[INFO] cloning repository https://github.com/kkafar/syncer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kkafar/syncer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkafar%2Fsyncer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkafar%2Fsyncer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 520890786dc36bcc0ac87ae1d28fd9550dc49f6d
[INFO] testing kkafar/syncer against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkafar%2Fsyncer" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kkafar/syncer
[INFO] finished tweaking git repo https://github.com/kkafar/syncer
[INFO] tweaked toml for git repo https://github.com/kkafar/syncer written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kkafar/syncer on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kkafar/syncer 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d492a9d258d9d6045323d0a738037de8777410e48f8922062a2169652a899d9
[INFO] running `Command { std: "docker" "start" "-a" "7d492a9d258d9d6045323d0a738037de8777410e48f8922062a2169652a899d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d492a9d258d9d6045323d0a738037de8777410e48f8922062a2169652a899d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d492a9d258d9d6045323d0a738037de8777410e48f8922062a2169652a899d9", kill_on_drop: false }`
[INFO] [stdout] 7d492a9d258d9d6045323d0a738037de8777410e48f8922062a2169652a899d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e3360f8c8ad88190cd15e7402419abd5665c84bfb2f7f5d32a75f024d587f62
[INFO] running `Command { std: "docker" "start" "-a" "6e3360f8c8ad88190cd15e7402419abd5665c84bfb2f7f5d32a75f024d587f62", kill_on_drop: false }`
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[INFO] [stderr]    Compiling syncer v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: variant `GroupExists` is never constructed
[INFO] [stdout]   --> src/client/error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum AddGroupError {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] 14 |     #[error("Group with name {0} already exists")]
[INFO] [stdout] 15 |     GroupExists(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AddGroupError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state_dir` is never read
[INFO] [stdout]  --> src/env.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct AppDirectories {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 8 |     data_dir: PathBuf,
[INFO] [stdout] 9 |     state_dir: PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_state_dir` is never used
[INFO] [stdout]   --> src/env.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl AppDirectories {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn get_state_dir(&self) -> &Path {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/server/db.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct DatabaseProxy {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 11 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ServerDescription` is never constructed
[INFO] [stdout]   --> src/server/service.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct ServerDescription {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 18s
[INFO] running `Command { std: "docker" "inspect" "6e3360f8c8ad88190cd15e7402419abd5665c84bfb2f7f5d32a75f024d587f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3360f8c8ad88190cd15e7402419abd5665c84bfb2f7f5d32a75f024d587f62", kill_on_drop: false }`
[INFO] [stdout] 6e3360f8c8ad88190cd15e7402419abd5665c84bfb2f7f5d32a75f024d587f62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc87fafd5ffa51406c7a63561cb58c6b8ea6de87f04d7dda733d74126f821e32
[INFO] running `Command { std: "docker" "start" "-a" "cc87fafd5ffa51406c7a63561cb58c6b8ea6de87f04d7dda733d74126f821e32", kill_on_drop: false }`
[INFO] [stderr]    Compiling syncer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `GroupExists` is never constructed
[INFO] [stdout]   --> src/client/error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum AddGroupError {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] 14 |     #[error("Group with name {0} already exists")]
[INFO] [stdout] 15 |     GroupExists(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AddGroupError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state_dir` is never read
[INFO] [stdout]  --> src/env.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct AppDirectories {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 8 |     data_dir: PathBuf,
[INFO] [stdout] 9 |     state_dir: PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_state_dir` is never used
[INFO] [stdout]   --> src/env.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl AppDirectories {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn get_state_dir(&self) -> &Path {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/server/db.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct DatabaseProxy {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 11 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ServerDescription` is never constructed
[INFO] [stdout]   --> src/server/service.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct ServerDescription {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `Command { std: "docker" "inspect" "cc87fafd5ffa51406c7a63561cb58c6b8ea6de87f04d7dda733d74126f821e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc87fafd5ffa51406c7a63561cb58c6b8ea6de87f04d7dda733d74126f821e32", kill_on_drop: false }`
[INFO] [stdout] cc87fafd5ffa51406c7a63561cb58c6b8ea6de87f04d7dda733d74126f821e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63132d524e3326f195561fca2af36c87f062fd995363eba0934f8fed89f01825
[INFO] running `Command { std: "docker" "start" "-a" "63132d524e3326f195561fca2af36c87f062fd995363eba0934f8fed89f01825", kill_on_drop: false }`
[INFO] [stderr] warning: variant `GroupExists` is never constructed
[INFO] [stderr]   --> src/client/error.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub enum AddGroupError {
[INFO] [stderr]    |          ------------- variant in this enum
[INFO] [stderr] 14 |     #[error("Group with name {0} already exists")]
[INFO] [stderr] 15 |     GroupExists(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AddGroupError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `state_dir` is never read
[INFO] [stderr]  --> src/env.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct AppDirectories {
[INFO] [stderr]   |            -------------- field in this struct
[INFO] [stderr] 8 |     data_dir: PathBuf,
[INFO] [stderr] 9 |     state_dir: PathBuf,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_state_dir` is never used
[INFO] [stderr]   --> src/env.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl AppDirectories {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn get_state_dir(&self) -> &Path {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `path` is never read
[INFO] [stderr]   --> src/server/db.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct DatabaseProxy {
[INFO] [stderr]    |            ------------- field in this struct
[INFO] [stderr] 11 |     path: PathBuf,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ServerDescription` is never constructed
[INFO] [stderr]   --> src/server/service.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub struct ServerDescription {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `syncer` (bin "syncer" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/syncer-91c7cd37aefde0a2)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "63132d524e3326f195561fca2af36c87f062fd995363eba0934f8fed89f01825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63132d524e3326f195561fca2af36c87f062fd995363eba0934f8fed89f01825", kill_on_drop: false }`
[INFO] [stdout] 63132d524e3326f195561fca2af36c87f062fd995363eba0934f8fed89f01825