[INFO] crate sprs-ldl 0.5.0 is already in cache
[INFO] checking sprs-ldl-0.5.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate sprs-ldl 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sprs-ldl 0.5.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sprs-ldl 0.5.0
[INFO] finished tweaking crates.io crate sprs-ldl 0.5.0
[INFO] tweaked toml for crates.io crate sprs-ldl 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] bbc3e4976b95cb0e7f92f60b6181fbfcf851d1723b2087cb8416e4a757ad122c
[INFO] running `"docker" "start" "-a" "bbc3e4976b95cb0e7f92f60b6181fbfcf851d1723b2087cb8416e4a757ad122c"`
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ndarray v0.13.0
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking sprs v0.7.1
[INFO] [stderr]     Checking sprs-ldl v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/lib.rs:392:9
[INFO] [stderr]     |
[INFO] [stderr] 392 |         'pattern: for &i in pattern_workspace.iter_right() {
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/lib.rs:392:9
[INFO] [stderr]     |
[INFO] [stderr] 392 |         'pattern: for &i in pattern_workspace.iter_right() {
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.20s
[INFO] running `"docker" "inspect" "bbc3e4976b95cb0e7f92f60b6181fbfcf851d1723b2087cb8416e4a757ad122c"`
[INFO] running `"docker" "rm" "-f" "bbc3e4976b95cb0e7f92f60b6181fbfcf851d1723b2087cb8416e4a757ad122c"`
[INFO] [stdout] bbc3e4976b95cb0e7f92f60b6181fbfcf851d1723b2087cb8416e4a757ad122c