[INFO] fetching crate wasm-message-passing-3nweb 0.2.0...
[INFO] testing wasm-message-passing-3nweb-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate wasm-message-passing-3nweb 0.2.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate wasm-message-passing-3nweb 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-message-passing-3nweb 0.2.0
[INFO] finished tweaking crates.io crate wasm-message-passing-3nweb 0.2.0
[INFO] tweaked toml for crates.io crate wasm-message-passing-3nweb 0.2.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8aeacadf4439e270a8d82081437fb51612c53e35b5871966c58cb06554d6784
[INFO] running `Command { std: "docker" "start" "-a" "a8aeacadf4439e270a8d82081437fb51612c53e35b5871966c58cb06554d6784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8aeacadf4439e270a8d82081437fb51612c53e35b5871966c58cb06554d6784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8aeacadf4439e270a8d82081437fb51612c53e35b5871966c58cb06554d6784", kill_on_drop: false }`
[INFO] [stdout] a8aeacadf4439e270a8d82081437fb51612c53e35b5871966c58cb06554d6784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d09fe7766bd6225c04af7562dc44ff66b33a92d79de735733fa6db1403f72f79
[INFO] running `Command { std: "docker" "start" "-a" "d09fe7766bd6225c04af7562dc44ff66b33a92d79de735733fa6db1403f72f79", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.80
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.80
[INFO] [stderr]    Compiling wasm-message-passing-3nweb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/wasm_mp1.rs:58:2
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     /// This simple classic externing expects to find these functions in `env`
[INFO] [stdout] 59 | |     /// object/namespace imported to WASM by embedding.
[INFO] [stdout] 60 | |     /// 
[INFO] [stdout]    | |________^
[INFO] [stdout] 61 | /     extern {
[INFO] [stdout] 62 | |
[INFO] [stdout] 63 | |         /// Don't use this directly.
[INFO] [stdout] 64 | |         /// WASM embedding is expected to provide this function in accordance with
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |
[INFO] [stdout] 89 | |     }
[INFO] [stdout]    | |_____- rustdoc does not generate documentation for extern block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.41s
[INFO] running `Command { std: "docker" "inspect" "d09fe7766bd6225c04af7562dc44ff66b33a92d79de735733fa6db1403f72f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09fe7766bd6225c04af7562dc44ff66b33a92d79de735733fa6db1403f72f79", kill_on_drop: false }`
[INFO] [stdout] d09fe7766bd6225c04af7562dc44ff66b33a92d79de735733fa6db1403f72f79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 577298dfe94b57c1f52f12daa5a5858a529a7adc9d8f960950496067d036cfdf
[INFO] running `Command { std: "docker" "start" "-a" "577298dfe94b57c1f52f12daa5a5858a529a7adc9d8f960950496067d036cfdf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wasm-message-passing-3nweb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/wasm_mp1.rs:58:2
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     /// This simple classic externing expects to find these functions in `env`
[INFO] [stdout] 59 | |     /// object/namespace imported to WASM by embedding.
[INFO] [stdout] 60 | |     /// 
[INFO] [stdout]    | |________^
[INFO] [stdout] 61 | /     extern {
[INFO] [stdout] 62 | |
[INFO] [stdout] 63 | |         /// Don't use this directly.
[INFO] [stdout] 64 | |         /// WASM embedding is expected to provide this function in accordance with
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |
[INFO] [stdout] 89 | |     }
[INFO] [stdout]    | |_____- rustdoc does not generate documentation for extern block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/wasm_mp1.rs:58:2
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     /// This simple classic externing expects to find these functions in `env`
[INFO] [stdout] 59 | |     /// object/namespace imported to WASM by embedding.
[INFO] [stdout] 60 | |     /// 
[INFO] [stdout]    | |________^
[INFO] [stdout] 61 | /     extern {
[INFO] [stdout] 62 | |
[INFO] [stdout] 63 | |         /// Don't use this directly.
[INFO] [stdout] 64 | |         /// WASM embedding is expected to provide this function in accordance with
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |
[INFO] [stdout] 89 | |     }
[INFO] [stdout]    | |_____- rustdoc does not generate documentation for extern block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/wasm_message_passing_3nweb-c2954d3178ad501e)
[INFO] running `Command { std: "docker" "inspect" "577298dfe94b57c1f52f12daa5a5858a529a7adc9d8f960950496067d036cfdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577298dfe94b57c1f52f12daa5a5858a529a7adc9d8f960950496067d036cfdf", kill_on_drop: false }`
[INFO] [stdout] 577298dfe94b57c1f52f12daa5a5858a529a7adc9d8f960950496067d036cfdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ecd04370bca6c4da79cfa72a5e19ee85465d352e3d9cbd473c3455341346690
[INFO] running `Command { std: "docker" "start" "-a" "5ecd04370bca6c4da79cfa72a5e19ee85465d352e3d9cbd473c3455341346690", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/wasm_mp1.rs:58:2
[INFO] [stderr]    |
[INFO] [stderr] 58 | /     /// This simple classic externing expects to find these functions in `env`
[INFO] [stderr] 59 | |     /// object/namespace imported to WASM by embedding.
[INFO] [stderr] 60 | |     /// 
[INFO] [stderr]    | |________^
[INFO] [stderr] 61 | /     extern {
[INFO] [stderr] 62 | |
[INFO] [stderr] 63 | |         /// Don't use this directly.
[INFO] [stderr] 64 | |         /// WASM embedding is expected to provide this function in accordance with
[INFO] [stderr] ...  |
[INFO] [stderr] 88 | |
[INFO] [stderr] 89 | |     }
[INFO] [stderr]    | |_____- rustdoc does not generate documentation for extern block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: `wasm-message-passing-3nweb` (lib) generated 1 warning
[INFO] [stderr] warning: `wasm-message-passing-3nweb` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wasm_message_passing_3nweb-c2954d3178ad501e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wasm-message-passing-3nweb
[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] [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" "5ecd04370bca6c4da79cfa72a5e19ee85465d352e3d9cbd473c3455341346690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ecd04370bca6c4da79cfa72a5e19ee85465d352e3d9cbd473c3455341346690", kill_on_drop: false }`
[INFO] [stdout] 5ecd04370bca6c4da79cfa72a5e19ee85465d352e3d9cbd473c3455341346690