[INFO] fetching crate ddt 0.3.2...
[INFO] checking ddt-0.3.2 against f10db292a3733b5c67c8da8c7661195ff4b05774 for pr-158914
[INFO] extracting crate ddt 0.3.2 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate ddt 0.3.2
[INFO] finished tweaking crates.io crate ddt 0.3.2
[INFO] tweaked toml for crates.io crate ddt 0.3.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ddt 0.3.2 on toolchain f10db292a3733b5c67c8da8c7661195ff4b05774
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ddt 0.3.2 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" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f3f8ba44f3920b06e9dd679f1297fb41cde67432154f291a06a344043a9432ff
[INFO] running `Command { std: "docker" "start" "f3f8ba44f3920b06e9dd679f1297fb41cde67432154f291a06a344043a9432ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3f8ba44f3920b06e9dd679f1297fb41cde67432154f291a06a344043a9432ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f3f8ba44f3920b06e9dd679f1297fb41cde67432154f291a06a344043a9432ff" "/opt/rustwide/cargo-home/bin/cargo" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3f8ba44f3920b06e9dd679f1297fb41cde67432154f291a06a344043a9432ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f3f8ba44f3920b06e9dd679f1297fb41cde67432154f291a06a344043a9432ff" "/opt/rustwide/cargo-home/bin/cargo" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: type alias `Versions` is never used
[INFO] [stdout]   --> src/package_manager/mod.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Versions = Arc<Vec<PackageVersion>>;
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PackageName` is never used
[INFO] [stdout]   --> src/package_manager/mod.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type PackageName = Atom;
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PackageManager` is never used
[INFO] [stdout]   --> src/package_manager/mod.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait PackageManager: Send + Sync {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PackageVersion` is never constructed
[INFO] [stdout]   --> src/package_manager/mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct PackageVersion {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dependency` is never constructed
[INFO] [stdout]   --> src/package_manager/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Dependency {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CargoPackageManager` is never constructed
[INFO] [stdout]   --> src/package_manager/cargo.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct CargoPackageManager;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_url` is never used
[INFO] [stdout]   --> src/package_manager/cargo.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn build_url(name: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Descriptor` is never constructed
[INFO] [stdout]   --> src/package_manager/cargo.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | struct Descriptor {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DepDescriptor` is never constructed
[INFO] [stdout]   --> src/package_manager/cargo.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct DepDescriptor {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Versions` is never used
[INFO] [stdout]   --> src/package_manager/mod.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Versions = Arc<Vec<PackageVersion>>;
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PackageName` is never used
[INFO] [stdout]   --> src/package_manager/mod.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type PackageName = Atom;
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PackageManager` is never used
[INFO] [stdout]   --> src/package_manager/mod.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait PackageManager: Send + Sync {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PackageVersion` is never constructed
[INFO] [stdout]   --> src/package_manager/mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct PackageVersion {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dependency` is never constructed
[INFO] [stdout]   --> src/package_manager/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Dependency {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CargoPackageManager` is never constructed
[INFO] [stdout]   --> src/package_manager/cargo.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct CargoPackageManager;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_url` is never used
[INFO] [stdout]   --> src/package_manager/cargo.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn build_url(name: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Descriptor` is never constructed
[INFO] [stdout]   --> src/package_manager/cargo.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | struct Descriptor {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DepDescriptor` is never constructed
[INFO] [stdout]   --> src/package_manager/cargo.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct DepDescriptor {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8m 41s
[INFO] running `Command { std: "docker" "inspect" "f3f8ba44f3920b06e9dd679f1297fb41cde67432154f291a06a344043a9432ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f8ba44f3920b06e9dd679f1297fb41cde67432154f291a06a344043a9432ff", kill_on_drop: false }`
[INFO] [stdout] f3f8ba44f3920b06e9dd679f1297fb41cde67432154f291a06a344043a9432ff
