[INFO] fetching crate relp 0.2.6... [INFO] testing relp-0.2.6 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate relp 0.2.6 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate relp 0.2.6 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate relp 0.2.6 [INFO] tweaked toml for crates.io crate relp 0.2.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate relp 0.2.6 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate relp 0.2.6 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded enum-map-derive v0.17.0 [INFO] [stderr] Downloaded gcd v2.3.0 [INFO] [stderr] Downloaded fifo-set v1.0.0 [INFO] [stderr] Downloaded either v1.8.0 [INFO] [stderr] Downloaded cumsum v1.0.0 [INFO] [stderr] Downloaded enum-map v2.7.3 [INFO] [stderr] Downloaded unicode-ident v1.0.6 [INFO] [stderr] Downloaded index-utils v2.2.3 [INFO] [stderr] Downloaded cc v1.1.24 [INFO] [stderr] Downloaded relp-num v0.1.13 [INFO] [stderr] Downloaded syn v2.0.48 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 805a713f3deb20d2ca69e89a4abdc4817cc270d4342ff86ec2115d0a285a2b94 [INFO] running `Command { std: "docker" "start" "-a" "805a713f3deb20d2ca69e89a4abdc4817cc270d4342ff86ec2115d0a285a2b94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "805a713f3deb20d2ca69e89a4abdc4817cc270d4342ff86ec2115d0a285a2b94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "805a713f3deb20d2ca69e89a4abdc4817cc270d4342ff86ec2115d0a285a2b94", kill_on_drop: false }` [INFO] [stdout] 805a713f3deb20d2ca69e89a4abdc4817cc270d4342ff86ec2115d0a285a2b94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53a9e602b3da622e9a18f3f032b6b9c9df1ce64a2f65dcfea91f5b4d35355271 [INFO] running `Command { std: "docker" "start" "-a" "53a9e602b3da622e9a18f3f032b6b9c9df1ce64a2f65dcfea91f5b4d35355271", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling either v1.8.0 [INFO] [stderr] Compiling gcd v2.3.0 [INFO] [stderr] Compiling smallvec v1.13.1 [INFO] [stderr] Compiling fifo-set v1.0.0 [INFO] [stderr] Compiling cumsum v1.0.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling cc v1.1.24 [INFO] [stderr] Compiling itertools v0.13.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling relp-num v0.1.13 [INFO] [stderr] Compiling index-utils v2.2.3 [INFO] [stdout] error[E0635]: unknown feature `bigint_helper_methods` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/relp-num-0.1.13/src/lib.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | #![feature(bigint_helper_methods)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling enum-map-derive v0.17.0 [INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/relp-num-0.1.13/src/integer/big/ops/non_zero.rs:219:46 [INFO] [stdout] | [INFO] [stdout] 219 | let (low, mut previous_high) = values[0].widening_mul(rhs); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #152016 for more information [INFO] [stdout] = help: add `#![feature(widening_mul)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/relp-num-0.1.13/src/integer/big/ops/non_zero.rs:223:37 [INFO] [stdout] | [INFO] [stdout] 223 | let (low, high) = values[i].widening_mul(rhs); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #152016 for more information [INFO] [stdout] = help: add `#![feature(widening_mul)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/relp-num-0.1.13/src/integer/big/ops/div.rs:210:58 [INFO] [stdout] | [INFO] [stdout] 210 | let (quotient_low, quotient_high) = divisor_inverted.widening_mul(high); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #152016 for more information [INFO] [stdout] = help: add `#![feature(widening_mul)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/relp-num-0.1.13/src/integer/big/ops/div.rs:458:42 [INFO] [stdout] | [INFO] [stdout] 458 | let (_result_low, result_high) = low.widening_mul(inverse); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #152016 for more information [INFO] [stdout] = help: add `#![feature(widening_mul)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/relp-num-0.1.13/src/integer/big/ops/div.rs:477:56 [INFO] [stdout] | [INFO] [stdout] 477 | let (quotient_low, quotient_high) = numerator_high.widening_mul(divisor_inverse); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #152016 for more information [INFO] [stdout] = help: add `#![feature(widening_mul)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `widening_mul` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/relp-num-0.1.13/src/integer/big/ops/div.rs:482:49 [INFO] [stdout] | [INFO] [stdout] 482 | let (result_low, result_high) = divisor_low.widening_mul(quotient_high); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #152016 for more information [INFO] [stdout] = help: add `#![feature(widening_mul)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling enum-map v2.7.3 [INFO] [stdout] Some errors have detailed explanations: E0635, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `relp-num` (lib) due to 7 previous errors [INFO] running `Command { std: "docker" "inspect" "53a9e602b3da622e9a18f3f032b6b9c9df1ce64a2f65dcfea91f5b4d35355271", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53a9e602b3da622e9a18f3f032b6b9c9df1ce64a2f65dcfea91f5b4d35355271", kill_on_drop: false }` [INFO] [stdout] 53a9e602b3da622e9a18f3f032b6b9c9df1ce64a2f65dcfea91f5b4d35355271