[INFO] cloning repository https://github.com/paulresdat/BitCodec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paulresdat/BitCodec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulresdat%2FBitCodec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulresdat%2FBitCodec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14a4e90be4f9d556fba36a24f271747d501ee203
[INFO] testing paulresdat/BitCodec against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulresdat%2FBitCodec" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/paulresdat/BitCodec
[INFO] finished tweaking git repo https://github.com/paulresdat/BitCodec
[INFO] tweaked toml for git repo https://github.com/paulresdat/BitCodec written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/paulresdat/BitCodec on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/paulresdat/BitCodec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f2556d2dd4460fdbc2e6470fdf1843946559f95355e1e79432b7ec77587deeb6
[INFO] running `Command { std: "docker" "start" "f2556d2dd4460fdbc2e6470fdf1843946559f95355e1e79432b7ec77587deeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2556d2dd4460fdbc2e6470fdf1843946559f95355e1e79432b7ec77587deeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f2556d2dd4460fdbc2e6470fdf1843946559f95355e1e79432b7ec77587deeb6" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2556d2dd4460fdbc2e6470fdf1843946559f95355e1e79432b7ec77587deeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f2556d2dd4460fdbc2e6470fdf1843946559f95355e1e79432b7ec77587deeb6" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.143
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling iana-time-zone v0.1.56
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling chrono v0.4.24
[INFO] [stderr]    Compiling serde_derive v1.0.163
[INFO] [stderr]    Compiling pauls_encoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> src/messaging/messages.rs:1:82
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{hash::{Hash, Hasher}, collections::{hash_map::DefaultHasher, HashMap}, vec};
[INFO] [stdout]   |                                                                                  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]   --> src/encoder/bitcodec.rs:33:41
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut d: Option<FieldValue> = None;
[INFO] [stdout]    |                                         ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 37 |                 d = Some(FieldValue::Bool(bits[0] == 1));
[INFO] [stdout]    |                 - `d` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `error` and `error_str` are never read
[INFO] [stdout]   --> src/encoder/bitcodec.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct BitCodecError {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout]  9 |     error: CodecResultCode,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     error_str: String
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]  --> src/messaging/message_caching.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cache<F, Args, Ret> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `call` are never used
[INFO] [stdout]   --> src/messaging/message_caching.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | / impl <F, Args, Ret> Cache<F, Args, Ret>
[INFO] [stdout]  9 | | where
[INFO] [stdout] 10 | |     F: FnMut(Args) -> Ret,
[INFO] [stdout] 11 | |     Args: Clone + Hash + Eq,
[INFO] [stdout] 12 | |     Ret: Clone,
[INFO] [stdout]    | |_______________- associated items in this implementation
[INFO] [stdout] 13 |   {
[INFO] [stdout] 14 |       pub fn new(callable: F) -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |       pub fn call(&mut self, args: Args) -> Ret {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_message` is never used
[INFO] [stdout]    --> src/messaging/messages.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl MessageFactory {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn new_message(&mut self, index: String, message: Message) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageVersionQuery` is never constructed
[INFO] [stdout]    --> src/messaging/messages.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub struct MessageVersionQuery {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/messaging/messages.rs:172:27
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn _fetch_next_spec_id<'b>(&'b self, messages: &Vec<&Box<MessageSpec>>, selected_message_ids: &Vec<String>)
[INFO] [stdout]     |                                 -- the lifetime is named here
[INFO] [stdout] 172 |         -> Result<String, &str> {
[INFO] [stdout]     |                           ^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]     |
[INFO] [stdout] 172 |         -> Result<String, &'b str> {
[INFO] [stdout]     |                            ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 14.89s
[INFO] running `Command { std: "docker" "inspect" "f2556d2dd4460fdbc2e6470fdf1843946559f95355e1e79432b7ec77587deeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f2556d2dd4460fdbc2e6470fdf1843946559f95355e1e79432b7ec77587deeb6" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling pauls_encoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> src/messaging/messages.rs:1:82
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{hash::{Hash, Hasher}, collections::{hash_map::DefaultHasher, HashMap}, vec};
