[INFO] fetching crate rune-testing 0.6.15...
[INFO] testing rune-testing-0.6.15 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rune-testing 0.6.15 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rune-testing 0.6.15
[INFO] finished tweaking crates.io crate rune-testing 0.6.15
[INFO] tweaked toml for crates.io crate rune-testing 0.6.15 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rune-testing 0.6.15 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rune-testing 0.6.15 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-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76c2e4e927571be26813c90925b5597ed44d91a72a8e9d3fad258902f984eda8
[INFO] running `Command { std: "docker" "start" "-a" "76c2e4e927571be26813c90925b5597ed44d91a72a8e9d3fad258902f984eda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76c2e4e927571be26813c90925b5597ed44d91a72a8e9d3fad258902f984eda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c2e4e927571be26813c90925b5597ed44d91a72a8e9d3fad258902f984eda8", kill_on_drop: false }`
[INFO] [stdout] 76c2e4e927571be26813c90925b5597ed44d91a72a8e9d3fad258902f984eda8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a8c5854194b3f79d535f83ac4eb710e000effc51117b461f78103194a396b5d
[INFO] running `Command { std: "docker" "start" "-a" "8a8c5854194b3f79d535f83ac4eb710e000effc51117b461f78103194a396b5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling codespan-reporting v0.9.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.3.0/src/biguint.rs:198:19
[INFO] [stdout]     |
[INFO] [stdout] 198 |         .div_ceil(&big_digit::BITS.into())
[INFO] [stdout]     |          -------- ^^^^^^^^^^^^^^^^^^^^^^^ expected `u64`, found `&_`
[INFO] [stdout]     |          |
[INFO] [stdout]     |          arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected type `u64`
[INFO] [stdout]             found reference `&_`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/num/uint_macros.rs:3711:21
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/num/mod.rs:1270:4
[INFO] [stdout]    ::: /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/num/mod.rs:1294:5
[INFO] [stdout]     |
[INFO] [stdout]     = note: in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `uint_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 198 -         .div_ceil(&big_digit::BITS.into())
[INFO] [stdout] 198 +         .div_ceil(big_digit::BITS.into())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.3.0/src/biguint.rs:1700:50
[INFO] [stdout]      |
[INFO] [stdout] 1700 |             let root_scale = extra_bits.div_ceil(&n64);
[INFO] [stdout]      |                                         -------- ^^^^ expected `u64`, found `&u64`
[INFO] [stdout]      |                                         |
[INFO] [stdout]      |                                         arguments to this method are incorrect
[INFO] [stdout]      |
[INFO] [stdout] note: method defined here
[INFO] [stdout]     --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/num/uint_macros.rs:3711:21
[INFO] [stdout]     --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/num/mod.rs:1270:4
[INFO] [stdout]     ::: /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/num/mod.rs:1294:5
[INFO] [stdout]      |
[INFO] [stdout]      = note: in this macro invocation
[INFO] [stdout]      = note: this error originates in the macro `uint_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]      |
[INFO] [stdout] 1700 -             let root_scale = extra_bits.div_ceil(&n64);
[INFO] [stdout] 1700 +             let root_scale = extra_bits.div_ceil(n64);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.3.0/src/biguint.rs:2119:19
[INFO] [stdout]      |
[INFO] [stdout] 2119 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]      |          -------- ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64`
[INFO] [stdout]      |          |
[INFO] [stdout]      |          arguments to this method are incorrect
[INFO] [stdout]      |
[INFO] [stdout] note: method defined here
[INFO] [stdout]     --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/num/uint_macros.rs:3711:21
[INFO] [stdout]     --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/num/mod.rs:1270:4
[INFO] [stdout]     ::: /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/num/mod.rs:1294:5
[INFO] [stdout]      |
[INFO] [stdout]      = note: in this macro invocation
[INFO] [stdout]      = note: this error originates in the macro `uint_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]      |
[INFO] [stdout] 2119 -         .div_ceil(&u64::from(bits))
[INFO] [stdout] 2119 +         .div_ceil(u64::from(bits))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.3.0/src/biguint.rs:2147:19
[INFO] [stdout]      |
[INFO] [stdout] 2147 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]      |          -------- ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64`
[INFO] [stdout]      |          |
[INFO] [stdout]      |          arguments to this method are incorrect
[INFO] [stdout]      |
[INFO] [stdout] note: method defined here
[INFO] [stdout]     --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/num/uint_macros.rs:3711:21
[INFO] [stdout]     --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/num/mod.rs:1270:4
[INFO] [stdout]     ::: /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/num/mod.rs:1294:5
[INFO] [stdout]      |
[INFO] [stdout]      = note: in this macro invocation
[INFO] [stdout]      = note: this error originates in the macro `uint_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]      |
[INFO] [stdout] 2147 -         .div_ceil(&u64::from(bits))
[INFO] [stdout] 2147 +         .div_ceil(u64::from(bits))
[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 `num-bigint` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8a8c5854194b3f79d535f83ac4eb710e000effc51117b461f78103194a396b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8c5854194b3f79d535f83ac4eb710e000effc51117b461f78103194a396b5d", kill_on_drop: false }`
[INFO] [stdout] 8a8c5854194b3f79d535f83ac4eb710e000effc51117b461f78103194a396b5d
