[INFO] cloning repository https://github.com/rfwatson/rust-stream-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rfwatson/rust-stream-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfwatson%2Frust-stream-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfwatson%2Frust-stream-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2059457a56a4742f1255a0c804396debc7343ac7
[INFO] testing rfwatson/rust-stream-example against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfwatson%2Frust-stream-example" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rfwatson/rust-stream-example 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 git repo https://github.com/rfwatson/rust-stream-example
[INFO] finished tweaking git repo https://github.com/rfwatson/rust-stream-example
[INFO] tweaked toml for git repo https://github.com/rfwatson/rust-stream-example written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rfwatson/rust-stream-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 97a514f00e1af6dcf10dd702a540b200313e31e303833ee759aa42145765cd87
[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" "97a514f00e1af6dcf10dd702a540b200313e31e303833ee759aa42145765cd87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97a514f00e1af6dcf10dd702a540b200313e31e303833ee759aa42145765cd87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a514f00e1af6dcf10dd702a540b200313e31e303833ee759aa42145765cd87", kill_on_drop: false }`
[INFO] [stdout] 97a514f00e1af6dcf10dd702a540b200313e31e303833ee759aa42145765cd87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cfd3b93f330242aff2c71ff5f4dbf33ba73579559384e70b3421adb5a533e7c8
[INFO] running `Command { std: "docker" "start" "-a" "cfd3b93f330242aff2c71ff5f4dbf33ba73579559384e70b3421adb5a533e7c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling stream-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/main.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     type Item = &[f32];
[INFO] [stdout]    |                 ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] 36 |     type Item<'a> = &'a [f32];
[INFO] [stdout]    |              ^^^^   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:57:30
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Poll::Ready(Some(result))
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              expected `&[f32]`, found struct `std::vec::Vec`
[INFO] [stdout]    |                              help: consider borrowing here: `&result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&[f32]`
[INFO] [stdout]                  found struct `std::vec::Vec<{float}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stream-example`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "cfd3b93f330242aff2c71ff5f4dbf33ba73579559384e70b3421adb5a533e7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd3b93f330242aff2c71ff5f4dbf33ba73579559384e70b3421adb5a533e7c8", kill_on_drop: false }`
[INFO] [stdout] cfd3b93f330242aff2c71ff5f4dbf33ba73579559384e70b3421adb5a533e7c8