[INFO] fetching crate futures-task 0.3.15...
[INFO] testing futures-task-0.3.15 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate futures-task 0.3.15 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate futures-task 0.3.15 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-task 0.3.15
[INFO] finished tweaking crates.io crate futures-task 0.3.15
[INFO] tweaked toml for crates.io crate futures-task 0.3.15 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a49117d6cba6ba02e4107c4e39c7629b595b4c34f32cae686aa3a355dd727632
[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" "a49117d6cba6ba02e4107c4e39c7629b595b4c34f32cae686aa3a355dd727632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a49117d6cba6ba02e4107c4e39c7629b595b4c34f32cae686aa3a355dd727632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49117d6cba6ba02e4107c4e39c7629b595b4c34f32cae686aa3a355dd727632", kill_on_drop: false }`
[INFO] [stdout] a49117d6cba6ba02e4107c4e39c7629b595b4c34f32cae686aa3a355dd727632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48cc53e79c6e8fead958d821c628dc78dd997213953c14391d73db539b586d6e
[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" "48cc53e79c6e8fead958d821c628dc78dd997213953c14391d73db539b586d6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "48cc53e79c6e8fead958d821c628dc78dd997213953c14391d73db539b586d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48cc53e79c6e8fead958d821c628dc78dd997213953c14391d73db539b586d6e", kill_on_drop: false }`
[INFO] [stdout] 48cc53e79c6e8fead958d821c628dc78dd997213953c14391d73db539b586d6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e99721e21e02275fac18ac7e3febf0a2b420ee63369dc8a5048ea00849c0171b
[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" "e99721e21e02275fac18ac7e3febf0a2b420ee63369dc8a5048ea00849c0171b", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "e99721e21e02275fac18ac7e3febf0a2b420ee63369dc8a5048ea00849c0171b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e99721e21e02275fac18ac7e3febf0a2b420ee63369dc8a5048ea00849c0171b", kill_on_drop: false }`
[INFO] [stdout] e99721e21e02275fac18ac7e3febf0a2b420ee63369dc8a5048ea00849c0171b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 310b11fb5abc74f5b463a461f0d4763ba052475adfa14c59303cdf421e6c7264
[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" "310b11fb5abc74f5b463a461f0d4763ba052475adfa14c59303cdf421e6c7264", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_task-7ca95aea3f75e3b4)
[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 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "310b11fb5abc74f5b463a461f0d4763ba052475adfa14c59303cdf421e6c7264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310b11fb5abc74f5b463a461f0d4763ba052475adfa14c59303cdf421e6c7264", kill_on_drop: false }`
[INFO] [stdout] 310b11fb5abc74f5b463a461f0d4763ba052475adfa14c59303cdf421e6c7264