[INFO] cloning repository https://github.com/JoaoPedroPP/barIO
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoaoPedroPP/barIO" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoaoPedroPP%2FbarIO", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoaoPedroPP%2FbarIO'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18ea87f572c469cd788579fb4b289406b80a5eaf
[INFO] building JoaoPedroPP/barIO against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoaoPedroPP%2FbarIO" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JoaoPedroPP/barIO
[INFO] finished tweaking git repo https://github.com/JoaoPedroPP/barIO
[INFO] tweaked toml for git repo https://github.com/JoaoPedroPP/barIO written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JoaoPedroPP/barIO on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JoaoPedroPP/barIO 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Updating rdkafka v0.25.0 -> v0.34.0 (available: v0.38.0)
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93a50309775845809aff93432d137de244cf5eec705d8f463ab255fb5a96b2e6
[INFO] running `Command { std: "docker" "start" "-a" "93a50309775845809aff93432d137de244cf5eec705d8f463ab255fb5a96b2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93a50309775845809aff93432d137de244cf5eec705d8f463ab255fb5a96b2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a50309775845809aff93432d137de244cf5eec705d8f463ab255fb5a96b2e6", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5cfe1665a0f22470f821cd08e6b9a4358a561ba3992e5a83be9784ae2447fa9
[INFO] running `Command { std: "docker" "start" "-a" "d5cfe1665a0f22470f821cd08e6b9a4358a561ba3992e5a83be9784ae2447fa9", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rdkafka v0.34.0
[INFO] [stderr]    Compiling barIO v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rdkafka::message::FromBytes`
[INFO] [stdout]  --> src/manipulation/data.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rdkafka::message::FromBytes;
[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: `data::URedisResponse`
[INFO] [stdout]  --> src/manipulation/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use data::URedisResponse;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `franz_producer::producer`
[INFO] [stdout]   --> src/manipulation/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use franz_producer::producer;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bars`
[INFO] [stdout]   --> src/manipulation/process.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut bars: Vec<Vec<String>> = Vec::new();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_bars`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/manipulation/process.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut bars: Vec<Vec<String>> = Vec::new();
[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: struct `URedisResponse` is never constructed
[INFO] [stdout]   --> src/manipulation/data.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct URedisResponse {
[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 `RequestToken` is never constructed
[INFO] [stdout]   --> src/manipulation/cos.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct RequestToken {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `producer` is never used
[INFO] [stdout]  --> src/manipulation/franz_producer.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn producer(data: &str) {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |         for msg in pool {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 34 -         for msg in pool {
[INFO] [stdout] 34 +         while let Some(msg) = pool {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 34 -         for msg in pool {
[INFO] [stdout] 34 +         if let Some(msg) = pool {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7m 49s
[INFO] running `Command { std: "docker" "inspect" "d5cfe1665a0f22470f821cd08e6b9a4358a561ba3992e5a83be9784ae2447fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5cfe1665a0f22470f821cd08e6b9a4358a561ba3992e5a83be9784ae2447fa9", kill_on_drop: false }`
[INFO] [stdout] d5cfe1665a0f22470f821cd08e6b9a4358a561ba3992e5a83be9784ae2447fa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 310ac5b3737680792f1f9021f1090fcdfcec8dcfd9281a5eb9285a3f9efc7cf3
[INFO] running `Command { std: "docker" "start" "-a" "310ac5b3737680792f1f9021f1090fcdfcec8dcfd9281a5eb9285a3f9efc7cf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling barIO v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rdkafka::message::FromBytes`
[INFO] [stdout]  --> src/manipulation/data.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rdkafka::message::FromBytes;
[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: `data::URedisResponse`
[INFO] [stdout]  --> src/manipulation/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use data::URedisResponse;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `franz_producer::producer`
[INFO] [stdout]   --> src/manipulation/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use franz_producer::producer;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bars`
[INFO] [stdout]   --> src/manipulation/process.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut bars: Vec<Vec<String>> = Vec::new();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_bars`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/manipulation/process.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut bars: Vec<Vec<String>> = Vec::new();
[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: struct `URedisResponse` is never constructed
[INFO] [stdout]   --> src/manipulation/data.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct URedisResponse {
[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 `RequestToken` is never constructed
[INFO] [stdout]   --> src/manipulation/cos.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct RequestToken {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `producer` is never used
[INFO] [stdout]  --> src/manipulation/franz_producer.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn producer(data: &str) {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |         for msg in pool {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 34 -         for msg in pool {
[INFO] [stdout] 34 +         while let Some(msg) = pool {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 34 -         for msg in pool {
[INFO] [stdout] 34 +         if let Some(msg) = pool {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "310ac5b3737680792f1f9021f1090fcdfcec8dcfd9281a5eb9285a3f9efc7cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310ac5b3737680792f1f9021f1090fcdfcec8dcfd9281a5eb9285a3f9efc7cf3", kill_on_drop: false }`
[INFO] [stdout] 310ac5b3737680792f1f9021f1090fcdfcec8dcfd9281a5eb9285a3f9efc7cf3