[INFO] fetching crate websocket-client-async 0.1.4...
[INFO] checking websocket-client-async-0.1.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate websocket-client-async 0.1.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate websocket-client-async 0.1.4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate websocket-client-async 0.1.4
[INFO] finished tweaking crates.io crate websocket-client-async 0.1.4
[INFO] tweaked toml for crates.io crate websocket-client-async 0.1.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate websocket-client-async 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.29
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.29
[INFO] [stderr]   Downloaded async-lock v2.5.0
[INFO] [stderr]   Downloaded wasm-logger v0.2.0
[INFO] [stderr]   Downloaded event-listener v2.5.2
[INFO] [stderr]   Downloaded aqueue v1.2.3
[INFO] [stderr]   Downloaded tungstenite v0.16.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a273a138f97f932a7b39914dd13ad5e36121c4c5e753584538b035f05eb2bf26
[INFO] running `Command { std: "docker" "start" "-a" "a273a138f97f932a7b39914dd13ad5e36121c4c5e753584538b035f05eb2bf26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a273a138f97f932a7b39914dd13ad5e36121c4c5e753584538b035f05eb2bf26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a273a138f97f932a7b39914dd13ad5e36121c4c5e753584538b035f05eb2bf26", kill_on_drop: false }`
[INFO] [stdout] a273a138f97f932a7b39914dd13ad5e36121c4c5e753584538b035f05eb2bf26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c02e315c747c50f03928258c4f0a8fdafcc6d5f36bbcdf2b761da6eea5409af1
[INFO] running `Command { std: "docker" "start" "-a" "c02e315c747c50f03928258c4f0a8fdafcc6d5f36bbcdf2b761da6eea5409af1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[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 futures-core v0.3.21
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.29
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.79
[INFO] [stderr]     Checking aqueue v1.2.3
[INFO] [stderr]     Checking js-sys v0.3.56
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.29
[INFO] [stderr]     Checking web-sys v0.3.56
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.29
[INFO] [stderr]     Checking wasm-logger v0.2.0
[INFO] [stderr]     Checking websocket-client-async v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.79
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c02e315c747c50f03928258c4f0a8fdafcc6d5f36bbcdf2b761da6eea5409af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c02e315c747c50f03928258c4f0a8fdafcc6d5f36bbcdf2b761da6eea5409af1", kill_on_drop: false }`
[INFO] [stdout] c02e315c747c50f03928258c4f0a8fdafcc6d5f36bbcdf2b761da6eea5409af1
[INFO] checking websocket-client-async-0.1.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate websocket-client-async 0.1.4 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate websocket-client-async 0.1.4 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate websocket-client-async 0.1.4
[INFO] finished tweaking crates.io crate websocket-client-async 0.1.4
[INFO] tweaked toml for crates.io crate websocket-client-async 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate websocket-client-async 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b4f0849b1c3caa109bf54d79f01eb7b13db9acb4bb70fb55ce5e07df6c808b5
[INFO] running `Command { std: "docker" "start" "-a" "5b4f0849b1c3caa109bf54d79f01eb7b13db9acb4bb70fb55ce5e07df6c808b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b4f0849b1c3caa109bf54d79f01eb7b13db9acb4bb70fb55ce5e07df6c808b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4f0849b1c3caa109bf54d79f01eb7b13db9acb4bb70fb55ce5e07df6c808b5", kill_on_drop: false }`
[INFO] [stdout] 5b4f0849b1c3caa109bf54d79f01eb7b13db9acb4bb70fb55ce5e07df6c808b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dfa9e2a9421c5cc492b39291a5c6b712342d4ed25512250eed21e866991a3e3
[INFO] running `Command { std: "docker" "start" "-a" "9dfa9e2a9421c5cc492b39291a5c6b712342d4ed25512250eed21e866991a3e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[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 futures-core v0.3.21
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.29
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.79
[INFO] [stderr]     Checking aqueue v1.2.3
[INFO] [stderr]     Checking js-sys v0.3.56
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.29
[INFO] [stderr]     Checking web-sys v0.3.56
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.29
[INFO] [stderr]     Checking wasm-logger v0.2.0
[INFO] [stderr]     Checking websocket-client-async v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.90s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.79
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "9dfa9e2a9421c5cc492b39291a5c6b712342d4ed25512250eed21e866991a3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dfa9e2a9421c5cc492b39291a5c6b712342d4ed25512250eed21e866991a3e3", kill_on_drop: false }`
[INFO] [stdout] 9dfa9e2a9421c5cc492b39291a5c6b712342d4ed25512250eed21e866991a3e3