[INFO] cloning repository https://github.com/0xDAEF0F/rust-chat-app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xDAEF0F/rust-chat-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xDAEF0F%2Frust-chat-app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xDAEF0F%2Frust-chat-app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a32366dabf772420d0a3f4cbe8329b3abf70b92
[INFO] checking 0xDAEF0F/rust-chat-app against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xDAEF0F%2Frust-chat-app" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xDAEF0F/rust-chat-app 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] started tweaking git repo https://github.com/0xDAEF0F/rust-chat-app
[INFO] finished tweaking git repo https://github.com/0xDAEF0F/rust-chat-app
[INFO] tweaked toml for git repo https://github.com/0xDAEF0F/rust-chat-app written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/0xDAEF0F/rust-chat-app 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 itoa v1.0.10
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.91
[INFO] [stderr]   Downloaded serde_derive v1.0.196
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.91
[INFO] [stderr]   Downloaded anyhow v1.0.79
[INFO] [stderr]   Downloaded chrono v0.4.34
[INFO] [stderr]   Downloaded syn v2.0.49
[INFO] [stderr]   Downloaded js-sys v0.3.68
[INFO] [stderr]   Downloaded bumpalo v3.15.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.91
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.91
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.91
[INFO] [stderr]   Downloaded bitflags v2.4.2
[INFO] [stderr]   Downloaded smallvec v1.13.1
[INFO] [stderr]   Downloaded mio v0.8.10
[INFO] [stderr]   Downloaded serde v1.0.196
[INFO] [stderr]   Downloaded serde_json v1.0.113
[INFO] [stderr]   Downloaded ryu v1.0.16
[INFO] [stderr]   Downloaded proc-macro2 v1.0.78
[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] 36b63d639f8420079011f54d56bf13df5229a9c92f74350a1b30c53de1f2a769
[INFO] running `Command { std: "docker" "start" "-a" "36b63d639f8420079011f54d56bf13df5229a9c92f74350a1b30c53de1f2a769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36b63d639f8420079011f54d56bf13df5229a9c92f74350a1b30c53de1f2a769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b63d639f8420079011f54d56bf13df5229a9c92f74350a1b30c53de1f2a769", kill_on_drop: false }`
[INFO] [stdout] 36b63d639f8420079011f54d56bf13df5229a9c92f74350a1b30c53de1f2a769
[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] 06f7a6fec31556efafdf2f4289f2504f24fc518b620eaecc2402a5ba72d02d92
[INFO] running `Command { std: "docker" "start" "-a" "06f7a6fec31556efafdf2f4289f2504f24fc518b620eaecc2402a5ba72d02d92", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking rust-chat-app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.03s
[INFO] running `Command { std: "docker" "inspect" "06f7a6fec31556efafdf2f4289f2504f24fc518b620eaecc2402a5ba72d02d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f7a6fec31556efafdf2f4289f2504f24fc518b620eaecc2402a5ba72d02d92", kill_on_drop: false }`
[INFO] [stdout] 06f7a6fec31556efafdf2f4289f2504f24fc518b620eaecc2402a5ba72d02d92
[INFO] checking 0xDAEF0F/rust-chat-app against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xDAEF0F%2Frust-chat-app" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xDAEF0F/rust-chat-app 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] started tweaking git repo https://github.com/0xDAEF0F/rust-chat-app
[INFO] finished tweaking git repo https://github.com/0xDAEF0F/rust-chat-app
[INFO] tweaked toml for git repo https://github.com/0xDAEF0F/rust-chat-app written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/0xDAEF0F/rust-chat-app 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] 819c46ac67ab48173e0109698a09e6b7e5e8e5b6a119d5d6a63bf7a784fbe543
[INFO] running `Command { std: "docker" "start" "-a" "819c46ac67ab48173e0109698a09e6b7e5e8e5b6a119d5d6a63bf7a784fbe543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "819c46ac67ab48173e0109698a09e6b7e5e8e5b6a119d5d6a63bf7a784fbe543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819c46ac67ab48173e0109698a09e6b7e5e8e5b6a119d5d6a63bf7a784fbe543", kill_on_drop: false }`
[INFO] [stdout] 819c46ac67ab48173e0109698a09e6b7e5e8e5b6a119d5d6a63bf7a784fbe543
[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] 2c582cecd5bc44575328b0f718517bc9b53968032b3b0b2e2489bf9d905c2384
[INFO] running `Command { std: "docker" "start" "-a" "2c582cecd5bc44575328b0f718517bc9b53968032b3b0b2e2489bf9d905c2384", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking rust-chat-app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.99s
[INFO] running `Command { std: "docker" "inspect" "2c582cecd5bc44575328b0f718517bc9b53968032b3b0b2e2489bf9d905c2384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c582cecd5bc44575328b0f718517bc9b53968032b3b0b2e2489bf9d905c2384", kill_on_drop: false }`
[INFO] [stdout] 2c582cecd5bc44575328b0f718517bc9b53968032b3b0b2e2489bf9d905c2384