[INFO] cloning repository https://github.com/jbg/prox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbg/prox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbg%2Fprox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbg%2Fprox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 672a442224aee43e811d0b2fb88b405a1884f9da
[INFO] checking jbg/prox against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbg%2Fprox" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbg/prox 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/jbg/prox
[INFO] finished tweaking git repo https://github.com/jbg/prox
[INFO] tweaked toml for git repo https://github.com/jbg/prox written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jbg/prox 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 hyper v0.11.7
[INFO] [stderr]   Downloaded regex v0.2.3
[INFO] [stderr]   Downloaded futures-cpupool v0.1.7
[INFO] [stderr]   Downloaded tokio-core v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 89f59406723d9b29c7bcb44dec6a423723cc1e37af03b8f73fe5e8a9208fbd64
[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" "89f59406723d9b29c7bcb44dec6a423723cc1e37af03b8f73fe5e8a9208fbd64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89f59406723d9b29c7bcb44dec6a423723cc1e37af03b8f73fe5e8a9208fbd64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f59406723d9b29c7bcb44dec6a423723cc1e37af03b8f73fe5e8a9208fbd64", kill_on_drop: false }`
[INFO] [stdout] 89f59406723d9b29c7bcb44dec6a423723cc1e37af03b8f73fe5e8a9208fbd64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 7ac9e71b74eceaeb0ce106d2908368deeb98cd870fd69a0d5b67600f75bd0b35
[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" "7ac9e71b74eceaeb0ce106d2908368deeb98cd870fd69a0d5b67600f75bd0b35", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-cpupool v0.1.7
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking tokio-core v0.1.10
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking hyper v0.11.7
[INFO] [stderr]     Checking prox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     type Future = Box<Future<Item=Self::Response, Error=Self::Error>>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Self::Response, Error=Self::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     type Future = Box<Future<Item=Self::Response, Error=Self::Error>>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Self::Response, Error=Self::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.51s
[INFO] running `Command { std: "docker" "inspect" "7ac9e71b74eceaeb0ce106d2908368deeb98cd870fd69a0d5b67600f75bd0b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac9e71b74eceaeb0ce106d2908368deeb98cd870fd69a0d5b67600f75bd0b35", kill_on_drop: false }`
[INFO] [stdout] 7ac9e71b74eceaeb0ce106d2908368deeb98cd870fd69a0d5b67600f75bd0b35