[INFO] fetching crate class_group 0.6.0...
[INFO] checking class_group-0.6.0 against master#e652caa679a304af11fc04f1f12452f255a82593 for pr-98000
[INFO] extracting crate class_group 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate class_group 0.6.0 on toolchain e652caa679a304af11fc04f1f12452f255a82593
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pairing-plus v0.19.0
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded bindgen v0.50.1
[INFO] [stderr]   Downloaded signature v1.3.2
[INFO] [stderr]   Downloaded cryptoxide v0.1.3
[INFO] [stderr]   Downloaded ff v0.10.1
[INFO] [stderr]   Downloaded ecdsa v0.12.4
[INFO] [stderr]   Downloaded p256 v0.9.0
[INFO] [stderr]   Downloaded curv-kzen v0.9.0
[INFO] [stderr]   Downloaded rug v1.16.0
[INFO] [stderr]   Downloaded group v0.10.0
[INFO] [stderr]   Downloaded elliptic-curve v0.10.6
[INFO] [stderr]   Downloaded ff_derive-zeroize v0.6.2
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.8
[INFO] [stderr]   Downloaded ff-zeroize v0.6.3
[INFO] [stderr]   Downloaded rust-gmp-kzen v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24bbf97b6a281f301a9c193e427678ba9a6797cf6968196e620f490c8adc7e9a
[INFO] running `Command { std: "docker" "start" "-a" "24bbf97b6a281f301a9c193e427678ba9a6797cf6968196e620f490c8adc7e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24bbf97b6a281f301a9c193e427678ba9a6797cf6968196e620f490c8adc7e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24bbf97b6a281f301a9c193e427678ba9a6797cf6968196e620f490c8adc7e9a", kill_on_drop: false }`
[INFO] [stdout] 24bbf97b6a281f301a9c193e427678ba9a6797cf6968196e620f490c8adc7e9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d01c6e6ccc78581f4f8c3a6baf15321aab0b7c4bcfac718eb2a0e6300d8460b
[INFO] running `Command { std: "docker" "start" "-a" "4d01c6e6ccc78581f4f8c3a6baf15321aab0b7c4bcfac718eb2a0e6300d8460b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking subtle v2.4.1
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[INFO] [stderr]     Checking once_cell v1.12.0
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[INFO] [stderr]    Compiling rustc-demangle v0.1.21
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[INFO] [stderr]    Compiling regex-syntax v0.6.26
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[INFO] [stderr]    Compiling autocfg v0.1.8
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[INFO] [stderr]    Compiling miniz_oxide v0.5.3
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[INFO] [stderr]    Compiling clang-sys v0.28.1
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[INFO] [stderr]    Compiling backtrace v0.3.65
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[INFO] [stderr]     Checking itertools v0.10.3
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[INFO] [stderr]     Checking spki v0.4.1
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_hc v0.1.0
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[INFO] [stderr]    Compiling object v0.28.4
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[INFO] [stderr]     Checking getrandom v0.2.7
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[INFO] [stderr]    Compiling quote v0.6.13
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[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking plotters v0.3.1
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[INFO] [stderr]    Compiling cast v0.2.7
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[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking signature v1.3.2
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking group v0.10.0
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[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]    Compiling class_group v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling ff_derive-zeroize v0.6.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking crypto-bigint v0.2.11
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
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[INFO] [stderr]     Checking pairing-plus v0.19.0
[INFO] [stderr]     Checking elliptic-curve v0.10.6
[INFO] [stderr]     Checking ecdsa v0.12.4
[INFO] [stderr]     Checking p256 v0.9.0
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[INFO] [stderr]     Checking rust-gmp-kzen v0.5.1
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[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking hex v0.4.3
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[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7m 13s
[INFO] running `Command { std: "docker" "inspect" "4d01c6e6ccc78581f4f8c3a6baf15321aab0b7c4bcfac718eb2a0e6300d8460b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d01c6e6ccc78581f4f8c3a6baf15321aab0b7c4bcfac718eb2a0e6300d8460b", kill_on_drop: false }`
[INFO] [stdout] 4d01c6e6ccc78581f4f8c3a6baf15321aab0b7c4bcfac718eb2a0e6300d8460b