[INFO] cloning repository https://github.com/LukeMathWalker/tracing-min
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LukeMathWalker/tracing-min" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukeMathWalker%2Ftracing-min", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukeMathWalker%2Ftracing-min'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f83473c2ccddd3aa93d1eca56a869d6dac567afa
[INFO] testing LukeMathWalker/tracing-min against 1.85.0 for beta-1.86-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukeMathWalker%2Ftracing-min" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LukeMathWalker/tracing-min on toolchain 1.85.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LukeMathWalker/tracing-min
[INFO] finished tweaking git repo https://github.com/LukeMathWalker/tracing-min
[INFO] tweaked toml for git repo https://github.com/LukeMathWalker/tracing-min written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LukeMathWalker/tracing-min 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" "+1.85.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35fd5d785937d0fcb680daca771ecd50a3e5d759f1c6473cb91b7f22bcdf1be1
[INFO] running `Command { std: "docker" "start" "-a" "35fd5d785937d0fcb680daca771ecd50a3e5d759f1c6473cb91b7f22bcdf1be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35fd5d785937d0fcb680daca771ecd50a3e5d759f1c6473cb91b7f22bcdf1be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35fd5d785937d0fcb680daca771ecd50a3e5d759f1c6473cb91b7f22bcdf1be1", kill_on_drop: false }`
[INFO] [stdout] 35fd5d785937d0fcb680daca771ecd50a3e5d759f1c6473cb91b7f22bcdf1be1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 305bbb45204c0b8ef7ccab8e0eec1aa1dc865ce9b120a3aaeb0bdcb63368a11a
[INFO] running `Command { std: "docker" "start" "-a" "305bbb45204c0b8ef7ccab8e0eec1aa1dc865ce9b120a3aaeb0bdcb63368a11a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling protobuf v2.15.0
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling aho-corasick v0.7.12
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling sharded-slab v0.0.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]    Compiling base64 v0.12.2
[INFO] [stderr]    Compiling chunked_transfer v1.2.0
[INFO] [stderr]    Compiling integer-encoding v1.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling thrift v0.13.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling rustls v0.17.0
[INFO] [stderr]    Compiling webpki-roots v0.19.0
[INFO] [stderr]    Compiling tracing-subscriber v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling tracing v0.1.15
[INFO] [stderr]    Compiling tracing-error v0.1.2
[INFO] [stderr]    Compiling cookie v0.13.3
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling ureq v1.2.0
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling opentelemetry v0.6.0
[INFO] [stderr]    Compiling opentelemetry-jaeger v0.5.0
[INFO] [stderr]    Compiling tracing-opentelemetry v0.5.0
[INFO] [stderr]    Compiling tracing-min v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Dummy(SpanTrace);
[INFO] [stdout]    |            ----- ^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Dummy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.64s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: protobuf v2.15.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "305bbb45204c0b8ef7ccab8e0eec1aa1dc865ce9b120a3aaeb0bdcb63368a11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305bbb45204c0b8ef7ccab8e0eec1aa1dc865ce9b120a3aaeb0bdcb63368a11a", kill_on_drop: false }`
[INFO] [stdout] 305bbb45204c0b8ef7ccab8e0eec1aa1dc865ce9b120a3aaeb0bdcb63368a11a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee1461c1b2f26072dce8028529ee16b3e697dce75001a924e17285f8b224bdf6
[INFO] running `Command { std: "docker" "start" "-a" "ee1461c1b2f26072dce8028529ee16b3e697dce75001a924e17285f8b224bdf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-min v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Dummy(SpanTrace);
[INFO] [stdout]    |            ----- ^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Dummy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: protobuf v2.15.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "ee1461c1b2f26072dce8028529ee16b3e697dce75001a924e17285f8b224bdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1461c1b2f26072dce8028529ee16b3e697dce75001a924e17285f8b224bdf6", kill_on_drop: false }`
[INFO] [stdout] ee1461c1b2f26072dce8028529ee16b3e697dce75001a924e17285f8b224bdf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5418261a40724ec4090aeaa4bd6083f604881005416a6670268606e3ba6cc304
[INFO] running `Command { std: "docker" "start" "-a" "5418261a40724ec4090aeaa4bd6083f604881005416a6670268606e3ba6cc304", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/main.rs:43:18
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub struct Dummy(SpanTrace);
[INFO] [stderr]    |            ----- ^^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `Dummy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tracing-min` (bin "tracing-min" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: protobuf v2.15.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tracing_min-ad53640480d645f8)
[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" "5418261a40724ec4090aeaa4bd6083f604881005416a6670268606e3ba6cc304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5418261a40724ec4090aeaa4bd6083f604881005416a6670268606e3ba6cc304", kill_on_drop: false }`
[INFO] [stdout] 5418261a40724ec4090aeaa4bd6083f604881005416a6670268606e3ba6cc304
