[INFO] fetching crate ex3-core-registry-public-types 0.17.25...
[INFO] documenting ex3-core-registry-public-types-0.17.25 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate ex3-core-registry-public-types 0.17.25 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ex3-core-registry-public-types 0.17.25 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 ex3-core-registry-public-types 0.17.25
[INFO] finished tweaking crates.io crate ex3-core-registry-public-types 0.17.25
[INFO] tweaked toml for crates.io crate ex3-core-registry-public-types 0.17.25 written to /workspace/builds/worker-6-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 04c8502322fda84ae9cceff7563aac6e10061583f705c33375d63d55509cac09
[INFO] running `Command { std: "docker" "start" "-a" "04c8502322fda84ae9cceff7563aac6e10061583f705c33375d63d55509cac09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04c8502322fda84ae9cceff7563aac6e10061583f705c33375d63d55509cac09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c8502322fda84ae9cceff7563aac6e10061583f705c33375d63d55509cac09", kill_on_drop: false }`
[INFO] [stdout] 04c8502322fda84ae9cceff7563aac6e10061583f705c33375d63d55509cac09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0e0f508bfd5881e9009f5b7adf422258a4a559d66e144a0c8a4396bc42d44365
[INFO] running `Command { std: "docker" "start" "-a" "0e0f508bfd5881e9009f5b7adf422258a4a559d66e144a0c8a4396bc42d44365", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling candid v0.9.11
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking ic_principal v0.1.1
[INFO] [stderr]     Checking ic-stable-structures v0.6.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking pretty v0.12.3
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bs58 v0.5.0
[INFO] [stderr]     Checking rs_merkle v1.4.1
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling ex3-payload-derive v0.15.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling num_enum_derive v0.6.1
[INFO] [stderr]    Compiling candid_derive v0.6.4
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking binread v2.2.0
[INFO] [stderr]     Checking num_enum v0.6.1
[INFO] [stderr]     Checking ex3-node-error v0.14.1
[INFO] [stderr]     Checking ex3-crypto v0.15.18
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking ex3-serde v0.15.0
[INFO] [stderr]     Checking ex3-common-error-info v0.15.1
[INFO] [stderr]     Checking ex3-timestamp v0.15.2
[INFO] [stderr]     Checking ex3-canister-error v0.17.0
[INFO] [stderr]     Checking ex3-node-types v0.15.104
[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/ex3-node-types-0.15.104/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(step_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^
[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 `ex3-node-types` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0e0f508bfd5881e9009f5b7adf422258a4a559d66e144a0c8a4396bc42d44365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0f508bfd5881e9009f5b7adf422258a4a559d66e144a0c8a4396bc42d44365", kill_on_drop: false }`
[INFO] [stdout] 0e0f508bfd5881e9009f5b7adf422258a4a559d66e144a0c8a4396bc42d44365
