[INFO] fetching crate actix 0.11.0-beta.1...
[INFO] building actix-0.11.0-beta.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate actix 0.11.0-beta.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate actix 0.11.0-beta.1 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 crates.io crate actix 0.11.0-beta.1
[INFO] finished tweaking crates.io crate actix 0.11.0-beta.1
[INFO] tweaked toml for crates.io crate actix 0.11.0-beta.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate actix 0.11.0-beta.1 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 675fcb1e7c49913eeeb88a7d0e859a202ffc3185383627ccd671c9e84784e89c
[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" "675fcb1e7c49913eeeb88a7d0e859a202ffc3185383627ccd671c9e84784e89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "675fcb1e7c49913eeeb88a7d0e859a202ffc3185383627ccd671c9e84784e89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675fcb1e7c49913eeeb88a7d0e859a202ffc3185383627ccd671c9e84784e89c", kill_on_drop: false }`
[INFO] [stdout] 675fcb1e7c49913eeeb88a7d0e859a202ffc3185383627ccd671c9e84784e89c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee1e935d458b3173b2f5f8eb1dda310cd44b757d2a45f7a3318c9e2c1d380084
[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" "ee1e935d458b3173b2f5f8eb1dda310cd44b757d2a45f7a3318c9e2c1d380084", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling tokio-stream v0.1.0
[INFO] [stderr]    Compiling trust-dns-proto v0.20.0
[INFO] [stderr]    Compiling actix-rt v2.0.0-beta.1
[INFO] [stderr]    Compiling tokio-util v0.6.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.20.0
[INFO] [stderr]    Compiling actix v0.11.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.49s
[INFO] running `Command { std: "docker" "inspect" "ee1e935d458b3173b2f5f8eb1dda310cd44b757d2a45f7a3318c9e2c1d380084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1e935d458b3173b2f5f8eb1dda310cd44b757d2a45f7a3318c9e2c1d380084", kill_on_drop: false }`
[INFO] [stdout] ee1e935d458b3173b2f5f8eb1dda310cd44b757d2a45f7a3318c9e2c1d380084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 0e68e1a13bf842b6e437ed92077d756b73fe0879dad50e3e971c827b62d10e4f
[INFO] running `Command { std: "docker" "start" "-a" "0e68e1a13bf842b6e437ed92077d756b73fe0879dad50e3e971c827b62d10e4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling actix v0.11.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_util`
[INFO] [stdout]  --> tests/test_context.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures_util::stream::once;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_util`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `once` in this scope
[INFO] [stdout]    --> tests/test_context.rs:366:43
[INFO] [stdout]     |
[INFO] [stdout] 366 |                 ContextHandle::add_stream(once(async { Ping }), ctx).into_usize(),
[INFO] [stdout]     |                                           ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 2   | use core::iter::once;
[INFO] [stdout]     |
[INFO] [stdout] 2   | use crate::io::io::sys::rand::mem::fmt::result::iter::once;
[INFO] [stdout]     |
[INFO] [stdout] 2   | use std::iter::once;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `once` in this scope
[INFO] [stdout]    --> tests/test_context.rs:388:32
[INFO] [stdout]     |
[INFO] [stdout] 388 |                 ctx.add_stream(once(async { Ping })).into_usize(),
[INFO] [stdout]     |                                ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 2   | use core::iter::once;
[INFO] [stdout]     |
[INFO] [stdout] 2   | use crate::io::io::sys::rand::mem::fmt::result::iter::once;
[INFO] [stdout]     |
[INFO] [stdout] 2   | use std::iter::once;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_util`
[INFO] [stdout]   --> tests/test_fut.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut s = futures_util::stream::FuturesOrdered::new();
[INFO] [stdout]    |                     ^^^^^^^^^^^^ use of undeclared crate or module `futures_util`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `actix`
[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] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0e68e1a13bf842b6e437ed92077d756b73fe0879dad50e3e971c827b62d10e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e68e1a13bf842b6e437ed92077d756b73fe0879dad50e3e971c827b62d10e4f", kill_on_drop: false }`
[INFO] [stdout] 0e68e1a13bf842b6e437ed92077d756b73fe0879dad50e3e971c827b62d10e4f