[INFO] fetching crate qcollect 0.4.1...
[INFO] documenting qcollect-0.4.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate qcollect 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate qcollect 0.4.1 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 qcollect 0.4.1
[INFO] finished tweaking crates.io crate qcollect 0.4.1
[INFO] tweaked toml for crates.io crate qcollect 0.4.1 written to /workspace/builds/worker-0-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 vec_map v0.3.0
[INFO] [stderr]   Downloaded qcollect-traits v0.4.1
[INFO] [stderr]   Downloaded qindex_multi v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4468644fe55866bb1f26d3850abb1370e8b1ce8703e4ea441bac674b26a392da
[INFO] running `Command { std: "docker" "start" "-a" "4468644fe55866bb1f26d3850abb1370e8b1ce8703e4ea441bac674b26a392da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4468644fe55866bb1f26d3850abb1370e8b1ce8703e4ea441bac674b26a392da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4468644fe55866bb1f26d3850abb1370e8b1ce8703e4ea441bac674b26a392da", kill_on_drop: false }`
[INFO] [stdout] 4468644fe55866bb1f26d3850abb1370e8b1ce8703e4ea441bac674b26a392da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 577aa3bcaca57b459cdd1b9dc602aa3cf4855ec8973759168ef69eb255fd99ae
[INFO] running `Command { std: "docker" "start" "-a" "577aa3bcaca57b459cdd1b9dc602aa3cf4855ec8973759168ef69eb255fd99ae", kill_on_drop: false }`
[INFO] [stderr]     Checking vec_map v0.3.0
[INFO] [stderr]     Checking qcollect-traits v0.4.1
[INFO] [stdout] error[E0432]: unresolved import `std::collections::hash_state`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/qcollect-traits-0.4.1/src/impls_libstd.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::hash_state::HashState;
[INFO] [stdout]   |                       ^^^^^^^^^^ could not find `hash_state` in `collections`
[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/qcollect-traits-0.4.1/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(associated_type_defaults)]
[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/qcollect-traits-0.4.1/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(hashmap_hasher)]
[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/qcollect-traits-0.4.1/src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(hashmap_hasher)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `hashmap_hasher`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/qcollect-traits-0.4.1/src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(hashmap_hasher)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qcollect-traits` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "577aa3bcaca57b459cdd1b9dc602aa3cf4855ec8973759168ef69eb255fd99ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577aa3bcaca57b459cdd1b9dc602aa3cf4855ec8973759168ef69eb255fd99ae", kill_on_drop: false }`
[INFO] [stdout] 577aa3bcaca57b459cdd1b9dc602aa3cf4855ec8973759168ef69eb255fd99ae
