[INFO] cloning repository https://github.com/cpcloud/tracing_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cpcloud/tracing_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpcloud%2Ftracing_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpcloud%2Ftracing_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16e680c39ad46d7c78c8b37a522545395a482f7d
[INFO] checking cpcloud/tracing_example against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpcloud%2Ftracing_example" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cpcloud/tracing_example on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cpcloud/tracing_example
[INFO] finished tweaking git repo https://github.com/cpcloud/tracing_example
[INFO] tweaked toml for git repo https://github.com/cpcloud/tracing_example written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/cpcloud/tracing_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic v0.4.3
[INFO] [stderr]   Downloaded integer-encoding v1.1.7
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[INFO] [stderr]   Downloaded tonic-build v0.4.2
[INFO] [stderr]   Downloaded opentelemetry-semantic-conventions v0.5.0
[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.12.1
[INFO] [stderr]   Downloaded tower v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f50946abff444e1fc2bcb078ea6b0d60db20d71147e79e1d8a4e73b43246a4f
[INFO] running `Command { std: "docker" "start" "-a" "3f50946abff444e1fc2bcb078ea6b0d60db20d71147e79e1d8a4e73b43246a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f50946abff444e1fc2bcb078ea6b0d60db20d71147e79e1d8a4e73b43246a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f50946abff444e1fc2bcb078ea6b0d60db20d71147e79e1d8a4e73b43246a4f", kill_on_drop: false }`
[INFO] [stdout] 3f50946abff444e1fc2bcb078ea6b0d60db20d71147e79e1d8a4e73b43246a4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 076405403ada198557fecf179f7ca4d5afdb41b18203fb70efb3c7389dc042ea
[INFO] running `Command { std: "docker" "start" "-a" "076405403ada198557fecf179f7ca4d5afdb41b18203fb70efb3c7389dc042ea", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
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[INFO] [stderr]   indexmap v1.6.2 (as host dependency): std
[INFO] [stderr]   log v0.4.14 (as host dependency): std
[INFO] [stderr]   prost v0.7.0 (as host dependency): default, std
[INFO] [stderr]   rand v0.8.3 (as host dependency): small_rng
[INFO] [stderr]   tokio v1.6.0: winapi
[INFO] [stderr] 
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[INFO] [stderr]    Compiling prost-derive v0.7.0
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[INFO] [stderr]     Checking tracing_example v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.59s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bytes v1.0.1
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[INFO] [stderr]    Compiling tokio v1.6.0
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[INFO] [stderr]    Compiling prost v0.7.0
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[INFO] [stderr]    Compiling petgraph v0.5.1
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[INFO] [stderr]     Checking tracing-opentelemetry v0.12.0
[INFO] [stderr]     Checking hyper v0.14.7
[INFO] [stderr]     Checking tonic v0.4.3
[INFO] [stderr]     Checking tracing_example v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.55s
[INFO] running `Command { std: "docker" "inspect" "076405403ada198557fecf179f7ca4d5afdb41b18203fb70efb3c7389dc042ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076405403ada198557fecf179f7ca4d5afdb41b18203fb70efb3c7389dc042ea", kill_on_drop: false }`
[INFO] [stdout] 076405403ada198557fecf179f7ca4d5afdb41b18203fb70efb3c7389dc042ea