[INFO] cloning repository https://github.com/felixzhuologist/wasm-chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/felixzhuologist/wasm-chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelixzhuologist%2Fwasm-chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelixzhuologist%2Fwasm-chip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 142be1e5453116ede305354f7919c1a2d0b14961
[INFO] checking felixzhuologist/wasm-chip8 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelixzhuologist%2Fwasm-chip8" "/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/felixzhuologist/wasm-chip8 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/felixzhuologist/wasm-chip8
[INFO] finished tweaking git repo https://github.com/felixzhuologist/wasm-chip8
[INFO] tweaked toml for git repo https://github.com/felixzhuologist/wasm-chip8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/felixzhuologist/wasm-chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cae358bfe54992192cfff5915cb0c62c216770b26cc475f791f4823162c6945
[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" "1cae358bfe54992192cfff5915cb0c62c216770b26cc475f791f4823162c6945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cae358bfe54992192cfff5915cb0c62c216770b26cc475f791f4823162c6945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cae358bfe54992192cfff5915cb0c62c216770b26cc475f791f4823162c6945", kill_on_drop: false }`
[INFO] [stdout] 1cae358bfe54992192cfff5915cb0c62c216770b26cc475f791f4823162c6945
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 167a3351edf14bd5fead6c95d3439206b64213e3e95097d8889c49f585e3771f
[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" "167a3351edf14bd5fead6c95d3439206b64213e3e95097d8889c49f585e3771f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.15
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.19
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.19
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.19
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.19
[INFO] [stderr]     Checking wasm-bindgen v0.2.19
[INFO] [stderr]     Checking js-sys v0.2.4
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.92s
[INFO] running `Command { std: "docker" "inspect" "167a3351edf14bd5fead6c95d3439206b64213e3e95097d8889c49f585e3771f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167a3351edf14bd5fead6c95d3439206b64213e3e95097d8889c49f585e3771f", kill_on_drop: false }`
[INFO] [stdout] 167a3351edf14bd5fead6c95d3439206b64213e3e95097d8889c49f585e3771f