[INFO] fetching crate coap-handler 0.1.1...
[INFO] testing coap-handler-0.1.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate coap-handler 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate coap-handler 0.1.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coap-handler 0.1.1
[INFO] finished tweaking crates.io crate coap-handler 0.1.1
[INFO] tweaked toml for crates.io crate coap-handler 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 332d1370d748e0dbf63ff968b3c73e9be284ae48dd0c70cc6c402f4694d7cec8
[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" "332d1370d748e0dbf63ff968b3c73e9be284ae48dd0c70cc6c402f4694d7cec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "332d1370d748e0dbf63ff968b3c73e9be284ae48dd0c70cc6c402f4694d7cec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "332d1370d748e0dbf63ff968b3c73e9be284ae48dd0c70cc6c402f4694d7cec8", kill_on_drop: false }`
[INFO] [stdout] 332d1370d748e0dbf63ff968b3c73e9be284ae48dd0c70cc6c402f4694d7cec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", 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] 62866542b196994fd18c54b7b2434f782d07d186c6c9fb5d8e99b6de499b2164
[INFO] running `Command { std: "docker" "start" "-a" "62866542b196994fd18c54b7b2434f782d07d186c6c9fb5d8e99b6de499b2164", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling coap-message v0.2.0
[INFO] [stderr]    Compiling coap-numbers v0.1.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling windowed-infinity v0.1.1
[INFO] [stderr]    Compiling coap-handler v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `helpers::block2_write_with_cf`
[INFO] [stdout]   --> src/implementations.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]   --> src/implementations.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `helpers::Block2RequestData`
[INFO] [stdout]   --> src/implementations.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `helpers::MaskingUriUpToPath`
[INFO] [stdout]   --> src/implementations.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `helpers::MaskingUriUpToPath`
[INFO] [stdout]   --> src/implementations.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `helpers::Block2RequestData`
[INFO] [stdout]    --> src/implementations.rs:228:40
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub struct SimpleRenderableData(Result<Block2RequestData, Code>);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]   --> src/implementations.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |         response.set_code(codeconvert(code::NOT_FOUND));
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `helpers::MaskingUriUpToPath`
[INFO] [stdout]    --> src/implementations.rs:121:26
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let masked = MaskingUriUpToPath(request);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:214:27
[INFO] [stdout]     |
[INFO] [stdout] 214 |         response.set_code(codeconvert(request));
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `helpers::Block2RequestData`
[INFO] [stdout]    --> src/implementations.rs:272:37
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         Ok(None) => Block2RequestData::from_option(&o)
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 response.set_code(codeconvert(c));
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:310:27
[INFO] [stdout]     |
[INFO] [stdout] 310 |         response.set_code(codeconvert(code::CONTENT));
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::block2_write_with_cf`
[INFO] [stdout]    --> src/implementations.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 311 |         block2_write_with_cf(block2data, response, |w| self.0.render(w), cf);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:479:35
[INFO] [stdout]     |
[INFO] [stdout] 479 |                 response.set_code(codeconvert(r));
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:486:43
[INFO] [stdout]     |
[INFO] [stdout] 486 |                         response.set_code(codeconvert(e));
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:490:43
[INFO] [stdout]     |
[INFO] [stdout] 490 |                         response.set_code(codeconvert(code::CONTENT));
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:518:51
[INFO] [stdout]     |
[INFO] [stdout] 518 | ...                   response.set_code(codeconvert(code::INTERNAL_SERVER_ERROR));
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:567:27
[INFO] [stdout]     |
[INFO] [stdout] 567 |         response.set_code(codeconvert(code::NOT_FOUND));
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `helpers::Block2RequestData::from_option`
[INFO] [stdout]    --> src/implementations.rs:272:56
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         Ok(None) => Block2RequestData::from_option(&o)
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/helpers.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn new(data: &'a mut [u8], cursor: isize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bytes_in_buffer`
[INFO] [stdout]    --> src/helpers.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn bytes_in_buffer(&self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cursor`
