[INFO] fetching crate pollster 0.2.4...
[INFO] checking pollster-0.2.4 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate pollster 0.2.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pollster 0.2.4 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 pollster 0.2.4
[INFO] finished tweaking crates.io crate pollster 0.2.4
[INFO] tweaked toml for crates.io crate pollster 0.2.4 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 2752e5d9f698af526a87a525dc9e7843a06f19646d0579d9004e3b65a448654b
[INFO] running `Command { std: "docker" "start" "-a" "2752e5d9f698af526a87a525dc9e7843a06f19646d0579d9004e3b65a448654b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2752e5d9f698af526a87a525dc9e7843a06f19646d0579d9004e3b65a448654b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2752e5d9f698af526a87a525dc9e7843a06f19646d0579d9004e3b65a448654b", kill_on_drop: false }`
[INFO] [stdout] 2752e5d9f698af526a87a525dc9e7843a06f19646d0579d9004e3b65a448654b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a23b7ce47c383c5a65463533210330d3b881c6b65894d92306c4645ec9bb6965
[INFO] running `Command { std: "docker" "start" "-a" "a23b7ce47c383c5a65463533210330d3b881c6b65894d92306c4645ec9bb6965", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking pollster v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.05s
[INFO] running `Command { std: "docker" "inspect" "a23b7ce47c383c5a65463533210330d3b881c6b65894d92306c4645ec9bb6965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a23b7ce47c383c5a65463533210330d3b881c6b65894d92306c4645ec9bb6965", kill_on_drop: false }`
[INFO] [stdout] a23b7ce47c383c5a65463533210330d3b881c6b65894d92306c4645ec9bb6965