[INFO] crate kompact 0.8.1 is already in cache
[INFO] checking kompact-0.8.1 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate kompact 0.8.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate kompact 0.8.1 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate kompact 0.8.1
[INFO] finished tweaking crates.io crate kompact 0.8.1
[INFO] tweaked toml for crates.io crate kompact 0.8.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate kompact 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3248ac20f749fba067f95587b99e16cb3e44fc33aa6a0c283477f44443133c62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3248ac20f749fba067f95587b99e16cb3e44fc33aa6a0c283477f44443133c62"`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking synchronoise v1.0.0
[INFO] [stderr]     Checking tokio-retry v0.2.0
[INFO] [stderr]     Checking spaniel v0.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking slog-term v2.4.2
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling kompact-actor-derive v0.8.1
[INFO] [stderr]    Compiling kompact-component-derive v0.8.1
[INFO] [stderr]    Compiling arr_macro_impl v0.1.2
[INFO] [stderr]     Checking arr_macro v0.1.2
[INFO] [stderr]     Checking executors v0.5.3
[INFO] [stderr]     Checking kompact v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the feature `never_type` has been stable since 1.41.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | #![feature(never_type)]
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `never_type` has been stable since 1.41.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | #![feature(never_type)]
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.76s
[INFO] running `"docker" "inspect" "3248ac20f749fba067f95587b99e16cb3e44fc33aa6a0c283477f44443133c62"`
[INFO] running `"docker" "rm" "-f" "3248ac20f749fba067f95587b99e16cb3e44fc33aa6a0c283477f44443133c62"`
[INFO] [stdout] 3248ac20f749fba067f95587b99e16cb3e44fc33aa6a0c283477f44443133c62