[INFO] cloning repository https://github.com/kobus1998/git_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kobus1998/git_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobus1998%2Fgit_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobus1998%2Fgit_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9e6cc4ac8f0744cb0ab14bc00218b4da5d39a32
[INFO] checking kobus1998/git_rs against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobus1998%2Fgit_rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kobus1998/git_rs on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kobus1998/git_rs
[INFO] finished tweaking git repo https://github.com/kobus1998/git_rs
[INFO] tweaked toml for git repo https://github.com/kobus1998/git_rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/kobus1998/git_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b09a398c9470e93cd69f20d82152d4b6560413c493fd686cf59750538536d72
[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" "3b09a398c9470e93cd69f20d82152d4b6560413c493fd686cf59750538536d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b09a398c9470e93cd69f20d82152d4b6560413c493fd686cf59750538536d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b09a398c9470e93cd69f20d82152d4b6560413c493fd686cf59750538536d72", kill_on_drop: false }`
[INFO] [stdout] 3b09a398c9470e93cd69f20d82152d4b6560413c493fd686cf59750538536d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 173a94339f97ad6fcc9547808bb833b60a01c640a4450854b9cf2255148376de
[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" "173a94339f97ad6fcc9547808bb833b60a01c640a4450854b9cf2255148376de", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking uuid v0.6.3
[INFO] [stderr]     Checking git_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Repo`
[INFO] [stdout]  --> src/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use git::repo::{ Repo, Settings };
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repo`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let repo = git::repo::Repo::new("test", &settings);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_repo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/git/repo.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     name: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `settings`
[INFO] [stdout]   --> src/git/repo.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     settings: &'a Settings,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `commits`
[INFO] [stdout]   --> src/git/repo.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     commits: Vec<Commit<'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `branches`
[INFO] [stdout]   --> src/git/repo.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     branches: Vec<Branch<'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `contributors`
[INFO] [stdout]   --> src/git/repo.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     contributors: Vec<Contributor<'a>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]  --> src/git/commit.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     id: Uuid,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `desc`
[INFO] [stdout]  --> src/git/commit.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     desc: &'a str
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/git/commit.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(desc: &'a str) -> Commit<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/git/branch.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     name: &'a str
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/git/branch.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(name: &'a str) -> Branch<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/git/contributor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     name: &'a str
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/git/contributor.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(name: &'a str) -> Contributor<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Repo`
[INFO] [stdout]  --> src/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use git::repo::{ Repo, Settings };
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repo`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let repo = git::repo::Repo::new("test", &settings);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_repo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/git/repo.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     name: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `settings`
[INFO] [stdout]   --> src/git/repo.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     settings: &'a Settings,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `commits`
[INFO] [stdout]   --> src/git/repo.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     commits: Vec<Commit<'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `branches`
[INFO] [stdout]   --> src/git/repo.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     branches: Vec<Branch<'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `contributors`
[INFO] [stdout]   --> src/git/repo.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     contributors: Vec<Contributor<'a>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]  --> src/git/commit.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     id: Uuid,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `desc`
[INFO] [stdout]  --> src/git/commit.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     desc: &'a str
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/git/commit.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(desc: &'a str) -> Commit<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/git/branch.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     name: &'a str
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/git/branch.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(name: &'a str) -> Branch<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/git/contributor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     name: &'a str
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/git/contributor.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(name: &'a str) -> Contributor<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "173a94339f97ad6fcc9547808bb833b60a01c640a4450854b9cf2255148376de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "173a94339f97ad6fcc9547808bb833b60a01c640a4450854b9cf2255148376de", kill_on_drop: false }`
[INFO] [stdout] 173a94339f97ad6fcc9547808bb833b60a01c640a4450854b9cf2255148376de