[INFO] fetching crate actori-rt 1.0.0...
[INFO] checking actori-rt-1.0.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate actori-rt 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate actori-rt 1.0.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c31df14fc86408e0b30b96341b6c5cf5141beb103a0b8b8bea24a47b69c5fef3
[INFO] running `Command { std: "docker" "start" "-a" "c31df14fc86408e0b30b96341b6c5cf5141beb103a0b8b8bea24a47b69c5fef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c31df14fc86408e0b30b96341b6c5cf5141beb103a0b8b8bea24a47b69c5fef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31df14fc86408e0b30b96341b6c5cf5141beb103a0b8b8bea24a47b69c5fef3", kill_on_drop: false }`
[INFO] [stdout] c31df14fc86408e0b30b96341b6c5cf5141beb103a0b8b8bea24a47b69c5fef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cf47cf22f121856a46d3f4c15fbdb4813a3bee7203d83c320006ebdfc2df5e8
[INFO] running `Command { std: "docker" "start" "-a" "5cf47cf22f121856a46d3f4c15fbdb4813a3bee7203d83c320006ebdfc2df5e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling futures-macro v0.3.15
[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 v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking actori-rt v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: field is never read: `name`
[INFO] [stdout]   --> src/builder.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     name: Cow<'static, str>,
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `actori-rt`
[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: field is never read: `name`
[INFO] [stdout]   --> src/builder.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     name: Cow<'static, str>,
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5cf47cf22f121856a46d3f4c15fbdb4813a3bee7203d83c320006ebdfc2df5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf47cf22f121856a46d3f4c15fbdb4813a3bee7203d83c320006ebdfc2df5e8", kill_on_drop: false }`
[INFO] [stdout] 5cf47cf22f121856a46d3f4c15fbdb4813a3bee7203d83c320006ebdfc2df5e8