[INFO] fetching crate synta-mtc 0.1.8...
[INFO] testing synta-mtc-0.1.8 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate synta-mtc 0.1.8 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate synta-mtc 0.1.8
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate synta-mtc 0.1.8
[INFO] tweaked toml for crates.io crate synta-mtc 0.1.8 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate synta-mtc 0.1.8 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 synta-mtc 0.1.8 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 31d76b6dd8c98db9bd63504790c4ef83949c2dc1a61b8001c9f8dcea64896d70
[INFO] running `Command { std: "docker" "start" "-a" "31d76b6dd8c98db9bd63504790c4ef83949c2dc1a61b8001c9f8dcea64896d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31d76b6dd8c98db9bd63504790c4ef83949c2dc1a61b8001c9f8dcea64896d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d76b6dd8c98db9bd63504790c4ef83949c2dc1a61b8001c9f8dcea64896d70", kill_on_drop: false }`
[INFO] [stdout] 31d76b6dd8c98db9bd63504790c4ef83949c2dc1a61b8001c9f8dcea64896d70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 84645dd5675e01b15053f0e249ab5ddb7249e4ceda6da8c07b61ac0b6a4d34db
[INFO] running `Command { std: "docker" "start" "-a" "84645dd5675e01b15053f0e249ab5ddb7249e4ceda6da8c07b61ac0b6a4d34db", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling bindgen v0.71.1
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling rustc-hash v2.1.2
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling synta-codegen v0.1.8
[INFO] [stderr]    Compiling synta v0.1.8
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling native-ossl v0.1.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling synta-certificate v0.1.8
[INFO] [stderr]    Compiling synta-mtc v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling synta-derive v0.1.8
[INFO] [stderr]    Compiling native-ossl-sys v0.1.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "84645dd5675e01b15053f0e249ab5ddb7249e4ceda6da8c07b61ac0b6a4d34db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84645dd5675e01b15053f0e249ab5ddb7249e4ceda6da8c07b61ac0b6a4d34db", kill_on_drop: false }`
[INFO] [stdout] 84645dd5675e01b15053f0e249ab5ddb7249e4ceda6da8c07b61ac0b6a4d34db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a15d8db023486282f60410d519d7d2914c72510708dfc9bb51df486d475848a
[INFO] running `Command { std: "docker" "start" "-a" "8a15d8db023486282f60410d519d7d2914c72510708dfc9bb51df486d475848a", kill_on_drop: false }`
[INFO] [stderr]    Compiling native-ossl-sys v0.1.1
[INFO] [stderr]    Compiling native-ossl v0.1.1
[INFO] [stderr]    Compiling synta-certificate v0.1.8
[INFO] [stderr]    Compiling synta-mtc v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `rand` in this scope
[INFO] [stdout]   --> tests/property_tests.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::distributions::{Distribution, Standard, Uniform};
[INFO] [stdout]    |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rand` in this scope
[INFO] [stdout]   --> tests/property_tests.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand::rngs::SmallRng;
[INFO] [stdout]    |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]   --> tests/property_tests.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::{Rng, RngCore, SeedableRng};
[INFO] [stdout]    |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rand` in this scope
[INFO] [stdout]    --> tests/property_tests.rs:425:43
[INFO] [stdout]     |
[INFO] [stdout] 425 |     let seed = seed_opt.unwrap_or_else(|| rand::rngs::OsRng.next_u64());
[INFO] [stdout]     |                                           ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synta-mtc` (test "property_tests") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8a15d8db023486282f60410d519d7d2914c72510708dfc9bb51df486d475848a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a15d8db023486282f60410d519d7d2914c72510708dfc9bb51df486d475848a", kill_on_drop: false }`
[INFO] [stdout] 8a15d8db023486282f60410d519d7d2914c72510708dfc9bb51df486d475848a