[INFO] [stdout]   |                                                                                  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]   --> src/encoder/bitcodec.rs:33:41
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut d: Option<FieldValue> = None;
[INFO] [stdout]    |                                         ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 37 |                 d = Some(FieldValue::Bool(bits[0] == 1));
[INFO] [stdout]    |                 - `d` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `error` and `error_str` are never read
[INFO] [stdout]   --> src/encoder/bitcodec.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct BitCodecError {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout]  9 |     error: CodecResultCode,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     error_str: String
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]  --> src/messaging/message_caching.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cache<F, Args, Ret> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `call` are never used
[INFO] [stdout]   --> src/messaging/message_caching.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | / impl <F, Args, Ret> Cache<F, Args, Ret>
[INFO] [stdout]  9 | | where
[INFO] [stdout] 10 | |     F: FnMut(Args) -> Ret,
[INFO] [stdout] 11 | |     Args: Clone + Hash + Eq,
[INFO] [stdout] 12 | |     Ret: Clone,
[INFO] [stdout]    | |_______________- associated items in this implementation
[INFO] [stdout] 13 |   {
[INFO] [stdout] 14 |       pub fn new(callable: F) -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |       pub fn call(&mut self, args: Args) -> Ret {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_message` is never used
[INFO] [stdout]    --> src/messaging/messages.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl MessageFactory {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn new_message(&mut self, index: String, message: Message) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageVersionQuery` is never constructed
[INFO] [stdout]    --> src/messaging/messages.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub struct MessageVersionQuery {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/messaging/messages.rs:172:27
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn _fetch_next_spec_id<'b>(&'b self, messages: &Vec<&Box<MessageSpec>>, selected_message_ids: &Vec<String>)
[INFO] [stdout]     |                                 -- the lifetime is named here
[INFO] [stdout] 172 |         -> Result<String, &str> {
[INFO] [stdout]     |                           ^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]     |
[INFO] [stdout] 172 |         -> Result<String, &'b str> {
[INFO] [stdout]     |                            ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> src/messaging/messages.rs:1:82
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{hash::{Hash, Hasher}, collections::{hash_map::DefaultHasher, HashMap}, vec};
[INFO] [stdout]   |                                                                                  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]   --> src/encoder/bitcodec.rs:33:41
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut d: Option<FieldValue> = None;
[INFO] [stdout]    |                                         ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 37 |                 d = Some(FieldValue::Bool(bits[0] == 1));
[INFO] [stdout]    |                 - `d` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `error` and `error_str` are never read
[INFO] [stdout]   --> src/encoder/bitcodec.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct BitCodecError {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout]  9 |     error: CodecResultCode,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     error_str: String
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]  --> src/messaging/message_caching.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cache<F, Args, Ret> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `call` are never used
[INFO] [stdout]   --> src/messaging/message_caching.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | / impl <F, Args, Ret> Cache<F, Args, Ret>
[INFO] [stdout]  9 | | where
[INFO] [stdout] 10 | |     F: FnMut(Args) -> Ret,
[INFO] [stdout] 11 | |     Args: Clone + Hash + Eq,
[INFO] [stdout] 12 | |     Ret: Clone,
[INFO] [stdout]    | |_______________- associated items in this implementation
[INFO] [stdout] 13 |   {
[INFO] [stdout] 14 |       pub fn new(callable: F) -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |       pub fn call(&mut self, args: Args) -> Ret {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_message` is never used
[INFO] [stdout]    --> src/messaging/messages.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl MessageFactory {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn new_message(&mut self, index: String, message: Message) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/messaging/messages.rs:172:27
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn _fetch_next_spec_id<'b>(&'b self, messages: &Vec<&Box<MessageSpec>>, selected_message_ids: &Vec<String>)
[INFO] [stdout]     |                                 -- the lifetime is named here
[INFO] [stdout] 172 |         -> Result<String, &str> {
[INFO] [stdout]     |                           ^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]     |
[INFO] [stdout] 172 |         -> Result<String, &'b str> {
