[INFO] fetching crate traffic_generator 0.1.0...
[INFO] testing traffic_generator-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate traffic_generator 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate traffic_generator 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ws v0.9.1
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8ef72435d84171792d29752c72fd07b2bf8d3a43b452d6652223454c3bab345
[INFO] running `Command { std: "docker" "start" "-a" "d8ef72435d84171792d29752c72fd07b2bf8d3a43b452d6652223454c3bab345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8ef72435d84171792d29752c72fd07b2bf8d3a43b452d6652223454c3bab345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ef72435d84171792d29752c72fd07b2bf8d3a43b452d6652223454c3bab345", kill_on_drop: false }`
[INFO] [stdout] d8ef72435d84171792d29752c72fd07b2bf8d3a43b452d6652223454c3bab345
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fda503bd56dcf1f273be67b6920fe79c2176f3b927017fb91f47ac52895768d
[INFO] running `Command { std: "docker" "start" "-a" "2fda503bd56dcf1f273be67b6920fe79c2176f3b927017fb91f47ac52895768d", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.respository
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling ws v0.9.1
[INFO] [stderr]    Compiling hyper v0.14.11
[INFO] [stderr]    Compiling traffic_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `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]: this associated function takes 2 generic arguments but 1 generic argument was supplied
[INFO] [stdout]    --> src/main.rs:42:19
[INFO] [stdout]     |
[INFO] [stdout] 42  |         rate: rng.gen_range::<i32>(0, 3000),
[INFO] [stdout]     |                   ^^^^^^^^^   --- supplied 1 generic argument
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   expected 2 generic arguments
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here, with 2 generic parameters: `T`, `R`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.8.4/src/rng.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn gen_range<T, R>(&mut self, range: R) -> T
[INFO] [stdout]     |        ^^^^^^^^^ -  -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]     |
[INFO] [stdout] 42  |         rate: rng.gen_range::<i32, R>(0, 3000),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> src/main.rs:42:19
[INFO] [stdout]     |
[INFO] [stdout] 42  |         rate: rng.gen_range::<i32>(0, 3000),
[INFO] [stdout]     |                   ^^^^^^^^^        -  ---- supplied 2 arguments
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   expected 1 argument
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.8.4/src/rng.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn gen_range<T, R>(&mut self, range: R) -> T
[INFO] [stdout]     |        ^^^^^^^^^
[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 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0107, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `traffic_generator` due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2fda503bd56dcf1f273be67b6920fe79c2176f3b927017fb91f47ac52895768d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fda503bd56dcf1f273be67b6920fe79c2176f3b927017fb91f47ac52895768d", kill_on_drop: false }`
[INFO] [stdout] 2fda503bd56dcf1f273be67b6920fe79c2176f3b927017fb91f47ac52895768d
