[INFO] cloning repository https://github.com/rulonder/swath
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rulonder/swath" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frulonder%2Fswath", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frulonder%2Fswath'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f5d44e8fcc531a5147f4eca3f773c7eb9229dce
[INFO] testing rulonder/swath against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frulonder%2Fswath" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rulonder/swath on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rulonder/swath
[INFO] finished tweaking git repo https://github.com/rulonder/swath
[INFO] tweaked toml for git repo https://github.com/rulonder/swath written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rulonder/swath already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a38f303a76efa7995a1e57bd3c4671354d761d4aa19da9c8e78216e3d0e95012
[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" "a38f303a76efa7995a1e57bd3c4671354d761d4aa19da9c8e78216e3d0e95012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a38f303a76efa7995a1e57bd3c4671354d761d4aa19da9c8e78216e3d0e95012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38f303a76efa7995a1e57bd3c4671354d761d4aa19da9c8e78216e3d0e95012", kill_on_drop: false }`
[INFO] [stdout] a38f303a76efa7995a1e57bd3c4671354d761d4aa19da9c8e78216e3d0e95012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 3a6460017f5be3eb920efca1b230728e13a4780d4b00605780f0a7b3071414c8
[INFO] running `Command { std: "docker" "start" "-a" "3a6460017f5be3eb920efca1b230728e13a4780d4b00605780f0a7b3071414c8", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling simba v0.3.1
[INFO] [stderr]    Compiling rand_distr v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]    Compiling js-sys v0.3.46
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling web-sys v0.3.46
[INFO] [stderr]    Compiling nalgebra v0.23.1
[INFO] [stderr]    Compiling swath-tools v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "3a6460017f5be3eb920efca1b230728e13a4780d4b00605780f0a7b3071414c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6460017f5be3eb920efca1b230728e13a4780d4b00605780f0a7b3071414c8", kill_on_drop: false }`
[INFO] [stdout] 3a6460017f5be3eb920efca1b230728e13a4780d4b00605780f0a7b3071414c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17d1e22c3315363f158811d87c9aa57830ed1e9f0e7dac6bd89fb17747b2594a
[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" "17d1e22c3315363f158811d87c9aa57830ed1e9f0e7dac6bd89fb17747b2594a", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.19
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.19
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling swath-tools v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0220]: associated type `Item` not found for `futures::Future`
[INFO] [stdout]   --> tests/app.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue> {
[INFO] [stdout]    |                                ^^^^ associated type `Item` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `futures::Future`
[INFO] [stdout]   --> tests/app.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue> {
[INFO] [stdout]    |                                           ^^^^^ associated type `Error` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/app.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             assert_eq!(x, 42);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found integer
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `std::result::Result<JsValue, JsValue>`
[INFO] [stdout]               found type `{integer}`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<impl futures::Future as futures::Future>::Output == ()`
[INFO] [stdout]   --> tests/app.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[wasm_bindgen_test(async)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected associated type, found `()`
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue> {
[INFO] [stdout]    |                    --------------------------------------- the expected opaque type
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected associated type `<impl futures::Future as futures::Future>::Output`
[INFO] [stdout]                     found unit type `()`
[INFO] [stdout]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider constraining the associated type `<impl futures::Future as futures::Future>::Output` to `()`
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue, Output = ()> {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0220, E0271, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0220`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `swath-tools`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "17d1e22c3315363f158811d87c9aa57830ed1e9f0e7dac6bd89fb17747b2594a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d1e22c3315363f158811d87c9aa57830ed1e9f0e7dac6bd89fb17747b2594a", kill_on_drop: false }`
[INFO] [stdout] 17d1e22c3315363f158811d87c9aa57830ed1e9f0e7dac6bd89fb17747b2594a