[INFO] fetching crate hdf5-hl 0.2.1...
[INFO] testing hdf5-hl-0.2.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate hdf5-hl 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate hdf5-hl 0.2.1
[INFO] finished tweaking crates.io crate hdf5-hl 0.2.1
[INFO] tweaked toml for crates.io crate hdf5-hl 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hdf5-hl 0.2.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hdf5-hl 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hdf5-dst-derive v0.1.1
[INFO] [stderr]   Downloaded dst-container-derive v0.1.1
[INFO] [stderr]   Downloaded hdf5-dst v0.2.1
[INFO] [stderr]   Downloaded hdf5-metno-types v0.10.0
[INFO] [stderr]   Downloaded hdf5-metno-sys v0.10.0
[INFO] [stderr]   Downloaded generic-tests v0.1.3
[INFO] [stderr]   Downloaded dst-container v0.1.2
[INFO] [stderr]   Downloaded hdf5-hl-sys v0.2.1
[INFO] [stderr]   Downloaded hdf5-metno-derive v0.9.2
[INFO] [stderr]   Downloaded hdf5-metno v0.9.3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 678bb14ab8b3bb57d8fae087cba444748ff6679a1adc7642bc0e4b301235316c
[INFO] running `Command { std: "docker" "start" "-a" "678bb14ab8b3bb57d8fae087cba444748ff6679a1adc7642bc0e4b301235316c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "678bb14ab8b3bb57d8fae087cba444748ff6679a1adc7642bc0e4b301235316c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678bb14ab8b3bb57d8fae087cba444748ff6679a1adc7642bc0e4b301235316c", kill_on_drop: false }`
[INFO] [stdout] 678bb14ab8b3bb57d8fae087cba444748ff6679a1adc7642bc0e4b301235316c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89fc5eaf99da76c502279aee148aab4c4f22a5b9f687edf906ce852767768cd5
[INFO] running `Command { std: "docker" "start" "-a" "89fc5eaf99da76c502279aee148aab4c4f22a5b9f687edf906ce852767768cd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling hdf5-metno-types v0.10.0
[INFO] [stderr]    Compiling ascii v1.1.0
[INFO] [stderr]    Compiling hdf5-metno v0.9.3
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling hdf5-metno-sys v0.10.0
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling hdf5-hl-sys v0.2.1
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[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-1949cf8c6b5b557f/hdf5-hl-sys-0.2.1/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(c_size_t)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hdf5-hl-sys` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "89fc5eaf99da76c502279aee148aab4c4f22a5b9f687edf906ce852767768cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89fc5eaf99da76c502279aee148aab4c4f22a5b9f687edf906ce852767768cd5", kill_on_drop: false }`
[INFO] [stdout] 89fc5eaf99da76c502279aee148aab4c4f22a5b9f687edf906ce852767768cd5