[INFO] fetching crate inlay 0.3.2...
[INFO] checking inlay-0.3.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate inlay 0.3.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate inlay 0.3.2
[INFO] finished tweaking crates.io crate inlay 0.3.2
[INFO] tweaked toml for crates.io crate inlay 0.3.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate inlay 0.3.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding glob v0.2.11 (available: v0.3.3)
[INFO] [stderr]       Adding itertools v0.5.10 (available: v0.14.0)
[INFO] [stderr]       Adding structopt v0.2.18 (available: v0.3.26)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 594a94915ecc945f9582998f69e5b819f5dd4fe23d2a143de98c4ab5c388bf30
[INFO] running `Command { std: "docker" "start" "-a" "594a94915ecc945f9582998f69e5b819f5dd4fe23d2a143de98c4ab5c388bf30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "594a94915ecc945f9582998f69e5b819f5dd4fe23d2a143de98c4ab5c388bf30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594a94915ecc945f9582998f69e5b819f5dd4fe23d2a143de98c4ab5c388bf30", kill_on_drop: false }`
[INFO] [stdout] 594a94915ecc945f9582998f69e5b819f5dd4fe23d2a143de98c4ab5c388bf30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff45166f935bd9eaa5ea04e476063080defbdf5ce172fed09ae879423ab042de
[INFO] running `Command { std: "docker" "start" "-a" "ff45166f935bd9eaa5ea04e476063080defbdf5ce172fed09ae879423ab042de", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking loggerv v0.7.2
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking inlay v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/tests.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate lazy_static;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/tests.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use] extern crate serde_derive;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/tests.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use] extern crate structopt;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/tests.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use] extern crate structopt;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/bit_buffer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigEndian`, `LittleEndian`, and `ReadBytesExt`
[INFO] [stdout]  --> src/bit_buffer.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use byteorder::{ReadBytesExt, LittleEndian, BigEndian};
[INFO] [stdout]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/encode.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/decode.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/decode.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Write, Read, Cursor, BufReader};
[INFO] [stdout]   |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use] extern crate structopt;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cursor`, `Read`, and `Write`
[INFO] [stdout]   --> src/main.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::io::{Write, Read, Cursor, BufReader, BufWriter};
[INFO] [stdout]    |               ^^^^^  ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/bit_buffer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigEndian`, `LittleEndian`, and `ReadBytesExt`
[INFO] [stdout]  --> src/bit_buffer.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use byteorder::{ReadBytesExt, LittleEndian, BigEndian};
[INFO] [stdout]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/encode.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/decode.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/decode.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Write, Read, Cursor, BufReader};
[INFO] [stdout]   |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cursor`, `Read`, and `Write`
[INFO] [stdout]   --> src/main.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::io::{Write, Read, Cursor, BufReader, BufWriter};
[INFO] [stdout]    |               ^^^^^  ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:360:26
[INFO] [stdout]     |
[INFO] [stdout] 360 |             Value::Uint8(val)  => 8,
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:361:25
[INFO] [stdout]     |
[INFO] [stdout] 361 |             Value::Int8(val)   => 8,
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:362:27
[INFO] [stdout]     |
[INFO] [stdout] 362 |             Value::Uint16(val) => 16,
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:363:26
[INFO] [stdout]     |
[INFO] [stdout] 363 |             Value::Int16(val)  => 16,
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:364:27
[INFO] [stdout]     |
[INFO] [stdout] 364 |             Value::Uint32(val) => 32,
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:365:26
[INFO] [stdout]     |
[INFO] [stdout] 365 |             Value::Int32(val)  => 32,
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:366:27
[INFO] [stdout]     |
[INFO] [stdout] 366 |             Value::Uint64(val) => 64,
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:367:26
[INFO] [stdout]     |
[INFO] [stdout] 367 |             Value::Int64(val)  => 64,
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:368:26
[INFO] [stdout]     |
[INFO] [stdout] 368 |             Value::Float(val)  => 32,
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:369:27
[INFO] [stdout]     |
[INFO] [stdout] 369 |             Value::Double(val) => 64,
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bit_buffer.rs:200:25
[INFO] [stdout]     |
[INFO] [stdout] 200 |                     let mut ptr = mem::transmute::<&u64, &f32>(&value);
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bit_buffer.rs:207:25
[INFO] [stdout]     |
[INFO] [stdout] 207 |                     let mut ptr = mem::transmute::<&u64, &f64>(&value);
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/decode.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let field = Field::float(3.14159, endianness, descr.clone());
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/decode.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let field = Field::float(3.14159, endianness, descr.clone());
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/decode.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let field = Field::double(3.141592541, endianness, descr.clone());
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/decode.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let field = Field::double(3.1415926535, endianness, descr.clone());
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let mut output_file =
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:227:17
[INFO] [stdout]     |
[INFO] [stdout] 227 |             let mut output_file =
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Signedness` is never used
[INFO] [stdout]   --> src/types.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum Signedness {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `i8`, `i16`, `i32`, and `i64` are never used
[INFO] [stdout]    --> src/types.rs:427:12
[INFO] [stdout]     |
[INFO] [stdout] 406 | impl Field {
[INFO] [stdout]     | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 427 |     pub fn i8(val: i8, endianness: Endianness, descr: String) -> Field {
[INFO] [stdout]     |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 431 |     pub fn i16(val: i16, endianness: Endianness, descr: String) -> Field {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 435 |     pub fn i32(val: i32, endianness: Endianness, descr: String) -> Field {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 439 |     pub fn i64(val: i64, endianness: Endianness, descr: String) -> Field {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_field` is never used
