[INFO] fetching crate async_nursery 0.4.0...
[INFO] testing async_nursery-0.4.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate async_nursery 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate async_nursery 0.4.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_nursery 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate async_nursery 0.4.0
[INFO] tweaked toml for crates.io crate async_nursery 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate async_nursery 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded futures-executor v0.3.19
[INFO] [stderr]   Downloaded tokio v1.15.0
[INFO] [stderr]   Downloaded libc v0.2.112
[INFO] [stderr]   Downloaded async-attributes v1.1.2
[INFO] [stderr]   Downloaded async-lock v2.4.0
[INFO] [stderr]   Downloaded signal-hook v0.3.13
[INFO] [stderr]   Downloaded socket2 v0.4.2
[INFO] [stderr]   Downloaded cc v1.0.72
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.28
[INFO] [stderr]   Downloaded tracing-attributes v0.1.18
[INFO] [stderr]   Downloaded futures-io v0.3.19
[INFO] [stderr]   Downloaded indicatif v0.16.2
[INFO] [stderr]   Downloaded futures-sink v0.3.19
[INFO] [stderr]   Downloaded thread_local v1.1.3
[INFO] [stderr]   Downloaded futures-util v0.3.19
[INFO] [stderr]   Downloaded async-global-executor v2.0.2
[INFO] [stderr]   Downloaded async-std v1.10.0
[INFO] [stderr]   Downloaded futures v0.3.19
[INFO] [stderr]   Downloaded fastrand v1.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.28
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.5
[INFO] [stderr]   Downloaded blanket v0.2.0
[INFO] [stderr]   Downloaded bumpalo v3.9.0
[INFO] [stderr]   Downloaded syn v1.0.85
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.28
[INFO] [stderr]   Downloaded gloo-timers v0.2.2
[INFO] [stderr]   Downloaded futures-macro v0.3.19
[INFO] [stderr]   Downloaded futures-task v0.3.19
[INFO] [stderr]   Downloaded async-task v4.0.3
[INFO] [stderr]   Downloaded tracing v0.1.29
[INFO] [stderr]   Downloaded tracing-core v0.1.21
[INFO] [stderr]   Downloaded quote v1.0.14
[INFO] [stderr]   Downloaded blocking v1.1.0
[INFO] [stderr]   Downloaded async-process v1.3.0
[INFO] [stderr]   Downloaded console v0.15.0
[INFO] [stderr]   Downloaded number_prefix v0.4.0
[INFO] [stderr]   Downloaded futures-channel v0.3.19
[INFO] [stderr]   Downloaded futures-core v0.3.19
[INFO] [stderr]   Downloaded send_wrapper v0.4.0
[INFO] [stderr]   Downloaded async_executors v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e89b1c1b7b0f1b2fedb7797d8215aa454f3458513453f60135aff1b516c3e4a2
[INFO] running `Command { std: "docker" "start" "-a" "e89b1c1b7b0f1b2fedb7797d8215aa454f3458513453f60135aff1b516c3e4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e89b1c1b7b0f1b2fedb7797d8215aa454f3458513453f60135aff1b516c3e4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e89b1c1b7b0f1b2fedb7797d8215aa454f3458513453f60135aff1b516c3e4a2", kill_on_drop: false }`
[INFO] [stdout] e89b1c1b7b0f1b2fedb7797d8215aa454f3458513453f60135aff1b516c3e4a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c27745306b4b726006179753491180da15a5ef34b17f9c3b2583b28b4747866
[INFO] running `Command { std: "docker" "start" "-a" "4c27745306b4b726006179753491180da15a5ef34b17f9c3b2583b28b4747866", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling async_executors v0.5.1
[INFO] [stderr]    Compiling async_nursery v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling blanket v0.2.0
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling futures v0.3.19
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.53s
[INFO] running `Command { std: "docker" "inspect" "4c27745306b4b726006179753491180da15a5ef34b17f9c3b2583b28b4747866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c27745306b4b726006179753491180da15a5ef34b17f9c3b2583b28b4747866", kill_on_drop: false }`
[INFO] [stdout] 4c27745306b4b726006179753491180da15a5ef34b17f9c3b2583b28b4747866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d0333fa443637bb92f30b5afaac57d4c9d1cdd36d946e5711fae2965962c1cb
[INFO] running `Command { std: "docker" "start" "-a" "0d0333fa443637bb92f30b5afaac57d4c9d1cdd36d946e5711fae2965962c1cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling async_executors v0.5.1
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.1.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling blanket v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.5
[INFO] [stderr]    Compiling async-process v1.3.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling futures-executor v0.3.19
[INFO] [stderr]    Compiling futures v0.3.19
[INFO] [stderr]    Compiling async_nursery v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `async_nursery`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name resource_cleanup --edition=2021 tests/resource_cleanup.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="async_executors"' --cfg 'feature="default"' --cfg 'feature="futures"' --cfg 'feature="implementation"' --cfg 'feature="not_wasm"' -C metadata=940a0cfc853846ba -C extra-filename=-940a0cfc853846ba --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-7fbfbc3805356c32.rlib --extern async_executors=/opt/rustwide/target/debug/deps/libasync_executors-1e42e20671beb6bf.rlib --extern async_nursery=/opt/rustwide/target/debug/deps/libasync_nursery-324bffce7ae115dc.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-7f3b7716a9bbbef4.rlib --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-ed7bf4119c84aa9d.rlib --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-a9611a56bbefc1f1.rlib --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-70ae5d18ec52db74.rlib --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-17a1a3a936943847.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-42f17544e2f5eb59.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-0ea2386f473222a3.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-fe3dd58874c6e899.rlib --extern tracing_crate=/opt/rustwide/target/debug/deps/libtracing-5b73af5064f9b988.rlib --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-56ed5fb70b91c38f.rlib --cap-lints=warn --cfg stable` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0d0333fa443637bb92f30b5afaac57d4c9d1cdd36d946e5711fae2965962c1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d0333fa443637bb92f30b5afaac57d4c9d1cdd36d946e5711fae2965962c1cb", kill_on_drop: false }`
[INFO] [stdout] 0d0333fa443637bb92f30b5afaac57d4c9d1cdd36d946e5711fae2965962c1cb