[INFO] cloning repository https://github.com/JohnAndrewPurio/async_web_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnAndrewPurio/async_web_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnAndrewPurio%2Fasync_web_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnAndrewPurio%2Fasync_web_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df2ff07352dd82ce41f278e02d148d06c09ab50b
[INFO] checking JohnAndrewPurio/async_web_server against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnAndrewPurio%2Fasync_web_server" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohnAndrewPurio/async_web_server 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/JohnAndrewPurio/async_web_server
[INFO] finished tweaking git repo https://github.com/JohnAndrewPurio/async_web_server
[INFO] tweaked toml for git repo https://github.com/JohnAndrewPurio/async_web_server written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JohnAndrewPurio/async_web_server 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 async-executor v1.6.0
[INFO] [stderr]   Downloaded blocking v1.4.1
[INFO] [stderr]   Downloaded async-task v4.5.0
[INFO] [stderr]   Downloaded concurrent-queue v2.3.0
[INFO] [stderr]   Downloaded value-bag v1.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 557a64125925b51bdf2290dc0ef7404bc0d381ac28b921291912e75bf3177ff4
[INFO] running `Command { std: "docker" "start" "-a" "557a64125925b51bdf2290dc0ef7404bc0d381ac28b921291912e75bf3177ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "557a64125925b51bdf2290dc0ef7404bc0d381ac28b921291912e75bf3177ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "557a64125925b51bdf2290dc0ef7404bc0d381ac28b921291912e75bf3177ff4", kill_on_drop: false }`
[INFO] [stdout] 557a64125925b51bdf2290dc0ef7404bc0d381ac28b921291912e75bf3177ff4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c50f44b24290a1dfdef992f9fce903c80945884838b33cb95e84357bd5d845d5
[INFO] running `Command { std: "docker" "start" "-a" "c50f44b24290a1dfdef992f9fce903c80945884838b33cb95e84357bd5d845d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking value-bag v1.4.2
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking blocking v1.4.1
[INFO] [stderr]     Checking async-executor v1.6.0
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking async_web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.99s
[INFO] running `Command { std: "docker" "inspect" "c50f44b24290a1dfdef992f9fce903c80945884838b33cb95e84357bd5d845d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50f44b24290a1dfdef992f9fce903c80945884838b33cb95e84357bd5d845d5", kill_on_drop: false }`
[INFO] [stdout] c50f44b24290a1dfdef992f9fce903c80945884838b33cb95e84357bd5d845d5
[INFO] checking JohnAndrewPurio/async_web_server against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnAndrewPurio%2Fasync_web_server" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohnAndrewPurio/async_web_server 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/JohnAndrewPurio/async_web_server
[INFO] finished tweaking git repo https://github.com/JohnAndrewPurio/async_web_server
[INFO] tweaked toml for git repo https://github.com/JohnAndrewPurio/async_web_server written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JohnAndrewPurio/async_web_server 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 70e899d3a5a8599b25091e2bc962841c448a75c9f4051dac9b4e9f96a6750e94
[INFO] running `Command { std: "docker" "start" "-a" "70e899d3a5a8599b25091e2bc962841c448a75c9f4051dac9b4e9f96a6750e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70e899d3a5a8599b25091e2bc962841c448a75c9f4051dac9b4e9f96a6750e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e899d3a5a8599b25091e2bc962841c448a75c9f4051dac9b4e9f96a6750e94", kill_on_drop: false }`
[INFO] [stdout] 70e899d3a5a8599b25091e2bc962841c448a75c9f4051dac9b4e9f96a6750e94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e5e92b53bf36fc56cc595aea90c66d1d9b5ac11b5c18448d222a28d01e967e2d
[INFO] running `Command { std: "docker" "start" "-a" "e5e92b53bf36fc56cc595aea90c66d1d9b5ac11b5c18448d222a28d01e967e2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking value-bag v1.4.2
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking blocking v1.4.1
[INFO] [stderr]     Checking async-executor v1.6.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking async_web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.54s
[INFO] running `Command { std: "docker" "inspect" "e5e92b53bf36fc56cc595aea90c66d1d9b5ac11b5c18448d222a28d01e967e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e92b53bf36fc56cc595aea90c66d1d9b5ac11b5c18448d222a28d01e967e2d", kill_on_drop: false }`
[INFO] [stdout] e5e92b53bf36fc56cc595aea90c66d1d9b5ac11b5c18448d222a28d01e967e2d