[INFO] fetching crate polyfuse-tokio 0.2.3...
[INFO] checking polyfuse-tokio-0.2.3 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate polyfuse-tokio 0.2.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate polyfuse-tokio 0.2.3 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polyfuse-tokio 0.2.3
[INFO] finished tweaking crates.io crate polyfuse-tokio 0.2.3
[INFO] tweaked toml for crates.io crate polyfuse-tokio 0.2.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 47ee945940573d437870accc4e9048191ac5bd7d3e53cb197fa76772b80926a6
[INFO] running `Command { std: "docker" "start" "-a" "47ee945940573d437870accc4e9048191ac5bd7d3e53cb197fa76772b80926a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47ee945940573d437870accc4e9048191ac5bd7d3e53cb197fa76772b80926a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ee945940573d437870accc4e9048191ac5bd7d3e53cb197fa76772b80926a6", kill_on_drop: false }`
[INFO] [stdout] 47ee945940573d437870accc4e9048191ac5bd7d3e53cb197fa76772b80926a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 39b9d976d9352fb5e80be122712dcf0bf7083cab439142e4066442f1e39343a3
[INFO] running `Command { std: "docker" "start" "-a" "39b9d976d9352fb5e80be122712dcf0bf7083cab439142e4066442f1e39343a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking version-sync v0.8.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking polyfuse v0.3.3
[INFO] [stderr]     Checking polyfuse-tokio v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.06s
[INFO] running `Command { std: "docker" "inspect" "39b9d976d9352fb5e80be122712dcf0bf7083cab439142e4066442f1e39343a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b9d976d9352fb5e80be122712dcf0bf7083cab439142e4066442f1e39343a3", kill_on_drop: false }`
[INFO] [stdout] 39b9d976d9352fb5e80be122712dcf0bf7083cab439142e4066442f1e39343a3