[INFO] cloning repository https://github.com/GeorgeHahn/tracing-minimal-reproduction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GeorgeHahn/tracing-minimal-reproduction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorgeHahn%2Ftracing-minimal-reproduction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorgeHahn%2Ftracing-minimal-reproduction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95b9191dbebb3c5fee8ab62faccecf36762ef563
[INFO] checking GeorgeHahn/tracing-minimal-reproduction against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorgeHahn%2Ftracing-minimal-reproduction" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GeorgeHahn/tracing-minimal-reproduction on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GeorgeHahn/tracing-minimal-reproduction
[INFO] finished tweaking git repo https://github.com/GeorgeHahn/tracing-minimal-reproduction
[INFO] tweaked toml for git repo https://github.com/GeorgeHahn/tracing-minimal-reproduction written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/GeorgeHahn/tracing-minimal-reproduction already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded integer-encoding v1.1.5
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.9
[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.5.0
[INFO] [stderr]   Downloaded opentelemetry v0.6.0
[INFO] [stderr]   Downloaded protobuf v2.16.2
[INFO] [stderr]   Downloaded tracing v0.1.17
[INFO] [stderr]   Downloaded prometheus v0.7.0
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de46da13d654c5d3cd9957190be1dce34e15693461edb37a289335f0ea1c1e5a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de46da13d654c5d3cd9957190be1dce34e15693461edb37a289335f0ea1c1e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de46da13d654c5d3cd9957190be1dce34e15693461edb37a289335f0ea1c1e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de46da13d654c5d3cd9957190be1dce34e15693461edb37a289335f0ea1c1e5a", kill_on_drop: false }`
[INFO] [stdout] de46da13d654c5d3cd9957190be1dce34e15693461edb37a289335f0ea1c1e5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aac81c3d31886741bd76d63c8002490d4e7888ec556498d77f778c187b9542da
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aac81c3d31886741bd76d63c8002490d4e7888ec556498d77f778c187b9542da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling protobuf v2.16.2
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking integer-encoding v1.1.5
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking thrift v0.13.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.9
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]     Checking tracing v0.1.17
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking opentelemetry v0.6.0
[INFO] [stderr]     Checking tracing-opentelemetry v0.5.0
[INFO] [stderr]     Checking opentelemetry-jaeger v0.5.0
[INFO] [stderr]     Checking tracing-minrepr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.60s
[INFO] running `Command { std: "docker" "inspect" "aac81c3d31886741bd76d63c8002490d4e7888ec556498d77f778c187b9542da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac81c3d31886741bd76d63c8002490d4e7888ec556498d77f778c187b9542da", kill_on_drop: false }`
[INFO] [stdout] aac81c3d31886741bd76d63c8002490d4e7888ec556498d77f778c187b9542da