[INFO] [stdout]    --> src/helpers.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn cursor(&self) -> isize {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `etag`
[INFO] [stdout]    --> src/helpers.rs:234:8
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn etag(&self) -> u64 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `did_overflow`
[INFO] [stdout]    --> src/helpers.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn did_overflow(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.45s
[INFO] running `Command { std: "docker" "inspect" "62866542b196994fd18c54b7b2434f782d07d186c6c9fb5d8e99b6de499b2164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62866542b196994fd18c54b7b2434f782d07d186c6c9fb5d8e99b6de499b2164", kill_on_drop: false }`
[INFO] [stdout] 62866542b196994fd18c54b7b2434f782d07d186c6c9fb5d8e99b6de499b2164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fa6e7ce1d48f602b127eb2b496385f2b5cbb1c5a48c05ad4055905313350e39
[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" "4fa6e7ce1d48f602b127eb2b496385f2b5cbb1c5a48c05ad4055905313350e39", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `helpers::block2_write_with_cf`
[INFO] [stdout]   --> src/implementations.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]   --> src/implementations.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `helpers::Block2RequestData`
[INFO] [stdout]   --> src/implementations.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `helpers::MaskingUriUpToPath`
[INFO] [stdout]   --> src/implementations.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `helpers::MaskingUriUpToPath`
[INFO] [stdout]   --> src/implementations.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `helpers::Block2RequestData`
[INFO] [stdout]    --> src/implementations.rs:228:40
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub struct SimpleRenderableData(Result<Block2RequestData, Code>);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]   --> src/implementations.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |         response.set_code(codeconvert(code::NOT_FOUND));
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `helpers::MaskingUriUpToPath`
[INFO] [stdout]    --> src/implementations.rs:121:26
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let masked = MaskingUriUpToPath(request);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:214:27
[INFO] [stdout]     |
[INFO] [stdout] 214 |         response.set_code(codeconvert(request));
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `helpers::Block2RequestData`
[INFO] [stdout]    --> src/implementations.rs:272:37
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         Ok(None) => Block2RequestData::from_option(&o)
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 response.set_code(codeconvert(c));
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:310:27
[INFO] [stdout]     |
[INFO] [stdout] 310 |         response.set_code(codeconvert(code::CONTENT));
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::block2_write_with_cf`
[INFO] [stdout]    --> src/implementations.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 311 |         block2_write_with_cf(block2data, response, |w| self.0.render(w), cf);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:479:35
[INFO] [stdout]     |
[INFO] [stdout] 479 |                 response.set_code(codeconvert(r));
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:486:43
[INFO] [stdout]     |
[INFO] [stdout] 486 |                         response.set_code(codeconvert(e));
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:490:43
[INFO] [stdout]     |
[INFO] [stdout] 490 |                         response.set_code(codeconvert(code::CONTENT));
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:518:51
[INFO] [stdout]     |
[INFO] [stdout] 518 | ...                   response.set_code(codeconvert(code::INTERNAL_SERVER_ERROR));
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:567:27
[INFO] [stdout]     |
[INFO] [stdout] 567 |         response.set_code(codeconvert(code::NOT_FOUND));
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `helpers::Block2RequestData::from_option`
[INFO] [stdout]    --> src/implementations.rs:272:56
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         Ok(None) => Block2RequestData::from_option(&o)
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/helpers.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn new(data: &'a mut [u8], cursor: isize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bytes_in_buffer`
[INFO] [stdout]    --> src/helpers.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn bytes_in_buffer(&self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cursor`
[INFO] [stdout]    --> src/helpers.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn cursor(&self) -> isize {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `etag`
[INFO] [stdout]    --> src/helpers.rs:234:8
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn etag(&self) -> u64 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `did_overflow`
[INFO] [stdout]    --> src/helpers.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn did_overflow(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling coap-handler v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `helpers::block2_write_with_cf`
