[INFO] crate r-graph 0.0.14 is already in cache
[INFO] checking r-graph-0.0.14 against try#d93021f5faa26e4f9d2719e79f9974e06aa40e17 for pr-71873
[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 d93021f5faa26e4f9d2719e79f9974e06aa40e17
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "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" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "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" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "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] 485529f570c678630c38aa8745c0a7e65470714a53d687289f760c08cbb0b263
[INFO] running `"docker" "start" "-a" "485529f570c678630c38aa8745c0a7e65470714a53d687289f760c08cbb0b263"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking libc v0.2.70
[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: associated function is never used: `new`
[INFO] [stderr]   --> src/dev/relative.rs:51:12
[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: associated function is never used: `merge`
[INFO] [stderr]   --> src/dev/relative.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn merge(&mut self, (key,value):(EdgeKey, Edge), other:Self) -> bool
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/dev/relative.rs:51:12
[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: associated function is never used: `merge`
[INFO] [stderr]   --> src/dev/relative.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn merge(&mut self, (key,value):(EdgeKey, Edge), other:Self) -> bool
[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" "485529f570c678630c38aa8745c0a7e65470714a53d687289f760c08cbb0b263"`
[INFO] running `"docker" "rm" "-f" "485529f570c678630c38aa8745c0a7e65470714a53d687289f760c08cbb0b263"`
[INFO] [stdout] 485529f570c678630c38aa8745c0a7e65470714a53d687289f760c08cbb0b263