[INFO] cloning repository https://github.com/hgzimmerman/fantoccini_iframe_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hgzimmerman/fantoccini_iframe_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgzimmerman%2Ffantoccini_iframe_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgzimmerman%2Ffantoccini_iframe_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e869ad3ba35d9960d94bc7929ff510825f9cbb89
[INFO] checking hgzimmerman/fantoccini_iframe_example against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgzimmerman%2Ffantoccini_iframe_example" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hgzimmerman/fantoccini_iframe_example 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/hgzimmerman/fantoccini_iframe_example
[INFO] finished tweaking git repo https://github.com/hgzimmerman/fantoccini_iframe_example
[INFO] tweaked toml for git repo https://github.com/hgzimmerman/fantoccini_iframe_example written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/hgzimmerman/fantoccini_iframe_example 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-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] 26d296690532aed2ef0f224fbaae2d9a4cd11aff53fa8316cff6a7395337f051
[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" "26d296690532aed2ef0f224fbaae2d9a4cd11aff53fa8316cff6a7395337f051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26d296690532aed2ef0f224fbaae2d9a4cd11aff53fa8316cff6a7395337f051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d296690532aed2ef0f224fbaae2d9a4cd11aff53fa8316cff6a7395337f051", kill_on_drop: false }`
[INFO] [stdout] 26d296690532aed2ef0f224fbaae2d9a4cd11aff53fa8316cff6a7395337f051
[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] a2b96024ce5568c240484209ca642f963d7f9352ff3567e86ea5db9a091e4912
[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" "a2b96024ce5568c240484209ca642f963d7f9352ff3567e86ea5db9a091e4912", kill_on_drop: false }`
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking openssl v0.10.27
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking tokio-timer v0.2.12
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking headers-core v0.1.1
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking headers v0.2.3
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking warp v0.1.20
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking webdriver v0.40.2
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking fantoccini v0.12.0 (https://github.com/hgzimmerman/fantoccini.git?branch=frame_support#0715a02b)
[INFO] [stderr]     Checking fantoccini_iframe_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `frame_client`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let frame_client = e.frame().await?;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame_client`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let frame_client = e.frame().await?;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.71s
[INFO] running `Command { std: "docker" "inspect" "a2b96024ce5568c240484209ca642f963d7f9352ff3567e86ea5db9a091e4912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b96024ce5568c240484209ca642f963d7f9352ff3567e86ea5db9a091e4912", kill_on_drop: false }`
[INFO] [stdout] a2b96024ce5568c240484209ca642f963d7f9352ff3567e86ea5db9a091e4912