[INFO] crate tokio-io-pool 0.2.0-alpha.4 is already in cache
[INFO] checking tokio-io-pool-0.2.0-alpha.4 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate tokio-io-pool 0.2.0-alpha.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tokio-io-pool 0.2.0-alpha.4 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-io-pool 0.2.0-alpha.4
[INFO] finished tweaking crates.io crate tokio-io-pool 0.2.0-alpha.4
[INFO] tweaked toml for crates.io crate tokio-io-pool 0.2.0-alpha.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c625d0612a21da17c038bcd3c8c7cdd6cbf107836f4e49bc2317d1eaec11d4cd
[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" "c625d0612a21da17c038bcd3c8c7cdd6cbf107836f4e49bc2317d1eaec11d4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c625d0612a21da17c038bcd3c8c7cdd6cbf107836f4e49bc2317d1eaec11d4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c625d0612a21da17c038bcd3c8c7cdd6cbf107836f4e49bc2317d1eaec11d4cd", kill_on_drop: false }`
[INFO] [stdout] c625d0612a21da17c038bcd3c8c7cdd6cbf107836f4e49bc2317d1eaec11d4cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "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] ade3fa2fbb0fedc176049673983da26ea21cce66bba99de6b22dcb41a02820c8
[INFO] running `Command { std: "docker" "start" "-a" "ade3fa2fbb0fedc176049673983da26ea21cce66bba99de6b22dcb41a02820c8", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]     Checking tracing v0.1.16
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-io-pool v0.2.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.95s
[INFO] running `Command { std: "docker" "inspect" "ade3fa2fbb0fedc176049673983da26ea21cce66bba99de6b22dcb41a02820c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade3fa2fbb0fedc176049673983da26ea21cce66bba99de6b22dcb41a02820c8", kill_on_drop: false }`
[INFO] [stdout] ade3fa2fbb0fedc176049673983da26ea21cce66bba99de6b22dcb41a02820c8