[INFO] crate chord 0.1.3 is already in cache
[INFO] checking chord-0.1.3 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate chord 0.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate chord 0.1.3 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate chord 0.1.3
[INFO] finished tweaking crates.io crate chord 0.1.3
[INFO] tweaked toml for crates.io crate chord 0.1.3 written to /workspace/builds/worker-5/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 6da296da428f367e4a1e6dd43aeb9eb2491c627b9ce3890e29b0c5a06290ac8a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6da296da428f367e4a1e6dd43aeb9eb2491c627b9ce3890e29b0c5a06290ac8a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking chunked_transfer v1.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking nanoid v0.3.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking ureq v0.11.4
[INFO] [stderr]     Checking chord v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         file.write_all(res.as_bytes());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         file.write_all(res.as_bytes());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[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 20.70s
[INFO] running `"docker" "inspect" "6da296da428f367e4a1e6dd43aeb9eb2491c627b9ce3890e29b0c5a06290ac8a"`
[INFO] running `"docker" "rm" "-f" "6da296da428f367e4a1e6dd43aeb9eb2491c627b9ce3890e29b0c5a06290ac8a"`
[INFO] [stdout] 6da296da428f367e4a1e6dd43aeb9eb2491c627b9ce3890e29b0c5a06290ac8a