[INFO] fetching crate actori-rt 1.0.0...
[INFO] checking actori-rt-1.0.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate actori-rt 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate actori-rt 1.0.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate actori-rt 1.0.0
[INFO] finished tweaking crates.io crate actori-rt 1.0.0
[INFO] tweaked toml for crates.io crate actori-rt 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 526362b5d782ce9f0f22093d97d727c07526a18457462e4767f49ebebc8f0dbb
[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" "526362b5d782ce9f0f22093d97d727c07526a18457462e4767f49ebebc8f0dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "526362b5d782ce9f0f22093d97d727c07526a18457462e4767f49ebebc8f0dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526362b5d782ce9f0f22093d97d727c07526a18457462e4767f49ebebc8f0dbb", kill_on_drop: false }`
[INFO] [stdout] 526362b5d782ce9f0f22093d97d727c07526a18457462e4767f49ebebc8f0dbb
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--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] d153669a1fd0920e43af8bc8da2109ed942f9fa6f3b37f0eb96a9da1b37e00f5
[INFO] running `Command { std: "docker" "start" "-a" "d153669a1fd0920e43af8bc8da2109ed942f9fa6f3b37f0eb96a9da1b37e00f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling actori-macros v0.1.1
[INFO] [stderr]     Checking actori-threadpool v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking actori-rt v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: field is never read: `system`
[INFO] [stdout]    --> src/builder.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     system: System,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:27
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![deny(rust_2018_idioms, warnings)]
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field is never read: `system`
[INFO] [stdout]    --> src/builder.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     system: System,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field is never read: `system`
[INFO] [stdout]    --> src/builder.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     system: System,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:27
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![deny(rust_2018_idioms, warnings)]
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field is never read: `system`
[INFO] [stdout]    --> src/builder.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     system: System,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `actori-rt` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d153669a1fd0920e43af8bc8da2109ed942f9fa6f3b37f0eb96a9da1b37e00f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d153669a1fd0920e43af8bc8da2109ed942f9fa6f3b37f0eb96a9da1b37e00f5", kill_on_drop: false }`
[INFO] [stdout] d153669a1fd0920e43af8bc8da2109ed942f9fa6f3b37f0eb96a9da1b37e00f5