[INFO] fetching crate class_group 0.6.1...
[INFO] checking class_group-0.6.1 against master#91775dbec9771aa0c1b9ebe268eb5bd271e79a7a for pr-139087-1
[INFO] extracting crate class_group 0.6.1 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate class_group 0.6.1 on toolchain 91775dbec9771aa0c1b9ebe268eb5bd271e79a7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91775dbec9771aa0c1b9ebe268eb5bd271e79a7a" "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" "+91775dbec9771aa0c1b9ebe268eb5bd271e79a7a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 237 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" "+91775dbec9771aa0c1b9ebe268eb5bd271e79a7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curv-kzen v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+91775dbec9771aa0c1b9ebe268eb5bd271e79a7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d68805914c9f350559f9a9008b002929816845712275f296f4ef6bad124367ca
[INFO] running `Command { std: "docker" "start" "-a" "d68805914c9f350559f9a9008b002929816845712275f296f4ef6bad124367ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d68805914c9f350559f9a9008b002929816845712275f296f4ef6bad124367ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68805914c9f350559f9a9008b002929816845712275f296f4ef6bad124367ca", kill_on_drop: false }`
[INFO] [stdout] d68805914c9f350559f9a9008b002929816845712275f296f4ef6bad124367ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+91775dbec9771aa0c1b9ebe268eb5bd271e79a7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f9f1f5871ad9be117d5ded7983844163463a4f86661aab05711517afd3da92a
[INFO] running `Command { std: "docker" "start" "-a" "8f9f1f5871ad9be117d5ded7983844163463a4f86661aab05711517afd3da92a", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]     Checking base64ct v1.8.3
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling zeroize_derive v1.4.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.7.0
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking crypto-bigint v0.4.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking rfc6979 v0.3.1
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking anstyle v1.0.14
[INFO] [stderr]     Checking sec1 v0.3.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking clap_lex v1.1.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]     Checking elliptic-curve v0.12.3
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rust-gmp-kzen v0.5.1
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking merkle-cbt v0.3.2
[INFO] [stderr]     Checking cryptoxide v0.1.3
[INFO] [stderr]    Compiling rug v1.29.0
[INFO] [stderr]     Checking rusty-fork v0.3.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking ecdsa v0.14.8
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking az v1.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]    Compiling ff_derive-zeroize v0.6.2
[INFO] [stderr]     Checking p256 v0.11.1
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]     Checking clap v4.6.0
[INFO] [stderr]     Checking ff-zeroize v0.6.3
[INFO] [stderr]     Checking pairing-plus v0.19.0
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking curv-kzen v0.10.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking criterion v0.8.2
[INFO] [stderr]    Compiling which v2.0.1
[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" "8f9f1f5871ad9be117d5ded7983844163463a4f86661aab05711517afd3da92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9f1f5871ad9be117d5ded7983844163463a4f86661aab05711517afd3da92a", kill_on_drop: false }`
[INFO] [stdout] 8f9f1f5871ad9be117d5ded7983844163463a4f86661aab05711517afd3da92a