[INFO] fetching crate hash40 0.4.2... [INFO] testing hash40-0.4.2 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate hash40 0.4.2 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate hash40 0.4.2 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate hash40 0.4.2 [INFO] finished tweaking crates.io crate hash40 0.4.2 [INFO] tweaked toml for crates.io crate hash40 0.4.2 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded compile-time-crc32-impl v0.1.0 [INFO] [stderr] Downloaded compile-time-crc32 v0.1.2 [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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 528f6512de7816f7e446584186354754099499129b3f5ed3661da56e9dc787ed [INFO] running `"docker" "start" "-a" "528f6512de7816f7e446584186354754099499129b3f5ed3661da56e9dc787ed"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling bimap v0.4.0 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling compile-time-crc32-impl v0.1.0 [INFO] [stderr] Compiling compile-time-crc32 v0.1.2 [INFO] [stderr] Compiling hash40 v0.4.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/private.rs:17:46 [INFO] [stderr] | [INFO] [stderr] 17 | pub static ref LABELS: Mutex = { Mutex::new(LabelMap::Unset) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.03s [INFO] running `"docker" "inspect" "528f6512de7816f7e446584186354754099499129b3f5ed3661da56e9dc787ed"` [INFO] running `"docker" "rm" "-f" "528f6512de7816f7e446584186354754099499129b3f5ed3661da56e9dc787ed"` [INFO] [stdout] 528f6512de7816f7e446584186354754099499129b3f5ed3661da56e9dc787ed [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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 050d259ede3901f30dd9394d03742cf2d41e84723ffcc4e9d6faa291aece64d3 [INFO] running `"docker" "start" "-a" "050d259ede3901f30dd9394d03742cf2d41e84723ffcc4e9d6faa291aece64d3"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling hash40 v0.4.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/private.rs:17:46 [INFO] [stderr] | [INFO] [stderr] 17 | pub static ref LABELS: Mutex = { Mutex::new(LabelMap::Unset) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/private.rs:17:46 [INFO] [stderr] | [INFO] [stderr] 17 | pub static ref LABELS: Mutex = { Mutex::new(LabelMap::Unset) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `"docker" "inspect" "050d259ede3901f30dd9394d03742cf2d41e84723ffcc4e9d6faa291aece64d3"` [INFO] running `"docker" "rm" "-f" "050d259ede3901f30dd9394d03742cf2d41e84723ffcc4e9d6faa291aece64d3"` [INFO] [stdout] 050d259ede3901f30dd9394d03742cf2d41e84723ffcc4e9d6faa291aece64d3 [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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 221d808ad3856e645080542bc16bc88efed37421a0a20d8d6e4bd57a11baf4e2 [INFO] running `"docker" "start" "-a" "221d808ad3856e645080542bc16bc88efed37421a0a20d8d6e4bd57a11baf4e2"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/private.rs:17:46 [INFO] [stderr] | [INFO] [stderr] 17 | pub static ref LABELS: Mutex = { Mutex::new(LabelMap::Unset) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/private.rs:17:46 [INFO] [stderr] | [INFO] [stderr] 17 | pub static ref LABELS: Mutex = { Mutex::new(LabelMap::Unset) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/hash40-329677d7d160b777 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests hash40 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "221d808ad3856e645080542bc16bc88efed37421a0a20d8d6e4bd57a11baf4e2"` [INFO] running `"docker" "rm" "-f" "221d808ad3856e645080542bc16bc88efed37421a0a20d8d6e4bd57a11baf4e2"` [INFO] [stdout] 221d808ad3856e645080542bc16bc88efed37421a0a20d8d6e4bd57a11baf4e2