[INFO] fetching crate mediator 0.2.0...
[INFO] testing mediator-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mediator 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mediator 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mediator 0.2.0
[INFO] finished tweaking crates.io crate mediator 0.2.0
[INFO] tweaked toml for crates.io crate mediator 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8136d861c03f168cba13567eeacc05f3436d08e1dc9a7a3d5d52f238eacc0949
[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" "8136d861c03f168cba13567eeacc05f3436d08e1dc9a7a3d5d52f238eacc0949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8136d861c03f168cba13567eeacc05f3436d08e1dc9a7a3d5d52f238eacc0949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8136d861c03f168cba13567eeacc05f3436d08e1dc9a7a3d5d52f238eacc0949", kill_on_drop: false }`
[INFO] [stdout] 8136d861c03f168cba13567eeacc05f3436d08e1dc9a7a3d5d52f238eacc0949
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e715919804f75870ee87cc471331eb96b153d7d10934c34115a79098ce1bb5ef
[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" "e715919804f75870ee87cc471331eb96b153d7d10934c34115a79098ce1bb5ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling mediator v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "e715919804f75870ee87cc471331eb96b153d7d10934c34115a79098ce1bb5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e715919804f75870ee87cc471331eb96b153d7d10934c34115a79098ce1bb5ef", kill_on_drop: false }`
[INFO] [stdout] e715919804f75870ee87cc471331eb96b153d7d10934c34115a79098ce1bb5ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb73bc178538dc31d5daf08d5109bf48e4f1b944567937048a63b9ef9d080e7f
[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" "cb73bc178538dc31d5daf08d5109bf48e4f1b944567937048a63b9ef9d080e7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mediator v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::box_stream`
[INFO] [stdout]    --> src/default_impls/mediator_impl.rs:700:17
[INFO] [stdout]     |
[INFO] [stdout] 700 |     use crate::{box_stream, DefaultMediator, Event, EventHandler, Mediator, Request, RequestHandler};
[INFO] [stdout]     |                 ^^^^^^^^^^ no `box_stream` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]    --> src/default_impls/mediator_impl.rs:701:9
[INFO] [stdout]     |
[INFO] [stdout] 701 |     use std::ops::Range;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]    --> src/default_impls/mediator_impl.rs:703:21
[INFO] [stdout]     |
[INFO] [stdout] 703 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                     ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mediator` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cb73bc178538dc31d5daf08d5109bf48e4f1b944567937048a63b9ef9d080e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb73bc178538dc31d5daf08d5109bf48e4f1b944567937048a63b9ef9d080e7f", kill_on_drop: false }`
[INFO] [stdout] cb73bc178538dc31d5daf08d5109bf48e4f1b944567937048a63b9ef9d080e7f