[INFO] crate dumb-exec 0.0.7 is already in cache
[INFO] checking dumb-exec-0.0.7 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate dumb-exec 0.0.7 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dumb-exec 0.0.7 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dumb-exec 0.0.7
[INFO] finished tweaking crates.io crate dumb-exec 0.0.7
[INFO] tweaked toml for crates.io crate dumb-exec 0.0.7 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "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" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06e782c02147ef32f44b80caf758e678b264dad13d8ce272b188131c8ef72617
[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" "06e782c02147ef32f44b80caf758e678b264dad13d8ce272b188131c8ef72617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06e782c02147ef32f44b80caf758e678b264dad13d8ce272b188131c8ef72617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e782c02147ef32f44b80caf758e678b264dad13d8ce272b188131c8ef72617", kill_on_drop: false }`
[INFO] [stdout] 06e782c02147ef32f44b80caf758e678b264dad13d8ce272b188131c8ef72617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6ee72c45dfc45c7a79129bf8e4f292b97b7545c2293cb6cf5d7957ec510f895
[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" "f6ee72c45dfc45c7a79129bf8e4f292b97b7545c2293cb6cf5d7957ec510f895", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking dumb-exec v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `futures::task::LocalWaker`
[INFO] [stdout]   --> src/lib.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 | use futures::task::{LocalSpawn, LocalWaker, Poll, Spawn, SpawnError};
[INFO] [stdout]    |                                 ^^^^^^^^^^ no `LocalWaker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `futures::task::LocalWaker`, `futures::task::UnsafeWake`
[INFO] [stdout]   --> src/cached.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | use futures::task::{LocalSpawn, LocalWaker, Poll, Spawn, SpawnError, UnsafeWake, Waker};
[INFO] [stdout]    |                                 ^^^^^^^^^^ no `LocalWaker` in `task` ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures::task::UnsafeWake`
[INFO] [stdout]  --> src/wake.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::task::{UnsafeWake, Waker};
[INFO] [stdout]   |                     ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures::task::LocalWaker`
[INFO] [stdout]   --> src/lib.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 | use futures::task::{LocalSpawn, LocalWaker, Poll, Spawn, SpawnError};
[INFO] [stdout]    |                                 ^^^^^^^^^^ no `LocalWaker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `futures::task::LocalWaker`, `futures::task::UnsafeWake`
[INFO] [stdout]   --> src/cached.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | use futures::task::{LocalSpawn, LocalWaker, Poll, Spawn, SpawnError, UnsafeWake, Waker};
[INFO] [stdout]    |                                 ^^^^^^^^^^ no `LocalWaker` in `task` ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures::task::UnsafeWake`
[INFO] [stdout]  --> src/wake.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::task::{UnsafeWake, Waker};
[INFO] [stdout]   |                     ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dumb-exec`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f6ee72c45dfc45c7a79129bf8e4f292b97b7545c2293cb6cf5d7957ec510f895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ee72c45dfc45c7a79129bf8e4f292b97b7545c2293cb6cf5d7957ec510f895", kill_on_drop: false }`
[INFO] [stdout] f6ee72c45dfc45c7a79129bf8e4f292b97b7545c2293cb6cf5d7957ec510f895