[INFO] fetching crate class_group 0.6.1...
[INFO] documenting class_group-0.6.1 against master#8afe9ff1caa97654c31fb8c259dac9fdf67d6302 for pr-151918
[INFO] extracting crate class_group 0.6.1 into /workspace/builds/worker-7-tc1/source
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate class_group 0.6.1 on toolchain 8afe9ff1caa97654c31fb8c259dac9fdf67d6302
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 227 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.50.1 (available: v0.72.1)
[INFO] [stderr]       Adding curve25519-dalek v3.2.0 (available: v3.2.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding hmac v0.11.0 (available: v0.12.1)
[INFO] [stderr]       Adding proptest v0.10.1 (available: v1.10.0)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.10.9)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-gmp-kzen v0.5.1
[INFO] [stderr]   Downloaded criterion-plot v0.8.2
[INFO] [stderr]   Downloaded ff_derive-zeroize v0.6.2
[INFO] [stderr]   Downloaded ff-zeroize v0.6.3
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded cryptoxide v0.1.3
[INFO] [stderr]   Downloaded criterion v0.8.2
[INFO] [stderr]   Downloaded bindgen v0.50.1
[INFO] [stderr]   Downloaded curv-kzen v0.10.0
[INFO] [stderr]   Downloaded rug v1.28.1
[INFO] [stderr]   Downloaded pairing-plus v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ebb96e8a64388d941c425b644d85b4560ab94e973019c6359ff1d12a86046a9
[INFO] running `Command { std: "docker" "start" "-a" "0ebb96e8a64388d941c425b644d85b4560ab94e973019c6359ff1d12a86046a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ebb96e8a64388d941c425b644d85b4560ab94e973019c6359ff1d12a86046a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ebb96e8a64388d941c425b644d85b4560ab94e973019c6359ff1d12a86046a9", kill_on_drop: false }`
[INFO] [stdout] 0ebb96e8a64388d941c425b644d85b4560ab94e973019c6359ff1d12a86046a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ccc1adeac09c0fe5f3803d180df7caab36f4722156deed8c2ab300614f0fef0
[INFO] running `Command { std: "docker" "start" "-a" "2ccc1adeac09c0fe5f3803d180df7caab36f4722156deed8c2ab300614f0fef0", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking merkle-cbt v0.3.2
[INFO] [stderr]     Checking cryptoxide v0.1.3
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling ff_derive-zeroize v0.6.2
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling zeroize_derive v1.4.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.39
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking crypto-bigint v0.4.9
[INFO] [stderr]     Checking ff-zeroize v0.6.3
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking pairing-plus v0.19.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking rfc6979 v0.3.1
[INFO] [stderr]     Checking sec1 v0.3.0
[INFO] [stderr]     Checking elliptic-curve v0.12.3
[INFO] [stderr]     Checking ecdsa v0.14.8
[INFO] [stderr]     Checking p256 v0.11.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rust-gmp-kzen v0.5.1
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]    Compiling class_group v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking curv-kzen v0.10.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "2ccc1adeac09c0fe5f3803d180df7caab36f4722156deed8c2ab300614f0fef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ccc1adeac09c0fe5f3803d180df7caab36f4722156deed8c2ab300614f0fef0", kill_on_drop: false }`
[INFO] [stdout] 2ccc1adeac09c0fe5f3803d180df7caab36f4722156deed8c2ab300614f0fef0