[INFO] fetching crate fut_rwlock 0.1.0...
[INFO] testing fut_rwlock-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate fut_rwlock 0.1.0 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fut_rwlock 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 66 packages to latest compatible versions
[INFO] [stderr]       Adding getrandom v0.2.17 (available: v0.4.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding rand_chacha v0.3.1 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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 wasm-bindgen-test-shared v0.2.117
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.117
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.117
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.117
[INFO] [stderr]   Downloaded futures-macro v0.3.32
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.67
[INFO] [stderr]   Downloaded instant v0.1.13
[INFO] [stderr]   Downloaded tokio-test v0.4.5
[INFO] [stderr]   Downloaded js-function-promisify v0.2.1
[INFO] [stderr]   Downloaded nu-ansi-term v0.50.3
[INFO] [stderr]   Downloaded futures v0.3.32
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.67
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.48
[INFO] [stderr]   Downloaded cc v1.2.59
[INFO] [stderr]   Downloaded js-sys v0.3.94
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.117
[INFO] [stderr]   Downloaded walkdir v2.5.0
[INFO] [stderr]   Downloaded minicov v0.3.8
[INFO] [stderr]   Downloaded oorandom v11.1.5
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.67
[INFO] [stderr]   Downloaded winapi-util v0.1.11
[INFO] [stderr]   Downloaded zerocopy v0.8.48
[INFO] [stderr]   Downloaded web-sys v0.3.94
[INFO] [stderr]   Downloaded tokio v1.51.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddc9cd3b7df641b782f1c242732bd161faa5e456f5ac29986b5cf0a97813a3b6
[INFO] running `Command { std: "docker" "start" "-a" "ddc9cd3b7df641b782f1c242732bd161faa5e456f5ac29986b5cf0a97813a3b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc9cd3b7df641b782f1c242732bd161faa5e456f5ac29986b5cf0a97813a3b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc9cd3b7df641b782f1c242732bd161faa5e456f5ac29986b5cf0a97813a3b6", kill_on_drop: false }`
[INFO] [stdout] ddc9cd3b7df641b782f1c242732bd161faa5e456f5ac29986b5cf0a97813a3b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6af26f3ec70b8f8d470d2f719c3b471d59ac6e33395d49ffa0bf8f907e412677
[INFO] running `Command { std: "docker" "start" "-a" "6af26f3ec70b8f8d470d2f719c3b471d59ac6e33395d49ffa0bf8f907e412677", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling fut_rwlock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.33s
[INFO] running `Command { std: "docker" "inspect" "6af26f3ec70b8f8d470d2f719c3b471d59ac6e33395d49ffa0bf8f907e412677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af26f3ec70b8f8d470d2f719c3b471d59ac6e33395d49ffa0bf8f907e412677", kill_on_drop: false }`
[INFO] [stdout] 6af26f3ec70b8f8d470d2f719c3b471d59ac6e33395d49ffa0bf8f907e412677
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cc7469452ff723753c07f4bed8745a6216985b8fbdca84de22a2f2cc0525795
[INFO] running `Command { std: "docker" "start" "-a" "1cc7469452ff723753c07f4bed8745a6216985b8fbdca84de22a2f2cc0525795", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.117
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling wasm-bindgen v0.2.117
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling tokio v1.51.1
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling wasm-bindgen-test-shared v0.2.117
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling tokio-test v0.4.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.117
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.67
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.117
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling fut_rwlock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling js-sys v0.3.94
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.67
[INFO] [stderr]    Compiling js-function-promisify v0.2.1
[INFO] [stderr]    Compiling web-sys v0.3.94
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.67
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 57.95s
[INFO] running `Command { std: "docker" "inspect" "1cc7469452ff723753c07f4bed8745a6216985b8fbdca84de22a2f2cc0525795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc7469452ff723753c07f4bed8745a6216985b8fbdca84de22a2f2cc0525795", kill_on_drop: false }`
[INFO] [stdout] 1cc7469452ff723753c07f4bed8745a6216985b8fbdca84de22a2f2cc0525795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81c5eb6ce7e9e4e050281f4daa785a0dd7c7902cf78b9a114cdb27937e2a56b3
[INFO] running `Command { std: "docker" "start" "-a" "81c5eb6ce7e9e4e050281f4daa785a0dd7c7902cf78b9a114cdb27937e2a56b3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fut_rwlock-ee15453e20c5becc)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[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::read_one ... ok
[INFO] [stdout] test tests::write_prevents_try_write_now_and_try_read_now ... ok
[INFO] [stdout] test tests::write_mutates_inner_value ... ok
[INFO] [stdout] test tests::write_then_drop_then_read ... 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 3.21s
[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" "81c5eb6ce7e9e4e050281f4daa785a0dd7c7902cf78b9a114cdb27937e2a56b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c5eb6ce7e9e4e050281f4daa785a0dd7c7902cf78b9a114cdb27937e2a56b3", kill_on_drop: false }`
[INFO] [stdout] 81c5eb6ce7e9e4e050281f4daa785a0dd7c7902cf78b9a114cdb27937e2a56b3