[INFO] cloning repository https://github.com/JakeChampion/wasm.polyfill.io
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JakeChampion/wasm.polyfill.io" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeChampion%2Fwasm.polyfill.io", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeChampion%2Fwasm.polyfill.io'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40f02929744578cde21897ad68a06298e2be1774
[INFO] checking JakeChampion/wasm.polyfill.io against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeChampion%2Fwasm.polyfill.io" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JakeChampion/wasm.polyfill.io on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JakeChampion/wasm.polyfill.io
[INFO] finished tweaking git repo https://github.com/JakeChampion/wasm.polyfill.io
[INFO] tweaked toml for git repo https://github.com/JakeChampion/wasm.polyfill.io written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JakeChampion/wasm.polyfill.io already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded querystring v1.1.0
[INFO] [stderr]   Downloaded fastly-shared v0.2.0-alpha2
[INFO] [stderr]   Downloaded fastly v0.2.0-alpha2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4c08d1d5659ed5040f01036815a36f7f749f40c38ca529d32e908ed75754717
[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" "c4c08d1d5659ed5040f01036815a36f7f749f40c38ca529d32e908ed75754717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4c08d1d5659ed5040f01036815a36f7f749f40c38ca529d32e908ed75754717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c08d1d5659ed5040f01036815a36f7f749f40c38ca529d32e908ed75754717", kill_on_drop: false }`
[INFO] [stdout] c4c08d1d5659ed5040f01036815a36f7f749f40c38ca529d32e908ed75754717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98ee46ff74b71c1ccd6fcd0833d02617b808ac834d25b5e80aa0718ae36089ef
[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" "98ee46ff74b71c1ccd6fcd0833d02617b808ac834d25b5e80aa0718ae36089ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking querystring v1.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking fastly-shared v0.2.0-alpha2
[INFO] [stderr]     Checking fastly v0.2.0-alpha2
[INFO] [stderr]     Checking polyfill_using_fastly_compute_at_edge v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.66s
[INFO] running `Command { std: "docker" "inspect" "98ee46ff74b71c1ccd6fcd0833d02617b808ac834d25b5e80aa0718ae36089ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ee46ff74b71c1ccd6fcd0833d02617b808ac834d25b5e80aa0718ae36089ef", kill_on_drop: false }`
[INFO] [stdout] 98ee46ff74b71c1ccd6fcd0833d02617b808ac834d25b5e80aa0718ae36089ef