[INFO] cloning repository https://github.com/lsioctl/rust_book_webserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lsioctl/rust_book_webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flsioctl%2Frust_book_webserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flsioctl%2Frust_book_webserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfe5ff7a949f5461725ccfbdae5518bd6cdff758
[INFO] checking lsioctl/rust_book_webserver against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flsioctl%2Frust_book_webserver" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lsioctl/rust_book_webserver 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/lsioctl/rust_book_webserver
[INFO] finished tweaking git repo https://github.com/lsioctl/rust_book_webserver
[INFO] tweaked toml for git repo https://github.com/lsioctl/rust_book_webserver written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lsioctl/rust_book_webserver 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-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] 43b5810e86f16d07d9906694df55014db45970ed9cf47cd98fc2de479f48a0ba
[INFO] running `Command { std: "docker" "start" "-a" "43b5810e86f16d07d9906694df55014db45970ed9cf47cd98fc2de479f48a0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43b5810e86f16d07d9906694df55014db45970ed9cf47cd98fc2de479f48a0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b5810e86f16d07d9906694df55014db45970ed9cf47cd98fc2de479f48a0ba", kill_on_drop: false }`
[INFO] [stdout] 43b5810e86f16d07d9906694df55014db45970ed9cf47cd98fc2de479f48a0ba
[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] 371263f0dbd052dcfeaa96d535c2ceead926b84879ddeca69369d0f28f273384
[INFO] running `Command { std: "docker" "start" "-a" "371263f0dbd052dcfeaa96d535c2ceead926b84879ddeca69369d0f28f273384", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_book_webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "371263f0dbd052dcfeaa96d535c2ceead926b84879ddeca69369d0f28f273384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371263f0dbd052dcfeaa96d535c2ceead926b84879ddeca69369d0f28f273384", kill_on_drop: false }`
[INFO] [stdout] 371263f0dbd052dcfeaa96d535c2ceead926b84879ddeca69369d0f28f273384
[INFO] checking lsioctl/rust_book_webserver against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flsioctl%2Frust_book_webserver" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lsioctl/rust_book_webserver 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/lsioctl/rust_book_webserver
[INFO] finished tweaking git repo https://github.com/lsioctl/rust_book_webserver
[INFO] tweaked toml for git repo https://github.com/lsioctl/rust_book_webserver written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lsioctl/rust_book_webserver 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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ae4e76e4831cd75cfe74e8b1d4be878563c3c4db6aed2a5820faac3adb3d89d
[INFO] running `Command { std: "docker" "start" "-a" "6ae4e76e4831cd75cfe74e8b1d4be878563c3c4db6aed2a5820faac3adb3d89d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae4e76e4831cd75cfe74e8b1d4be878563c3c4db6aed2a5820faac3adb3d89d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae4e76e4831cd75cfe74e8b1d4be878563c3c4db6aed2a5820faac3adb3d89d", kill_on_drop: false }`
[INFO] [stdout] 6ae4e76e4831cd75cfe74e8b1d4be878563c3c4db6aed2a5820faac3adb3d89d
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6fd7dc6da78ba76ee9c38b040f24170c7d20248936ec273ca1e906718bb88bd
[INFO] running `Command { std: "docker" "start" "-a" "a6fd7dc6da78ba76ee9c38b040f24170c7d20248936ec273ca1e906718bb88bd", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_book_webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "a6fd7dc6da78ba76ee9c38b040f24170c7d20248936ec273ca1e906718bb88bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fd7dc6da78ba76ee9c38b040f24170c7d20248936ec273ca1e906718bb88bd", kill_on_drop: false }`
[INFO] [stdout] a6fd7dc6da78ba76ee9c38b040f24170c7d20248936ec273ca1e906718bb88bd