[INFO] fetching crate algebraeon-rings 0.0.17...
[INFO] checking algebraeon-rings-0.0.17 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate algebraeon-rings 0.0.17 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate algebraeon-rings 0.0.17
[INFO] finished tweaking crates.io crate algebraeon-rings 0.0.17
[INFO] tweaked toml for crates.io crate algebraeon-rings 0.0.17 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate algebraeon-rings 0.0.17 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate algebraeon-rings 0.0.17 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6abbb056d7518253f2413917cd33eaeee177bedf1f31b66486d9d5949d868656
[INFO] running `Command { std: "docker" "start" "-a" "6abbb056d7518253f2413917cd33eaeee177bedf1f31b66486d9d5949d868656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6abbb056d7518253f2413917cd33eaeee177bedf1f31b66486d9d5949d868656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abbb056d7518253f2413917cd33eaeee177bedf1f31b66486d9d5949d868656", kill_on_drop: false }`
[INFO] [stdout] 6abbb056d7518253f2413917cd33eaeee177bedf1f31b66486d9d5949d868656
[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=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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be7d6e77f515f873d0de7ee9063558658fe1d1fdd6887d043a065f2324f2fe21
[INFO] running `Command { std: "docker" "start" "-a" "be7d6e77f515f873d0de7ee9063558658fe1d1fdd6887d043a065f2324f2fe21", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling malachite-nz v0.9.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking ryu v1.0.22
[INFO] [stderr]     Checking safe_arch v0.9.3
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]     Checking wide v0.8.3
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling term v1.2.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling petgraph v0.8.3
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling syn v2.0.112
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking impls v1.0.3
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking getrandom v0.4.1
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]     Checking malachite-base v0.9.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling string_cache v0.9.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling lalrpop-util v0.23.0
[INFO] [stderr]    Compiling lalrpop v0.23.0
[INFO] [stderr]    Compiling algebraeon-macros v0.0.17
[INFO] [stderr]     Checking algebraeon-sets v0.0.17
[INFO] [stderr]    Compiling algebraeon-rings v0.0.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking malachite-q v0.9.0
[INFO] [stderr]     Checking algebraeon-nzq v0.0.17
[INFO] [stderr]     Checking algebraeon-groups v0.0.17
[INFO] [stdout] error: struct `RationalSimpleContinuedFraction` is never constructed
[INFO] [stdout]   --> src/continued_fraction/mod.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct RationalSimpleContinuedFraction {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algebraeon-rings` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `RationalSimpleContinuedFraction` is never constructed
[INFO] [stdout]   --> src/continued_fraction/mod.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct RationalSimpleContinuedFraction {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algebraeon-rings` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "be7d6e77f515f873d0de7ee9063558658fe1d1fdd6887d043a065f2324f2fe21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7d6e77f515f873d0de7ee9063558658fe1d1fdd6887d043a065f2324f2fe21", kill_on_drop: false }`
[INFO] [stdout] be7d6e77f515f873d0de7ee9063558658fe1d1fdd6887d043a065f2324f2fe21