[INFO] fetching crate tracebuild 0.3.0...
[INFO] testing tracebuild-0.3.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate tracebuild 0.3.0 into /workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracebuild 0.3.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 632d64f059d9fb0b852e5214f3885b4bd5a38bca1eb75d542616b09e2245454e
[INFO] running `Command { std: "docker" "start" "-a" "632d64f059d9fb0b852e5214f3885b4bd5a38bca1eb75d542616b09e2245454e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "632d64f059d9fb0b852e5214f3885b4bd5a38bca1eb75d542616b09e2245454e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632d64f059d9fb0b852e5214f3885b4bd5a38bca1eb75d542616b09e2245454e", kill_on_drop: false }`
[INFO] [stdout] 632d64f059d9fb0b852e5214f3885b4bd5a38bca1eb75d542616b09e2245454e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a172bd0ff43502fa5c83fab0eecf4548e7208bbccb4a38f9ff685aef3f85ea3
[INFO] running `Command { std: "docker" "start" "-a" "6a172bd0ff43502fa5c83fab0eecf4548e7208bbccb4a38f9ff685aef3f85ea3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling prost-derive v0.7.0
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[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling chunked_transfer v1.4.0
[INFO] [stderr]    Compiling tonic-build v0.3.1
[INFO] [stderr]    Compiling ureq v2.0.2
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling tokio-util v0.6.4
[INFO] [stderr]    Compiling tokio-stream v0.1.4
[INFO] [stderr]    Compiling opentelemetry-otlp v0.5.0
[INFO] [stderr]    Compiling h2 v0.3.1
[INFO] [stderr]    Compiling opentelemetry v0.12.0
[INFO] [stderr]    Compiling tower v0.4.6
[INFO] [stderr]    Compiling structopt v0.3.21
[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 2m 31s
[INFO] running `Command { std: "docker" "inspect" "6a172bd0ff43502fa5c83fab0eecf4548e7208bbccb4a38f9ff685aef3f85ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a172bd0ff43502fa5c83fab0eecf4548e7208bbccb4a38f9ff685aef3f85ea3", kill_on_drop: false }`
[INFO] [stdout] 6a172bd0ff43502fa5c83fab0eecf4548e7208bbccb4a38f9ff685aef3f85ea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0097eb10aec80788e50a43a862cc690df9403636d1fc1c502b7502866710abd1
[INFO] running `Command { std: "docker" "start" "-a" "0097eb10aec80788e50a43a862cc690df9403636d1fc1c502b7502866710abd1", 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 1.13s
[INFO] running `Command { std: "docker" "inspect" "0097eb10aec80788e50a43a862cc690df9403636d1fc1c502b7502866710abd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0097eb10aec80788e50a43a862cc690df9403636d1fc1c502b7502866710abd1", kill_on_drop: false }`
[INFO] [stdout] 0097eb10aec80788e50a43a862cc690df9403636d1fc1c502b7502866710abd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e5e41c08eaa3fd639115d4fa16d9105cef4d96e565b3341afaa255ab333ba9f
[INFO] running `Command { std: "docker" "start" "-a" "5e5e41c08eaa3fd639115d4fa16d9105cef4d96e565b3341afaa255ab333ba9f", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/pipeline/mod.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Otlp(opentelemetry_otlp::Uninstall),
[INFO] [stderr]    |     ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 30 -     Otlp(opentelemetry_otlp::Uninstall),
[INFO] [stderr] 30 +     Otlp(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/pipeline/mod.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Jaeger(opentelemetry_jaeger::Uninstall),
[INFO] [stderr]    |     ------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 31 -     Jaeger(opentelemetry_jaeger::Uninstall),
[INFO] [stderr] 31 +     Jaeger(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/pipeline/mod.rs:36:16
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Prometheus(prometheus::PrometheusPushOnDropExporter),
[INFO] [stderr]    |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 36 -     Prometheus(prometheus::PrometheusPushOnDropExporter),
[INFO] [stderr] 36 +     Prometheus(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `tracebuild` (bin "tracebuild" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tracebuild-dea2aea4aab1663c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e5e41c08eaa3fd639115d4fa16d9105cef4d96e565b3341afaa255ab333ba9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5e41c08eaa3fd639115d4fa16d9105cef4d96e565b3341afaa255ab333ba9f", kill_on_drop: false }`
[INFO] [stdout] 5e5e41c08eaa3fd639115d4fa16d9105cef4d96e565b3341afaa255ab333ba9f
