[INFO] fetching crate server_nano 0.2.1...
[INFO] checking server_nano-0.2.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate server_nano 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate server_nano 0.2.1
[INFO] finished tweaking crates.io crate server_nano 0.2.1
[INFO] tweaked toml for crates.io crate server_nano 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate server_nano 0.2.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate server_nano 0.2.1 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c3222a1cd68c6f631e29fbb5e0a9c3b771fa9e57ecc198740ab3519ca8cf1eb
[INFO] running `Command { std: "docker" "start" "-a" "5c3222a1cd68c6f631e29fbb5e0a9c3b771fa9e57ecc198740ab3519ca8cf1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c3222a1cd68c6f631e29fbb5e0a9c3b771fa9e57ecc198740ab3519ca8cf1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3222a1cd68c6f631e29fbb5e0a9c3b771fa9e57ecc198740ab3519ca8cf1eb", kill_on_drop: false }`
[INFO] [stdout] 5c3222a1cd68c6f631e29fbb5e0a9c3b771fa9e57ecc198740ab3519ca8cf1eb
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 590b81f128d8ebf4c6d764a3345e0e32b4f3632ede2764a524d047af50969d84
[INFO] running `Command { std: "docker" "start" "-a" "590b81f128d8ebf4c6d764a3345e0e32b4f3632ede2764a524d047af50969d84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling may_queue v0.1.21
[INFO] [stderr]    Compiling may v0.3.45
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking generator v0.8.1
[INFO] [stderr]     Checking socket2 v0.5.2
[INFO] [stderr]     Checking core_affinity v0.8.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking server_nano v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `HttpServiceFactory` is never used
[INFO] [stdout]   --> src/http/http_server.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub trait HttpServiceFactory: Send + Sized + 'static {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method` and `path` are never read
[INFO] [stdout]   --> src/router/route_matcher.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct MatchedRoute {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 58 |     pub method: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 59 |     pub path: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/response/response.rs:29:33
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn new(res_buf: &'a mut BytesMut) -> Response {
[INFO] [stdout]    |                                 ^^                  -------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn new(res_buf: &'a mut BytesMut) -> Response<'a> {
[INFO] [stdout]    |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HttpServiceFactory` is never used
[INFO] [stdout]   --> src/http/http_server.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub trait HttpServiceFactory: Send + Sized + 'static {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method` and `path` are never read
[INFO] [stdout]   --> src/router/route_matcher.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct MatchedRoute {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 58 |     pub method: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 59 |     pub path: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/response/response.rs:29:33
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn new(res_buf: &'a mut BytesMut) -> Response {
[INFO] [stdout]    |                                 ^^                  -------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn new(res_buf: &'a mut BytesMut) -> Response<'a> {
[INFO] [stdout]    |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.00s
[INFO] running `Command { std: "docker" "inspect" "590b81f128d8ebf4c6d764a3345e0e32b4f3632ede2764a524d047af50969d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590b81f128d8ebf4c6d764a3345e0e32b4f3632ede2764a524d047af50969d84", kill_on_drop: false }`
[INFO] [stdout] 590b81f128d8ebf4c6d764a3345e0e32b4f3632ede2764a524d047af50969d84