[INFO] fetching crate class_group 0.6.1...
[INFO] testing class_group-0.6.1 against 1.73.0 for beta-1.74-1
[INFO] extracting crate class_group 0.6.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate class_group 0.6.1 on toolchain 1.73.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate class_group 0.6.1
[INFO] finished tweaking crates.io crate class_group 0.6.1
[INFO] tweaked toml for crates.io crate class_group 0.6.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ff_derive-zeroize v0.6.2
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded ff-zeroize v0.6.3
[INFO] [stderr]   Downloaded rust-gmp-kzen v0.5.1
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded criterion v0.5.1
[INFO] [stderr]   Downloaded curv-kzen v0.10.0
[INFO] [stderr]   Downloaded rug v1.22.0
[INFO] [stderr]   Downloaded cryptoxide v0.1.3
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.1
[INFO] [stderr]   Downloaded bindgen v0.50.1
[INFO] [stderr]   Downloaded pairing-plus v0.19.0
[INFO] [stderr]   Downloaded proptest v0.10.1
[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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e46a0da8a0567513cef4ed2299f470e5d515517d19c2c0df237857e50995a1ff
[INFO] running `Command { std: "docker" "start" "-a" "e46a0da8a0567513cef4ed2299f470e5d515517d19c2c0df237857e50995a1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e46a0da8a0567513cef4ed2299f470e5d515517d19c2c0df237857e50995a1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e46a0da8a0567513cef4ed2299f470e5d515517d19c2c0df237857e50995a1ff", kill_on_drop: false }`
[INFO] [stdout] e46a0da8a0567513cef4ed2299f470e5d515517d19c2c0df237857e50995a1ff
[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=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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e00656bb315dbedd866fa7bad4b4fbebaa12762f2678fb4669620c19e3e896d
[INFO] running `Command { std: "docker" "start" "-a" "7e00656bb315dbedd866fa7bad4b4fbebaa12762f2678fb4669620c19e3e896d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
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[INFO] [stderr]    Compiling autocfg v0.1.8
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[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling ff v0.12.1
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[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling rand v0.4.6
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[INFO] [stderr]    Compiling block-buffer v0.7.3
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[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
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[INFO] [stderr]    Compiling hmac v0.11.0
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[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling merkle-cbt v0.3.2
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[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]    Compiling cryptoxide v0.1.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling ff_derive-zeroize v0.6.2
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling regex v1.9.6
[INFO] [stderr]    Compiling der v0.6.1
[INFO] [stderr]    Compiling crypto-bigint v0.4.9
[INFO] [stderr]    Compiling ff-zeroize v0.6.3
[INFO] [stderr]    Compiling pairing-plus v0.19.0
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling rfc6979 v0.3.1
[INFO] [stderr]    Compiling spki v0.6.0
[INFO] [stderr]    Compiling pkcs8 v0.9.0
[INFO] [stderr]    Compiling sec1 v0.3.0
[INFO] [stderr]    Compiling elliptic-curve v0.12.3
[INFO] [stderr]    Compiling ecdsa v0.14.8
[INFO] [stderr]    Compiling p256 v0.11.1
[INFO] [stderr]    Compiling class_group v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling secp256k1 v0.20.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling rust-gmp-kzen v0.5.1
[INFO] [stderr]    Compiling serde_bytes v0.11.12
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling curv-kzen v0.10.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7e00656bb315dbedd866fa7bad4b4fbebaa12762f2678fb4669620c19e3e896d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e00656bb315dbedd866fa7bad4b4fbebaa12762f2678fb4669620c19e3e896d", kill_on_drop: false }`
[INFO] [stdout] 7e00656bb315dbedd866fa7bad4b4fbebaa12762f2678fb4669620c19e3e896d
[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=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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fb5b3ddfa62586f89f3ed3250885a961f8ca791fbfafab10992433f5f206dcb
[INFO] running `Command { std: "docker" "start" "-a" "5fb5b3ddfa62586f89f3ed3250885a961f8ca791fbfafab10992433f5f206dcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling rustix v0.38.18
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.1
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling ciborium-io v0.2.1
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling fastrand v2.0.1
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[INFO] [stderr]    Compiling cast v0.3.0
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[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling ciborium-ll v0.2.1
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[INFO] [stderr]    Compiling walkdir v2.4.0
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[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling ciborium v0.2.1
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling object v0.32.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex-automata v0.3.9
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[INFO] [stderr]    Compiling rusty-fork v0.3.0
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[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling regex v1.9.6
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[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling class_group v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5m 07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "5fb5b3ddfa62586f89f3ed3250885a961f8ca791fbfafab10992433f5f206dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb5b3ddfa62586f89f3ed3250885a961f8ca791fbfafab10992433f5f206dcb", kill_on_drop: false }`
[INFO] [stdout] 5fb5b3ddfa62586f89f3ed3250885a961f8ca791fbfafab10992433f5f206dcb
[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=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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8cd3e7ca2e19f7618fa40df1b46f33451ed882a084d82392f4ec302bc1f72f92
[INFO] running `Command { std: "docker" "start" "-a" "8cd3e7ca2e19f7618fa40df1b46f33451ed882a084d82392f4ec302bc1f72f92", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/class_group-be5103465ce46c6d)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stderr] realloc(): invalid next size
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/class_group-be5103465ce46c6d` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "8cd3e7ca2e19f7618fa40df1b46f33451ed882a084d82392f4ec302bc1f72f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd3e7ca2e19f7618fa40df1b46f33451ed882a084d82392f4ec302bc1f72f92", kill_on_drop: false }`
[INFO] [stdout] 8cd3e7ca2e19f7618fa40df1b46f33451ed882a084d82392f4ec302bc1f72f92