[INFO] updating cached repository https://github.com/spirali/rsds
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/spirali/rsds
[INFO] [stderr]  * [new branch]      dev2       -> dev2
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad8fd8dffc76a5a74b20cd16498a855c2379c4d6
[INFO] checking spirali/rsds against master#4007d4ef26eab44bdabc2b7574d032152264d3ad for pr-66919
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspirali%2Frsds" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spirali/rsds on toolchain 4007d4ef26eab44bdabc2b7574d032152264d3ad
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/spirali/rsds
[INFO] finished tweaking git repo https://github.com/spirali/rsds
[INFO] tweaked toml for git repo https://github.com/spirali/rsds written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/spirali/rsds already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d0b4d52d4647afdffdc81f308103e478e53b6060c8cab1c5c169c8dfdaf83eec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d0b4d52d4647afdffdc81f308103e478e53b6060c8cab1c5c169c8dfdaf83eec"`
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tracing-core v0.1.5
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.4
[INFO] [stderr]     Checking rmp v0.8.8
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.4
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.4
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.4
[INFO] [stderr]     Checking tracing v0.1.8
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.4
[INFO] [stderr]     Checking structopt v0.3.1
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.4
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.4
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.4
[INFO] [stderr]     Checking tokio v0.2.0-alpha.4
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_bytes v0.11.2
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking serde-tuple-vec-map v0.2.1
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]     Checking rsds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/common/wrapped.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn new(value: Rc<T>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/common/wrapped.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn get(&self) -> &Rc<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `SchedulerTaskState`
[INFO] [stderr]  --> src/scheduler/implementation/task.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum SchedulerTaskState {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Task`
[INFO] [stderr]   --> src/scheduler/implementation/task.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Task {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `TaskRef`
[INFO] [stderr]   --> src/scheduler/implementation/task.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub type TaskRef = crate::common::WrappedRcRefCell<Task>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/scheduler/implementation/task.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(id: TaskId, inputs: Vec<TaskRef>, unfinished_deps: u32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/common/wrapped.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn new(value: Rc<T>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/common/wrapped.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn get(&self) -> &Rc<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `SchedulerTaskState`
[INFO] [stderr]  --> src/scheduler/implementation/task.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum SchedulerTaskState {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Task`
[INFO] [stderr]   --> src/scheduler/implementation/task.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Task {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `TaskRef`
[INFO] [stderr]   --> src/scheduler/implementation/task.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub type TaskRef = crate::common::WrappedRcRefCell<Task>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/scheduler/implementation/task.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(id: TaskId, inputs: Vec<TaskRef>, unfinished_deps: u32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 15s
[INFO] running `"docker" "inspect" "d0b4d52d4647afdffdc81f308103e478e53b6060c8cab1c5c169c8dfdaf83eec"`
[INFO] running `"docker" "rm" "-f" "d0b4d52d4647afdffdc81f308103e478e53b6060c8cab1c5c169c8dfdaf83eec"`
[INFO] [stdout] d0b4d52d4647afdffdc81f308103e478e53b6060c8cab1c5c169c8dfdaf83eec