[INFO] fetching crate ntrumls-plus 0.0.6...
[INFO] checking ntrumls-plus-0.0.6 against beta for pr-78714
[INFO] extracting crate ntrumls-plus 0.0.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ntrumls-plus 0.0.6 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ntrumls-plus 0.0.6
[INFO] finished tweaking crates.io crate ntrumls-plus 0.0.6
[INFO] tweaked toml for crates.io crate ntrumls-plus 0.0.6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d995c82e7d07078921ed693aa3315b0797624b5d0cb937021569e5f264e9d49e
[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" "d995c82e7d07078921ed693aa3315b0797624b5d0cb937021569e5f264e9d49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d995c82e7d07078921ed693aa3315b0797624b5d0cb937021569e5f264e9d49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d995c82e7d07078921ed693aa3315b0797624b5d0cb937021569e5f264e9d49e", kill_on_drop: false }`
[INFO] [stdout] d995c82e7d07078921ed693aa3315b0797624b5d0cb937021569e5f264e9d49e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0292a5232c8b52abbad46e637ceb8774650b8967cf295fe95af3818c2530292
[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" "c0292a5232c8b52abbad46e637ceb8774650b8967cf295fe95af3818c2530292", kill_on_drop: false }`
[INFO] [stderr]    Compiling ntrumls-plus v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `gcc::Build`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]   --> build.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut base_config = gcc::Build::new();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]   --> build.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut base_config = gcc::Build::new();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: depend/NTRUMLS/src/crypto_hash_sha512.c: In function 'crypto_hash_sha512':
[INFO] [stderr] warning: depend/NTRUMLS/src/crypto_hash_sha512.c:279:16: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:   279 |   for (i = 0;i < inlen;++i) padded[i] = in[i];
[INFO] [stderr] warning:       |                ^
[INFO] [stderr] warning: depend/NTRUMLS/src/crypto_stream.c: In function 'crypto_stream':
[INFO] [stderr] warning: depend/NTRUMLS/src/crypto_stream.c:168:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:   168 |     for (i = 0;i < clen;++i) c[i] = block[i];
[INFO] [stderr] warning:       |                  ^
[INFO] [stderr] warning: depend/NTRUMLS/src/convert.c: In function 'bits_2_int64_trits':
[INFO] [stderr] warning: depend/NTRUMLS/src/convert.c:145:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'const long unsigned int'} [-Wsign-compare]
[INFO] [stderr] warning:   145 |     if((N+4)/5 != in_len)
[INFO] [stderr] warning:       |                ^~
[INFO] [stderr] warning: depend/NTRUMLS/src/pack.c: In function 'pack_signature':
[INFO] [stderr] warning: depend/NTRUMLS/src/pack.c:217:15: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'const long unsigned int'} and 'int' [-Wsign-compare]
[INFO] [stderr] warning:   217 |   if(blob_len != SIGNATURE_BYTES(P))
[INFO] [stderr] warning:       |               ^~
[INFO] [stderr] warning: depend/NTRUMLS/src/pack.c: In function 'unpack_signature':
[INFO] [stderr] warning: depend/NTRUMLS/src/pack.c:238:15: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'const long unsigned int'} and 'int' [-Wsign-compare]
[INFO] [stderr] warning:   238 |   if(blob_len != SIGNATURE_BYTES(P))
[INFO] [stderr] warning:       |               ^~
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]  --> src/ffi.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{c_int, c_uchar, c_char, uint8_t, int8_t, uint16_t, int64_t};
[INFO] [stdout]   |                                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int8_t`: Use i8 instead.
[INFO] [stdout]  --> src/ffi.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{c_int, c_uchar, c_char, uint8_t, int8_t, uint16_t, int64_t};
[INFO] [stdout]   |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint16_t`: Use u16 instead.
[INFO] [stdout]  --> src/ffi.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{c_int, c_uchar, c_char, uint8_t, int8_t, uint16_t, int64_t};
[INFO] [stdout]   |                                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]  --> src/ffi.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{c_int, c_uchar, c_char, uint8_t, int8_t, uint16_t, int64_t};
[INFO] [stdout]   |                                                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ffi.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub oid: [uint8_t; 3],
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ffi.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub n_bits: uint8_t,
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ffi.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub q_bits: uint8_t,
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint16_t`: Use u16 instead.
[INFO] [stdout]   --> src/ffi.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub n: uint16_t,
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int8_t`: Use i8 instead.
[INFO] [stdout]   --> src/ffi.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub p: int8_t,
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/ffi.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub q: int64_t,
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/ffi.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub b_s: int64_t,
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/ffi.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub b_t: int64_t,
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/ffi.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub norm_bound_s: int64_t,
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/ffi.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub norm_bound_t: int64_t,
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ffi.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub d1: uint8_t,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ffi.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub d2: uint8_t,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ffi.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub d3: uint8_t,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint16_t`: Use u16 instead.
[INFO] [stdout]   --> src/ffi.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub padded_n: uint16_t,
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]  --> src/ffi.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{c_int, c_uchar, c_char, uint8_t, int8_t, uint16_t, int64_t};
[INFO] [stdout]   |                                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int8_t`: Use i8 instead.
[INFO] [stdout]  --> src/ffi.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{c_int, c_uchar, c_char, uint8_t, int8_t, uint16_t, int64_t};
[INFO] [stdout]   |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint16_t`: Use u16 instead.
[INFO] [stdout]  --> src/ffi.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{c_int, c_uchar, c_char, uint8_t, int8_t, uint16_t, int64_t};
[INFO] [stdout]   |                                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]  --> src/ffi.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{c_int, c_uchar, c_char, uint8_t, int8_t, uint16_t, int64_t};
[INFO] [stdout]   |                                                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ffi.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub oid: [uint8_t; 3],
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ffi.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub n_bits: uint8_t,
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ffi.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub q_bits: uint8_t,
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint16_t`: Use u16 instead.
[INFO] [stdout]   --> src/ffi.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub n: uint16_t,
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int8_t`: Use i8 instead.
[INFO] [stdout]   --> src/ffi.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub p: int8_t,
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/ffi.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub q: int64_t,
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/ffi.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub b_s: int64_t,
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/ffi.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub b_t: int64_t,
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/ffi.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub norm_bound_s: int64_t,
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/ffi.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub norm_bound_t: int64_t,
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ffi.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub d1: uint8_t,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ffi.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub d2: uint8_t,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ffi.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub d3: uint8_t,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint16_t`: Use u16 instead.
[INFO] [stdout]   --> src/ffi.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub padded_n: uint16_t,
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pk_de`
[INFO] [stdout]    --> src/lib.rs:321:13
[INFO] [stdout]     |
[INFO] [stdout] 321 |         let pk_de = serde_json::from_str::<::PublicKey>(&pk_se).expect("failed to deserialize public key");
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_pk_de`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sk_de`
[INFO] [stdout]    --> src/lib.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let sk_de = serde_json::from_str::<::PrivateKey>(&sk_se).expect("failed to deserialize private key");
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_sk_de`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bytes`
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     bytes: Vec<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: `bytes`
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     bytes: Vec<u8>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "c0292a5232c8b52abbad46e637ceb8774650b8967cf295fe95af3818c2530292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0292a5232c8b52abbad46e637ceb8774650b8967cf295fe95af3818c2530292", kill_on_drop: false }`
[INFO] [stdout] c0292a5232c8b52abbad46e637ceb8774650b8967cf295fe95af3818c2530292