[INFO] cloning repository https://github.com/zhenyanovikov/rust-http-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhenyanovikov/rust-http-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhenyanovikov%2Frust-http-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhenyanovikov%2Frust-http-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4a622ce52512f602fb2f18e19163dcb9466a2b7
[INFO] checking zhenyanovikov/rust-http-server against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhenyanovikov%2Frust-http-server" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhenyanovikov/rust-http-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/zhenyanovikov/rust-http-server
[INFO] finished tweaking git repo https://github.com/zhenyanovikov/rust-http-server
[INFO] tweaked toml for git repo https://github.com/zhenyanovikov/rust-http-server written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zhenyanovikov/rust-http-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 028274d9eacfd6c245b364a23590c8c5adf0c6f721bf475a48dd64054b7823c0
[INFO] running `Command { std: "docker" "start" "-a" "028274d9eacfd6c245b364a23590c8c5adf0c6f721bf475a48dd64054b7823c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "028274d9eacfd6c245b364a23590c8c5adf0c6f721bf475a48dd64054b7823c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028274d9eacfd6c245b364a23590c8c5adf0c6f721bf475a48dd64054b7823c0", kill_on_drop: false }`
[INFO] [stdout] 028274d9eacfd6c245b364a23590c8c5adf0c6f721bf475a48dd64054b7823c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 018796a15b86b4798be65830b65828223fb413661949b0778b07af767793ced7
[INFO] running `Command { std: "docker" "start" "-a" "018796a15b86b4798be65830b65828223fb413661949b0778b07af767793ced7", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking my-http-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `Command { std: "docker" "inspect" "018796a15b86b4798be65830b65828223fb413661949b0778b07af767793ced7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018796a15b86b4798be65830b65828223fb413661949b0778b07af767793ced7", kill_on_drop: false }`
[INFO] [stdout] 018796a15b86b4798be65830b65828223fb413661949b0778b07af767793ced7
[INFO] checking zhenyanovikov/rust-http-server against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhenyanovikov%2Frust-http-server" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhenyanovikov/rust-http-server on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhenyanovikov/rust-http-server
[INFO] finished tweaking git repo https://github.com/zhenyanovikov/rust-http-server
[INFO] tweaked toml for git repo https://github.com/zhenyanovikov/rust-http-server written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zhenyanovikov/rust-http-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ccd9becf8ededb1e5683a5ff5e807e9153b595e76fff925b95eab496c9ad10f
[INFO] running `Command { std: "docker" "start" "-a" "4ccd9becf8ededb1e5683a5ff5e807e9153b595e76fff925b95eab496c9ad10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ccd9becf8ededb1e5683a5ff5e807e9153b595e76fff925b95eab496c9ad10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ccd9becf8ededb1e5683a5ff5e807e9153b595e76fff925b95eab496c9ad10f", kill_on_drop: false }`
[INFO] [stdout] 4ccd9becf8ededb1e5683a5ff5e807e9153b595e76fff925b95eab496c9ad10f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebbc57fe7676b9be65ef1e9b73ce6b1e57a83731bac0c8b95dc58bb7508ada32
[INFO] running `Command { std: "docker" "start" "-a" "ebbc57fe7676b9be65ef1e9b73ce6b1e57a83731bac0c8b95dc58bb7508ada32", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking my-http-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "ebbc57fe7676b9be65ef1e9b73ce6b1e57a83731bac0c8b95dc58bb7508ada32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebbc57fe7676b9be65ef1e9b73ce6b1e57a83731bac0c8b95dc58bb7508ada32", kill_on_drop: false }`
[INFO] [stdout] ebbc57fe7676b9be65ef1e9b73ce6b1e57a83731bac0c8b95dc58bb7508ada32