[INFO] [stdout]   --> src/implementations.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]   --> src/implementations.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `helpers::Block2RequestData`
[INFO] [stdout]   --> src/implementations.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `helpers::MaskingUriUpToPath`
[INFO] [stdout]   --> src/implementations.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `helpers::MaskingUriUpToPath`
[INFO] [stdout]   --> src/implementations.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `helpers::Block2RequestData`
[INFO] [stdout]    --> src/implementations.rs:228:40
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub struct SimpleRenderableData(Result<Block2RequestData, Code>);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]   --> src/implementations.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |         response.set_code(codeconvert(code::NOT_FOUND));
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated tuple struct `helpers::MaskingUriUpToPath`
[INFO] [stdout]    --> src/implementations.rs:121:26
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let masked = MaskingUriUpToPath(request);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:214:27
[INFO] [stdout]     |
[INFO] [stdout] 214 |         response.set_code(codeconvert(request));
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `helpers::Block2RequestData`
[INFO] [stdout]    --> src/implementations.rs:272:37
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         Ok(None) => Block2RequestData::from_option(&o)
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 response.set_code(codeconvert(c));
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:310:27
[INFO] [stdout]     |
[INFO] [stdout] 310 |         response.set_code(codeconvert(code::CONTENT));
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::block2_write_with_cf`
[INFO] [stdout]    --> src/implementations.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 311 |         block2_write_with_cf(block2data, response, |w| self.0.render(w), cf);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:479:35
[INFO] [stdout]     |
[INFO] [stdout] 479 |                 response.set_code(codeconvert(r));
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:486:43
[INFO] [stdout]     |
[INFO] [stdout] 486 |                         response.set_code(codeconvert(e));
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:490:43
[INFO] [stdout]     |
[INFO] [stdout] 490 |                         response.set_code(codeconvert(code::CONTENT));
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:518:51
[INFO] [stdout]     |
[INFO] [stdout] 518 | ...                   response.set_code(codeconvert(code::INTERNAL_SERVER_ERROR));
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stdout]    --> src/implementations.rs:567:27
[INFO] [stdout]     |
[INFO] [stdout] 567 |         response.set_code(codeconvert(code::NOT_FOUND));
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `helpers::Block2RequestData::from_option`
[INFO] [stdout]    --> src/implementations.rs:272:56
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         Ok(None) => Block2RequestData::from_option(&o)
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/helpers.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn new(data: &'a mut [u8], cursor: isize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bytes_in_buffer`
[INFO] [stdout]    --> src/helpers.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn bytes_in_buffer(&self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cursor`
[INFO] [stdout]    --> src/helpers.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn cursor(&self) -> isize {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `etag`
[INFO] [stdout]    --> src/helpers.rs:234:8
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn etag(&self) -> u64 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `did_overflow`
[INFO] [stdout]    --> src/helpers.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn did_overflow(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "4fa6e7ce1d48f602b127eb2b496385f2b5cbb1c5a48c05ad4055905313350e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa6e7ce1d48f602b127eb2b496385f2b5cbb1c5a48c05ad4055905313350e39", kill_on_drop: false }`
[INFO] [stdout] 4fa6e7ce1d48f602b127eb2b496385f2b5cbb1c5a48c05ad4055905313350e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] d8058aa7955fd6614661b71b308bee3a1c02bd6dc16900195e6437de85a6423d
[INFO] running `Command { std: "docker" "start" "-a" "d8058aa7955fd6614661b71b308bee3a1c02bd6dc16900195e6437de85a6423d", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `helpers::block2_write_with_cf`
[INFO] [stderr]   --> src/implementations.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stderr]   --> src/implementations.rs:13:27
[INFO] [stderr]    |
[INFO] [stderr] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stderr]    |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `helpers::Block2RequestData`
[INFO] [stderr]   --> src/implementations.rs:13:40
[INFO] [stderr]    |
[INFO] [stderr] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `helpers::MaskingUriUpToPath`
