[INFO] crate slog-scope-futures 0.1.1 is already in cache
[INFO] testing slog-scope-futures-0.1.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate slog-scope-futures 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate slog-scope-futures 0.1.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate slog-scope-futures 0.1.1
[INFO] finished tweaking crates.io crate slog-scope-futures 0.1.1
[INFO] tweaked toml for crates.io crate slog-scope-futures 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eeb5cc4d7e47387ef3b828f04fde48050cd9bbd2e6163c75f485c509140acdfb
[INFO] running `"docker" "start" "-a" "eeb5cc4d7e47387ef3b828f04fde48050cd9bbd2e6163c75f485c509140acdfb"`
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling arc-swap v0.4.6
[INFO] [stderr]    Compiling slog-scope v4.3.0
[INFO] [stderr]    Compiling slog-scope-futures v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `"docker" "inspect" "eeb5cc4d7e47387ef3b828f04fde48050cd9bbd2e6163c75f485c509140acdfb"`
[INFO] running `"docker" "rm" "-f" "eeb5cc4d7e47387ef3b828f04fde48050cd9bbd2e6163c75f485c509140acdfb"`
[INFO] [stdout] eeb5cc4d7e47387ef3b828f04fde48050cd9bbd2e6163c75f485c509140acdfb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85033cd231ccc0cc62ed78aca059bc729ce2c8c2406b6bc29044ec0e653398a2
[INFO] running `"docker" "start" "-a" "85033cd231ccc0cc62ed78aca059bc729ce2c8c2406b6bc29044ec0e653398a2"`
[INFO] [stderr]    Compiling slog-scope-futures v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "85033cd231ccc0cc62ed78aca059bc729ce2c8c2406b6bc29044ec0e653398a2"`
[INFO] running `"docker" "rm" "-f" "85033cd231ccc0cc62ed78aca059bc729ce2c8c2406b6bc29044ec0e653398a2"`
[INFO] [stdout] 85033cd231ccc0cc62ed78aca059bc729ce2c8c2406b6bc29044ec0e653398a2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] 47e8d3af389ff306a579f48f3b3802229ede5d77f763ec7bf37369d5ae26ddeb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "47e8d3af389ff306a579f48f3b3802229ede5d77f763ec7bf37369d5ae26ddeb"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slog_scope_futures-b7049c31d9880c7c
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests slog-scope-futures
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs -  (line 20) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 12) ... ok
[INFO] [stdout] test src/lib.rs -  (line 61) ... ok
[INFO] [stdout] test src/lib.rs -  (line 46) ... ok
[INFO] [stdout] test src/lib.rs -  (line 84) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 20) stdout ----
[INFO] [stdout] error[E0658]: async closures are unstable
[INFO] [stdout]  --> src/lib.rs:27:38
[INFO] [stdout]   |
[INFO] [stdout] 9 | let fut = slog_scope::scope(&logger, async || { // <- scope start
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
[INFO] [stdout]   = help: add `#![feature(async_closure)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "47e8d3af389ff306a579f48f3b3802229ede5d77f763ec7bf37369d5ae26ddeb"`
[INFO] running `"docker" "rm" "-f" "47e8d3af389ff306a579f48f3b3802229ede5d77f763ec7bf37369d5ae26ddeb"`
[INFO] [stdout] 47e8d3af389ff306a579f48f3b3802229ede5d77f763ec7bf37369d5ae26ddeb