[INFO] crate basic-pathfinding 0.2.8 is already in cache
[INFO] checking basic-pathfinding-0.2.8 against try#5fae8f15a4dcfce640ee800a4d495673524b0a4d for pr-71814
[INFO] extracting crate basic-pathfinding 0.2.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate basic-pathfinding 0.2.8 on toolchain 5fae8f15a4dcfce640ee800a4d495673524b0a4d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5fae8f15a4dcfce640ee800a4d495673524b0a4d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate basic-pathfinding 0.2.8
[INFO] finished tweaking crates.io crate basic-pathfinding 0.2.8
[INFO] tweaked toml for crates.io crate basic-pathfinding 0.2.8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5fae8f15a4dcfce640ee800a4d495673524b0a4d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5fae8f15a4dcfce640ee800a4d495673524b0a4d" "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" "+5fae8f15a4dcfce640ee800a4d495673524b0a4d" "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] 826ba64cc59e4132cd713601d62149d8f489f9a32d2b313ca2391e2e1c373e2f
[INFO] running `"docker" "start" "-a" "826ba64cc59e4132cd713601d62149d8f489f9a32d2b313ca2391e2e1c373e2f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking basic-pathfinding v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/to_coord_map.rs:7:9
[INFO] [stderr]    |
[INFO] [stderr] 7  |     let mut map = ::std::collections::HashMap::new();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 15 |   let map = to_coord_map(hashmap![], vec![
[INFO] [stderr]    |                          ---------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.53s
[INFO] running `"docker" "inspect" "826ba64cc59e4132cd713601d62149d8f489f9a32d2b313ca2391e2e1c373e2f"`
[INFO] running `"docker" "rm" "-f" "826ba64cc59e4132cd713601d62149d8f489f9a32d2b313ca2391e2e1c373e2f"`
[INFO] [stdout] 826ba64cc59e4132cd713601d62149d8f489f9a32d2b313ca2391e2e1c373e2f