[INFO] cloning repository https://github.com/ttys3/rust-otel-tracing-demo
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[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttys3%2Frust-otel-tracing-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6accdea066e69d9b33159f50f2ac2b29cdf5caac
[INFO] building ttys3/rust-otel-tracing-demo against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttys3%2Frust-otel-tracing-demo" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ttys3/rust-otel-tracing-demo on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ttys3/rust-otel-tracing-demo
[INFO] finished tweaking git repo https://github.com/ttys3/rust-otel-tracing-demo
[INFO] tweaked toml for git repo https://github.com/ttys3/rust-otel-tracing-demo written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/ttys3/rust-otel-tracing-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opentelemetry-http v0.6.0
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[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.16.0
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.17.2
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[INFO] running `Command { std: "docker" "start" "-a" "09e7b13ec953c24d712e048b9c1b581017d515e44d1432199cb2a8401fb8d285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09e7b13ec953c24d712e048b9c1b581017d515e44d1432199cb2a8401fb8d285", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "69ac98caaa1759fe2febdebeeb9321dc8413248b15bf9d329347b5ec36649849", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tower v0.4.12
[INFO] [stderr]    Compiling opentelemetry v0.17.0
[INFO] [stderr]    Compiling h2 v0.3.12
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[INFO] [stderr]    Compiling opentelemetry-semantic-conventions v0.9.0
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[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling hyper-timeout v0.4.1
[INFO] [stderr]    Compiling tonic v0.6.2
[INFO] [stderr]    Compiling rust-otel-tracing-demo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/main.rs:7:76
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tracing::{trace_span, info_span, warn_span, error_span,  debug, info,  warn,error};
[INFO] [stdout]   |                                                                            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EnvFilter`
[INFO] [stdout]  --> src/main.rs:9:53
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing_subscriber::{fmt, layer::SubscriberExt, EnvFilter, Registry};
[INFO] [stdout]   |                                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace::Tracer`
[INFO] [stdout]  --> src/main.rs:3:39
[INFO] [stdout]   |
[INFO] [stdout] 3 | use opentelemetry::{global, KeyValue, trace::Tracer};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `username`
[INFO] [stdout]    --> src/main.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     username: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `UserInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:160:10
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display_name`
[INFO] [stdout]    --> src/main.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     display_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `UserInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:160:10
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `email`
[INFO] [stdout]    --> src/main.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     email: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `UserInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:160:10
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `Command { std: "docker" "inspect" "69ac98caaa1759fe2febdebeeb9321dc8413248b15bf9d329347b5ec36649849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ac98caaa1759fe2febdebeeb9321dc8413248b15bf9d329347b5ec36649849", kill_on_drop: false }`
[INFO] [stdout] 69ac98caaa1759fe2febdebeeb9321dc8413248b15bf9d329347b5ec36649849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dba03e20195071956375727256ae3c037c4b6587348252d56de99e460830822
[INFO] running `Command { std: "docker" "start" "-a" "4dba03e20195071956375727256ae3c037c4b6587348252d56de99e460830822", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-otel-tracing-demo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/main.rs:7:76
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tracing::{trace_span, info_span, warn_span, error_span,  debug, info,  warn,error};
[INFO] [stdout]   |                                                                            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EnvFilter`
[INFO] [stdout]  --> src/main.rs:9:53
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing_subscriber::{fmt, layer::SubscriberExt, EnvFilter, Registry};
[INFO] [stdout]   |                                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace::Tracer`
[INFO] [stdout]  --> src/main.rs:3:39
[INFO] [stdout]   |
[INFO] [stdout] 3 | use opentelemetry::{global, KeyValue, trace::Tracer};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `username`
[INFO] [stdout]    --> src/main.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     username: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `UserInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:160:10
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display_name`
[INFO] [stdout]    --> src/main.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     display_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `UserInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:160:10
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `email`
[INFO] [stdout]    --> src/main.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     email: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `UserInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:160:10
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.05s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_otel_tracing_demo-90857f54c3e67f03)
[INFO] running `Command { std: "docker" "inspect" "4dba03e20195071956375727256ae3c037c4b6587348252d56de99e460830822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dba03e20195071956375727256ae3c037c4b6587348252d56de99e460830822", kill_on_drop: false }`
[INFO] [stdout] 4dba03e20195071956375727256ae3c037c4b6587348252d56de99e460830822