[INFO] fetching crate class_group 0.6.0...
[INFO] checking class_group-0.6.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate class_group 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate class_group 0.6.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 p256 v0.9.0
[INFO] [stderr]   Downloaded rust-gmp-kzen v0.5.1
[INFO] [stderr]   Downloaded cryptoxide v0.1.3
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] [stderr]   Downloaded curv-kzen v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd7fea32dcc492535dbbf6c0a589a45594134f88ab21824c77582295970fd659
[INFO] running `Command { std: "docker" "start" "-a" "cd7fea32dcc492535dbbf6c0a589a45594134f88ab21824c77582295970fd659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd7fea32dcc492535dbbf6c0a589a45594134f88ab21824c77582295970fd659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7fea32dcc492535dbbf6c0a589a45594134f88ab21824c77582295970fd659", kill_on_drop: false }`
[INFO] [stdout] cd7fea32dcc492535dbbf6c0a589a45594134f88ab21824c77582295970fd659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df1e11bd07a5268efbd59eecbb1cfb678a731ba5ed39df5ef0bf3dee739b2534
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "df1e11bd07a5268efbd59eecbb1cfb678a731ba5ed39df5ef0bf3dee739b2534", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.7
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking cryptoxide v0.1.3
[INFO] [stderr]    Compiling rug v1.14.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling secp256k1-sys v0.4.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking der v0.4.4
[INFO] [stderr]     Checking merkle-cbt v0.3.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling anyhow v1.0.48
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ff v0.10.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]     Checking group v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]     Checking spki v0.4.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.7.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking proptest 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 block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]     Checking signature v1.3.2
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking crypto-bigint v0.2.11
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling ff_derive-zeroize v0.6.2
[INFO] [stderr]     Checking elliptic-curve v0.10.6
[INFO] [stderr]     Checking ecdsa v0.12.4
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking p256 v0.9.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking rust-gmp-kzen v0.5.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking ff-zeroize v0.6.3
[INFO] [stderr]     Checking pairing-plus v0.19.0
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking curv-kzen v0.9.0
[INFO] [stderr]    Compiling class_group v0.6.0 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "df1e11bd07a5268efbd59eecbb1cfb678a731ba5ed39df5ef0bf3dee739b2534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1e11bd07a5268efbd59eecbb1cfb678a731ba5ed39df5ef0bf3dee739b2534", kill_on_drop: false }`
[INFO] [stdout] df1e11bd07a5268efbd59eecbb1cfb678a731ba5ed39df5ef0bf3dee739b2534