[INFO] fetching crate memchain 0.4.1...
[INFO] testing memchain-0.4.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate memchain 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate memchain 0.4.1
[INFO] finished tweaking crates.io crate memchain 0.4.1
[INFO] tweaked toml for crates.io crate memchain 0.4.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate memchain 0.4.1 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] 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 28 packages to latest compatible versions
[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] warning: `crate_type` is deprecated in favor of `crate-type` and will not work in the 2024 edition
[INFO] [stderr] (in the `memchain` library target)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oasis-borsh-derive v0.2.10
[INFO] [stderr]   Downloaded blockchain-traits v0.4.1
[INFO] [stderr]   Downloaded oasis-borsh-derive-internal v0.2.14
[INFO] [stderr]   Downloaded oasis-types v0.4.0
[INFO] [stderr]   Downloaded oasis-borsh v0.2.12
[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] 70285f4ff66c27be0a927bdb1b7273442ea9cd093b9a75f5344c759f46cf73a6
[INFO] running `Command { std: "docker" "start" "-a" "70285f4ff66c27be0a927bdb1b7273442ea9cd093b9a75f5344c759f46cf73a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70285f4ff66c27be0a927bdb1b7273442ea9cd093b9a75f5344c759f46cf73a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70285f4ff66c27be0a927bdb1b7273442ea9cd093b9a75f5344c759f46cf73a6", kill_on_drop: false }`
[INFO] [stdout] 70285f4ff66c27be0a927bdb1b7273442ea9cd093b9a75f5344c759f46cf73a6
[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] d9390c2d135b465281e986bdacdadf798b08951c8ef1615ca931510ca0d71a27
[INFO] running `Command { std: "docker" "start" "-a" "d9390c2d135b465281e986bdacdadf798b08951c8ef1615ca931510ca0d71a27", kill_on_drop: false }`
[INFO] [stderr] warning: `crate_type` is deprecated in favor of `crate-type` and will not work in the 2024 edition
[INFO] [stderr] (in the `memchain` library target)
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling oasis-borsh-derive-internal v0.2.14
[INFO] [stderr]    Compiling oasis-borsh-derive v0.2.10
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling oasis-borsh v0.2.12
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling oasis-types v0.4.0
[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-1949cf8c6b5b557f/oasis-types-0.4.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(non_exhaustive)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `non_exhaustive` has been stable since `1.40.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oasis-types` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d9390c2d135b465281e986bdacdadf798b08951c8ef1615ca931510ca0d71a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9390c2d135b465281e986bdacdadf798b08951c8ef1615ca931510ca0d71a27", kill_on_drop: false }`
[INFO] [stdout] d9390c2d135b465281e986bdacdadf798b08951c8ef1615ca931510ca0d71a27