[INFO] fetching crate async_once 0.2.1...
[INFO] testing async_once-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate async_once 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate async_once 0.2.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_once 0.2.1
[INFO] finished tweaking crates.io crate async_once 0.2.1
[INFO] tweaked toml for crates.io crate async_once 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook v0.3.10
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44750eaa91dd03663a911b0ddb0351cf188bd89676a6377d8c610eb9bf516f27
[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" "44750eaa91dd03663a911b0ddb0351cf188bd89676a6377d8c610eb9bf516f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44750eaa91dd03663a911b0ddb0351cf188bd89676a6377d8c610eb9bf516f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44750eaa91dd03663a911b0ddb0351cf188bd89676a6377d8c610eb9bf516f27", kill_on_drop: false }`
[INFO] [stdout] 44750eaa91dd03663a911b0ddb0351cf188bd89676a6377d8c610eb9bf516f27
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--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] d090a36a94d31977b3d48c0e2bad5ba1c57bc33e72ed13e576ac8e1c6f3abf2c
[INFO] running `Command { std: "docker" "start" "-a" "d090a36a94d31977b3d48c0e2bad5ba1c57bc33e72ed13e576ac8e1c6f3abf2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling async_once v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "d090a36a94d31977b3d48c0e2bad5ba1c57bc33e72ed13e576ac8e1c6f3abf2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d090a36a94d31977b3d48c0e2bad5ba1c57bc33e72ed13e576ac8e1c6f3abf2c", kill_on_drop: false }`
[INFO] [stdout] d090a36a94d31977b3d48c0e2bad5ba1c57bc33e72ed13e576ac8e1c6f3abf2c
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] fb8c0342eb9bddea5e38ddb842ec2b368fe08b7534ff205b631cec6efb86aa72
[INFO] running `Command { std: "docker" "start" "-a" "fb8c0342eb9bddea5e38ddb842ec2b368fe08b7534ff205b631cec6efb86aa72", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.77
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.77
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.27
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.77
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-net v1.6.1
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-process v1.2.0
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.77
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.77
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling js-sys v0.3.54
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling web-sys v0.3.54
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.27
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.27
[INFO] [stderr]    Compiling gloo-timers v0.2.1
[INFO] [stderr]    Compiling async_once v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `Command { std: "docker" "inspect" "fb8c0342eb9bddea5e38ddb842ec2b368fe08b7534ff205b631cec6efb86aa72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8c0342eb9bddea5e38ddb842ec2b368fe08b7534ff205b631cec6efb86aa72", kill_on_drop: false }`
[INFO] [stdout] fb8c0342eb9bddea5e38ddb842ec2b368fe08b7534ff205b631cec6efb86aa72
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 7e50b5b4e2f662e5224789e336f5fa96ea050d35e71f0b097d248afd9c3003f9
[INFO] running `Command { std: "docker" "start" "-a" "7e50b5b4e2f662e5224789e336f5fa96ea050d35e71f0b097d248afd9c3003f9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_once-6a19f66b0de2a89e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lazy_static_test_for_tokio ... ok
[INFO] [stdout] test lazy_static_test_for_async_std ... ok
[INFO] [stdout] test lazy_static_test_for_smol ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/wasm.rs (/opt/rustwide/target/debug/deps/wasm-0f467b26f9552a0c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async_once
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.95s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e50b5b4e2f662e5224789e336f5fa96ea050d35e71f0b097d248afd9c3003f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e50b5b4e2f662e5224789e336f5fa96ea050d35e71f0b097d248afd9c3003f9", kill_on_drop: false }`
[INFO] [stdout] 7e50b5b4e2f662e5224789e336f5fa96ea050d35e71f0b097d248afd9c3003f9