[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 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulresdat%2FBitCodec" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paulresdat/BitCodec on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc1/source/Cargo.toml
[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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ea11430a660e315620bee907e6be3e3938328da6fc9b611d3f9c0cd967efef3
[INFO] running `Command { std: "docker" "start" "-a" "3ea11430a660e315620bee907e6be3e3938328da6fc9b611d3f9c0cd967efef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ea11430a660e315620bee907e6be3e3938328da6fc9b611d3f9c0cd967efef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ea11430a660e315620bee907e6be3e3938328da6fc9b611d3f9c0cd967efef3", kill_on_drop: false }`
[INFO] [stdout] 3ea11430a660e315620bee907e6be3e3938328da6fc9b611d3f9c0cd967efef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d408e4be5cb9e2500601df798fe362f4ff1b252e32e0edccf17bb8f6915d2a5f
[INFO] running `Command { std: "docker" "start" "-a" "d408e4be5cb9e2500601df798fe362f4ff1b252e32e0edccf17bb8f6915d2a5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.143
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling iana-time-zone v0.1.56
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]   --> src/encoder/bitcodec.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut d: Option<FieldValue> = None;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` 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)]` 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.51s
[INFO] running `Command { std: "docker" "inspect" "d408e4be5cb9e2500601df798fe362f4ff1b252e32e0edccf17bb8f6915d2a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d408e4be5cb9e2500601df798fe362f4ff1b252e32e0edccf17bb8f6915d2a5f", kill_on_drop: false }`
[INFO] [stdout] d408e4be5cb9e2500601df798fe362f4ff1b252e32e0edccf17bb8f6915d2a5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b42ec4998449408cc7dc3d75d2384a0478d3fa120953df7b868a21c25d35e302
[INFO] running `Command { std: "docker" "start" "-a" "b42ec4998449408cc7dc3d75d2384a0478d3fa120953df7b868a21c25d35e302", kill_on_drop: false }`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]   --> src/encoder/bitcodec.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut d: Option<FieldValue> = None;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` 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)]` 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] [stderr]    Compiling pauls_encoder v0.1.0 (/opt/rustwide/workdir)
[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: 6 warnings emitted
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]   --> src/encoder/bitcodec.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut d: Option<FieldValue> = None;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` 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)]` 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "b42ec4998449408cc7dc3d75d2384a0478d3fa120953df7b868a21c25d35e302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42ec4998449408cc7dc3d75d2384a0478d3fa120953df7b868a21c25d35e302", kill_on_drop: false }`
[INFO] [stdout] b42ec4998449408cc7dc3d75d2384a0478d3fa120953df7b868a21c25d35e302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 707d47fbd1b37e0461d2c34bc16a9257fc93244d3797004fc487209d0ebbc6c5
[INFO] running `Command { std: "docker" "start" "-a" "707d47fbd1b37e0461d2c34bc16a9257fc93244d3797004fc487209d0ebbc6c5", 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `d` is never read
[INFO] [stderr]   --> src/encoder/bitcodec.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut d: Option<FieldValue> = None;
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` 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)]` 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: `pauls_encoder` (bin "pauls_encoder" test) generated 6 warnings (run `cargo fix --bin "pauls_encoder" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `pauls_encoder` (bin "pauls_encoder") generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pauls_encoder-825cb847a0c647ff)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test messaging::messages_tests::messages_tests::equality_of_message_spec ... ok
[INFO] [stdout] test encoder::bitwise_ops_tests::bitwise_ops_tests::can_pad_bits_to_expected_byte_length_for_conversion ... 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] [stdout] test messaging::messages_tests::messages_tests::hash_code_uniqueness_given_for_messages2 ... ok
[INFO] [stdout] test messaging::messages_tests::messages_tests::unique_id_is_given_if_specified ... ok
[INFO] [stdout] test messaging::messages_tests::messages_tests::messages_can_be_loaded_from_json ... ok
[INFO] [stdout] test messaging::messages_tests::messages_tests::repeating_spec_ids_are_returned_with_a_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/jsonparsing.rs (/opt/rustwide/target/debug/deps/jsonparsing-54c62750e1d68542)
[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" "707d47fbd1b37e0461d2c34bc16a9257fc93244d3797004fc487209d0ebbc6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707d47fbd1b37e0461d2c34bc16a9257fc93244d3797004fc487209d0ebbc6c5", kill_on_drop: false }`
[INFO] [stdout] 707d47fbd1b37e0461d2c34bc16a9257fc93244d3797004fc487209d0ebbc6c5
[INFO] testing paulresdat/BitCodec against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulresdat%2FBitCodec" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paulresdat/BitCodec on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc2/source/Cargo.toml
[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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1d371ee8374df47a896c2ac86d94b07478c7ac78ad3390f4bf9b620f34969f3
[INFO] running `Command { std: "docker" "start" "-a" "e1d371ee8374df47a896c2ac86d94b07478c7ac78ad3390f4bf9b620f34969f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1d371ee8374df47a896c2ac86d94b07478c7ac78ad3390f4bf9b620f34969f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d371ee8374df47a896c2ac86d94b07478c7ac78ad3390f4bf9b620f34969f3", kill_on_drop: false }`
[INFO] [stdout] e1d371ee8374df47a896c2ac86d94b07478c7ac78ad3390f4bf9b620f34969f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bf3b2d02d44d96f64fb08cd37bb4dff64cbf5bb05a0b151bf33edcbc2b66813
[INFO] running `Command { std: "docker" "start" "-a" "6bf3b2d02d44d96f64fb08cd37bb4dff64cbf5bb05a0b151bf33edcbc2b66813", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[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 libc v0.2.143
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling iana-time-zone v0.1.56
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]   --> src/encoder/bitcodec.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut d: Option<FieldValue> = None;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` 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)]` 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `Command { std: "docker" "inspect" "6bf3b2d02d44d96f64fb08cd37bb4dff64cbf5bb05a0b151bf33edcbc2b66813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf3b2d02d44d96f64fb08cd37bb4dff64cbf5bb05a0b151bf33edcbc2b66813", kill_on_drop: false }`
