[INFO] fetching crate sputnikvm-precompiled-modexp 0.11.0-beta.0...
[INFO] checking sputnikvm-precompiled-modexp-0.11.0-beta.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate sputnikvm-precompiled-modexp 0.11.0-beta.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sputnikvm-precompiled-modexp 0.11.0-beta.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sputnikvm-precompiled-modexp 0.11.0-beta.0
[INFO] finished tweaking crates.io crate sputnikvm-precompiled-modexp 0.11.0-beta.0
[INFO] tweaked toml for crates.io crate sputnikvm-precompiled-modexp 0.11.0-beta.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43ce800ccb3fe62d6db903d343ca2c63d9008b57b85438c45986e85e8e9f919c
[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" "43ce800ccb3fe62d6db903d343ca2c63d9008b57b85438c45986e85e8e9f919c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43ce800ccb3fe62d6db903d343ca2c63d9008b57b85438c45986e85e8e9f919c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ce800ccb3fe62d6db903d343ca2c63d9008b57b85438c45986e85e8e9f919c", kill_on_drop: false }`
[INFO] [stdout] 43ce800ccb3fe62d6db903d343ca2c63d9008b57b85438c45986e85e8e9f919c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c5ac815058abdcb161bd7f168031eff8d9b852b2645204caab4da439973baf0
[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" "0c5ac815058abdcb161bd7f168031eff8d9b852b2645204caab4da439973baf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking etcommon-hexutil v0.2.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking elastic-array-plus v0.10.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking etcommon-rlp v0.2.5
[INFO] [stderr]    Compiling secp256k1-plus v0.5.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking sha3 v0.6.0
[INFO] [stderr]     Checking ripemd160 v0.6.0
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking etcommon-bigint v0.2.10
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking etcommon-trie v0.4.0
[INFO] [stderr]     Checking etcommon-bloom v0.2.1
[INFO] [stderr]     Checking etcommon-block-core v0.3.1
[INFO] [stderr]     Checking etcommon-block v0.5.2
[INFO] [stderr]     Checking sputnikvm v0.11.0-beta.0
[INFO] [stderr]     Checking sputnikvm-precompiled-modexp v0.11.0-beta.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.70s
[INFO] running `Command { std: "docker" "inspect" "0c5ac815058abdcb161bd7f168031eff8d9b852b2645204caab4da439973baf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c5ac815058abdcb161bd7f168031eff8d9b852b2645204caab4da439973baf0", kill_on_drop: false }`
[INFO] [stdout] 0c5ac815058abdcb161bd7f168031eff8d9b852b2645204caab4da439973baf0