[INFO] crate dmio 0.1.2 is already in cache
[INFO] checking dmio-0.1.2 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate dmio 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dmio 0.1.2 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate dmio 0.1.2
[INFO] finished tweaking crates.io crate dmio 0.1.2
[INFO] tweaked toml for crates.io crate dmio 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 717471a10a4ce5806e423e8111850582d7246bf132825a6ff3d743e05600779f
[INFO] running `"docker" "start" "-a" "717471a10a4ce5806e423e8111850582d7246bf132825a6ff3d743e05600779f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking dmio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/lib.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 mem::replace(array, new_data);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/lib.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 mem::replace(array, new_data);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.21s
[INFO] running `"docker" "inspect" "717471a10a4ce5806e423e8111850582d7246bf132825a6ff3d743e05600779f"`
[INFO] running `"docker" "rm" "-f" "717471a10a4ce5806e423e8111850582d7246bf132825a6ff3d743e05600779f"`
[INFO] [stdout] 717471a10a4ce5806e423e8111850582d7246bf132825a6ff3d743e05600779f