[INFO] fetching crate async-core 0.3.1...
[INFO] checking async-core-0.3.1 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate async-core 0.3.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate async-core 0.3.1 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-core 0.3.1
[INFO] finished tweaking crates.io crate async-core 0.3.1
[INFO] tweaked toml for crates.io crate async-core 0.3.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate async-core 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b9a8380d3542b8aa946f83ef23ff1630e2527dfbce11421e9210762a15fe5a6
[INFO] running `Command { std: "docker" "start" "-a" "8b9a8380d3542b8aa946f83ef23ff1630e2527dfbce11421e9210762a15fe5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b9a8380d3542b8aa946f83ef23ff1630e2527dfbce11421e9210762a15fe5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9a8380d3542b8aa946f83ef23ff1630e2527dfbce11421e9210762a15fe5a6", kill_on_drop: false }`
[INFO] [stdout] 8b9a8380d3542b8aa946f83ef23ff1630e2527dfbce11421e9210762a15fe5a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c5cb4aeb593f29cd007cb494a8cdefb6ce571a65184f77b12f5fb2b7b4aafdf
[INFO] running `Command { std: "docker" "start" "-a" "6c5cb4aeb593f29cd007cb494a8cdefb6ce571a65184f77b12f5fb2b7b4aafdf", kill_on_drop: false }`
[INFO] [stderr]     Checking async-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/runtime.rs:86:49
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct OwnedRuntime<'a>(RuntimeWrapper<'a>, pub(crate) Box<dyn InternalRuntime + 'a>);
[INFO] [stdout]    |            ------------ field in this struct    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/runtime.rs:86:49
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct OwnedRuntime<'a>(RuntimeWrapper<'a>, pub(crate) Box<dyn InternalRuntime + 'a>);
[INFO] [stdout]    |            ------------ field in this struct    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "6c5cb4aeb593f29cd007cb494a8cdefb6ce571a65184f77b12f5fb2b7b4aafdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5cb4aeb593f29cd007cb494a8cdefb6ce571a65184f77b12f5fb2b7b4aafdf", kill_on_drop: false }`
[INFO] [stdout] 6c5cb4aeb593f29cd007cb494a8cdefb6ce571a65184f77b12f5fb2b7b4aafdf
