[INFO] fetching crate telemetry-subscribers 0.4.1...
[INFO] checking telemetry-subscribers-0.4.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate telemetry-subscribers 0.4.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate telemetry-subscribers 0.4.1
[INFO] finished tweaking crates.io crate telemetry-subscribers 0.4.1
[INFO] tweaked toml for crates.io crate telemetry-subscribers 0.4.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate telemetry-subscribers 0.4.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate telemetry-subscribers 0.4.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-appender v0.2.2
[INFO] [stderr]   Downloaded opentelemetry-semantic-conventions v0.10.0
[INFO] [stderr]   Downloaded tracing-chrome v0.7.0
[INFO] [stderr]   Downloaded prost v0.11.2
[INFO] [stderr]   Downloaded prost-types v0.11.2
[INFO] [stderr]   Downloaded console-api v0.4.0
[INFO] [stderr]   Downloaded camino v1.1.1
[INFO] [stderr]   Downloaded console-subscriber v0.1.8
[INFO] [stderr]   Downloaded tonic v0.8.2
[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.17.0
[INFO] [stderr]   Downloaded thrift v0.16.0
[INFO] [stderr]   Downloaded prost-derive v0.11.2
[INFO] [stderr]   Downloaded hdrhistogram v7.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a5af11ffdd1a5cc967fb375e9f095ea72fd3bfa75e0c6299a9f10c81ee24ce9
[INFO] running `Command { std: "docker" "start" "-a" "5a5af11ffdd1a5cc967fb375e9f095ea72fd3bfa75e0c6299a9f10c81ee24ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a5af11ffdd1a5cc967fb375e9f095ea72fd3bfa75e0c6299a9f10c81ee24ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5af11ffdd1a5cc967fb375e9f095ea72fd3bfa75e0c6299a9f10c81ee24ce9", kill_on_drop: false }`
[INFO] [stdout] 5a5af11ffdd1a5cc967fb375e9f095ea72fd3bfa75e0c6299a9f10c81ee24ce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cef4f9aa9fb5cf3f3c0091b8b3f7ed0e5c22b2c45c648a17546b076a30661df2
[INFO] running `Command { std: "docker" "start" "-a" "cef4f9aa9fb5cf3f3c0091b8b3f7ed0e5c22b2c45c648a17546b076a30661df2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking parking_lot_core v0.9.4
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.13
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling tokio v1.22.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]    Compiling async-trait v0.1.58
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling serde_json v1.0.88
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cef4f9aa9fb5cf3f3c0091b8b3f7ed0e5c22b2c45c648a17546b076a30661df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef4f9aa9fb5cf3f3c0091b8b3f7ed0e5c22b2c45c648a17546b076a30661df2", kill_on_drop: false }`
[INFO] [stdout] cef4f9aa9fb5cf3f3c0091b8b3f7ed0e5c22b2c45c648a17546b076a30661df2