[INFO] fetching crate hemlock_lib 0.1.0...
[INFO] testing hemlock_lib-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate hemlock_lib 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate hemlock_lib 0.1.0
[INFO] finished tweaking crates.io crate hemlock_lib 0.1.0
[INFO] tweaked toml for crates.io crate hemlock_lib 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hemlock_lib 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 283 packages to latest compatible versions
[INFO] [stderr]       Adding crc-fast v1.3.0 (available: v1.5.0)
[INFO] [stderr]       Adding libloading v0.8.8 (available: v0.8.9)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded algebra_kit v0.1.15
[INFO] [stderr]   Downloaded matrix_kit v0.1.9
[INFO] [stderr]   Downloaded sylvan_number v0.1.5
[INFO] [stderr]   Downloaded aws-types v1.3.8
[INFO] [stderr]   Downloaded aws-smithy-runtime-api v1.9.0
[INFO] [stderr]   Downloaded aws-smithy-checksums v0.63.8
[INFO] [stderr]   Downloaded aws-smithy-json v0.61.5
[INFO] [stderr]   Downloaded aws-smithy-xml v0.60.10
[INFO] [stderr]   Downloaded aws-smithy-observability v0.1.3
[INFO] [stderr]   Downloaded crc-fast v1.3.0
[INFO] [stderr]   Downloaded aws-sdk-sso v1.84.0
[INFO] [stderr]   Downloaded security-framework v3.5.1
[INFO] [stderr]   Downloaded aws-sdk-ssooidc v1.86.0
[INFO] [stderr]   Downloaded pqc_kyber v0.7.1
[INFO] [stderr]   Downloaded aws-config v1.8.6
[INFO] [stderr]   Downloaded aws-smithy-runtime v1.9.2
[INFO] [stderr]   Downloaded aws-sdk-sts v1.86.0
[INFO] [stderr]   Downloaded aws-runtime v1.5.10
[INFO] [stderr]   Downloaded aws-sigv4 v1.3.4
[INFO] [stderr]   Downloaded aws-smithy-http-client v1.1.1
[INFO] [stderr]   Downloaded p256 v0.11.1
[INFO] [stderr]   Downloaded aws-smithy-types v1.3.2
[INFO] [stderr]   Downloaded aws-smithy-http v0.62.3
[INFO] [stderr]   Downloaded aws-credential-types v1.2.6
[INFO] [stderr]   Downloaded aws-smithy-eventstream v0.60.11
[INFO] [stderr]   Downloaded aws-sdk-dynamodb v1.93.0
[INFO] [stderr]   Downloaded rusty_crypto v0.1.24
[INFO] [stderr]   Downloaded aws-sdk-s3 v1.106.0
[INFO] [stderr]   Downloaded aws-lc-sys v0.32.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1841d22dca523f22b925dafff1d606f758caa0539689473b0c0160ea32497a0f
[INFO] running `Command { std: "docker" "start" "-a" "1841d22dca523f22b925dafff1d606f758caa0539689473b0c0160ea32497a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1841d22dca523f22b925dafff1d606f758caa0539689473b0c0160ea32497a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1841d22dca523f22b925dafff1d606f758caa0539689473b0c0160ea32497a0f", kill_on_drop: false }`
[INFO] [stdout] 1841d22dca523f22b925dafff1d606f758caa0539689473b0c0160ea32497a0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c612129b1a7f9d45fa86f95792878eb65448289e3b2c2e03fae01706325b52f9
[INFO] running `Command { std: "docker" "start" "-a" "c612129b1a7f9d45fa86f95792878eb65448289e3b2c2e03fae01706325b52f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling aws-lc-rs v1.14.1
[INFO] [stderr]    Compiling der v0.6.1
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling base16ct v0.1.1
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling regex-lite v0.1.7
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling ff v0.12.1
[INFO] [stderr]    Compiling crypto-bigint v0.4.9
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling aws-types v1.3.8
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling group v0.12.1
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling spki v0.6.0
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling pkcs8 v0.9.0
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling sec1 v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rfc6979 v0.3.1
[INFO] [stderr]    Compiling elliptic-curve v0.12.3
[INFO] [stderr]    Compiling aws-smithy-xml v0.60.10
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling pqc_kyber v0.7.1
[INFO] [stderr]    Compiling ecdsa v0.14.8
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling aws-lc-sys v0.32.2
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling p256 v0.11.1
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling algebra_kit v0.1.15
[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/algebra_kit-0.1.15/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[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 `algebra_kit` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c612129b1a7f9d45fa86f95792878eb65448289e3b2c2e03fae01706325b52f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c612129b1a7f9d45fa86f95792878eb65448289e3b2c2e03fae01706325b52f9", kill_on_drop: false }`
[INFO] [stdout] c612129b1a7f9d45fa86f95792878eb65448289e3b2c2e03fae01706325b52f9