[INFO] cloning repository https://github.com/komamitsu/rust-toy-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/komamitsu/rust-toy-http-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomamitsu%2Frust-toy-http-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomamitsu%2Frust-toy-http-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfceaf9197e31a1d20d2d5674cb0cfff0b9b5baf
[INFO] building komamitsu/rust-toy-http-server against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomamitsu%2Frust-toy-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/komamitsu/rust-toy-http-server on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/komamitsu/rust-toy-http-server
[INFO] finished tweaking git repo https://github.com/komamitsu/rust-toy-http-server
[INFO] tweaked toml for git repo https://github.com/komamitsu/rust-toy-http-server written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/komamitsu/rust-toy-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02378ce68af0281a49ca5f511a37d31c7ec597051498b86aa598fb42b2c20362
[INFO] running `Command { std: "docker" "start" "-a" "02378ce68af0281a49ca5f511a37d31c7ec597051498b86aa598fb42b2c20362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02378ce68af0281a49ca5f511a37d31c7ec597051498b86aa598fb42b2c20362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02378ce68af0281a49ca5f511a37d31c7ec597051498b86aa598fb42b2c20362", kill_on_drop: false }`
[INFO] [stdout] 02378ce68af0281a49ca5f511a37d31c7ec597051498b86aa598fb42b2c20362
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a04c1810da98c6efcb5b7deab43876064cd2fd33b331be54c6def85ed0839633
[INFO] running `Command { std: "docker" "start" "-a" "a04c1810da98c6efcb5b7deab43876064cd2fd33b331be54c6def85ed0839633", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.6.1
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling rust-toy-http-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/main.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / lazy_static! {
[INFO] [stdout] 33 | |     static ref STATUS_LINE_PATTERN : Regex = Regex::new(r"([[:upper:]]+) \S+ HTTP/(\d.\d)").unwrap();
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `lazy_static` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `lazy_static` may come from an old version of the `lazy_static` crate, try updating your dependency with `cargo update -p lazy_static`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/main.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / lazy_static! {
[INFO] [stdout] 33 | |     static ref STATUS_LINE_PATTERN : Regex = Regex::new(r"([[:upper:]]+) \S+ HTTP/(\d.\d)").unwrap();
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `lazy_static` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `lazy_static` may come from an old version of the `lazy_static` crate, try updating your dependency with `cargo update -p lazy_static`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/main.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / lazy_static! {
[INFO] [stdout] 33 | |     static ref STATUS_LINE_PATTERN : Regex = Regex::new(r"([[:upper:]]+) \S+ HTTP/(\d.\d)").unwrap();
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/main.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / lazy_static! {
[INFO] [stdout] 33 | |     static ref STATUS_LINE_PATTERN : Regex = Regex::new(r"([[:upper:]]+) \S+ HTTP/(\d.\d)").unwrap();
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct InvalidHTTPHeaderError(String);
[INFO] [stdout]    |        ---------------------- ^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `InvalidHTTPHeaderError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "a04c1810da98c6efcb5b7deab43876064cd2fd33b331be54c6def85ed0839633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a04c1810da98c6efcb5b7deab43876064cd2fd33b331be54c6def85ed0839633", kill_on_drop: false }`
[INFO] [stdout] a04c1810da98c6efcb5b7deab43876064cd2fd33b331be54c6def85ed0839633
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 998f74ff2821d6e286cdb78e2fa4d300ea37ea1a718e6bad68c22ec52de0831a
[INFO] running `Command { std: "docker" "start" "-a" "998f74ff2821d6e286cdb78e2fa4d300ea37ea1a718e6bad68c22ec52de0831a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rust-toy-http-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/main.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / lazy_static! {
[INFO] [stdout] 33 | |     static ref STATUS_LINE_PATTERN : Regex = Regex::new(r"([[:upper:]]+) \S+ HTTP/(\d.\d)").unwrap();
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `lazy_static` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `lazy_static` may come from an old version of the `lazy_static` crate, try updating your dependency with `cargo update -p lazy_static`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/main.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / lazy_static! {
[INFO] [stdout] 33 | |     static ref STATUS_LINE_PATTERN : Regex = Regex::new(r"([[:upper:]]+) \S+ HTTP/(\d.\d)").unwrap();
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `lazy_static` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `lazy_static` may come from an old version of the `lazy_static` crate, try updating your dependency with `cargo update -p lazy_static`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/main.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / lazy_static! {
[INFO] [stdout] 33 | |     static ref STATUS_LINE_PATTERN : Regex = Regex::new(r"([[:upper:]]+) \S+ HTTP/(\d.\d)").unwrap();
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/main.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / lazy_static! {
[INFO] [stdout] 33 | |     static ref STATUS_LINE_PATTERN : Regex = Regex::new(r"([[:upper:]]+) \S+ HTTP/(\d.\d)").unwrap();
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct InvalidHTTPHeaderError(String);
[INFO] [stdout]    |        ---------------------- ^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `InvalidHTTPHeaderError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "998f74ff2821d6e286cdb78e2fa4d300ea37ea1a718e6bad68c22ec52de0831a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998f74ff2821d6e286cdb78e2fa4d300ea37ea1a718e6bad68c22ec52de0831a", kill_on_drop: false }`
[INFO] [stdout] 998f74ff2821d6e286cdb78e2fa4d300ea37ea1a718e6bad68c22ec52de0831a