[INFO] fetching crate async-fcgi 0.3.3...
[INFO] checking async-fcgi-0.3.3 against 1.55.0 for beta-1.56-3
[INFO] extracting crate async-fcgi 0.3.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async-fcgi 0.3.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-fcgi 0.3.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate async-fcgi 0.3.3
[INFO] tweaked toml for crates.io crate async-fcgi 0.3.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate async-fcgi 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8ade180165f116e69b88f11ad7f23753edec4719649ed38e2f2dea4561b8dc0c
[INFO] running `Command { std: "docker" "start" "-a" "8ade180165f116e69b88f11ad7f23753edec4719649ed38e2f2dea4561b8dc0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ade180165f116e69b88f11ad7f23753edec4719649ed38e2f2dea4561b8dc0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ade180165f116e69b88f11ad7f23753edec4719649ed38e2f2dea4561b8dc0c", kill_on_drop: false }`
[INFO] [stdout] 8ade180165f116e69b88f11ad7f23753edec4719649ed38e2f2dea4561b8dc0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a92d3fe8e6c4f92ee071411b5708df8f78f513b75742800de98ae90e136b4b9a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a92d3fe8e6c4f92ee071411b5708df8f78f513b75742800de98ae90e136b4b9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking async-fcgi v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stdout] warning: field is never read: `rtype`
[INFO] [stdout]   --> src/fastcgi.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     rtype: u8,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]   --> src/fastcgi.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     header: Header,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `HEADER_LEN`
[INFO] [stdout]    --> src/fastcgi.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub const HEADER_LEN: usize = 8;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `UNKNOWN_TYPE`
[INFO] [stdout]    --> src/fastcgi.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     const UNKNOWN_TYPE: u8 = 11;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_into`
[INFO] [stdout]    --> src/fastcgi.rs:309:12
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn write_into<BM: BufMut>(self, data: &mut BM)
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]    --> src/fastcgi.rs:319:8
[INFO] [stdout]     |
[INFO] [stdout] 319 |     fn parse(data: &mut Bytes) -> Header
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_padding`
[INFO] [stdout]    --> src/fastcgi.rs:332:12
[INFO] [stdout]     |
[INFO] [stdout] 332 |     pub fn get_padding(&self) -> u8
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RecordReader`
[INFO] [stdout]    --> src/fastcgi.rs:360:19
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub(crate) struct RecordReader {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/fastcgi.rs:365:19
[INFO] [stdout]     |
[INFO] [stdout] 365 |     pub(crate) fn new() -> RecordReader {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]    --> src/fastcgi.rs:370:19
[INFO] [stdout]     |
[INFO] [stdout] 370 |     pub(crate) fn read(&mut self, data: &mut Bytes) -> Option<Record>
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_request_id`
[INFO] [stdout]    --> src/fastcgi.rs:433:19
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub(crate) fn get_request_id(&self) -> u16 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]    --> src/fastcgi.rs:438:19
[INFO] [stdout]     |
[INFO] [stdout] 438 |     pub(crate) fn read(data: &mut Bytes) -> Option<Record>
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_body`
[INFO] [stdout]    --> src/fastcgi.rs:460:8
[INFO] [stdout]     |
[INFO] [stdout] 460 |     fn parse_body(mut payload: Bytes, ptype: u8) -> Body {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `abort`
[INFO] [stdout]    --> src/fastcgi.rs:479:19
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub(crate) fn abort(request_id: u16) -> Record {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]    --> src/fastcgi.rs:492:19
[INFO] [stdout]     |
[INFO] [stdout] 492 |     pub(crate) fn append(self, buf: &mut BufList<Bytes>)
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_bytes`
[INFO] [stdout]    --> src/fastcgi.rs:619:19
[INFO] [stdout]     |
[INFO] [stdout] 619 |     pub(crate) fn from_bytes(buf: Bytes) -> NVBody {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_records`
[INFO] [stdout]    --> src/fastcgi.rs:666:19
[INFO] [stdout]     |
[INFO] [stdout] 666 |     pub(crate) fn append_records(self, rtype: u8, request_id: u16, wbuf: &mut BufList<Bytes>) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]    --> src/fastcgi.rs:706:8
[INFO] [stdout]     |
[INFO] [stdout] 706 |     fn parse(mut data: Bytes) -> EndRequestBody
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> src/bufvec.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub(crate) fn append(&mut self, mut other: BufList<T>) {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `oldest`
[INFO] [stdout]   --> src/bufvec.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) fn oldest(&mut self) -> Option<T> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking hyper v0.14.1
[INFO] [stdout] warning: field is never read: `rtype`
[INFO] [stdout]   --> src/fastcgi.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     rtype: u8,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `UNKNOWN_TYPE`
[INFO] [stdout]    --> src/fastcgi.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     const UNKNOWN_TYPE: u8 = 11;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]    --> src/fastcgi.rs:319:8
[INFO] [stdout]     |
[INFO] [stdout] 319 |     fn parse(data: &mut Bytes) -> Header
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_padding`
[INFO] [stdout]    --> src/fastcgi.rs:332:12
[INFO] [stdout]     |
[INFO] [stdout] 332 |     pub fn get_padding(&self) -> u8
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RecordReader`
[INFO] [stdout]    --> src/fastcgi.rs:360:19
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub(crate) struct RecordReader {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/fastcgi.rs:365:19
[INFO] [stdout]     |
[INFO] [stdout] 365 |     pub(crate) fn new() -> RecordReader {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]    --> src/fastcgi.rs:370:19
[INFO] [stdout]     |
[INFO] [stdout] 370 |     pub(crate) fn read(&mut self, data: &mut Bytes) -> Option<Record>
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_request_id`
[INFO] [stdout]    --> src/fastcgi.rs:433:19
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub(crate) fn get_request_id(&self) -> u16 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]    --> src/fastcgi.rs:438:19
[INFO] [stdout]     |
[INFO] [stdout] 438 |     pub(crate) fn read(data: &mut Bytes) -> Option<Record>
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_body`
[INFO] [stdout]    --> src/fastcgi.rs:460:8
[INFO] [stdout]     |
[INFO] [stdout] 460 |     fn parse_body(mut payload: Bytes, ptype: u8) -> Body {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `abort`
[INFO] [stdout]    --> src/fastcgi.rs:479:19
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub(crate) fn abort(request_id: u16) -> Record {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_bytes`
[INFO] [stdout]    --> src/fastcgi.rs:619:19
[INFO] [stdout]     |
[INFO] [stdout] 619 |     pub(crate) fn from_bytes(buf: Bytes) -> NVBody {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_records`
[INFO] [stdout]    --> src/fastcgi.rs:666:19
[INFO] [stdout]     |
[INFO] [stdout] 666 |     pub(crate) fn append_records(self, rtype: u8, request_id: u16, wbuf: &mut BufList<Bytes>) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]    --> src/fastcgi.rs:706:8
[INFO] [stdout]     |
[INFO] [stdout] 706 |     fn parse(mut data: Bytes) -> EndRequestBody
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `oldest`
[INFO] [stdout]   --> src/bufvec.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) fn oldest(&mut self) -> Option<T> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.60s
[INFO] running `Command { std: "docker" "inspect" "a92d3fe8e6c4f92ee071411b5708df8f78f513b75742800de98ae90e136b4b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92d3fe8e6c4f92ee071411b5708df8f78f513b75742800de98ae90e136b4b9a", kill_on_drop: false }`
[INFO] [stdout] a92d3fe8e6c4f92ee071411b5708df8f78f513b75742800de98ae90e136b4b9a
