[INFO] fetching crate simbol-server 1.1.0...
[INFO] checking simbol-server-1.1.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate simbol-server 1.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate simbol-server 1.1.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate simbol-server 1.1.0
[INFO] finished tweaking crates.io crate simbol-server 1.1.0
[INFO] tweaked toml for crates.io crate simbol-server 1.1.0 written to /workspace/builds/worker-11/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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 8da4a9b0fc06cf903db5313aa5ec3e7fcbe6bbbc0719fdf3c238864753f470f9
[INFO] running `"docker" "start" "-a" "8da4a9b0fc06cf903db5313aa5ec3e7fcbe6bbbc0719fdf3c238864753f470f9"`
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking ws v0.7.9
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]     Checking iron-cors v0.8.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]     Checking simbol-server v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/multivp.rs:140:86
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let connections = Connections::new(RefCell::new(Vec::with_capacity(10_000)));;
[INFO] [stderr]     |                                                                                      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/multivp.rs:140:86
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let connections = Connections::new(RefCell::new(Vec::with_capacity(10_000)));;
[INFO] [stderr]     |                                                                                      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/multivp.rs:82:37
[INFO] [stderr]    |
[INFO] [stderr] 82 | ...                   connection.send(msg);
[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/multivp.rs:112:21
[INFO] [stderr]     |
[INFO] [stderr] 112 |                     connection.send(msg);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/multivp.rs:82:37
[INFO] [stderr]    |
[INFO] [stderr] 82 | ...                   connection.send(msg);
[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/multivp.rs:112:21
[INFO] [stderr]     |
[INFO] [stderr] 112 |                     connection.send(msg);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.92s
[INFO] running `"docker" "inspect" "8da4a9b0fc06cf903db5313aa5ec3e7fcbe6bbbc0719fdf3c238864753f470f9"`
[INFO] running `"docker" "rm" "-f" "8da4a9b0fc06cf903db5313aa5ec3e7fcbe6bbbc0719fdf3c238864753f470f9"`
[INFO] [stdout] 8da4a9b0fc06cf903db5313aa5ec3e7fcbe6bbbc0719fdf3c238864753f470f9