[INFO] fetching crate class_group 0.6.0...
[INFO] checking class_group-0.6.0 against try#77ee4623672f6bca3e33ba60b6479de48d44b1f9 for pr-99217
[INFO] extracting crate class_group 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate class_group 0.6.0 on toolchain 77ee4623672f6bca3e33ba60b6479de48d44b1f9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "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/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd0ba25bb83fa8281e24859f1b4adbe43fb8c7ca7c3e4fa5d18cac4a213eeafc
[INFO] running `Command { std: "docker" "start" "-a" "cd0ba25bb83fa8281e24859f1b4adbe43fb8c7ca7c3e4fa5d18cac4a213eeafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd0ba25bb83fa8281e24859f1b4adbe43fb8c7ca7c3e4fa5d18cac4a213eeafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0ba25bb83fa8281e24859f1b4adbe43fb8c7ca7c3e4fa5d18cac4a213eeafc", kill_on_drop: false }`
[INFO] [stdout] cd0ba25bb83fa8281e24859f1b4adbe43fb8c7ca7c3e4fa5d18cac4a213eeafc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df79165fa2a2fef7916c8f64528ca9ba23e261c412f81175ba8deffabd1d88f
[INFO] running `Command { std: "docker" "start" "-a" "7df79165fa2a2fef7916c8f64528ca9ba23e261c412f81175ba8deffabd1d88f", 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
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking rand_core v0.4.2
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[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.3.0
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[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]     Checking const-oid v0.6.2
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[INFO] [stderr]    Compiling log v0.4.17
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[INFO] [stderr]    Compiling rustc-demangle v0.1.21
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[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
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[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
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[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling humantime v1.3.0
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[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking plotters-svg v0.3.2
[INFO] [stderr]     Checking bit-set v0.5.3
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]     Checking rand_isaac v0.1.1
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[INFO] [stderr]    Compiling object v0.29.0
[INFO] [stderr]     Checking pkcs8 v0.7.6
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking ff v0.10.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking plotters v0.3.2
[INFO] [stderr]     Checking group v0.10.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking signature v1.3.2
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling ff_derive-zeroize v0.6.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking crypto-bigint v0.2.11
[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]    Compiling class_group v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking elliptic-curve v0.10.6
[INFO] [stderr]     Checking ecdsa v0.12.4
[INFO] [stderr]     Checking p256 v0.9.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rust-gmp-kzen v0.5.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_bytes v0.11.6
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking curv-kzen v0.9.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7df79165fa2a2fef7916c8f64528ca9ba23e261c412f81175ba8deffabd1d88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df79165fa2a2fef7916c8f64528ca9ba23e261c412f81175ba8deffabd1d88f", kill_on_drop: false }`
[INFO] [stdout] 7df79165fa2a2fef7916c8f64528ca9ba23e261c412f81175ba8deffabd1d88f