[INFO] fetching crate class_group 0.6.1...
[INFO] testing class_group-0.6.1 against master#d3515155216e98c23440ea92c3f49c6a0d7101fc for pr-113843
[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 d3515155216e98c23440ea92c3f49c6a0d7101fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "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" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "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" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "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 ff_derive-zeroize v0.6.2
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded ff-zeroize v0.6.3
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] [stderr]   Downloaded cryptoxide v0.1.3
[INFO] [stderr]   Downloaded bindgen v0.50.1
[INFO] [stderr]   Downloaded pairing-plus v0.19.0
[INFO] [stderr]   Downloaded curv-kzen v0.10.0
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded fs_extra v1.3.0
[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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e06d5a075cda9a36ed8a08324645c8f9101756a618edb4efa92e4a076e5fdee2
[INFO] running `Command { std: "docker" "start" "-a" "e06d5a075cda9a36ed8a08324645c8f9101756a618edb4efa92e4a076e5fdee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e06d5a075cda9a36ed8a08324645c8f9101756a618edb4efa92e4a076e5fdee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e06d5a075cda9a36ed8a08324645c8f9101756a618edb4efa92e4a076e5fdee2", kill_on_drop: false }`
[INFO] [stdout] e06d5a075cda9a36ed8a08324645c8f9101756a618edb4efa92e4a076e5fdee2
[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=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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dda73b7d410ababe2ac7bfeb7f3db07d52935aabbe6e890720cff86ddc821050
[INFO] running `Command { std: "docker" "start" "-a" "dda73b7d410ababe2ac7bfeb7f3db07d52935aabbe6e890720cff86ddc821050", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling const-oid v0.9.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling der v0.6.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling ff v0.12.1
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling base16ct v0.1.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling object v0.31.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling crypto-bigint v0.4.9
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling group v0.12.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling spki v0.6.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling pkcs8 v0.9.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling rfc6979 v0.3.1
[INFO] [stderr]    Compiling sec1 v0.3.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling elliptic-curve v0.12.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[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 cfg-if v0.1.10
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling ecdsa v0.14.8
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.10.7
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling addr2line v0.20.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling keccak v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling p256 v0.11.1
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[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 merkle-cbt v0.3.2
[INFO] [stderr]    Compiling cryptoxide v0.1.3
[INFO] [stderr]    Compiling ff_derive-zeroize v0.6.2
[INFO] [stderr]    Compiling ff-zeroize v0.6.3
[INFO] [stderr]    Compiling pairing-plus v0.19.0
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling curv-kzen v0.10.0
[INFO] [stderr]    Compiling class_group v0.6.1 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "dda73b7d410ababe2ac7bfeb7f3db07d52935aabbe6e890720cff86ddc821050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda73b7d410ababe2ac7bfeb7f3db07d52935aabbe6e890720cff86ddc821050", kill_on_drop: false }`
[INFO] [stdout] dda73b7d410ababe2ac7bfeb7f3db07d52935aabbe6e890720cff86ddc821050