[INFO] crate aktors 0.2.5 is already in cache
[INFO] checking aktors-0.2.5 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate aktors 0.2.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate aktors 0.2.5 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate aktors 0.2.5
[INFO] finished tweaking crates.io crate aktors 0.2.5
[INFO] tweaked toml for crates.io crate aktors 0.2.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 12097f244bf79fd0bf29990e00e4c277d9bced102ccdbe695c18553f857fc701
[INFO] running `"docker" "start" "-a" "12097f244bf79fd0bf29990e00e4c277d9bced102ccdbe695c18553f857fc701"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]     Checking tokio v0.2.17
[INFO] [stderr]     Checking aktors v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/actor.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Sender`, `channel`, `error::TryRecvError`
[INFO] [stderr]  --> src/actor.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tokio::sync::mpsc::{channel, Receiver, Sender, error::TryRecvError};
[INFO] [stderr]   |                         ^^^^^^^            ^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/actor.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Sender`, `channel`, `error::TryRecvError`
[INFO] [stderr]  --> src/actor.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tokio::sync::mpsc::{channel, Receiver, Sender, error::TryRecvError};
[INFO] [stderr]   |                         ^^^^^^^            ^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.17s
[INFO] running `"docker" "inspect" "12097f244bf79fd0bf29990e00e4c277d9bced102ccdbe695c18553f857fc701"`
[INFO] running `"docker" "rm" "-f" "12097f244bf79fd0bf29990e00e4c277d9bced102ccdbe695c18553f857fc701"`
[INFO] [stdout] 12097f244bf79fd0bf29990e00e4c277d9bced102ccdbe695c18553f857fc701