[INFO] fetching crate agilulf_protocol 0.1.0...
[INFO] checking agilulf_protocol-0.1.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate agilulf_protocol 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate agilulf_protocol 0.1.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate agilulf_protocol 0.1.0
[INFO] finished tweaking crates.io crate agilulf_protocol 0.1.0
[INFO] tweaked toml for crates.io crate agilulf_protocol 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 8a2c8275d428664a2ceb9e7c57e5b7e70a1d58952a01f1b07454ea8bcaa7736f
[INFO] running `"docker" "start" "-a" "8a2c8275d428664a2ceb9e7c57e5b7e70a1d58952a01f1b07454ea8bcaa7736f"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking romio v0.3.0-alpha.9
[INFO] [stderr]     Checking agilulf_protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | #![feature(async_await)]
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `type_alias_enum_variants` has been stable since 1.37.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | #![feature(type_alias_enum_variants)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | #![feature(async_await)]
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `type_alias_enum_variants` has been stable since 1.37.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | #![feature(type_alias_enum_variants)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.37s
[INFO] running `"docker" "inspect" "8a2c8275d428664a2ceb9e7c57e5b7e70a1d58952a01f1b07454ea8bcaa7736f"`
[INFO] running `"docker" "rm" "-f" "8a2c8275d428664a2ceb9e7c57e5b7e70a1d58952a01f1b07454ea8bcaa7736f"`
[INFO] [stdout] 8a2c8275d428664a2ceb9e7c57e5b7e70a1d58952a01f1b07454ea8bcaa7736f