[INFO] [stdout] 6bf3b2d02d44d96f64fb08cd37bb4dff64cbf5bb05a0b151bf33edcbc2b66813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0e008262e64b79ca9c51202b0dd6ede7065e82be54577aa12d25986e33816c1
[INFO] running `Command { std: "docker" "start" "-a" "c0e008262e64b79ca9c51202b0dd6ede7065e82be54577aa12d25986e33816c1", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]   --> src/encoder/bitcodec.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut d: Option<FieldValue> = None;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` 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)]` 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: 6 warnings emitted
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]   --> src/encoder/bitcodec.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut d: Option<FieldValue> = None;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` 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)]` 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "c0e008262e64b79ca9c51202b0dd6ede7065e82be54577aa12d25986e33816c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e008262e64b79ca9c51202b0dd6ede7065e82be54577aa12d25986e33816c1", kill_on_drop: false }`
[INFO] [stdout] c0e008262e64b79ca9c51202b0dd6ede7065e82be54577aa12d25986e33816c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5bc8c8867f09b166dc0968b78b015ef5a6d0b403de58f359a50db52425f4ac23
[INFO] running `Command { std: "docker" "start" "-a" "5bc8c8867f09b166dc0968b78b015ef5a6d0b403de58f359a50db52425f4ac23", 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `d` is never read
[INFO] [stderr]   --> src/encoder/bitcodec.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut d: Option<FieldValue> = None;
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` 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)]` 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: `pauls_encoder` (bin "pauls_encoder") generated 6 warnings (run `cargo fix --bin "pauls_encoder"` to apply 1 suggestion)
[INFO] [stderr] warning: `pauls_encoder` (bin "pauls_encoder" test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pauls_encoder-6e9a979d7b08f60a)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[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::equality_of_message_spec ... ok
[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::hash_code_uniqueness_given_for_messages ... 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 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- messaging::messages_tests::messages_tests::repeating_spec_ids_are_returned_with_a_message stdout ----
[INFO] [stdout] []
[INFO] [stdout] thread 'messaging::messages_tests::messages_tests::repeating_spec_ids_are_returned_with_a_message' panicked at src/messaging/messages_tests.rs:192:17:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 1
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56488ebf9d26 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56488ebf9d26 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56488ebf9d26 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56488ebf9d26 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56488ec229a0 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56488ec229a0 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56488ebf757f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x56488ebf9b04 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56488ebf9b04 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56488ebfb877 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x56488ebfb55d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56488ebc5e47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56488ebc5e47 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x56488ebfbe96 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x56488ebfbe96 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x56488ebfbbe2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x56488ebfa226 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x56488ebfb934 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x56488eb5a775 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56488eb5abeb - core::panicking::assert_failed_inner::h2c4dd574e44796db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x56488eb7bc9e - core::panicking::assert_failed::h57b0dc4fd7c26aee
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x56488eb843f4 - pauls_encoder::messaging::messages_tests::messages_tests::repeating_spec_ids_are_returned_with_a_message::h6834bc81bcc5378a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/messaging/messages_tests.rs:192:17
[INFO] [stdout]   22:     0x56488eb84087 - pauls_encoder::messaging::messages_tests::messages_tests::repeating_spec_ids_are_returned_with_a_message::{{closure}}::h373ad2ba4175034a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/messaging/messages_tests.rs:147:56
[INFO] [stdout]   23:     0x56488eb7e5c6 - core::ops::function::FnOnce::call_once::hcd57cbce26a79ef6
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56488ebcba3f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56488ebcba3f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x56488ebca861 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x56488ebca861 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x56488ebca861 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x56488ebca861 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x56488ebca861 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x56488ebca861 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x56488ebca861 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x56488eb91cc6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x56488eb91cc6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x56488eb96c87 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x56488eb96c87 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x56488eb96c87 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x56488eb96c87 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x56488eb96c87 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x56488eb96c87 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x56488eb96c87 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56488ec00235 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x56488ec00235 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x56488ec00235 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f4eebe10ac3 - <unknown>
[INFO] [stdout]   46:     0x7f4eebea1bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     messaging::messages_tests::messages_tests::repeating_spec_ids_are_returned_with_a_message
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin pauls_encoder`
[INFO] running `Command { std: "docker" "inspect" "5bc8c8867f09b166dc0968b78b015ef5a6d0b403de58f359a50db52425f4ac23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc8c8867f09b166dc0968b78b015ef5a6d0b403de58f359a50db52425f4ac23", kill_on_drop: false }`
[INFO] [stdout] 5bc8c8867f09b166dc0968b78b015ef5a6d0b403de58f359a50db52425f4ac23
