[INFO] fetching crate pi_logger 0.2.1...
[INFO] testing pi_logger-0.2.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate pi_logger 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate pi_logger 0.2.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pi_logger 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pi_logger 0.2.1
[INFO] tweaked toml for crates.io crate pi_logger 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate pi_logger 0.2.1 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pi_slot_deque v0.2.1
[INFO] [stderr]   Downloaded dashmap v5.2.0
[INFO] [stderr]   Downloaded cookie_store v0.15.1
[INFO] [stderr]   Downloaded psl-types v2.0.10
[INFO] [stderr]   Downloaded pi_wheel v0.1.0
[INFO] [stderr]   Downloaded pi_wrr v0.1.1
[INFO] [stderr]   Downloaded pi_slot_wheel v0.2.0
[INFO] [stderr]   Downloaded pi_timer v0.1.0
[INFO] [stderr]   Downloaded async-trait v0.1.71
[INFO] [stderr]   Downloaded publicsuffix v2.1.1
[INFO] [stderr]   Downloaded pi_ext_heap v0.1.0
[INFO] [stderr]   Downloaded st3 v0.4.1
[INFO] [stderr]   Downloaded async-compression v0.3.12
[INFO] [stderr]   Downloaded axum v0.6.7
[INFO] [stderr]   Downloaded log4rs v1.0.0
[INFO] [stderr]   Downloaded cookie v0.15.1
[INFO] [stderr]   Downloaded twox-hash v1.6.2
[INFO] [stderr]   Downloaded pi_cancel_timer v0.2.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.5
[INFO] [stderr]   Downloaded pi_async_httpc v0.5.0
[INFO] [stderr]   Downloaded pi-async-rt v0.1.9
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eede669f091f3a6ec885c0e1bd7682f2fb7792e208b027bfc4d4db1b9b25a73c
[INFO] running `Command { std: "docker" "start" "-a" "eede669f091f3a6ec885c0e1bd7682f2fb7792e208b027bfc4d4db1b9b25a73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eede669f091f3a6ec885c0e1bd7682f2fb7792e208b027bfc4d4db1b9b25a73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eede669f091f3a6ec885c0e1bd7682f2fb7792e208b027bfc4d4db1b9b25a73c", kill_on_drop: false }`
[INFO] [stdout] eede669f091f3a6ec885c0e1bd7682f2fb7792e208b027bfc4d4db1b9b25a73c
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bac9eaf93af8f19b175cab76c18272556a3a9df88d2f6afef3f892063ab748c2
[INFO] running `Command { std: "docker" "start" "-a" "bac9eaf93af8f19b175cab76c18272556a3a9df88d2f6afef3f892063ab748c2", kill_on_drop: false }`
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[INFO] [stderr]    Compiling time-macros v0.1.1
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[INFO] [stderr]    Compiling axum v0.6.7
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
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[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling cookie v0.15.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling base64 v0.21.2
[INFO] [stderr]    Compiling http-range-header v0.3.0
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling rustls-pemfile v1.0.3
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[INFO] [stderr]    Compiling brotli-decompressor v2.3.4
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling psl-types v2.0.10
[INFO] [stderr]    Compiling matchit v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling tonic-build v0.8.4
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling opentelemetry_api v0.18.0
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling publicsuffix v2.1.1
[INFO] [stderr]    Compiling twox-hash v1.6.2
[INFO] [stderr]    Compiling brotli v3.3.4
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling pi_slot_deque v0.2.1
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling opentelemetry-proto v0.1.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling pi_ext_heap v0.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![feature(inplace_iteration)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:146:1
[INFO] [stdout]     |
[INFO] [stdout] 146 | #![feature(trusted_len)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | #![feature(exact_size_is_empty)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | #![feature(extend_one)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![feature(inplace_iteration)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 | #![feature(trusted_len)]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | #![feature(exact_size_is_empty)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | #![feature(extend_one)]
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pi_ext_heap` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bac9eaf93af8f19b175cab76c18272556a3a9df88d2f6afef3f892063ab748c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac9eaf93af8f19b175cab76c18272556a3a9df88d2f6afef3f892063ab748c2", kill_on_drop: false }`
[INFO] [stdout] bac9eaf93af8f19b175cab76c18272556a3a9df88d2f6afef3f892063ab748c2
