[INFO] fetching crate futures-task 0.3.31...
[INFO] testing futures-task-0.3.31 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate futures-task 0.3.31 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate futures-task 0.3.31
[INFO] finished tweaking crates.io crate futures-task 0.3.31
[INFO] tweaked toml for crates.io crate futures-task 0.3.31 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-task 0.3.31 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cc7300e9e1ddb8f1b83d0148ae4ba48aa609bd0403961646ad18fc7194679ad
[INFO] running `Command { std: "docker" "start" "-a" "1cc7300e9e1ddb8f1b83d0148ae4ba48aa609bd0403961646ad18fc7194679ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cc7300e9e1ddb8f1b83d0148ae4ba48aa609bd0403961646ad18fc7194679ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc7300e9e1ddb8f1b83d0148ae4ba48aa609bd0403961646ad18fc7194679ad", kill_on_drop: false }`
[INFO] [stdout] 1cc7300e9e1ddb8f1b83d0148ae4ba48aa609bd0403961646ad18fc7194679ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1790ce00b928d2bc9942a38e0568d64d374f800b2aa2a1ab9149f6694f2ce5b
[INFO] running `Command { std: "docker" "start" "-a" "c1790ce00b928d2bc9942a38e0568d64d374f800b2aa2a1ab9149f6694f2ce5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "c1790ce00b928d2bc9942a38e0568d64d374f800b2aa2a1ab9149f6694f2ce5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1790ce00b928d2bc9942a38e0568d64d374f800b2aa2a1ab9149f6694f2ce5b", kill_on_drop: false }`
[INFO] [stdout] c1790ce00b928d2bc9942a38e0568d64d374f800b2aa2a1ab9149f6694f2ce5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eff1a06423674e3ab22d439f10b193d0db83d8e5622f54cf1b718a184a548ee
[INFO] running `Command { std: "docker" "start" "-a" "9eff1a06423674e3ab22d439f10b193d0db83d8e5622f54cf1b718a184a548ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "9eff1a06423674e3ab22d439f10b193d0db83d8e5622f54cf1b718a184a548ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eff1a06423674e3ab22d439f10b193d0db83d8e5622f54cf1b718a184a548ee", kill_on_drop: false }`
[INFO] [stdout] 9eff1a06423674e3ab22d439f10b193d0db83d8e5622f54cf1b718a184a548ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1a910f2562ac48f5194b3f126451c4adb7c2ce1c0595349faff07d129d334d5
[INFO] running `Command { std: "docker" "start" "-a" "b1a910f2562ac48f5194b3f126451c4adb7c2ce1c0595349faff07d129d334d5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_task-b957829a61741d08)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests futures_task
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/noop_waker.rs - noop_waker::noop_waker (line 23) ... FAILED
[INFO] [stdout] test src/noop_waker.rs - noop_waker::noop_waker_ref (line 39) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/noop_waker.rs - noop_waker::noop_waker (line 23) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/noop_waker.rs:24:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::noop_waker;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/noop_waker.rs - noop_waker::noop_waker_ref (line 39) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/noop_waker.rs:40:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::noop_waker_ref;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[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 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b1a910f2562ac48f5194b3f126451c4adb7c2ce1c0595349faff07d129d334d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a910f2562ac48f5194b3f126451c4adb7c2ce1c0595349faff07d129d334d5", kill_on_drop: false }`
[INFO] [stdout] b1a910f2562ac48f5194b3f126451c4adb7c2ce1c0595349faff07d129d334d5