[INFO] fetching crate fibbox 0.1.0...
[INFO] checking fibbox-0.1.0 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate fibbox 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate fibbox 0.1.0 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fibbox 0.1.0
[INFO] finished tweaking crates.io crate fibbox 0.1.0
[INFO] tweaked toml for crates.io crate fibbox 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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] 1bd5d4e81f60b1c8eb3472c931834088e68ce32aa854cb350d6b7f31380fd4ca
[INFO] running `Command { std: "docker" "start" "-a" "1bd5d4e81f60b1c8eb3472c931834088e68ce32aa854cb350d6b7f31380fd4ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bd5d4e81f60b1c8eb3472c931834088e68ce32aa854cb350d6b7f31380fd4ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd5d4e81f60b1c8eb3472c931834088e68ce32aa854cb350d6b7f31380fd4ca", kill_on_drop: false }`
[INFO] [stdout] 1bd5d4e81f60b1c8eb3472c931834088e68ce32aa854cb350d6b7f31380fd4ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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] e1de23ca78c0b3c1e136ebf4f8a0dbbbcbcb24ef671cad64be8789d289c8ad4f
[INFO] running `Command { std: "docker" "start" "-a" "e1de23ca78c0b3c1e136ebf4f8a0dbbbcbcb24ef671cad64be8789d289c8ad4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rug v1.6.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking fibbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 18s
[INFO] running `Command { std: "docker" "inspect" "e1de23ca78c0b3c1e136ebf4f8a0dbbbcbcb24ef671cad64be8789d289c8ad4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1de23ca78c0b3c1e136ebf4f8a0dbbbcbcb24ef671cad64be8789d289c8ad4f", kill_on_drop: false }`
[INFO] [stdout] e1de23ca78c0b3c1e136ebf4f8a0dbbbcbcb24ef671cad64be8789d289c8ad4f