[INFO] fetching crate zkinterface 1.3.2...
[INFO] checking zkinterface-1.3.2 against beta for pr-78714
[INFO] extracting crate zkinterface 1.3.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate zkinterface 1.3.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zkinterface 1.3.2
[INFO] finished tweaking crates.io crate zkinterface 1.3.2
[INFO] tweaked toml for crates.io crate zkinterface 1.3.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate zkinterface 1.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af2e0433607824e1168527b72c38bad1646c15dc7182da1cb7c1771168cc0682
[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" "af2e0433607824e1168527b72c38bad1646c15dc7182da1cb7c1771168cc0682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af2e0433607824e1168527b72c38bad1646c15dc7182da1cb7c1771168cc0682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2e0433607824e1168527b72c38bad1646c15dc7182da1cb7c1771168cc0682", kill_on_drop: false }`
[INFO] [stdout] af2e0433607824e1168527b72c38bad1646c15dc7182da1cb7c1771168cc0682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] eb9e9b50bfcb48ef06decbb9f2dbabd77b98a14ec71cbc51fd40d1a4e13debde
[INFO] running `Command { std: "docker" "start" "-a" "eb9e9b50bfcb48ef06decbb9f2dbabd77b98a14ec71cbc51fd40d1a4e13debde", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]     Checking flatbuffers v0.5.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling zkinterface v1.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "eb9e9b50bfcb48ef06decbb9f2dbabd77b98a14ec71cbc51fd40d1a4e13debde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9e9b50bfcb48ef06decbb9f2dbabd77b98a14ec71cbc51fd40d1a4e13debde", kill_on_drop: false }`
[INFO] [stdout] eb9e9b50bfcb48ef06decbb9f2dbabd77b98a14ec71cbc51fd40d1a4e13debde