[INFO] cloning repository https://github.com/davidMuir/warp-hello-world
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidMuir/warp-hello-world" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdavidMuir%2Fwarp-hello-world", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdavidMuir%2Fwarp-hello-world'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f28b37e56167de7a5958ba7a5d15721fc726742
[INFO] checking davidMuir/warp-hello-world against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdavidMuir%2Fwarp-hello-world" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidMuir/warp-hello-world 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/davidMuir/warp-hello-world
[INFO] finished tweaking git repo https://github.com/davidMuir/warp-hello-world
[INFO] tweaked toml for git repo https://github.com/davidMuir/warp-hello-world written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/davidMuir/warp-hello-world 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] abfaea0520db834850b0c753df287b9b35866e625def728856baad747b497dda
[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" "abfaea0520db834850b0c753df287b9b35866e625def728856baad747b497dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abfaea0520db834850b0c753df287b9b35866e625def728856baad747b497dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abfaea0520db834850b0c753df287b9b35866e625def728856baad747b497dda", kill_on_drop: false }`
[INFO] [stdout] abfaea0520db834850b0c753df287b9b35866e625def728856baad747b497dda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e78004d73ae944fd310154cf35742fbb363e63a5989761f04caf4136c14459da
[INFO] running `Command { std: "docker" "start" "-a" "e78004d73ae944fd310154cf35742fbb363e63a5989761f04caf4136c14459da", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking utf-8 v0.7.4
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]    Compiling syn v0.15.17
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking tungstenite v0.6.0
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking headers-core v0.0.1
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]    Compiling headers-derive v0.0.1
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking headers-ext v0.0.3
[INFO] [stderr]     Checking hyper v0.12.13
[INFO] [stderr]     Checking warp v0.1.9
[INFO] [stderr]     Checking warp-hello-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.62s
[INFO] running `Command { std: "docker" "inspect" "e78004d73ae944fd310154cf35742fbb363e63a5989761f04caf4136c14459da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e78004d73ae944fd310154cf35742fbb363e63a5989761f04caf4136c14459da", kill_on_drop: false }`
[INFO] [stdout] e78004d73ae944fd310154cf35742fbb363e63a5989761f04caf4136c14459da