[INFO] fetching crate fut_rwlock 0.1.0...
[INFO] testing fut_rwlock-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate fut_rwlock 0.1.0 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate fut_rwlock 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-39/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39f58a7f2b771661b54157b53d60b2d1286f55c167e2752bc09c0bd2a208b578
[INFO] running `Command { std: "docker" "start" "-a" "39f58a7f2b771661b54157b53d60b2d1286f55c167e2752bc09c0bd2a208b578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39f58a7f2b771661b54157b53d60b2d1286f55c167e2752bc09c0bd2a208b578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f58a7f2b771661b54157b53d60b2d1286f55c167e2752bc09c0bd2a208b578", kill_on_drop: false }`
[INFO] [stdout] 39f58a7f2b771661b54157b53d60b2d1286f55c167e2752bc09c0bd2a208b578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a881740cdca94a8d248a1655edb084751b97c68eb79bf5867d77d646fe07f0d1
[INFO] running `Command { std: "docker" "start" "-a" "a881740cdca94a8d248a1655edb084751b97c68eb79bf5867d77d646fe07f0d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling fut_rwlock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.15s
[INFO] running `Command { std: "docker" "inspect" "a881740cdca94a8d248a1655edb084751b97c68eb79bf5867d77d646fe07f0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a881740cdca94a8d248a1655edb084751b97c68eb79bf5867d77d646fe07f0d1", kill_on_drop: false }`
[INFO] [stdout] a881740cdca94a8d248a1655edb084751b97c68eb79bf5867d77d646fe07f0d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 848913fcc6db0db53a2f2cd7cb8eadb48877dd15b7aa3e2c0150b289e71408bd
[INFO] running `Command { std: "docker" "start" "-a" "848913fcc6db0db53a2f2cd7cb8eadb48877dd15b7aa3e2c0150b289e71408bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.75
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.75
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.25
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.75
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.75
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling tokio-test v0.4.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.75
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling js-sys v0.3.52
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.25
[INFO] [stderr]    Compiling js-function-promisify v0.2.1
[INFO] [stderr]    Compiling web-sys v0.3.52
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.25
[INFO] [stderr]    Compiling fut_rwlock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.73s
[INFO] running `Command { std: "docker" "inspect" "848913fcc6db0db53a2f2cd7cb8eadb48877dd15b7aa3e2c0150b289e71408bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "848913fcc6db0db53a2f2cd7cb8eadb48877dd15b7aa3e2c0150b289e71408bd", kill_on_drop: false }`
[INFO] [stdout] 848913fcc6db0db53a2f2cd7cb8eadb48877dd15b7aa3e2c0150b289e71408bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14f4b70b74bdc37dd3cac3868f68d7626e18effe41f27a48fdd84ef2b7a18a45
[INFO] running `Command { std: "docker" "start" "-a" "14f4b70b74bdc37dd3cac3868f68d7626e18effe41f27a48fdd84ef2b7a18a45", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fut_rwlock-5deb433495a9d539)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::read_one ... ok
[INFO] [stdout] test tests::write_prevents_try_write_now_and_try_read_now ... ok
[INFO] [stdout] test tests::read_multiple ... ok
[INFO] [stdout] test tests::read_prevents_try_write_now_and_allows_try_read_now ... ok
[INFO] [stdout] test tests::write_then_drop_then_read ... ok
[INFO] [stdout] test tests::write_mutates_inner_value ... ok
[INFO] [stdout] test tests::reads_await_write ... ok
[INFO] [stdout] test tests::write_awaits_reads ... 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" "14f4b70b74bdc37dd3cac3868f68d7626e18effe41f27a48fdd84ef2b7a18a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f4b70b74bdc37dd3cac3868f68d7626e18effe41f27a48fdd84ef2b7a18a45", kill_on_drop: false }`
[INFO] [stdout] 14f4b70b74bdc37dd3cac3868f68d7626e18effe41f27a48fdd84ef2b7a18a45
