[INFO] fetching crate riker-dispatcher 0.2.4...
[INFO] checking riker-dispatcher-0.2.4 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] extracting crate riker-dispatcher 0.2.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate riker-dispatcher 0.2.4 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate riker-dispatcher 0.2.4
[INFO] finished tweaking crates.io crate riker-dispatcher 0.2.4
[INFO] tweaked toml for crates.io crate riker-dispatcher 0.2.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36bdf6cd988a7f6b4c22e5e294bcd9f7bdb02d51625f039067d13b9b6d346ef0
[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" "36bdf6cd988a7f6b4c22e5e294bcd9f7bdb02d51625f039067d13b9b6d346ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36bdf6cd988a7f6b4c22e5e294bcd9f7bdb02d51625f039067d13b9b6d346ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36bdf6cd988a7f6b4c22e5e294bcd9f7bdb02d51625f039067d13b9b6d346ef0", kill_on_drop: false }`
[INFO] [stdout] 36bdf6cd988a7f6b4c22e5e294bcd9f7bdb02d51625f039067d13b9b6d346ef0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2549835aa2b9150d7f7454b1a4e5b6bf79f1ea4d36d4e6359e3072e4913c1302
[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" "2549835aa2b9150d7f7454b1a4e5b6bf79f1ea4d36d4e6359e3072e4913c1302", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking riker v0.2.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/riker-0.2.4/src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |         await_macro,
[INFO] [stdout]   |         ^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `.await` syntax
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/riker-0.2.4/src/kernel/kernel.rs:257:29
[INFO] [stdout]     |
[INFO] [stdout] 257 |                     let _ = await!(AssertUnwindSafe(f).catch_unwind());
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `AssertUnwindSafe(f).catch_unwind().await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `riker`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2549835aa2b9150d7f7454b1a4e5b6bf79f1ea4d36d4e6359e3072e4913c1302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2549835aa2b9150d7f7454b1a4e5b6bf79f1ea4d36d4e6359e3072e4913c1302", kill_on_drop: false }`
[INFO] [stdout] 2549835aa2b9150d7f7454b1a4e5b6bf79f1ea4d36d4e6359e3072e4913c1302