[INFO] fetching crate futures-task 0.3.16...
[INFO] testing futures-task-0.3.16 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate futures-task 0.3.16 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate futures-task 0.3.16 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-task 0.3.16
[INFO] finished tweaking crates.io crate futures-task 0.3.16
[INFO] tweaked toml for crates.io crate futures-task 0.3.16 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77c2ebfd64122c2dcc0820b1112f0dd48985bcccd99ca22d9489d601136bea94
[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" "77c2ebfd64122c2dcc0820b1112f0dd48985bcccd99ca22d9489d601136bea94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77c2ebfd64122c2dcc0820b1112f0dd48985bcccd99ca22d9489d601136bea94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c2ebfd64122c2dcc0820b1112f0dd48985bcccd99ca22d9489d601136bea94", kill_on_drop: false }`
[INFO] [stdout] 77c2ebfd64122c2dcc0820b1112f0dd48985bcccd99ca22d9489d601136bea94
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab0918a0819a7ca3cd72f15be0109a7b34018defdf640747f7e739fa22187758
[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" "ab0918a0819a7ca3cd72f15be0109a7b34018defdf640747f7e739fa22187758", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "ab0918a0819a7ca3cd72f15be0109a7b34018defdf640747f7e739fa22187758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0918a0819a7ca3cd72f15be0109a7b34018defdf640747f7e739fa22187758", kill_on_drop: false }`
[INFO] [stdout] ab0918a0819a7ca3cd72f15be0109a7b34018defdf640747f7e739fa22187758
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--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] abca7ca161fbd8f54c6552aadcc9d5253cf254c4ce989bef1ba834219cc3f1b5
[INFO] running `Command { std: "docker" "start" "-a" "abca7ca161fbd8f54c6552aadcc9d5253cf254c4ce989bef1ba834219cc3f1b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "abca7ca161fbd8f54c6552aadcc9d5253cf254c4ce989bef1ba834219cc3f1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abca7ca161fbd8f54c6552aadcc9d5253cf254c4ce989bef1ba834219cc3f1b5", kill_on_drop: false }`
[INFO] [stdout] abca7ca161fbd8f54c6552aadcc9d5253cf254c4ce989bef1ba834219cc3f1b5
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] 7cdba8e399d8f10b97457e556703f39b9b39900266d8c327dc8e762b2c715255
[INFO] running `Command { std: "docker" "start" "-a" "7cdba8e399d8f10b97457e556703f39b9b39900266d8c327dc8e762b2c715255", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_task-1620ca172b072bcb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test noop_waker::tests::issue_2091_cross_thread_segfault ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-task
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/noop_waker.rs - noop_waker::noop_waker_ref (line 39) ... FAILED
[INFO] [stdout] test src/noop_waker.rs - noop_waker::noop_waker (line 23) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/noop_waker.rs - noop_waker::noop_waker_ref (line 39) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/noop_waker.rs:40:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::noop_waker_ref;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_waker_ref` in this scope
[INFO] [stdout]  --> src/noop_waker.rs:41:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | let waker = noop_waker_ref();
[INFO] [stdout]   |             ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_task::noop_waker_ref;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/noop_waker.rs - noop_waker::noop_waker (line 23) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/noop_waker.rs:24:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::noop_waker;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_waker` in this scope
[INFO] [stdout]  --> src/noop_waker.rs:25:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | let waker = noop_waker();
[INFO] [stdout]   |             ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_task::noop_waker;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/noop_waker.rs - noop_waker::noop_waker (line 23)
[INFO] [stdout]     src/noop_waker.rs - noop_waker::noop_waker_ref (line 39)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "7cdba8e399d8f10b97457e556703f39b9b39900266d8c327dc8e762b2c715255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cdba8e399d8f10b97457e556703f39b9b39900266d8c327dc8e762b2c715255", kill_on_drop: false }`
[INFO] [stdout] 7cdba8e399d8f10b97457e556703f39b9b39900266d8c327dc8e762b2c715255