[INFO] fetching crate ndless-async 0.1.2...
[INFO] checking ndless-async-0.1.2 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate ndless-async 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ndless-async 0.1.2 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ndless-async 0.1.2
[INFO] finished tweaking crates.io crate ndless-async 0.1.2
[INFO] tweaked toml for crates.io crate ndless-async 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", 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] 8a184d3df50cda40659595d0da1e34f73ca4a9288d9a9c15cab0837fa56e8ee6
[INFO] running `Command { std: "docker" "start" "-a" "8a184d3df50cda40659595d0da1e34f73ca4a9288d9a9c15cab0837fa56e8ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a184d3df50cda40659595d0da1e34f73ca4a9288d9a9c15cab0837fa56e8ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a184d3df50cda40659595d0da1e34f73ca4a9288d9a9c15cab0837fa56e8ee6", kill_on_drop: false }`
[INFO] [stdout] 8a184d3df50cda40659595d0da1e34f73ca4a9288d9a9c15cab0837fa56e8ee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16b9daf355ae3b82c33aa078419ff35fb20b5c63b89156586a8a826189415f00
[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" "16b9daf355ae3b82c33aa078419ff35fb20b5c63b89156586a8a826189415f00", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]     Checking cty v0.1.5
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking ignore-result v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling ndless-static-vars v2.1.0
[INFO] [stderr]     Checking ndless-sys v0.2.0
[INFO] [stderr]     Checking cstr_core v0.1.2
[INFO] [stderr]     Checking embedded-ffi v0.1.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling ndless-macros v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]     Checking ndless v0.8.7
[INFO] [stderr]     Checking ndless-async v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `wake_trait` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | #![feature(wake_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `wake_trait` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | #![feature(wake_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.58s
[INFO] running `Command { std: "docker" "inspect" "16b9daf355ae3b82c33aa078419ff35fb20b5c63b89156586a8a826189415f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b9daf355ae3b82c33aa078419ff35fb20b5c63b89156586a8a826189415f00", kill_on_drop: false }`
[INFO] [stdout] 16b9daf355ae3b82c33aa078419ff35fb20b5c63b89156586a8a826189415f00