[INFO] fetching crate tracebuild 0.3.0...
[INFO] building tracebuild-0.3.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tracebuild 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tracebuild 0.3.0
[INFO] finished tweaking crates.io crate tracebuild 0.3.0
[INFO] tweaked toml for crates.io crate tracebuild 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracebuild 0.3.0 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 crates.io crate tracebuild 0.3.0 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 }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83840ea9a98add2c7c453711db9908bec91e1d8784a7e6e13e542a79d5ce5cde
[INFO] running `Command { std: "docker" "start" "-a" "83840ea9a98add2c7c453711db9908bec91e1d8784a7e6e13e542a79d5ce5cde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83840ea9a98add2c7c453711db9908bec91e1d8784a7e6e13e542a79d5ce5cde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83840ea9a98add2c7c453711db9908bec91e1d8784a7e6e13e542a79d5ce5cde", kill_on_drop: false }`
[INFO] [stdout] 83840ea9a98add2c7c453711db9908bec91e1d8784a7e6e13e542a79d5ce5cde
[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=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] 106cfafdc0ee91aab4a586047d5c8ef245efe45f8df7e9785b103e012020c80f
[INFO] running `Command { std: "docker" "start" "-a" "106cfafdc0ee91aab4a586047d5c8ef245efe45f8df7e9785b103e012020c80f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling ureq v2.0.2
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[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling tonic-build v0.3.1
[INFO] [stderr]    Compiling opentelemetry-otlp v0.5.0
[INFO] [stderr]    Compiling tokio-util v0.6.4
[INFO] [stderr]    Compiling tokio-stream v0.1.4
[INFO] [stderr]    Compiling opentelemetry v0.12.0
[INFO] [stderr]    Compiling h2 v0.3.1
[INFO] [stderr]    Compiling tower v0.4.6
[INFO] [stderr]    Compiling opentelemetry-prometheus v0.5.0
[INFO] [stderr]    Compiling hyper v0.14.4
[INFO] [stderr]    Compiling reqwest v0.11.2
[INFO] [stderr]    Compiling tonic v0.4.1
[INFO] [stderr]    Compiling opentelemetry-http v0.1.0
[INFO] [stderr]    Compiling opentelemetry-jaeger v0.11.0
[INFO] [stderr]    Compiling tracebuild v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/pipeline/mod.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Otlp(opentelemetry_otlp::Uninstall),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 -     Otlp(opentelemetry_otlp::Uninstall),
[INFO] [stdout] 30 +     Otlp(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/pipeline/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Jaeger(opentelemetry_jaeger::Uninstall),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 -     Jaeger(opentelemetry_jaeger::Uninstall),
[INFO] [stdout] 31 +     Jaeger(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/pipeline/mod.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Prometheus(prometheus::PrometheusPushOnDropExporter),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 -     Prometheus(prometheus::PrometheusPushOnDropExporter),
[INFO] [stdout] 36 +     Prometheus(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "106cfafdc0ee91aab4a586047d5c8ef245efe45f8df7e9785b103e012020c80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106cfafdc0ee91aab4a586047d5c8ef245efe45f8df7e9785b103e012020c80f", kill_on_drop: false }`
[INFO] [stdout] 106cfafdc0ee91aab4a586047d5c8ef245efe45f8df7e9785b103e012020c80f
[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=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] a24f73a4046f4b731bf491b5ebbdf3b7e29945de821a981d4bf68dcabd080046
[INFO] running `Command { std: "docker" "start" "-a" "a24f73a4046f4b731bf491b5ebbdf3b7e29945de821a981d4bf68dcabd080046", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracebuild v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/pipeline/mod.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Otlp(opentelemetry_otlp::Uninstall),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 -     Otlp(opentelemetry_otlp::Uninstall),
[INFO] [stdout] 30 +     Otlp(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/pipeline/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Jaeger(opentelemetry_jaeger::Uninstall),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 -     Jaeger(opentelemetry_jaeger::Uninstall),
[INFO] [stdout] 31 +     Jaeger(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/pipeline/mod.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Prometheus(prometheus::PrometheusPushOnDropExporter),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 -     Prometheus(prometheus::PrometheusPushOnDropExporter),
[INFO] [stdout] 36 +     Prometheus(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "a24f73a4046f4b731bf491b5ebbdf3b7e29945de821a981d4bf68dcabd080046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a24f73a4046f4b731bf491b5ebbdf3b7e29945de821a981d4bf68dcabd080046", kill_on_drop: false }`
[INFO] [stdout] a24f73a4046f4b731bf491b5ebbdf3b7e29945de821a981d4bf68dcabd080046
