[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] testing GeorgeHahn/tracing-minimal-reproduction against beta-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorgeHahn%2Ftracing-minimal-reproduction" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/GeorgeHahn/tracing-minimal-reproduction on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-serde v0.1.1 [INFO] [stderr] Downloaded tracing v0.1.17 [INFO] [stderr] Downloaded prometheus v0.7.0 [INFO] [stderr] Downloaded integer-encoding v1.1.5 [INFO] [stderr] Downloaded thrift v0.13.0 [INFO] [stderr] Downloaded tracing-opentelemetry v0.5.0 [INFO] [stderr] Downloaded sharded-slab v0.0.9 [INFO] [stderr] Downloaded opentelemetry-jaeger v0.5.0 [INFO] [stderr] Downloaded protobuf v2.16.2 [INFO] [stderr] Downloaded tracing-subscriber v0.2.9 [INFO] [stderr] Downloaded opentelemetry v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8f4425781ff7cfa91f51b07fa09fc447f025bccd6e8976e4def18279d9d5ee98 [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" "8f4425781ff7cfa91f51b07fa09fc447f025bccd6e8976e4def18279d9d5ee98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f4425781ff7cfa91f51b07fa09fc447f025bccd6e8976e4def18279d9d5ee98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f4425781ff7cfa91f51b07fa09fc447f025bccd6e8976e4def18279d9d5ee98", kill_on_drop: false }` [INFO] [stdout] 8f4425781ff7cfa91f51b07fa09fc447f025bccd6e8976e4def18279d9d5ee98 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0643ea26192e313d6520eb0cd682f45c38ffb02bac13dd5f7c2314e123b1dcef [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" "0643ea26192e313d6520eb0cd682f45c38ffb02bac13dd5f7c2314e123b1dcef", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling protobuf v2.16.2 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling prometheus v0.7.0 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling smallvec v1.4.1 [INFO] [stderr] Compiling integer-encoding v1.1.5 [INFO] [stderr] Compiling tracing-core v0.1.11 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling sharded-slab v0.0.9 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling tracing-log v0.1.1 [INFO] [stderr] Compiling aho-corasick v0.7.13 [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 rand_core v0.5.1 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling ordered-float v1.1.0 [INFO] [stderr] Compiling thrift v0.13.0 [INFO] [stderr] Compiling chrono v0.4.13 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling tracing-serde v0.1.1 [INFO] [stderr] Compiling tracing-subscriber v0.2.9 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling tracing-attributes v0.1.9 [INFO] [stderr] Compiling tracing v0.1.17 [INFO] [stderr] Compiling pin-project v0.4.23 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling tracing-futures v0.2.4 [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 tracing-opentelemetry v0.5.0 [INFO] [stderr] Compiling opentelemetry-jaeger v0.5.0 [INFO] [stderr] Compiling tracing-minrepr v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 08s [INFO] running `Command { std: "docker" "inspect" "0643ea26192e313d6520eb0cd682f45c38ffb02bac13dd5f7c2314e123b1dcef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0643ea26192e313d6520eb0cd682f45c38ffb02bac13dd5f7c2314e123b1dcef", kill_on_drop: false }` [INFO] [stdout] 0643ea26192e313d6520eb0cd682f45c38ffb02bac13dd5f7c2314e123b1dcef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b26a666728e735e72626cf5448314675719bc4be243cade1f1648d14a0a03100 [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" "b26a666728e735e72626cf5448314675719bc4be243cade1f1648d14a0a03100", kill_on_drop: false }` [INFO] [stderr] Compiling tracing-minrepr v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.24s [INFO] running `Command { std: "docker" "inspect" "b26a666728e735e72626cf5448314675719bc4be243cade1f1648d14a0a03100", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b26a666728e735e72626cf5448314675719bc4be243cade1f1648d14a0a03100", kill_on_drop: false }` [INFO] [stdout] b26a666728e735e72626cf5448314675719bc4be243cade1f1648d14a0a03100 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7fe41ffffc7cad367b30c439687ab6e5d3b672eb2375c3cc9e67f8c0dd45a2a6 [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" "7fe41ffffc7cad367b30c439687ab6e5d3b672eb2375c3cc9e67f8c0dd45a2a6", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tracing_minrepr-0268cd0dee68b067 [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" "7fe41ffffc7cad367b30c439687ab6e5d3b672eb2375c3cc9e67f8c0dd45a2a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fe41ffffc7cad367b30c439687ab6e5d3b672eb2375c3cc9e67f8c0dd45a2a6", kill_on_drop: false }` [INFO] [stdout] 7fe41ffffc7cad367b30c439687ab6e5d3b672eb2375c3cc9e67f8c0dd45a2a6