[INFO] fetching crate utah2 0.1.1...
[INFO] checking utah2-0.1.1 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate utah2 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate utah2 0.1.1 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate utah2 0.1.1
[INFO] finished tweaking crates.io crate utah2 0.1.1
[INFO] tweaked toml for crates.io crate utah2 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df391bf560a310b9446c5582c6f5a93dff093b8160911eb1748c75d8220f90ce
[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" "df391bf560a310b9446c5582c6f5a93dff093b8160911eb1748c75d8220f90ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df391bf560a310b9446c5582c6f5a93dff093b8160911eb1748c75d8220f90ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df391bf560a310b9446c5582c6f5a93dff093b8160911eb1748c75d8220f90ce", kill_on_drop: false }`
[INFO] [stdout] df391bf560a310b9446c5582c6f5a93dff093b8160911eb1748c75d8220f90ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acccab82deae374b21f324b61cd6afd56c71aca9af15fd8fb3484c0226ed2ac3
[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" "acccab82deae374b21f324b61cd6afd56c71aca9af15fd8fb3484c0226ed2ac3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking ndarray v0.13.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking ndarray-rand v0.11.0
[INFO] [stderr]     Checking utah2 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.19s
[INFO] running `Command { std: "docker" "inspect" "acccab82deae374b21f324b61cd6afd56c71aca9af15fd8fb3484c0226ed2ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acccab82deae374b21f324b61cd6afd56c71aca9af15fd8fb3484c0226ed2ac3", kill_on_drop: false }`
[INFO] [stdout] acccab82deae374b21f324b61cd6afd56c71aca9af15fd8fb3484c0226ed2ac3