[INFO] crate traffic_generator 0.1.0 is already in cache
[INFO] testing traffic_generator-0.1.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate traffic_generator 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate traffic_generator 0.1.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate traffic_generator 0.1.0
[INFO] finished tweaking crates.io crate traffic_generator 0.1.0
[INFO] tweaked toml for crates.io crate traffic_generator 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.respository
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d0bc73083e6a63534a80aa9dd7c45ca22b5da93e34bc6848ba7aab6fe647f93
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3d0bc73083e6a63534a80aa9dd7c45ca22b5da93e34bc6848ba7aab6fe647f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d0bc73083e6a63534a80aa9dd7c45ca22b5da93e34bc6848ba7aab6fe647f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d0bc73083e6a63534a80aa9dd7c45ca22b5da93e34bc6848ba7aab6fe647f93", kill_on_drop: false }`
[INFO] [stdout] 3d0bc73083e6a63534a80aa9dd7c45ca22b5da93e34bc6848ba7aab6fe647f93
[INFO] running `Command { std: "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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 282fe4a1817f902b5614657c4dd1c3e2711860936769f39e7aa01b540ab242d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "282fe4a1817f902b5614657c4dd1c3e2711860936769f39e7aa01b540ab242d5", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.respository
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling ws v0.9.1
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling traffic_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |         if let Some(ip_addr) = try!(shake.remote_addr()) {
[INFO] [stdout]    |                                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 3, found 1
[INFO] [stdout]   --> src/main.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |         rate: rng.gen_range::<i32>(0, 3000),
[INFO] [stdout]    |                   ^^^^^^^^^ expected 3 type arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for unit type `()` in the current scope
[INFO] [stdout]   --> src/main.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |     env_logger::init().unwrap();
[INFO] [stdout]    |                        ^^^^^^ method not found in `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `traffic_generator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "282fe4a1817f902b5614657c4dd1c3e2711860936769f39e7aa01b540ab242d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282fe4a1817f902b5614657c4dd1c3e2711860936769f39e7aa01b540ab242d5", kill_on_drop: false }`
[INFO] [stdout] 282fe4a1817f902b5614657c4dd1c3e2711860936769f39e7aa01b540ab242d5