[INFO] crate simbol-server 1.1.0 is already in cache
[INFO] checking simbol-server-1.1.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate simbol-server 1.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate simbol-server 1.1.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 5abbac16bfc09ba10e18cb763dd4c587d118e38773df6c531f875902895d6b07
[INFO] running `"docker" "start" "-a" "5abbac16bfc09ba10e18cb763dd4c587d118e38773df6c531f875902895d6b07"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking openssl v0.10.29
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking ws v0.7.9
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking iron-cors v0.8.0
[INFO] [stderr]     Checking router v0.6.0
[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_semicolons)]` 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_semicolons)]` 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 21.50s
[INFO] running `"docker" "inspect" "5abbac16bfc09ba10e18cb763dd4c587d118e38773df6c531f875902895d6b07"`
[INFO] running `"docker" "rm" "-f" "5abbac16bfc09ba10e18cb763dd4c587d118e38773df6c531f875902895d6b07"`
[INFO] [stdout] 5abbac16bfc09ba10e18cb763dd4c587d118e38773df6c531f875902895d6b07