[INFO] fetching crate class_group 0.6.1...
[INFO] checking class_group-0.6.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate class_group 0.6.1 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate class_group 0.6.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 233 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.50.1 (available: v0.72.0)
[INFO] [stderr]       Adding curve25519-dalek v3.2.0 (available: v3.2.1)
[INFO] [stderr]       Adding hmac v0.11.0 (available: v0.12.1)
[INFO] [stderr]       Adding proptest v0.10.1 (available: v1.7.0)
[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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded ff_derive-zeroize v0.6.2
[INFO] [stderr]   Downloaded rust-gmp-kzen v0.5.1
[INFO] [stderr]   Downloaded ff-zeroize v0.6.3
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded secp256k1 v0.20.3
[INFO] [stderr]   Downloaded cryptoxide v0.1.3
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] [stderr]   Downloaded bindgen v0.50.1
[INFO] [stderr]   Downloaded curv-kzen v0.10.0
[INFO] [stderr]   Downloaded rug v1.27.0
[INFO] [stderr]   Downloaded pairing-plus v0.19.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.5
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2f0a0a2ec1a65256c061753609d8e706a44c7720dd36d95f067f695d4158d17
[INFO] running `Command { std: "docker" "start" "-a" "b2f0a0a2ec1a65256c061753609d8e706a44c7720dd36d95f067f695d4158d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2f0a0a2ec1a65256c061753609d8e706a44c7720dd36d95f067f695d4158d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f0a0a2ec1a65256c061753609d8e706a44c7720dd36d95f067f695d4158d17", kill_on_drop: false }`
[INFO] [stdout] b2f0a0a2ec1a65256c061753609d8e706a44c7720dd36d95f067f695d4158d17
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cafffd97cafb1b4f12e643854532d5c2212d39d3f5d2cabaa8367dce2785eac
[INFO] running `Command { std: "docker" "start" "-a" "6cafffd97cafb1b4f12e643854532d5c2212d39d3f5d2cabaa8367dce2785eac", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking base64ct v1.8.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.5
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking clap_builder v4.5.40
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking merkle-cbt v0.3.2
[INFO] [stderr]    Compiling rug v1.27.0
[INFO] [stderr]    Compiling ff_derive-zeroize v0.6.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]     Checking cryptoxide v0.1.3
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking clap v4.5.40
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking zeroize v1.8.1
[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 proptest v0.10.1
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking sec1 v0.3.0
[INFO] [stderr]     Checking elliptic-curve v0.12.3
[INFO] [stderr]     Checking rfc6979 v0.3.1
[INFO] [stderr]     Checking ecdsa v0.14.8
[INFO] [stderr]     Checking p256 v0.11.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling class_group v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking serde_bytes v0.11.17
[INFO] [stderr]     Checking rust-gmp-kzen v0.5.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking curv-kzen v0.10.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.6.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "6cafffd97cafb1b4f12e643854532d5c2212d39d3f5d2cabaa8367dce2785eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cafffd97cafb1b4f12e643854532d5c2212d39d3f5d2cabaa8367dce2785eac", kill_on_drop: false }`
[INFO] [stdout] 6cafffd97cafb1b4f12e643854532d5c2212d39d3f5d2cabaa8367dce2785eac