[INFO] fetching crate fut_rwlock 0.1.0...
[INFO] testing fut_rwlock-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate fut_rwlock 0.1.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate fut_rwlock 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fut_rwlock 0.1.0
[INFO] finished tweaking crates.io crate fut_rwlock 0.1.0
[INFO] tweaked toml for crates.io crate fut_rwlock 0.1.0 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded js-function-promisify v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d18c9b27669d76da4a66a70b316a92cde0dc90105164095180d251f33157ba9
[INFO] running `Command { std: "docker" "start" "-a" "2d18c9b27669d76da4a66a70b316a92cde0dc90105164095180d251f33157ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d18c9b27669d76da4a66a70b316a92cde0dc90105164095180d251f33157ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d18c9b27669d76da4a66a70b316a92cde0dc90105164095180d251f33157ba9", kill_on_drop: false }`
[INFO] [stdout] 2d18c9b27669d76da4a66a70b316a92cde0dc90105164095180d251f33157ba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d1cf2e18d66a220baacb38c0ab987d3fffd31c4967a92f6164631ae1736d4c8
[INFO] running `Command { std: "docker" "start" "-a" "6d1cf2e18d66a220baacb38c0ab987d3fffd31c4967a92f6164631ae1736d4c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling fut_rwlock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.97s
[INFO] running `Command { std: "docker" "inspect" "6d1cf2e18d66a220baacb38c0ab987d3fffd31c4967a92f6164631ae1736d4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1cf2e18d66a220baacb38c0ab987d3fffd31c4967a92f6164631ae1736d4c8", kill_on_drop: false }`
[INFO] [stdout] 6d1cf2e18d66a220baacb38c0ab987d3fffd31c4967a92f6164631ae1736d4c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3bfeec87b545f7345f168aba06b2a5048345e9cfb3c516510e598a7073fa3b0
[INFO] running `Command { std: "docker" "start" "-a" "c3bfeec87b545f7345f168aba06b2a5048345e9cfb3c516510e598a7073fa3b0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.79
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.79
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.29
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.79
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.79
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tokio-test v0.4.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.79
[INFO] [stderr]    Compiling js-sys v0.3.56
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.29
[INFO] [stderr]    Compiling web-sys v0.3.56
[INFO] [stderr]    Compiling js-function-promisify v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.29
[INFO] [stderr]    Compiling fut_rwlock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.69s
[INFO] running `Command { std: "docker" "inspect" "c3bfeec87b545f7345f168aba06b2a5048345e9cfb3c516510e598a7073fa3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3bfeec87b545f7345f168aba06b2a5048345e9cfb3c516510e598a7073fa3b0", kill_on_drop: false }`
[INFO] [stdout] c3bfeec87b545f7345f168aba06b2a5048345e9cfb3c516510e598a7073fa3b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ee0ef877e54f7d9a2c19f562bd5430a55666d772e00ac4fc4d522527ded4c4e
[INFO] running `Command { std: "docker" "start" "-a" "7ee0ef877e54f7d9a2c19f562bd5430a55666d772e00ac4fc4d522527ded4c4e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fut_rwlock-3efe5dccf2edcf44)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::read_multiple ... ok
[INFO] [stdout] test tests::write_prevents_try_write_now_and_try_read_now ... ok
[INFO] [stdout] test tests::write_then_drop_then_read ... ok
[INFO] [stdout] test tests::read_one ... ok
[INFO] [stdout] test tests::write_mutates_inner_value ... ok
[INFO] [stdout] test tests::read_prevents_try_write_now_and_allows_try_read_now ... ok
[INFO] [stdout] test tests::write_awaits_reads ... ok
[INFO] [stdout] test tests::reads_await_write ... ok
[INFO] [stdout] test tests::write_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.20s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fut_rwlock
[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] running `Command { std: "docker" "inspect" "7ee0ef877e54f7d9a2c19f562bd5430a55666d772e00ac4fc4d522527ded4c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee0ef877e54f7d9a2c19f562bd5430a55666d772e00ac4fc4d522527ded4c4e", kill_on_drop: false }`
[INFO] [stdout] 7ee0ef877e54f7d9a2c19f562bd5430a55666d772e00ac4fc4d522527ded4c4e