[INFO] fetching crate in_stream 0.0.49-alpha1...
[INFO] checking in_stream-0.0.49-alpha1 against try#4662032ab74cd44d423120d08d251dfead4914a0 for pr-72788
[INFO] extracting crate in_stream 0.0.49-alpha1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate in_stream 0.0.49-alpha1 on toolchain 4662032ab74cd44d423120d08d251dfead4914a0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate in_stream 0.0.49-alpha1
[INFO] finished tweaking crates.io crate in_stream 0.0.49-alpha1
[INFO] tweaked toml for crates.io crate in_stream 0.0.49-alpha1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded url2 v0.0.4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+4662032ab74cd44d423120d08d251dfead4914a0" "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] 4a59c3086559cdc404e6d09160b61ff1611ef12c76e51fb8df7fdd6cc74308f4
[INFO] running `"docker" "start" "-a" "4a59c3086559cdc404e6d09160b61ff1611ef12c76e51fb8df7fdd6cc74308f4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking url2 v0.0.4
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking nanoid v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking in_stream v0.0.49-alpha1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> src/mem.rs:359:9
[INFO] [stderr]     |
[INFO] [stderr] 359 |         { parking_lot::Mutex::new(MemManager::new()) };
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> src/mem.rs:359:9
[INFO] [stderr]     |
[INFO] [stderr] 359 |         { parking_lot::Mutex::new(MemManager::new()) };
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.76s
[INFO] running `"docker" "inspect" "4a59c3086559cdc404e6d09160b61ff1611ef12c76e51fb8df7fdd6cc74308f4"`
[INFO] running `"docker" "rm" "-f" "4a59c3086559cdc404e6d09160b61ff1611ef12c76e51fb8df7fdd6cc74308f4"`
[INFO] [stdout] 4a59c3086559cdc404e6d09160b61ff1611ef12c76e51fb8df7fdd6cc74308f4