[INFO] fetching crate r-graph 0.0.14...
[INFO] checking r-graph-0.0.14 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate r-graph 0.0.14 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate r-graph 0.0.14 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate r-graph 0.0.14
[INFO] finished tweaking crates.io crate r-graph 0.0.14
[INFO] tweaked toml for crates.io crate r-graph 0.0.14 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf7f2bf0acc320c416049fd79f4154b80d2eb657b078d1dd35b9a5f54810e175
[INFO] running `"docker" "start" "-a" "bf7f2bf0acc320c416049fd79f4154b80d2eb657b078d1dd35b9a5f54810e175"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking r-graph v0.0.14 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/dev/relative.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn new(vertex:Vertex) -> Self{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `merge`
[INFO] [stderr]   --> src/dev/relative.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 | /     pub fn merge(&mut self, (key,value):(EdgeKey, Edge), other:Self) -> bool
[INFO] [stderr] 64 | |         where
[INFO] [stderr] 65 | |             EdgeKey : Clone{
[INFO] [stderr] 66 | |         let to_conflict = self.node.write().unwrap().to.contains_key(&key);
[INFO] [stderr] ...  |
[INFO] [stderr] 73 | |         conflict
[INFO] [stderr] 74 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/dev/relative.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn new(vertex:Vertex) -> Self{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `merge`
[INFO] [stderr]   --> src/dev/relative.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 | /     pub fn merge(&mut self, (key,value):(EdgeKey, Edge), other:Self) -> bool
[INFO] [stderr] 64 | |         where
[INFO] [stderr] 65 | |             EdgeKey : Clone{
[INFO] [stderr] 66 | |         let to_conflict = self.node.write().unwrap().to.contains_key(&key);
[INFO] [stderr] ...  |
[INFO] [stderr] 73 | |         conflict
[INFO] [stderr] 74 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `"docker" "inspect" "bf7f2bf0acc320c416049fd79f4154b80d2eb657b078d1dd35b9a5f54810e175"`
[INFO] running `"docker" "rm" "-f" "bf7f2bf0acc320c416049fd79f4154b80d2eb657b078d1dd35b9a5f54810e175"`
[INFO] [stdout] bf7f2bf0acc320c416049fd79f4154b80d2eb657b078d1dd35b9a5f54810e175