[INFO] fetching crate rua 0.17.15...
[INFO] checking rua-0.17.15 against beta for pr-78714
[INFO] extracting crate rua 0.17.15 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rua 0.17.15 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 rua 0.17.15
[INFO] finished tweaking crates.io crate rua 0.17.15
[INFO] tweaked toml for crates.io crate rua 0.17.15 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rua 0.17.15 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 568bb2660ac7ce06707a52adfcc322edf06e36daef9f7845122114e38059acdc
[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" "568bb2660ac7ce06707a52adfcc322edf06e36daef9f7845122114e38059acdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "568bb2660ac7ce06707a52adfcc322edf06e36daef9f7845122114e38059acdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568bb2660ac7ce06707a52adfcc322edf06e36daef9f7845122114e38059acdc", kill_on_drop: false }`
[INFO] [stdout] 568bb2660ac7ce06707a52adfcc322edf06e36daef9f7845122114e38059acdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ec6d1800947af03c5587cad16f550b3d5d5b93399af38b0526df07af9e99b742
[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" "ec6d1800947af03c5587cad16f550b3d5d5b93399af38b0526df07af9e99b742", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling alpm-sys v1.1.1
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking srcinfo v1.0.0
[INFO] [stderr]    Compiling psm v0.1.11
[INFO] [stderr]    Compiling stacker v0.1.12
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]     Checking libflate v1.0.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling structopt v0.3.20
[INFO] [stderr]     Checking ruzstd v0.2.2
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking alpm v1.1.1
[INFO] [stderr]    Compiling rua v0.17.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking rm_rf v0.6.0
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking raur v3.0.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.41s
[INFO] running `Command { std: "docker" "inspect" "ec6d1800947af03c5587cad16f550b3d5d5b93399af38b0526df07af9e99b742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6d1800947af03c5587cad16f550b3d5d5b93399af38b0526df07af9e99b742", kill_on_drop: false }`
[INFO] [stdout] ec6d1800947af03c5587cad16f550b3d5d5b93399af38b0526df07af9e99b742