[INFO] fetching crate rust_twostack 0.15.0... [INFO] testing rust_twostack-0.15.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate rust_twostack 0.15.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate rust_twostack 0.15.0 [INFO] finished tweaking crates.io crate rust_twostack 0.15.0 [INFO] tweaked toml for crates.io crate rust_twostack 0.15.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rust_twostack 0.15.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 135 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 046b07574539735dae952a8d1bb98d661a90d227500ac003e57586ff37a669b6 [INFO] running `Command { std: "docker" "start" "-a" "046b07574539735dae952a8d1bb98d661a90d227500ac003e57586ff37a669b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "046b07574539735dae952a8d1bb98d661a90d227500ac003e57586ff37a669b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "046b07574539735dae952a8d1bb98d661a90d227500ac003e57586ff37a669b6", kill_on_drop: false }` [INFO] [stdout] 046b07574539735dae952a8d1bb98d661a90d227500ac003e57586ff37a669b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 90c6330221544594a8bf4730f860da556ea694c876aa1be5924dda2a1c5584bc [INFO] running `Command { std: "docker" "start" "-a" "90c6330221544594a8bf4730f860da556ea694c876aa1be5924dda2a1c5584bc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling pathfinder_simd v0.5.5 [INFO] [stderr] Compiling freetype-sys v0.20.1 [INFO] [stderr] Compiling yeslogic-fontconfig-sys v6.0.0 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling libloading v0.8.9 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling dirs-sys v0.5.0 [INFO] [stderr] Compiling plotters-backend v0.3.7 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling font-kit v0.14.3 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling bytemuck v1.24.0 [INFO] [stderr] Compiling dlib v0.5.2 [INFO] [stderr] Compiling jpeg-decoder v0.3.2 [INFO] [stderr] Compiling weezl v0.1.10 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling regex-syntax v0.8.8 [INFO] [stderr] Compiling dirs v6.0.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling bitflags v2.10.0 [INFO] [stderr] Compiling float-ord v0.3.2 [INFO] [stderr] Compiling num-bigint v0.4.6 [INFO] [stderr] Compiling plotters-svg v0.3.7 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling ttf-parser v0.20.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling gif v0.12.0 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling flate2 v1.1.5 [INFO] [stderr] Compiling aho-corasick v1.1.4 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling pathfinder_geometry v0.5.1 [INFO] [stderr] Compiling unix-ts-macros v1.0.0 [INFO] [stderr] Compiling easy-error v1.0.0 [INFO] [stderr] Compiling dtoa v1.0.10 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling rayon v1.11.0 [INFO] [stderr] Compiling unix-ts v1.0.0 [INFO] [stderr] Compiling png v0.17.16 [INFO] [stderr] Compiling json_value_merge v2.0.1 [INFO] [stderr] Compiling nanoid v0.4.0 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling image v0.24.9 [INFO] [stderr] Compiling num v0.4.3 [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling plotters-bitmap v0.3.7 [INFO] [stderr] Compiling plotters v0.3.7 [INFO] [stderr] Compiling regex v1.12.2 [INFO] [stderr] Compiling rustils v0.1.23 [INFO] [stderr] Compiling neurons v2.6.2 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling bincode2 v2.0.1 [INFO] [stderr] Compiling rust_dynamic v0.48.0 [INFO] [stderr] Compiling rust_twostack v0.15.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/ts_value.rs:20:48 [INFO] [stdout] | [INFO] [stdout] 20 | ... return Err(err); [INFO] [stdout] | --- ^^^ expected `Box`, found `Error` [INFO] [stdout] | | [INFO] [stdout] | arguments to this enum variant are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Box` [INFO] [stdout] found struct `easy_error::Error` [INFO] [stdout] = note: for more on the distinction between the stack and the heap, read https://doc.rust-lang.org/book/ch15-01-box.html, https://doc.rust-lang.org/rust-by-example/std/box.html, and https://doc.rust-lang.org/std/boxed/index.html [INFO] [stdout] help: the type constructed contains `easy_error::Error` due to the type of the argument passed [INFO] [stdout] --> src/ts_value.rs:20:44 [INFO] [stdout] | [INFO] [stdout] 20 | ... return Err(err); [INFO] [stdout] | ^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | this argument influences the type of `Err` [INFO] [stdout] note: tuple variant defined here [INFO] [stdout] --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:566:5 [INFO] [stdout] help: store this in the heap by calling `Box::new` [INFO] [stdout] | [INFO] [stdout] 20 | return Err(Box::new(err)); [INFO] [stdout] | +++++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/ts_value.rs:43:40 [INFO] [stdout] | [INFO] [stdout] 43 | ... return Err(err); [INFO] [stdout] | --- ^^^ expected `Box`, found `Error` [INFO] [stdout] | | [INFO] [stdout] | arguments to this enum variant are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Box` [INFO] [stdout] found struct `easy_error::Error` [INFO] [stdout] = note: for more on the distinction between the stack and the heap, read https://doc.rust-lang.org/book/ch15-01-box.html, https://doc.rust-lang.org/rust-by-example/std/box.html, and https://doc.rust-lang.org/std/boxed/index.html [INFO] [stdout] help: the type constructed contains `easy_error::Error` due to the type of the argument passed [INFO] [stdout] --> src/ts_value.rs:43:36 [INFO] [stdout] | [INFO] [stdout] 43 | ... return Err(err); [INFO] [stdout] | ^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | this argument influences the type of `Err` [INFO] [stdout] note: tuple variant defined here [INFO] [stdout] --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:566:5 [INFO] [stdout] help: store this in the heap by calling `Box::new` [INFO] [stdout] | [INFO] [stdout] 43 | return Err(Box::new(err)); [INFO] [stdout] | +++++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_twostack` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "90c6330221544594a8bf4730f860da556ea694c876aa1be5924dda2a1c5584bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90c6330221544594a8bf4730f860da556ea694c876aa1be5924dda2a1c5584bc", kill_on_drop: false }` [INFO] [stdout] 90c6330221544594a8bf4730f860da556ea694c876aa1be5924dda2a1c5584bc