[INFO] fetching crate virolution 0.4.0...
[INFO] testing virolution-0.4.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate virolution 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate virolution 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate virolution 0.4.0
[INFO] tweaked toml for crates.io crate virolution 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate virolution 0.4.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate virolution 0.4.0 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded virolution-macros v0.1.0
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded cpufeatures v0.2.16
[INFO] [stderr]   Downloaded npyz-derive v0.7.0
[INFO] [stderr]   Downloaded simple-logging v2.0.2
[INFO] [stderr]   Downloaded clap_lex v0.7.3
[INFO] [stderr]   Downloaded block-id v0.2.1
[INFO] [stderr]   Downloaded cached_proc_macro v0.23.0
[INFO] [stderr]   Downloaded redox_syscall v0.5.7
[INFO] [stderr]   Downloaded py_literal v0.4.0
[INFO] [stderr]   Downloaded seq_io v0.3.2
[INFO] [stderr]   Downloaded pest_generator v2.7.14
[INFO] [stderr]   Downloaded pest_derive v2.7.14
[INFO] [stderr]   Downloaded pest_meta v2.7.14
[INFO] [stderr]   Downloaded clap_complete v4.5.38
[INFO] [stderr]   Downloaded sdd v3.0.4
[INFO] [stderr]   Downloaded buffer-redux v1.0.2
[INFO] [stderr]   Downloaded derive-where v1.2.7
[INFO] [stderr]   Downloaded anyhow v1.0.93
[INFO] [stderr]   Downloaded allocator-api2 v0.2.20
[INFO] [stderr]   Downloaded clap v4.5.21
[INFO] [stderr]   Downloaded serde_derive v1.0.215
[INFO] [stderr]   Downloaded npyz v0.8.3
[INFO] [stderr]   Downloaded evalexpr v12.0.1
[INFO] [stderr]   Downloaded serde v1.0.215
[INFO] [stderr]   Downloaded indexmap v2.6.0
[INFO] [stderr]   Downloaded cached v0.54.0
[INFO] [stderr]   Downloaded scc v2.2.5
[INFO] [stderr]   Downloaded pest v2.7.14
[INFO] [stderr]   Downloaded syn v2.0.89
[INFO] [stderr]   Downloaded clap_builder v4.5.21
[INFO] [stderr]   Downloaded portable-atomic v1.10.0
[INFO] [stderr]   Downloaded libc v0.2.167
[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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27d4dcc43f73aa76549db34e722d520d284bd2249b1110b0b7b1cc7a3459c7e2
[INFO] running `Command { std: "docker" "start" "-a" "27d4dcc43f73aa76549db34e722d520d284bd2249b1110b0b7b1cc7a3459c7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27d4dcc43f73aa76549db34e722d520d284bd2249b1110b0b7b1cc7a3459c7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d4dcc43f73aa76549db34e722d520d284bd2249b1110b0b7b1cc7a3459c7e2", kill_on_drop: false }`
[INFO] [stdout] 27d4dcc43f73aa76549db34e722d520d284bd2249b1110b0b7b1cc7a3459c7e2
[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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b59fd755bdb1ce571180950bfe81c3eb2c717df4d963c0c905ed65b6f69f8ff
[INFO] running `Command { std: "docker" "start" "-a" "6b59fd755bdb1ce571180950bfe81c3eb2c717df4d963c0c905ed65b6f69f8ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling clap_lex v0.7.3
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling allocator-api2 v0.2.20
[INFO] [stderr]    Compiling buffer-redux v1.0.2
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling clap_builder v4.5.21
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling evalexpr v12.0.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling simple-logging v2.0.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indicatif v0.17.9
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling npyz-derive v0.7.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling virolution-macros v0.1.0
[INFO] [stderr]    Compiling derive-where v1.2.7
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling pest v2.7.14
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling cached_proc_macro v0.23.0
[INFO] [stderr]    Compiling clap v4.5.21
[INFO] [stderr]    Compiling clap_complete v4.5.38
[INFO] [stderr]    Compiling virolution v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling block-id v0.2.1
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling pest_meta v2.7.14
[INFO] [stderr]    Compiling cached v0.54.0
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling pest_generator v2.7.14
[INFO] [stderr]    Compiling pest_derive v2.7.14
[INFO] [stderr]    Compiling py_literal v0.4.0
[INFO] [stderr]    Compiling npyz v0.8.3
[INFO] [stderr]    Compiling seq_io v0.3.2
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/core/haplotype.rs:372:16
[INFO] [stdout]     |
[INFO] [stdout] 372 |             && let Some(idx) = descendants_guard.iter().position(|x| !x.exists())
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/references/cell.rs:109:16
[INFO] [stdout]     |
[INFO] [stdout] 109 |             && let Some(mutant) = self.try_unwrap_mutant()
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/references/sync.rs:110:16
[INFO] [stdout]     |
[INFO] [stdout] 110 |             && let Some(mutant) = self.try_unwrap_mutant()
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/runner.rs:234:20
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 if let Some(path) = path
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/runner.rs:257:24
[INFO] [stdout]     |
[INFO] [stdout] 257 |                     if let Some(path) = path
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | #![feature(let_chains)]
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extract_if` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 132 | #![feature(extract_if)]
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `virolution` (lib) due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6b59fd755bdb1ce571180950bfe81c3eb2c717df4d963c0c905ed65b6f69f8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b59fd755bdb1ce571180950bfe81c3eb2c717df4d963c0c905ed65b6f69f8ff", kill_on_drop: false }`
[INFO] [stdout] 6b59fd755bdb1ce571180950bfe81c3eb2c717df4d963c0c905ed65b6f69f8ff