[INFO] [stdout]    --> src/encode.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn to_field(typ: FieldType, value_str: &str, description: String) -> Field {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[derive(Debug, StructOpt)]
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/types.rs:289:29
[INFO] [stdout]     |
[INFO] [stdout] 289 |             _    => panic!("{} chars not supports for BitSize"),
[INFO] [stdout]     |                             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 289 |             _    => panic!("{} chars not supports for BitSize", ...),
[INFO] [stdout]     |                                                               +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 289 |             _    => panic!("{}", "{} chars not supports for BitSize"),
[INFO] [stdout]     |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:360:26
[INFO] [stdout]     |
[INFO] [stdout] 360 |             Value::Uint8(val)  => 8,
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:361:25
[INFO] [stdout]     |
[INFO] [stdout] 361 |             Value::Int8(val)   => 8,
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:362:27
[INFO] [stdout]     |
[INFO] [stdout] 362 |             Value::Uint16(val) => 16,
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:363:26
[INFO] [stdout]     |
[INFO] [stdout] 363 |             Value::Int16(val)  => 16,
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:364:27
[INFO] [stdout]     |
[INFO] [stdout] 364 |             Value::Uint32(val) => 32,
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:365:26
[INFO] [stdout]     |
[INFO] [stdout] 365 |             Value::Int32(val)  => 32,
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:366:27
[INFO] [stdout]     |
[INFO] [stdout] 366 |             Value::Uint64(val) => 64,
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:367:26
[INFO] [stdout]     |
[INFO] [stdout] 367 |             Value::Int64(val)  => 64,
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:368:26
[INFO] [stdout]     |
[INFO] [stdout] 368 |             Value::Float(val)  => 32,
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/types.rs:369:27
[INFO] [stdout]     |
[INFO] [stdout] 369 |             Value::Double(val) => 64,
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bit_buffer.rs:200:25
[INFO] [stdout]     |
[INFO] [stdout] 200 |                     let mut ptr = mem::transmute::<&u64, &f32>(&value);
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bit_buffer.rs:207:25
[INFO] [stdout]     |
[INFO] [stdout] 207 |                     let mut ptr = mem::transmute::<&u64, &f64>(&value);
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inlay` (bin "inlay" test) due to 1 previous error; 29 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let mut output_file =
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:227:17
[INFO] [stdout]     |
[INFO] [stdout] 227 |             let mut output_file =
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Signedness` is never used
[INFO] [stdout]   --> src/types.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum Signedness {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/types.rs:67:12
[INFO] [stdout]     |
[INFO] [stdout]  66 | impl FieldType {
[INFO] [stdout]     | -------------- associated functions in this implementation
[INFO] [stdout]  67 |     pub fn u8(endianness: Endianness) -> FieldType {
[INFO] [stdout]     |            ^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     pub fn u16(endianness: Endianness) -> FieldType {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     pub fn u32(endianness: Endianness) -> FieldType {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     pub fn u64(endianness: Endianness) -> FieldType {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |     pub fn i8(endianness: Endianness) -> FieldType {
[INFO] [stdout]     |            ^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |     pub fn i16(endianness: Endianness) -> FieldType {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  91 |     pub fn i32(endianness: Endianness) -> FieldType {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  95 |     pub fn i64(endianness: Endianness) -> FieldType {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     pub fn float(endianness: Endianness) -> FieldType {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn double(endianness: Endianness) -> FieldType {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/types.rs:411:12
[INFO] [stdout]     |
[INFO] [stdout] 406 | impl Field {
[INFO] [stdout]     | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 411 |     pub fn u8(val: u8, endianness: Endianness, descr: String) -> Field {
[INFO] [stdout]     |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 415 |     pub fn u16(val: u16, endianness: Endianness, descr: String) -> Field {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 419 |     pub fn u32(val: u32, endianness: Endianness, descr: String) -> Field {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 423 |     pub fn u64(val: u64, endianness: Endianness, descr: String) -> Field {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 427 |     pub fn i8(val: i8, endianness: Endianness, descr: String) -> Field {
[INFO] [stdout]     |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 431 |     pub fn i16(val: i16, endianness: Endianness, descr: String) -> Field {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 435 |     pub fn i32(val: i32, endianness: Endianness, descr: String) -> Field {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 439 |     pub fn i64(val: i64, endianness: Endianness, descr: String) -> Field {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 443 |     pub fn float(val: f32, endianness: Endianness, descr: String) -> Field {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 447 |     pub fn double(val: f64, endianness: Endianness, descr: String) -> Field {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_field` is never used
[INFO] [stdout]    --> src/encode.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn to_field(typ: FieldType, value_str: &str, description: String) -> Field {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/template.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Template {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 44 |     pub fn new(typ: FieldType, descr: String) -> Template {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[derive(Debug, StructOpt)]
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/types.rs:289:29
[INFO] [stdout]     |
[INFO] [stdout] 289 |             _    => panic!("{} chars not supports for BitSize"),
[INFO] [stdout]     |                             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 289 |             _    => panic!("{} chars not supports for BitSize", ...),
[INFO] [stdout]     |                                                               +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 289 |             _    => panic!("{}", "{} chars not supports for BitSize"),
[INFO] [stdout]     |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inlay` (bin "inlay") due to 1 previous error; 27 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ff45166f935bd9eaa5ea04e476063080defbdf5ce172fed09ae879423ab042de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff45166f935bd9eaa5ea04e476063080defbdf5ce172fed09ae879423ab042de", kill_on_drop: false }`
[INFO] [stdout] ff45166f935bd9eaa5ea04e476063080defbdf5ce172fed09ae879423ab042de
