[INFO] fetching crate bitflags-core 0.3.4...
[INFO] checking bitflags-core-0.3.4 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate bitflags-core 0.3.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bitflags-core 0.3.4 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bitflags-core 0.3.4
[INFO] finished tweaking crates.io crate bitflags-core 0.3.4
[INFO] tweaked toml for crates.io crate bitflags-core 0.3.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] cddbc8afea51385ea7f13a1e5934c7985c9e01e940d9285a8e404e81ee129f7f
[INFO] running `"docker" "start" "-a" "cddbc8afea51385ea7f13a1e5934c7985c9e01e940d9285a8e404e81ee129f7f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking bitflags-core v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the feature `no_std` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | #![feature(no_std)]
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `no_std` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | #![feature(no_std)]
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` 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 0.19s
[INFO] running `"docker" "inspect" "cddbc8afea51385ea7f13a1e5934c7985c9e01e940d9285a8e404e81ee129f7f"`
[INFO] running `"docker" "rm" "-f" "cddbc8afea51385ea7f13a1e5934c7985c9e01e940d9285a8e404e81ee129f7f"`
[INFO] [stdout] cddbc8afea51385ea7f13a1e5934c7985c9e01e940d9285a8e404e81ee129f7f