[INFO] cloning repository https://github.com/Moomink/webServ-on-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Moomink/webServ-on-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoomink%2FwebServ-on-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoomink%2FwebServ-on-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a476ee8f109cb885b2e5da4c7f9507068b31a7a8
[INFO] checking Moomink/webServ-on-Rust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoomink%2FwebServ-on-Rust" "/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/Moomink/webServ-on-Rust on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Moomink/webServ-on-Rust
[INFO] finished tweaking git repo https://github.com/Moomink/webServ-on-Rust
[INFO] tweaked toml for git repo https://github.com/Moomink/webServ-on-Rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Moomink/webServ-on-Rust 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 946635028f126b6bde0fef3ecd31d04d453d31e25f774d1329a93deb4fa74583
[INFO] running `Command { std: "docker" "start" "-a" "946635028f126b6bde0fef3ecd31d04d453d31e25f774d1329a93deb4fa74583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "946635028f126b6bde0fef3ecd31d04d453d31e25f774d1329a93deb4fa74583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "946635028f126b6bde0fef3ecd31d04d453d31e25f774d1329a93deb4fa74583", kill_on_drop: false }`
[INFO] [stdout] 946635028f126b6bde0fef3ecd31d04d453d31e25f774d1329a93deb4fa74583
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecea79e82b9f83bc0bbe40bbcaf2d6db82fa25644e187744e9631c17b170bdb9
[INFO] running `Command { std: "docker" "start" "-a" "ecea79e82b9f83bc0bbe40bbcaf2d6db82fa25644e187744e9631c17b170bdb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking tcp_web v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `mime` is imported redundantly
[INFO] [stdout]  --> src/http_handler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use mime;
[INFO] [stdout]   |     ^^^^ the item `mime` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mime` is imported redundantly
[INFO] [stdout]  --> src/http_handler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use mime;
[INFO] [stdout]   |     ^^^^ the item `mime` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "ecea79e82b9f83bc0bbe40bbcaf2d6db82fa25644e187744e9631c17b170bdb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecea79e82b9f83bc0bbe40bbcaf2d6db82fa25644e187744e9631c17b170bdb9", kill_on_drop: false }`
[INFO] [stdout] ecea79e82b9f83bc0bbe40bbcaf2d6db82fa25644e187744e9631c17b170bdb9
[INFO] checking Moomink/webServ-on-Rust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoomink%2FwebServ-on-Rust" "/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/Moomink/webServ-on-Rust on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Moomink/webServ-on-Rust
[INFO] finished tweaking git repo https://github.com/Moomink/webServ-on-Rust
[INFO] tweaked toml for git repo https://github.com/Moomink/webServ-on-Rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Moomink/webServ-on-Rust 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec186ae685677a9d75feb1428ced80a294241671463652b7d4b7d2241f16c25d
[INFO] running `Command { std: "docker" "start" "-a" "ec186ae685677a9d75feb1428ced80a294241671463652b7d4b7d2241f16c25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec186ae685677a9d75feb1428ced80a294241671463652b7d4b7d2241f16c25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec186ae685677a9d75feb1428ced80a294241671463652b7d4b7d2241f16c25d", kill_on_drop: false }`
[INFO] [stdout] ec186ae685677a9d75feb1428ced80a294241671463652b7d4b7d2241f16c25d
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21a17f2452165814ae95b6c1a4d9e53f15e182f0e2ead26b59d0dde8d627fd1d
[INFO] running `Command { std: "docker" "start" "-a" "21a17f2452165814ae95b6c1a4d9e53f15e182f0e2ead26b59d0dde8d627fd1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking tcp_web v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `mime` is imported redundantly
[INFO] [stdout]  --> src/http_handler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use mime;
[INFO] [stdout]   |     ^^^^ the item `mime` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mime` is imported redundantly
[INFO] [stdout]  --> src/http_handler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use mime;
[INFO] [stdout]   |     ^^^^ the item `mime` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/http_handler.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 | /                 match current_connection {
[INFO] [stdout] 139 | |                     "keep-alive" => continue,
[INFO] [stdout] 140 | |                     "None" | &_ => {
[INFO] [stdout] 141 | |                         stream
[INFO] [stdout] ...   |
[INFO] [stdout] 146 | |                     }
[INFO] [stdout] 147 | |                 };
[INFO] [stdout]     | |_________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/http_handler.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 | /                 match current_connection {
[INFO] [stdout] 139 | |                     "keep-alive" => continue,
[INFO] [stdout] 140 | |                     "None" | &_ => {
[INFO] [stdout] 141 | |                         stream
[INFO] [stdout] ...   |
[INFO] [stdout] 146 | |                     }
[INFO] [stdout] 147 | |                 };
[INFO] [stdout]     | |_________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp_web` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tcp_web` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "21a17f2452165814ae95b6c1a4d9e53f15e182f0e2ead26b59d0dde8d627fd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a17f2452165814ae95b6c1a4d9e53f15e182f0e2ead26b59d0dde8d627fd1d", kill_on_drop: false }`
[INFO] [stdout] 21a17f2452165814ae95b6c1a4d9e53f15e182f0e2ead26b59d0dde8d627fd1d