[INFO] fetching crate holochain_tracing_macros 0.0.24...
[INFO] testing holochain_tracing_macros-0.0.24 against 1.54.0 for beta-1.55-1
[INFO] extracting crate holochain_tracing_macros 0.0.24 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate holochain_tracing_macros 0.0.24 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate holochain_tracing_macros 0.0.24
[INFO] finished tweaking crates.io crate holochain_tracing_macros 0.0.24
[INFO] tweaked toml for crates.io crate holochain_tracing_macros 0.0.24 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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 integer-encoding v1.1.7
[INFO] [stderr]   Downloaded thrift v0.13.0
[INFO] [stderr]   Downloaded prometheus v0.7.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.8
[INFO] [stderr]   Downloaded tracing-log v0.1.1
[INFO] [stderr]   Downloaded tracing-core v0.1.10
[INFO] [stderr]   Downloaded tracing v0.1.13
[INFO] [stderr]   Downloaded sharded-slab v0.0.8
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.3
[INFO] [stderr]   Downloaded tracing-serde v0.1.1
[INFO] [stderr]   Downloaded chrono v0.4.6
[INFO] [stderr]   Downloaded thrift_codec v0.1.1
[INFO] [stderr]   Downloaded rustracing v0.2.1
[INFO] [stderr]   Downloaded holochain_tracing v0.0.24
[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.1.0
[INFO] [stderr]   Downloaded newrelic v0.2.2
[INFO] [stderr]   Downloaded rustracing_jaeger v0.2.1
[INFO] [stderr]   Downloaded opentelemetry v0.2.0
[INFO] [stderr]   Downloaded newrelic-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b98d9f87641b272ac3b3396b3f4b3e494a524ac355c9fabb5e50d16251bc8472
[INFO] running `Command { std: "docker" "start" "-a" "b98d9f87641b272ac3b3396b3f4b3e494a524ac355c9fabb5e50d16251bc8472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b98d9f87641b272ac3b3396b3f4b3e494a524ac355c9fabb5e50d16251bc8472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b98d9f87641b272ac3b3396b3f4b3e494a524ac355c9fabb5e50d16251bc8472", kill_on_drop: false }`
[INFO] [stdout] b98d9f87641b272ac3b3396b3f4b3e494a524ac355c9fabb5e50d16251bc8472
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12ac62df21a8a86dac01c2d359f968ffa2e073a0883b143a996e4b6503f93a50
[INFO] running `Command { std: "docker" "start" "-a" "12ac62df21a8a86dac01c2d359f968ffa2e073a0883b143a996e4b6503f93a50", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling protobuf v2.24.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling integer-encoding v1.1.7
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.0.8
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling thrift v0.13.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling trackable v1.2.0
[INFO] [stderr]    Compiling trackable v0.2.24
[INFO] [stderr]    Compiling thrift_codec v0.1.1
[INFO] [stderr]    Compiling rustracing v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling rustracing_jaeger v0.2.1
[INFO] [stderr]    Compiling pin-project v0.4.28
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_json v1.0.47
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling opentelemetry v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.2.3
[INFO] [stderr]    Compiling opentelemetry-jaeger v0.1.0
[INFO] [stderr]    Compiling holochain_tracing v0.0.24
[INFO] [stderr]    Compiling holochain_tracing_macros v0.0.24 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_span)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `holochain_tracing_macros`
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "12ac62df21a8a86dac01c2d359f968ffa2e073a0883b143a996e4b6503f93a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ac62df21a8a86dac01c2d359f968ffa2e073a0883b143a996e4b6503f93a50", kill_on_drop: false }`
[INFO] [stdout] 12ac62df21a8a86dac01c2d359f968ffa2e073a0883b143a996e4b6503f93a50
