[INFO] fetching crate tokio-websockets 0.4.1...
[INFO] checking tokio-websockets-0.4.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tokio-websockets 0.4.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate tokio-websockets 0.4.1 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-7-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate tokio-websockets 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tokio-websockets 0.4.1
[INFO] tweaked toml for crates.io crate tokio-websockets 0.4.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate tokio-websockets 0.4.1 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 rustls v0.21.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 19a7a6a9c3b138cce0969be1ccde17d21ca492e77701a05f482280c785b1a409
[INFO] running `Command { std: "docker" "start" "-a" "19a7a6a9c3b138cce0969be1ccde17d21ca492e77701a05f482280c785b1a409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19a7a6a9c3b138cce0969be1ccde17d21ca492e77701a05f482280c785b1a409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a7a6a9c3b138cce0969be1ccde17d21ca492e77701a05f482280c785b1a409", kill_on_drop: false }`
[INFO] [stdout] 19a7a6a9c3b138cce0969be1ccde17d21ca492e77701a05f482280c785b1a409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5e146e0f7f449229e956ed7832d402a8bca7ce5500d7f3856c31714a0c6ae28e
[INFO] running `Command { std: "docker" "start" "-a" "5e146e0f7f449229e956ed7832d402a8bca7ce5500d7f3856c31714a0c6ae28e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling rustls v0.21.9
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tokio-websockets v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.67s
[INFO] running `Command { std: "docker" "inspect" "5e146e0f7f449229e956ed7832d402a8bca7ce5500d7f3856c31714a0c6ae28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e146e0f7f449229e956ed7832d402a8bca7ce5500d7f3856c31714a0c6ae28e", kill_on_drop: false }`
[INFO] [stdout] 5e146e0f7f449229e956ed7832d402a8bca7ce5500d7f3856c31714a0c6ae28e
[INFO] checking tokio-websockets-0.4.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate tokio-websockets 0.4.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate tokio-websockets 0.4.1 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-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate tokio-websockets 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tokio-websockets 0.4.1
[INFO] tweaked toml for crates.io crate tokio-websockets 0.4.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate tokio-websockets 0.4.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1353f8308bec8ffa706a06c5f9704b74f39b35646632281bda50a35774d26b5b
[INFO] running `Command { std: "docker" "start" "-a" "1353f8308bec8ffa706a06c5f9704b74f39b35646632281bda50a35774d26b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1353f8308bec8ffa706a06c5f9704b74f39b35646632281bda50a35774d26b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1353f8308bec8ffa706a06c5f9704b74f39b35646632281bda50a35774d26b5b", kill_on_drop: false }`
[INFO] [stdout] 1353f8308bec8ffa706a06c5f9704b74f39b35646632281bda50a35774d26b5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4a4b7ca12ffdc785bebe799332111989683431fc09b89c056e94ceb792572d18
[INFO] running `Command { std: "docker" "start" "-a" "4a4b7ca12ffdc785bebe799332111989683431fc09b89c056e94ceb792572d18", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling rustls v0.21.9
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tokio-websockets v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.35s
[INFO] running `Command { std: "docker" "inspect" "4a4b7ca12ffdc785bebe799332111989683431fc09b89c056e94ceb792572d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4b7ca12ffdc785bebe799332111989683431fc09b89c056e94ceb792572d18", kill_on_drop: false }`
[INFO] [stdout] 4a4b7ca12ffdc785bebe799332111989683431fc09b89c056e94ceb792572d18