[INFO] cloning repository https://github.com/kattrali/webkitten
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kattrali/webkitten" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkattrali%2Fwebkitten", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkattrali%2Fwebkitten'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c0b9ae2b21870eb2f1245f76de02a1a2a069918
[INFO] checking kattrali/webkitten against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkattrali%2Fwebkitten" "/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/kattrali/webkitten 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/kattrali/webkitten
[INFO] finished tweaking git repo https://github.com/kattrali/webkitten
[INFO] tweaked toml for git repo https://github.com/kattrali/webkitten written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/kattrali/webkitten 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]  Downloading crates ...
[INFO] [stderr]   Downloaded hlua v0.1.9
[INFO] [stderr]   Downloaded lua52-sys v0.0.4
[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] ae8414fed541543dd26ace354dafae528ba6c8aa898e33c43e22b22fb5a3486d
[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" "ae8414fed541543dd26ace354dafae528ba6c8aa898e33c43e22b22fb5a3486d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae8414fed541543dd26ace354dafae528ba6c8aa898e33c43e22b22fb5a3486d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8414fed541543dd26ace354dafae528ba6c8aa898e33c43e22b22fb5a3486d", kill_on_drop: false }`
[INFO] [stdout] ae8414fed541543dd26ace354dafae528ba6c8aa898e33c43e22b22fb5a3486d
[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] 222acdf0a6ff04881fea368d2cc4ef9fbb9c88f37ffac5ef9593df95a6d6d39d
[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" "222acdf0a6ff04881fea368d2cc4ef9fbb9c88f37ffac5ef9593df95a6d6d39d", kill_on_drop: false }`
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]    Compiling webkitten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling lua52-sys v0.0.4
[INFO] [stderr]     Checking toml v0.1.30
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking hlua v0.1.9
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/script/lua.rs:115:71
[INFO] [stdout]     |
[INFO] [stdout] 115 |             LuaError::ReadError(err) => full_description.push_str(err.description()),
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/script/lua.rs:115:71
[INFO] [stdout]     |
[INFO] [stdout] 115 |             LuaError::ReadError(err) => full_description.push_str(err.description()),
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` 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 11.68s
[INFO] running `Command { std: "docker" "inspect" "222acdf0a6ff04881fea368d2cc4ef9fbb9c88f37ffac5ef9593df95a6d6d39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222acdf0a6ff04881fea368d2cc4ef9fbb9c88f37ffac5ef9593df95a6d6d39d", kill_on_drop: false }`
[INFO] [stdout] 222acdf0a6ff04881fea368d2cc4ef9fbb9c88f37ffac5ef9593df95a6d6d39d