[INFO] fetching crate ex3-canister-types 0.17.32...
[INFO] testing ex3-canister-types-0.17.32 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ex3-canister-types 0.17.32 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ex3-canister-types 0.17.32
[INFO] finished tweaking crates.io crate ex3-canister-types 0.17.32
[INFO] tweaked toml for crates.io crate ex3-canister-types 0.17.32 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ex3-canister-types 0.17.32 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 108 packages to latest compatible versions
[INFO] [stderr]       Adding ic-stable-structures v0.6.9 (available: v0.7.2)
[INFO] [stderr]       Adding rstest v0.18.2 (available: v0.26.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3db7043d6a346389d2a7724192ef3e3bacdffbfb5ff12b60a52b9520fae30a5f
[INFO] running `Command { std: "docker" "start" "-a" "3db7043d6a346389d2a7724192ef3e3bacdffbfb5ff12b60a52b9520fae30a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3db7043d6a346389d2a7724192ef3e3bacdffbfb5ff12b60a52b9520fae30a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db7043d6a346389d2a7724192ef3e3bacdffbfb5ff12b60a52b9520fae30a5f", kill_on_drop: false }`
[INFO] [stdout] 3db7043d6a346389d2a7724192ef3e3bacdffbfb5ff12b60a52b9520fae30a5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75184877e0e3382e69052e13b9416b5148fd5155ebc4787ed67cdc8b97af9f66
[INFO] running `Command { std: "docker" "start" "-a" "75184877e0e3382e69052e13b9416b5148fd5155ebc4787ed67cdc8b97af9f66", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling ex3-payload-derive v0.15.0
[INFO] [stderr]    Compiling pretty v0.12.5
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]    Compiling bs58 v0.5.1
[INFO] [stderr]    Compiling rs_merkle v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling candid_derive v0.10.19
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling ex3-node-error v0.14.1
[INFO] [stderr]    Compiling ex3-crypto v0.15.21
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ic_principal v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling ic-stable-structures v0.6.9
[INFO] [stderr]    Compiling ex3-serde v0.15.0
[INFO] [stderr]    Compiling candid v0.10.19
[INFO] [stderr]    Compiling ex3-timestamp v0.15.5
[INFO] [stderr]    Compiling ex3-common-error-info v0.15.2
[INFO] [stderr]    Compiling ex3-canister-error v0.17.9
[INFO] [stderr]    Compiling ex3-node-types v0.15.166
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ex3-node-types-0.15.166/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(step_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ex3-node-types-0.15.166/src/number/mod.rs:162:51
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^ expected `(usize, std::option::Option<usize>)`, found `std::option::Option<usize>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&Ex3Uint, &Ex3Uint) -> (usize, std::option::Option<usize>)`
[INFO] [stdout]                found signature `fn(&Ex3Uint, &Ex3Uint) -> std::option::Option<usize>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]     |
[INFO] [stdout] 162 -     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 162 +     fn steps_between(start: &Self, end: &Self) -> (usize, std::option::Option<usize>) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ex3-node-types` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "75184877e0e3382e69052e13b9416b5148fd5155ebc4787ed67cdc8b97af9f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75184877e0e3382e69052e13b9416b5148fd5155ebc4787ed67cdc8b97af9f66", kill_on_drop: false }`
[INFO] [stdout] 75184877e0e3382e69052e13b9416b5148fd5155ebc4787ed67cdc8b97af9f66
