO] [stdout]   --> src/main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct GitCommit {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GitTree`
[INFO] [stdout]   --> src/main.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct GitTree {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GitTag`
[INFO] [stdout]   --> src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct GitTag {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GitBlob`
[INFO] [stdout]   --> src/main.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct GitBlob {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `GitObject`
[INFO] [stdout]   --> src/main.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum GitObject {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/main.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn serialize(data: &str) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `deserialize`
[INFO] [stdout]   --> src/main.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn deserialize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     conf.write_to_file(work_tree.join(".git").join("config"));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c79c148a45a84cb01a08e6733f84989e48a83a94020d232fb2aaef73c01f00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c79c148a45a84cb01a08e6733f84989e48a83a94020d232fb2aaef73c01f00a", kill_on_drop: false }`
[INFO] [stdout] 4c79c148a45a84cb01a08e6733f84989e48a83a94020d232fb2aaef73c01f00a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d237d7b661420db317dfe8df11e8eba88ce3c8e94a66e6d6e12c5ef993c9d57f
[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" "d237d7b661420db317dfe8df11e8eba88ce3c8e94a66e6d6e12c5ef993c9d57f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::ffi::OsStr`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::ffi::OsStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sha1`
[INFO] [stderr]  --> src/main.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | use sha1::{Sha1, Digest};
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Digest`
[INFO] [stderr]  --> src/main.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use sha1::{Sha1, Digest};
[INFO] [stderr]   |                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/main.rs:30:18
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn serialize(data: &str) -> Self {
[INFO] [stderr]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GitRepository`
[INFO] [stderr]   --> src/main.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct GitRepository {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GitCommit`
[INFO] [stderr]   --> src/main.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct GitCommit {}
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GitTree`
[INFO] [stderr]   --> src/main.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct GitTree {}
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GitTag`
[INFO] [stderr]   --> src/main.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct GitTag {}
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GitBlob`
[INFO] [stderr]   --> src/main.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct GitBlob {}
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `GitObject`
[INFO] [stderr]   --> src/main.rs:22:6
[INFO] [stderr]    |
[INFO] [stderr] 22 | enum GitObject {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `serialize`
[INFO] [stderr]   --> src/main.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn serialize(data: &str) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `deserialize`
[INFO] [stderr]   --> src/main.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn deserialize(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     conf.write_to_file(work_tree.join(".git").join("config"));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `wyag` (bin "wyag" test) generated 13 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.29s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wyag-894aef8c2f05923e)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d237d7b661420db317dfe8df11e8eba88ce3c8e94a66e6d6e12c5ef993c9d57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d237d7b661420db317dfe8df11e8eba88ce3c8e94a66e6d6e12c5ef993c9d57f", kill_on_drop: false }`
[INFO] [stdout] d237d7b661420db317dfe8df11e8eba88ce3c8e94a66e6d6e12c5ef993c9d57f