[INFO] [stdout]     |                            ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "f2556d2dd4460fdbc2e6470fdf1843946559f95355e1e79432b7ec77587deeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f2556d2dd4460fdbc2e6470fdf1843946559f95355e1e79432b7ec77587deeb6" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `vec`
[INFO] [stderr]  --> src/messaging/messages.rs:1:82
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{hash::{Hash, Hasher}, collections::{hash_map::DefaultHasher, HashMap}, vec};
[INFO] [stderr]   |                                                                                  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `d` is never read
[INFO] [stderr]   --> src/encoder/bitcodec.rs:33:41
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut d: Option<FieldValue> = None;
[INFO] [stderr]    |                                         ^^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 37 |                 d = Some(FieldValue::Bool(bits[0] == 1));
[INFO] [stderr]    |                 - `d` is overwritten here before the previous value is read
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `error` and `error_str` are never read
[INFO] [stderr]   --> src/encoder/bitcodec.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | pub struct BitCodecError {
[INFO] [stderr]    |            ------------- fields in this struct
[INFO] [stderr]  9 |     error: CodecResultCode,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 10 |     error_str: String
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cache` is never constructed
[INFO] [stderr]  --> src/messaging/message_caching.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Cache<F, Args, Ret> {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `call` are never used
[INFO] [stderr]   --> src/messaging/message_caching.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr]  8 | / impl <F, Args, Ret> Cache<F, Args, Ret>
[INFO] [stderr]  9 | | where
[INFO] [stderr] 10 | |     F: FnMut(Args) -> Ret,
[INFO] [stderr] 11 | |     Args: Clone + Hash + Eq,
[INFO] [stderr] 12 | |     Ret: Clone,
[INFO] [stderr]    | |_______________- associated items in this implementation
[INFO] [stderr] 13 |   {
[INFO] [stderr] 14 |       pub fn new(callable: F) -> Self {
[INFO] [stderr]    |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |       pub fn call(&mut self, args: Args) -> Ret {
[INFO] [stderr]    |              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `new_message` is never used
[INFO] [stderr]    --> src/messaging/messages.rs:107:8
[INFO] [stderr]     |
[INFO] [stderr]  98 | impl MessageFactory {
[INFO] [stderr]     | ------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 107 |     fn new_message(&mut self, index: String, message: Message) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/messaging/messages.rs:172:27
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn _fetch_next_spec_id<'b>(&'b self, messages: &Vec<&Box<MessageSpec>>, selected_message_ids: &Vec<String>)
[INFO] [stderr]     |                                 -- the lifetime is named here
[INFO] [stderr] 172 |         -> Result<String, &str> {
[INFO] [stderr]     |                           ^^^^ the same lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'b`
[INFO] [stderr]     |
[INFO] [stderr] 172 |         -> Result<String, &'b str> {
[INFO] [stderr]     |                            ++
[INFO] [stderr] 
[INFO] [stderr] warning: `pauls_encoder` (bin "pauls_encoder" test) generated 7 warnings (run `cargo fix --bin "pauls_encoder" -p pauls_encoder --tests` to apply 2 suggestions)
[INFO] [stderr] warning: struct `MessageVersionQuery` is never constructed
[INFO] [stderr]    --> src/messaging/messages.rs:221:12
[INFO] [stderr]     |
[INFO] [stderr] 221 | pub struct MessageVersionQuery {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pauls_encoder` (bin "pauls_encoder") generated 8 warnings (7 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/build/pauls_encoder/c4f69fcc3a66a633/out/pauls_encoder-c4f69fcc3a66a633)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test encoder::bitwise_ops_tests::bitwise_ops_tests::can_pad_bits_to_expected_byte_length_for_conversion ... ok
[INFO] [stdout] test messaging::messages_tests::messages_tests::hash_code_uniqueness_given_for_messages2 ... ok
[INFO] [stdout] test messaging::messages_tests::messages_tests::equality_of_message_spec ... ok
[INFO] [stdout] test messaging::messages_tests::messages_tests::messages_can_be_loaded_from_json ... ok
[INFO] [stdout] test messaging::messages_tests::messages_tests::unique_id_is_given_if_specified ... ok
[INFO] [stdout] test messaging::messages_tests::messages_tests::repeating_spec_ids_are_returned_with_a_message ... ok
[INFO] [stdout] test encoder::bitwise_ops_tests::bitwise_ops_tests::can_read_bits_in_a_stream_of_bytes ... ok
[INFO] [stdout] test messaging::messages_tests::messages_tests::hash_code_uniqueness_given_for_messages ... ok
[INFO] [stderr]      Running tests/jsonparsing.rs (/opt/rustwide/target/release/build/pauls_encoder/5539b599836e6579/out/jsonparsing-5539b599836e6579)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test a_generic_message_can_be_parsed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2556d2dd4460fdbc2e6470fdf1843946559f95355e1e79432b7ec77587deeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2556d2dd4460fdbc2e6470fdf1843946559f95355e1e79432b7ec77587deeb6", kill_on_drop: false }`
[INFO] [stdout] f2556d2dd4460fdbc2e6470fdf1843946559f95355e1e79432b7ec77587deeb6
