[INFO] fetching crate modVM 0.3.0... [INFO] testing modVM-0.3.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate modVM 0.3.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate modVM 0.3.0 [INFO] finished tweaking crates.io crate modVM 0.3.0 [INFO] tweaked toml for crates.io crate modVM 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate modVM 0.3.0 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] 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fe4f8d38390a0eacc0a2355fa7989647282afd2110766bffbb525c24cadeec44 [INFO] running `Command { std: "docker" "start" "-a" "fe4f8d38390a0eacc0a2355fa7989647282afd2110766bffbb525c24cadeec44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe4f8d38390a0eacc0a2355fa7989647282afd2110766bffbb525c24cadeec44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe4f8d38390a0eacc0a2355fa7989647282afd2110766bffbb525c24cadeec44", kill_on_drop: false }` [INFO] [stdout] fe4f8d38390a0eacc0a2355fa7989647282afd2110766bffbb525c24cadeec44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 414e1382e9931164006abe82237be7a9b449463fd63db615554e637a86215112 [INFO] running `Command { std: "docker" "start" "-a" "414e1382e9931164006abe82237be7a9b449463fd63db615554e637a86215112", kill_on_drop: false }` [INFO] [stderr] Compiling modVM v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: crate `modVM` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `mod_vm` [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 60 | pub fn iter(&self) -> Iter<'_, O> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:64:21 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn try_iter(&self) -> TryIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn try_iter(&self) -> TryIter<'_, O> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/bin/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(duration_as_u128)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `duration_as_u128` has been stable since 1.33.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(duration_as_u128)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `modVM` (bin "main") due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "414e1382e9931164006abe82237be7a9b449463fd63db615554e637a86215112", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "414e1382e9931164006abe82237be7a9b449463fd63db615554e637a86215112", kill_on_drop: false }` [INFO] [stdout] 414e1382e9931164006abe82237be7a9b449463fd63db615554e637a86215112