[INFO] fetching crate basic-http-server 0.8.1... [INFO] testing basic-http-server-0.8.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate basic-http-server 0.8.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate basic-http-server 0.8.1 [INFO] finished tweaking crates.io crate basic-http-server 0.8.1 [INFO] tweaked toml for crates.io crate basic-http-server 0.8.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate basic-http-server 0.8.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate basic-http-server 0.8.1 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 929a510bdacc8a3a1ce0816a8ca627a0ca48e9f65881b7bdf44a575cdfe20c48 [INFO] running `Command { std: "docker" "start" "-a" "929a510bdacc8a3a1ce0816a8ca627a0ca48e9f65881b7bdf44a575cdfe20c48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "929a510bdacc8a3a1ce0816a8ca627a0ca48e9f65881b7bdf44a575cdfe20c48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "929a510bdacc8a3a1ce0816a8ca627a0ca48e9f65881b7bdf44a575cdfe20c48", kill_on_drop: false }` [INFO] [stdout] 929a510bdacc8a3a1ce0816a8ca627a0ca48e9f65881b7bdf44a575cdfe20c48 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 047821984b193d9a82aaba648dbf68f903249a0ef8ad26c07faa9d147935ea55 [INFO] running `Command { std: "docker" "start" "-a" "047821984b193d9a82aaba648dbf68f903249a0ef8ad26c07faa9d147935ea55", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling ucd-trie v0.1.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling tracing-core v0.1.7 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling pest v2.1.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling lock_api v0.3.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.11.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling pest_meta v2.1.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [INFO] [stderr] Compiling http v0.1.19 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling unchecked-index v0.2.2 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling tower-service v0.3.0-alpha.2 [INFO] [stderr] Compiling same-file v1.0.5 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling walkdir v2.2.9 [INFO] [stderr] Compiling twoway v0.2.1 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling typed-arena v1.7.0 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling entities v1.0.1 [INFO] [stderr] Compiling unicode_categories v0.1.1 [INFO] [stderr] Compiling mime v0.3.14 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling http-body v0.2.0-alpha.3 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Compiling pest_generator v2.1.1 [INFO] [stderr] Compiling pin-project-internal v0.4.5 [INFO] [stderr] Compiling tracing-attributes v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Compiling tracing v0.1.10 [INFO] [stderr] Compiling tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling comrak v0.6.2 [INFO] [stderr] Compiling pin-project v0.4.5 [INFO] [stderr] Compiling tokio-io v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Compiling tower-make v0.3.0-alpha.2a [INFO] [stderr] Compiling h2 v0.2.0-alpha.3 [INFO] [stderr] Compiling tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio-net v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Compiling tokio v0.2.0-alpha.6 [INFO] [stderr] Compiling hyper v0.13.0-alpha.4 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling handlebars v1.1.0 [INFO] [stderr] Compiling basic-http-server v0.8.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/main.rs:423:10 [INFO] [stdout] | [INFO] [stdout] 423 | #[derive(Serialize)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/main.rs:423:10 [INFO] [stdout] | [INFO] [stdout] 423 | #[derive(Serialize)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_HtmlCfg` [INFO] [stdout] 424 | struct HtmlCfg { [INFO] [stdout] | ------- `HtmlCfg` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.03s [INFO] running `Command { std: "docker" "inspect" "047821984b193d9a82aaba648dbf68f903249a0ef8ad26c07faa9d147935ea55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "047821984b193d9a82aaba648dbf68f903249a0ef8ad26c07faa9d147935ea55", kill_on_drop: false }` [INFO] [stdout] 047821984b193d9a82aaba648dbf68f903249a0ef8ad26c07faa9d147935ea55 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78b1feffb77e92570d72f911f52eb460f8106d5dfeb6f52da06db1a9a9201a1b [INFO] running `Command { std: "docker" "start" "-a" "78b1feffb77e92570d72f911f52eb460f8106d5dfeb6f52da06db1a9a9201a1b", kill_on_drop: false }` [INFO] [stderr] Compiling basic-http-server v0.8.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/main.rs:423:10 [INFO] [stdout] | [INFO] [stdout] 423 | #[derive(Serialize)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/main.rs:423:10 [INFO] [stdout] | [INFO] [stdout] 423 | #[derive(Serialize)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_HtmlCfg` [INFO] [stdout] 424 | struct HtmlCfg { [INFO] [stdout] | ------- `HtmlCfg` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `Command { std: "docker" "inspect" "78b1feffb77e92570d72f911f52eb460f8106d5dfeb6f52da06db1a9a9201a1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78b1feffb77e92570d72f911f52eb460f8106d5dfeb6f52da06db1a9a9201a1b", kill_on_drop: false }` [INFO] [stdout] 78b1feffb77e92570d72f911f52eb460f8106d5dfeb6f52da06db1a9a9201a1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d06f095c8d92091eed183dd9b44502884b40377a1a759e776f230d720a158394 [INFO] running `Command { std: "docker" "start" "-a" "d06f095c8d92091eed183dd9b44502884b40377a1a759e776f230d720a158394", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stderr] --> src/main.rs:423:10 [INFO] [stderr] | [INFO] [stderr] 423 | #[derive(Serialize)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: no expected values for `feature` [INFO] [stderr] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stderr] = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stderr] = help: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stderr] --> src/main.rs:423:10 [INFO] [stderr] | [INFO] [stderr] 423 | #[derive(Serialize)] [INFO] [stderr] | ^-------- [INFO] [stderr] | | [INFO] [stderr] | `Serialize` is not local [INFO] [stderr] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_HtmlCfg` [INFO] [stderr] 424 | struct HtmlCfg { [INFO] [stderr] | ------- `HtmlCfg` is not local [INFO] [stderr] | [INFO] [stderr] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stderr] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stderr] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stderr] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stderr] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stderr] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `basic-http-server` (bin "basic-http-server" test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/basic_http_server-6b45a38a75efc5d3) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d06f095c8d92091eed183dd9b44502884b40377a1a759e776f230d720a158394", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d06f095c8d92091eed183dd9b44502884b40377a1a759e776f230d720a158394", kill_on_drop: false }` [INFO] [stdout] d06f095c8d92091eed183dd9b44502884b40377a1a759e776f230d720a158394