[INFO] fetching crate ethereumvm-precompiled-modexp 0.11.0...
[INFO] checking ethereumvm-precompiled-modexp-0.11.0 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] extracting crate ethereumvm-precompiled-modexp 0.11.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ethereumvm-precompiled-modexp 0.11.0 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethereumvm-precompiled-modexp 0.11.0
[INFO] finished tweaking crates.io crate ethereumvm-precompiled-modexp 0.11.0
[INFO] tweaked toml for crates.io crate ethereumvm-precompiled-modexp 0.11.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc004a758bb4e0226f3915213a073fc46d2f5e558ee69340d7215511665ac06b
[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" "fc004a758bb4e0226f3915213a073fc46d2f5e558ee69340d7215511665ac06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc004a758bb4e0226f3915213a073fc46d2f5e558ee69340d7215511665ac06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc004a758bb4e0226f3915213a073fc46d2f5e558ee69340d7215511665ac06b", kill_on_drop: false }`
[INFO] [stdout] fc004a758bb4e0226f3915213a073fc46d2f5e558ee69340d7215511665ac06b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0ad1f809260900421eb187a5f0c11884d966588726eb18666d1d3e3e4f4741f
[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" "b0ad1f809260900421eb187a5f0c11884d966588726eb18666d1d3e3e4f4741f", kill_on_drop: false }`
[INFO] [stderr]     Checking ethereum-hexutil v0.2.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking generic-array v0.8.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking ethereum-rlp v0.2.3
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking sha3 v0.6.0
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking ripemd160 v0.6.0
[INFO] [stderr]     Checking hmac-drbg v0.1.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libsecp256k1 v0.1.15
[INFO] [stderr]     Checking ethereum-bigint v0.2.9
[INFO] [stderr]     Checking ethereum-trie v0.5.0
[INFO] [stderr]     Checking ethereum-bloom v0.2.1
[INFO] [stderr]     Checking ethereum-block-core v0.2.0
[INFO] [stderr]     Checking ethereum-trie-memory v0.5.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking ethereum-block v0.4.0
[INFO] [stderr]     Checking ethereumvm v0.11.0
[INFO] [stderr]     Checking ethereumvm-precompiled-modexp v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.54s
[INFO] running `Command { std: "docker" "inspect" "b0ad1f809260900421eb187a5f0c11884d966588726eb18666d1d3e3e4f4741f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ad1f809260900421eb187a5f0c11884d966588726eb18666d1d3e3e4f4741f", kill_on_drop: false }`
[INFO] [stdout] b0ad1f809260900421eb187a5f0c11884d966588726eb18666d1d3e3e4f4741f