[INFO] fetching crate rubbl_core 0.5.1...
[INFO] testing rubbl_core-0.5.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rubbl_core 0.5.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rubbl_core 0.5.1
[INFO] finished tweaking crates.io crate rubbl_core 0.5.1
[INFO] tweaked toml for crates.io crate rubbl_core 0.5.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rubbl_core 0.5.1 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] crate crates.io crate rubbl_core 0.5.1 already has a lockfile, it will not be regenerated
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a7d0fed2d637517ebe526bf44d03d80e8ab1baca1cc1a53a120f3ed9a21298a4
[INFO] running `Command { std: "docker" "start" "-a" "a7d0fed2d637517ebe526bf44d03d80e8ab1baca1cc1a53a120f3ed9a21298a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7d0fed2d637517ebe526bf44d03d80e8ab1baca1cc1a53a120f3ed9a21298a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d0fed2d637517ebe526bf44d03d80e8ab1baca1cc1a53a120f3ed9a21298a4", kill_on_drop: false }`
[INFO] [stdout] a7d0fed2d637517ebe526bf44d03d80e8ab1baca1cc1a53a120f3ed9a21298a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 865027eceb55c89120146895a4018acaa9407ea4c92be4f00b62b551f95d65c0
[INFO] running `Command { std: "docker" "start" "-a" "865027eceb55c89120146895a4018acaa9407ea4c92be4f00b62b551f95d65c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling rubbl_core v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.31s
[INFO] running `Command { std: "docker" "inspect" "865027eceb55c89120146895a4018acaa9407ea4c92be4f00b62b551f95d65c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "865027eceb55c89120146895a4018acaa9407ea4c92be4f00b62b551f95d65c0", kill_on_drop: false }`
[INFO] [stdout] 865027eceb55c89120146895a4018acaa9407ea4c92be4f00b62b551f95d65c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4c5b0db5516703f9cd3d2bc5ed3ccb1c7c2d75bb7ad0b9960b32963420a9211
[INFO] running `Command { std: "docker" "start" "-a" "b4c5b0db5516703f9cd3d2bc5ed3ccb1c7c2d75bb7ad0b9960b32963420a9211", kill_on_drop: false }`
[INFO] [stderr]    Compiling rubbl_core v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "b4c5b0db5516703f9cd3d2bc5ed3ccb1c7c2d75bb7ad0b9960b32963420a9211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c5b0db5516703f9cd3d2bc5ed3ccb1c7c2d75bb7ad0b9960b32963420a9211", kill_on_drop: false }`
[INFO] [stdout] b4c5b0db5516703f9cd3d2bc5ed3ccb1c7c2d75bb7ad0b9960b32963420a9211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3da71b918e7902d73ab1a946b5cfb28f5e33286fa090529efa9b0dc7471adacd
[INFO] running `Command { std: "docker" "start" "-a" "3da71b918e7902d73ab1a946b5cfb28f5e33286fa090529efa9b0dc7471adacd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rubbl_core-a21c94dbb0c5bf90)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rubbl_core
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - ctry (line 56) ... FAILED
[INFO] [stdout] test src/lib.rs - ctry (line 42) ... FAILED
[INFO] [stdout] test src/lib.rs - ctry (line 76) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - ctry (line 56) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `anyhow`
[INFO] [stdout]  --> src/lib.rs:57:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::*;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `anyhow`, use `cargo add anyhow` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `anyhow`
[INFO] [stdout]  --> src/lib.rs:62:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use anyhow::Context;
[INFO] [stdout]   |         ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `anyhow`, use `cargo add anyhow` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ctry (line 42) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `anyhow`
[INFO] [stdout]  --> src/lib.rs:45:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use anyhow::*;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `anyhow`, use `cargo add anyhow` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `anyhow`
[INFO] [stdout]   --> src/lib.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | ctry!(op; "spec: {}", value)
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `anyhow`, use `cargo add anyhow` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the macro `ctry` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ctry (line 76) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `anyhow`
[INFO] [stdout]  --> src/lib.rs:78:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use anyhow::Error;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `anyhow`, use `cargo add anyhow` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `anyhow`
[INFO] [stdout]   --> src/lib.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | let mut myfile = ctry!(File::open(path); "failed to open file `{}`", path);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `anyhow`, use `cargo add anyhow` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the macro `ctry` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `anyhow`
[INFO] [stdout]   --> src/lib.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | ctry!(write!(myfile, "hello"); "failed to write to file `{}`", path);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `anyhow`, use `cargo add anyhow` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the macro `ctry` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `with_context` found for enum `Result<T, E>` in the current scope
[INFO] [stdout]   --> src/lib.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | let mut myfile = ctry!(File::open(path); "failed to open file `{}`", path);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method not found in `Result<File, std::io::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `ctry` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - ctry (line 42)
[INFO] [stdout]     src/lib.rs - ctry (line 56)
[INFO] [stdout]     src/lib.rs - ctry (line 76)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3da71b918e7902d73ab1a946b5cfb28f5e33286fa090529efa9b0dc7471adacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da71b918e7902d73ab1a946b5cfb28f5e33286fa090529efa9b0dc7471adacd", kill_on_drop: false }`
[INFO] [stdout] 3da71b918e7902d73ab1a946b5cfb28f5e33286fa090529efa9b0dc7471adacd