[INFO] fetching crate class_group 0.6.0...
[INFO] building class_group-0.6.0 against master#f3126500f25114ba4e0ac3e76694dd45a22de56d for pr-107620-1
[INFO] extracting crate class_group 0.6.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate class_group 0.6.0 on toolchain f3126500f25114ba4e0ac3e76694dd45a22de56d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate class_group 0.6.0
[INFO] finished tweaking crates.io crate class_group 0.6.0
[INFO] tweaked toml for crates.io crate class_group 0.6.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fs_extra v1.2.0
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded secp256k1-sys v0.4.2
[INFO] [stderr]   Downloaded secp256k1 v0.20.3
[INFO] [stderr]   Downloaded rust-gmp-kzen v0.5.1
[INFO] [stderr]   Downloaded ff-zeroize v0.6.3
[INFO] [stderr]   Downloaded merkle-cbt v0.3.2
[INFO] [stderr]   Downloaded pairing-plus v0.19.0
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded const-oid v0.6.2
[INFO] [stderr]   Downloaded crypto-bigint v0.2.11
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded bindgen v0.50.1
[INFO] [stderr]   Downloaded ff v0.10.1
[INFO] [stderr]   Downloaded ecdsa v0.12.4
[INFO] [stderr]   Downloaded signature v1.3.2
[INFO] [stderr]   Downloaded der v0.4.5
[INFO] [stderr]   Downloaded p256 v0.9.0
[INFO] [stderr]   Downloaded curve25519-dalek v3.2.0
[INFO] [stderr]   Downloaded curv-kzen v0.9.0
[INFO] [stderr]   Downloaded rug v1.19.0
[INFO] [stderr]   Downloaded group v0.10.0
[INFO] [stderr]   Downloaded pkcs8 v0.7.6
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.5.0
[INFO] [stderr]   Downloaded elliptic-curve v0.10.6
[INFO] [stderr]   Downloaded spki v0.4.1
[INFO] [stderr]   Downloaded ff_derive-zeroize v0.6.2
[INFO] [stderr]   Downloaded zeroize v1.4.3
[INFO] [stderr]   Downloaded cryptoxide v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b333b2dd4b1092663784fbf3d1dd04b0c2a1df807c6799c1c9994c991c1e1bcc
[INFO] running `Command { std: "docker" "start" "-a" "b333b2dd4b1092663784fbf3d1dd04b0c2a1df807c6799c1c9994c991c1e1bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b333b2dd4b1092663784fbf3d1dd04b0c2a1df807c6799c1c9994c991c1e1bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b333b2dd4b1092663784fbf3d1dd04b0c2a1df807c6799c1c9994c991c1e1bcc", kill_on_drop: false }`
[INFO] [stdout] b333b2dd4b1092663784fbf3d1dd04b0c2a1df807c6799c1c9994c991c1e1bcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d880fe254ca3bb1c44eb47366d106268e3661012454f6f82b2e8bae4c4547dc1
[INFO] running `Command { std: "docker" "start" "-a" "d880fe254ca3bb1c44eb47366d106268e3661012454f6f82b2e8bae4c4547dc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling gimli v0.27.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling const-oid v0.6.2
[INFO] [stderr]    Compiling der v0.4.5
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling spki v0.4.1
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling ff v0.10.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling group v0.10.0
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]    Compiling pkcs8 v0.7.6
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling signature v1.3.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling merkle-cbt v0.3.2
[INFO] [stderr]    Compiling cryptoxide v0.1.3
[INFO] [stderr]    Compiling zeroize_derive v1.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling ff_derive-zeroize v0.6.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling zeroize v1.4.3
[INFO] [stderr]    Compiling crypto-bigint v0.2.11
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling elliptic-curve v0.10.6
[INFO] [stderr]    Compiling ff-zeroize v0.6.3
[INFO] [stderr]    Compiling ecdsa v0.12.4
[INFO] [stderr]    Compiling pairing-plus v0.19.0
[INFO] [stderr]    Compiling p256 v0.9.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling class_group v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling secp256k1 v0.20.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling serde_bytes v0.11.8
[INFO] [stderr]    Compiling rust-gmp-kzen v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling curv-kzen v0.9.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6m 03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, fs_extra v1.2.0, 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" "d880fe254ca3bb1c44eb47366d106268e3661012454f6f82b2e8bae4c4547dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d880fe254ca3bb1c44eb47366d106268e3661012454f6f82b2e8bae4c4547dc1", kill_on_drop: false }`
[INFO] [stdout] d880fe254ca3bb1c44eb47366d106268e3661012454f6f82b2e8bae4c4547dc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f9613a124be47ce790a45311dd7ff25af9ca47d0731f6f784224601c1fb681e
[INFO] running `Command { std: "docker" "start" "-a" "3f9613a124be47ce790a45311dd7ff25af9ca47d0731f6f784224601c1fb681e", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.5.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling ciborium-io v0.2.0
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling ciborium-ll v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rug v1.19.0
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling clap v3.2.23
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling ciborium v0.2.0
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling rayon v1.6.1
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling class_group v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4m 45s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, fs_extra v1.2.0, 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" "3f9613a124be47ce790a45311dd7ff25af9ca47d0731f6f784224601c1fb681e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f9613a124be47ce790a45311dd7ff25af9ca47d0731f6f784224601c1fb681e", kill_on_drop: false }`
[INFO] [stdout] 3f9613a124be47ce790a45311dd7ff25af9ca47d0731f6f784224601c1fb681e