[INFO] fetching crate traffic_generator 0.1.0...
[INFO] testing traffic_generator-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate traffic_generator 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate traffic_generator 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: package.respository
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2b05bdec357e98d75af0902d4e3f7e6a38e31dc62bd36410a2329f6e9176789
[INFO] running `"docker" "start" "-a" "b2b05bdec357e98d75af0902d4e3f7e6a38e31dc62bd36410a2329f6e9176789"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused manifest key: package.respository
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling ws v0.9.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.19
[INFO] [stderr]    Compiling pin-project v0.4.19
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]    Compiling traffic_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:62:32
[INFO] [stderr]    |
[INFO] [stderr] 62 |         if let Some(ip_addr) = try!(shake.remote_addr()) {
[INFO] [stderr]    |                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 3, found 1
[INFO] [stderr]   --> src/main.rs:42:19
[INFO] [stderr]    |
[INFO] [stderr] 42 |         rate: rng.gen_range::<i32>(0, 3000),
[INFO] [stderr]    |                   ^^^^^^^^^ expected 3 type arguments
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `unwrap` found for unit type `()` in the current scope
[INFO] [stderr]   --> src/main.rs:87:24
[INFO] [stderr]    |
[INFO] [stderr] 87 |     env_logger::init().unwrap();
[INFO] [stderr]    |                        ^^^^^^ method not found in `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0107, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0107`.
[INFO] [stderr] error: could not compile `traffic_generator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b2b05bdec357e98d75af0902d4e3f7e6a38e31dc62bd36410a2329f6e9176789"`
[INFO] running `"docker" "rm" "-f" "b2b05bdec357e98d75af0902d4e3f7e6a38e31dc62bd36410a2329f6e9176789"`
[INFO] [stdout] b2b05bdec357e98d75af0902d4e3f7e6a38e31dc62bd36410a2329f6e9176789