[INFO] fetching crate comp_state_seed_extras 0.0.10...
[INFO] documenting comp_state_seed_extras-0.0.10 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate comp_state_seed_extras 0.0.10 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate comp_state_seed_extras 0.0.10 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 comp_state_seed_extras 0.0.10
[INFO] finished tweaking crates.io crate comp_state_seed_extras 0.0.10
[INFO] tweaked toml for crates.io crate comp_state_seed_extras 0.0.10 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded slotmap v0.4.3
[INFO] [stderr]   Downloaded syn-mid v0.5.4
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.12
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]   Downloaded owning_ref v0.4.1
[INFO] [stderr]   Downloaded enclose v1.1.8
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.2.50
[INFO] [stderr]   Downloaded proc-macro-error v0.4.12
[INFO] [stderr]   Downloaded anymap v0.12.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.27
[INFO] [stderr]   Downloaded dbg v1.0.4
[INFO] [stderr]   Downloaded comp_state v0.2.8
[INFO] [stderr]   Downloaded topo v0.9.4
[INFO] [stderr]   Downloaded topo-macro v0.9.0
[INFO] [stderr]   Downloaded illicit-macro v0.9.0
[INFO] [stderr]   Downloaded illicit v0.9.2
[INFO] [stderr]   Downloaded pulldown-cmark v0.6.1
[INFO] [stderr]   Downloaded seed v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f4803361bf93ddd26c782446a4bb91d222e749be010becb1eb421becd123a6ef
[INFO] running `Command { std: "docker" "start" "-a" "f4803361bf93ddd26c782446a4bb91d222e749be010becb1eb421becd123a6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4803361bf93ddd26c782446a4bb91d222e749be010becb1eb421becd123a6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4803361bf93ddd26c782446a4bb91d222e749be010becb1eb421becd123a6ef", kill_on_drop: false }`
[INFO] [stdout] f4803361bf93ddd26c782446a4bb91d222e749be010becb1eb421becd123a6ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7643cd284572b53f63f60eaf26c439ad25713dda5b9aeb5c31b8be4a9c352f97
[INFO] running `Command { std: "docker" "start" "-a" "7643cd284572b53f63f60eaf26c439ad25713dda5b9aeb5c31b8be4a9c352f97", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling wasm-bindgen v0.2.89
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling pulldown-cmark v0.6.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling seed v0.6.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking slotmap v0.4.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking enclose v1.1.8
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling dbg v1.0.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]    Compiling syn-mid v0.5.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.89
[INFO] [stderr]    Compiling topo-macro v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.89
[INFO] [stderr]    Compiling illicit-macro v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.89
[INFO] [stderr]     Checking illicit v0.9.2
[INFO] [stderr]     Checking topo v0.9.4
[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/topo-0.9.4/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(track_caller)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `track_caller` has been stable since `1.46.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `topo` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7643cd284572b53f63f60eaf26c439ad25713dda5b9aeb5c31b8be4a9c352f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7643cd284572b53f63f60eaf26c439ad25713dda5b9aeb5c31b8be4a9c352f97", kill_on_drop: false }`
[INFO] [stdout] 7643cd284572b53f63f60eaf26c439ad25713dda5b9aeb5c31b8be4a9c352f97
