[INFO] cloning repository https://github.com/kavirajk/heck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kavirajk/heck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkavirajk%2Fheck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkavirajk%2Fheck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3dea0ec1ec126bd37e8580a1425f3a029ab6bef
[INFO] checking kavirajk/heck against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkavirajk%2Fheck" "/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/kavirajk/heck 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/kavirajk/heck
[INFO] finished tweaking git repo https://github.com/kavirajk/heck
[INFO] tweaked toml for git repo https://github.com/kavirajk/heck written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kavirajk/heck 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]  Downloading crates ...
[INFO] [stderr]   Downloaded redis v0.12.0
[INFO] [stderr]   Downloaded backtrace v0.3.38
[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] c99e047ae540e66323775ed700a1224461e39e453653073f7bb0e6fcb5ff6364
[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" "c99e047ae540e66323775ed700a1224461e39e453653073f7bb0e6fcb5ff6364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c99e047ae540e66323775ed700a1224461e39e453653073f7bb0e6fcb5ff6364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99e047ae540e66323775ed700a1224461e39e453653073f7bb0e6fcb5ff6364", kill_on_drop: false }`
[INFO] [stdout] c99e047ae540e66323775ed700a1224461e39e453653073f7bb0e6fcb5ff6364
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 402669cae9bce493e01e48c12a8176968a390bb5e75203aa5ec906c8a0d4a1aa
[INFO] running `Command { std: "docker" "start" "-a" "402669cae9bce493e01e48c12a8176968a390bb5e75203aa5ec906c8a0d4a1aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking miniz_oxide v0.3.2
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.20
[INFO] [stderr]     Checking redis v0.12.0
[INFO] [stderr]     Checking heck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.85s
[INFO] running `Command { std: "docker" "inspect" "402669cae9bce493e01e48c12a8176968a390bb5e75203aa5ec906c8a0d4a1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402669cae9bce493e01e48c12a8176968a390bb5e75203aa5ec906c8a0d4a1aa", kill_on_drop: false }`
[INFO] [stdout] 402669cae9bce493e01e48c12a8176968a390bb5e75203aa5ec906c8a0d4a1aa