[INFO] cloning repository https://github.com/mprasil/paperpi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mprasil/paperpi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmprasil%2Fpaperpi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmprasil%2Fpaperpi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eab1cb1eebbc1566c6b4511612cc7bf6a32c383d
[INFO] checking mprasil/paperpi against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmprasil%2Fpaperpi" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mprasil/paperpi 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 git repo https://github.com/mprasil/paperpi
[INFO] finished tweaking git repo https://github.com/mprasil/paperpi
[INFO] tweaked toml for git repo https://github.com/mprasil/paperpi written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mprasil/paperpi 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73aee80530c7c0f17f07db95950c9a99135de848a7d47486c94c40bdc41a22cb
[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" "73aee80530c7c0f17f07db95950c9a99135de848a7d47486c94c40bdc41a22cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73aee80530c7c0f17f07db95950c9a99135de848a7d47486c94c40bdc41a22cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73aee80530c7c0f17f07db95950c9a99135de848a7d47486c94c40bdc41a22cb", kill_on_drop: false }`
[INFO] [stdout] 73aee80530c7c0f17f07db95950c9a99135de848a7d47486c94c40bdc41a22cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52714d56a4a144500193e034c8fee68c78cf7a7067b4f233ae9daeb803b0fec4
[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" "52714d56a4a144500193e034c8fee68c78cf7a7067b4f233ae9daeb803b0fec4", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.19
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking num-complex v0.2.1
[INFO] [stderr]     Checking libflate v0.1.21
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serializable_enum v0.4.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling enumset_derive v0.3.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.16
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking tokio-threadpool v0.1.12
[INFO] [stderr]     Checking enum-map-internals v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio v0.1.17
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking enumset v0.3.17
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking h2 v0.1.17
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking enum-map v0.5.0
[INFO] [stderr]     Checking cursive v0.11.0
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.11
[INFO] [stderr]     Checking paperpi v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.55s
[INFO] running `Command { std: "docker" "inspect" "52714d56a4a144500193e034c8fee68c78cf7a7067b4f233ae9daeb803b0fec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52714d56a4a144500193e034c8fee68c78cf7a7067b4f233ae9daeb803b0fec4", kill_on_drop: false }`
[INFO] [stdout] 52714d56a4a144500193e034c8fee68c78cf7a7067b4f233ae9daeb803b0fec4