[INFO] [stderr]   --> src/implementations.rs:13:59
[INFO] [stderr]    |
[INFO] [stderr] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated tuple struct `helpers::MaskingUriUpToPath`
[INFO] [stderr]   --> src/implementations.rs:13:59
[INFO] [stderr]    |
[INFO] [stderr] 13 |     block2_write_with_cf, codeconvert, Block2RequestData, MaskingUriUpToPath,
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `helpers::Block2RequestData`
[INFO] [stderr]    --> src/implementations.rs:228:40
[INFO] [stderr]     |
[INFO] [stderr] 228 | pub struct SimpleRenderableData(Result<Block2RequestData, Code>);
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stderr]   --> src/implementations.rs:50:27
[INFO] [stderr]    |
[INFO] [stderr] 50 |         response.set_code(codeconvert(code::NOT_FOUND));
[INFO] [stderr]    |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated tuple struct `helpers::MaskingUriUpToPath`
[INFO] [stderr]    --> src/implementations.rs:121:26
[INFO] [stderr]     |
[INFO] [stderr] 121 |             let masked = MaskingUriUpToPath(request);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stderr]    --> src/implementations.rs:214:27
[INFO] [stderr]     |
[INFO] [stderr] 214 |         response.set_code(codeconvert(request));
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `helpers::Block2RequestData`
[INFO] [stderr]    --> src/implementations.rs:272:37
[INFO] [stderr]     |
[INFO] [stderr] 272 |                         Ok(None) => Block2RequestData::from_option(&o)
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stderr]    --> src/implementations.rs:303:35
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 response.set_code(codeconvert(c));
[INFO] [stderr]     |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stderr]    --> src/implementations.rs:310:27
[INFO] [stderr]     |
[INFO] [stderr] 310 |         response.set_code(codeconvert(code::CONTENT));
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `helpers::block2_write_with_cf`
[INFO] [stderr]    --> src/implementations.rs:311:9
[INFO] [stderr]     |
[INFO] [stderr] 311 |         block2_write_with_cf(block2data, response, |w| self.0.render(w), cf);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stderr]    --> src/implementations.rs:479:35
[INFO] [stderr]     |
[INFO] [stderr] 479 |                 response.set_code(codeconvert(r));
[INFO] [stderr]     |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stderr]    --> src/implementations.rs:486:43
[INFO] [stderr]     |
[INFO] [stderr] 486 |                         response.set_code(codeconvert(e));
[INFO] [stderr]     |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stderr]    --> src/implementations.rs:490:43
[INFO] [stderr]     |
[INFO] [stderr] 490 |                         response.set_code(codeconvert(code::CONTENT));
[INFO] [stderr]     |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stderr]    --> src/implementations.rs:518:51
[INFO] [stderr]     |
[INFO] [stderr] 518 | ...                   response.set_code(codeconvert(code::INTERNAL_SERVER_ERROR));
[INFO] [stderr]     |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `helpers::codeconvert`
[INFO] [stderr]    --> src/implementations.rs:567:27
[INFO] [stderr]     |
[INFO] [stderr] 567 |         response.set_code(codeconvert(code::NOT_FOUND));
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `helpers::Block2RequestData::from_option`
[INFO] [stderr]    --> src/implementations.rs:272:56
[INFO] [stderr]     |
[INFO] [stderr] 272 |                         Ok(None) => Block2RequestData::from_option(&o)
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/helpers.rs:217:8
[INFO] [stderr]     |
[INFO] [stderr] 217 |     fn new(data: &'a mut [u8], cursor: isize) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `bytes_in_buffer`
[INFO] [stderr]    --> src/helpers.rs:222:8
[INFO] [stderr]     |
[INFO] [stderr] 222 |     fn bytes_in_buffer(&self) -> Option<usize> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cursor`
[INFO] [stderr]    --> src/helpers.rs:230:8
[INFO] [stderr]     |
[INFO] [stderr] 230 |     fn cursor(&self) -> isize {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `etag`
[INFO] [stderr]    --> src/helpers.rs:234:8
[INFO] [stderr]     |
[INFO] [stderr] 234 |     fn etag(&self) -> u64 {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `did_overflow`
[INFO] [stderr]    --> src/helpers.rs:238:8
[INFO] [stderr]     |
[INFO] [stderr] 238 |     fn did_overflow(&self) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `coap-handler` (lib) generated 24 warnings
[INFO] [stderr] warning: `coap-handler` (lib test) generated 24 warnings (24 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/coap_handler-75a704d5ec27744a)
[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] [stderr]    Doc-tests coap-handler
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/implementations.rs - implementations::new_dispatcher (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d8058aa7955fd6614661b71b308bee3a1c02bd6dc16900195e6437de85a6423d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8058aa7955fd6614661b71b308bee3a1c02bd6dc16900195e6437de85a6423d", kill_on_drop: false }`
[INFO] [stdout] d8058aa7955fd6614661b71b308bee3a1c02bd6dc16900195e6437de85a6423d