[INFO] cloning repository https://github.com/jonkgrimes/juno-server
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonkgrimes/juno-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonkgrimes%2Fjuno-server"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonkgrimes%2Fjuno-server'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4c8ede93369c56bff09a3ef45e405715a786a5bf
[INFO] checking jonkgrimes/juno-server against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonkgrimes%2Fjuno-server" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonkgrimes/juno-server on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jonkgrimes/juno-server
[INFO] finished tweaking git repo https://github.com/jonkgrimes/juno-server
[INFO] tweaked toml for git repo https://github.com/jonkgrimes/juno-server written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jonkgrimes/juno-server already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d4f1309e490f3852dbb1c3eb166e4c25bfc92e895154820b98785fd57e0c766f
[INFO] running `"docker" "start" "-a" "d4f1309e490f3852dbb1c3eb166e4c25bfc92e895154820b98785fd57e0c766f"`
[INFO] [stderr]     Checking crossbeam-utils v0.4.1
[INFO] [stderr]     Checking socket2 v0.3.7
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling actix-web v0.7.3
[INFO] [stderr]     Checking slug v0.1.3
[INFO] [stderr]     Checking smallvec v0.6.3
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking http v0.1.8
[INFO] [stderr]     Checking r2d2 v0.8.2
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]     Checking mio-uds v0.6.6
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]     Checking miniz-sys v0.1.10
[INFO] [stderr]     Checking env_logger v0.5.11
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking chrono v0.4.5
[INFO] [stderr]    Compiling diesel_derives v1.3.0
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking crossbeam-epoch v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking error-chain v0.1.12
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.2
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking parking_lot v0.6.3
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-signal v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.2.3
[INFO] [stderr]     Checking dotenv v0.9.0
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking trust-dns-proto v0.4.0
[INFO] [stderr]     Checking tera v0.11.11
[INFO] [stderr]     Checking h2 v0.1.11
[INFO] [stderr]     Checking diesel v1.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking trust-dns-resolver v0.9.0
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling actix_derive v0.3.0
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking actix v0.7.3
[INFO] [stderr]     Checking juno-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/agent_server.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             session.do_send(Message(message.to_owned()));
[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/agent_server.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             session.do_send(Message(message.to_owned()));
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `"docker" "inspect" "d4f1309e490f3852dbb1c3eb166e4c25bfc92e895154820b98785fd57e0c766f"`
[INFO] running `"docker" "rm" "-f" "d4f1309e490f3852dbb1c3eb166e4c25bfc92e895154820b98785fd57e0c766f"`
[INFO] [stdout] d4f1309e490f3852dbb1c3eb166e4c25bfc92e895154820b98785fd57e0c766f