[INFO] fetching crate rust-web-server 16.1.0...
[INFO] checking rust-web-server-16.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate rust-web-server 16.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate rust-web-server 16.1.0
[INFO] finished tweaking crates.io crate rust-web-server 16.1.0
[INFO] tweaked toml for crates.io crate rust-web-server 16.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-web-server 16.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45d3fed5b742c69409c46999deb42b53f5c2d478e8a714f32f9f9d6d8a3ddece
[INFO] running `Command { std: "docker" "start" "-a" "45d3fed5b742c69409c46999deb42b53f5c2d478e8a714f32f9f9d6d8a3ddece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45d3fed5b742c69409c46999deb42b53f5c2d478e8a714f32f9f9d6d8a3ddece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d3fed5b742c69409c46999deb42b53f5c2d478e8a714f32f9f9d6d8a3ddece", kill_on_drop: false }`
[INFO] [stdout] 45d3fed5b742c69409c46999deb42b53f5c2d478e8a714f32f9f9d6d8a3ddece
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70544e4cd2b23bf0154b6ebd0dcbcdfcf61f32e7da1c11f43795083b8b10e4bb
[INFO] running `Command { std: "docker" "start" "-a" "70544e4cd2b23bf0154b6ebd0dcbcdfcf61f32e7da1c11f43795083b8b10e4bb", kill_on_drop: false }`
[INFO] [stderr]     Checking url-search-params v12.0.0
[INFO] [stderr]     Checking file-ext v12.0.0
[INFO] [stderr]     Checking url-build-parse v12.1.0
[INFO] [stderr]     Checking rust-web-server v16.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `App` is never constructed
[INFO] [stdout]   --> src/application/example/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct App {}
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IndexController` is never constructed
[INFO] [stdout]   --> src/controller/example/mod.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct IndexController;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `INDEX_FILEPATH` is never used
[INFO] [stdout]   --> src/controller/example/mod.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl IndexController {
[INFO] [stdout]    | -------------------- associated constant in this implementation
[INFO] [stdout] 13 |     pub const INDEX_FILEPATH: &'static str = "index.html";
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "70544e4cd2b23bf0154b6ebd0dcbcdfcf61f32e7da1c11f43795083b8b10e4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70544e4cd2b23bf0154b6ebd0dcbcdfcf61f32e7da1c11f43795083b8b10e4bb", kill_on_drop: false }`
[INFO] [stdout] 70544e4cd2b23bf0154b6ebd0dcbcdfcf61f32e7da1c11f43795083b8b10e4bb