[INFO] cloning repository https://github.com/richardanaya/webcomponent-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardanaya/webcomponent-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardanaya%2Fwebcomponent-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardanaya%2Fwebcomponent-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8067cfb475470110374ae7253492ab5103d3b11d
[INFO] checking richardanaya/webcomponent-rs against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardanaya%2Fwebcomponent-rs" "/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/richardanaya/webcomponent-rs on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/richardanaya/webcomponent-rs
[INFO] finished tweaking git repo https://github.com/richardanaya/webcomponent-rs
[INFO] tweaked toml for git repo https://github.com/richardanaya/webcomponent-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/richardanaya/webcomponent-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--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 anystring_macro v0.0.1
[INFO] [stderr]   Downloaded cstring v0.0.4
[INFO] [stderr]   Downloaded anystring v0.0.2
[INFO] [stderr]   Downloaded js_ffi v0.6.8
[INFO] [stderr]   Downloaded globals v1.0.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 332a4b1bd5e89124cc5dd86d50bc8374cc2b35d8ba3fa8749c440ceac4586e93
[INFO] running `Command { std: "docker" "start" "-a" "332a4b1bd5e89124cc5dd86d50bc8374cc2b35d8ba3fa8749c440ceac4586e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "332a4b1bd5e89124cc5dd86d50bc8374cc2b35d8ba3fa8749c440ceac4586e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "332a4b1bd5e89124cc5dd86d50bc8374cc2b35d8ba3fa8749c440ceac4586e93", kill_on_drop: false }`
[INFO] [stdout] 332a4b1bd5e89124cc5dd86d50bc8374cc2b35d8ba3fa8749c440ceac4586e93
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4db0075d28d95dbd3d2db0227f1a1dcb171f019c4278544e45c67cde0b407e9
[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" "f4db0075d28d95dbd3d2db0227f1a1dcb171f019c4278544e45c67cde0b407e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking globals v1.0.1
[INFO] [stderr]     Checking cstring v0.0.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling anystring_macro v0.0.1
[INFO] [stderr]     Checking anystring v0.0.2
[INFO] [stderr]     Checking js_ffi v0.6.8
[INFO] [stderr]     Checking webcomponent v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.02s
[INFO] running `Command { std: "docker" "inspect" "f4db0075d28d95dbd3d2db0227f1a1dcb171f019c4278544e45c67cde0b407e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4db0075d28d95dbd3d2db0227f1a1dcb171f019c4278544e45c67cde0b407e9", kill_on_drop: false }`
[INFO] [stdout] f4db0075d28d95dbd3d2db0227f1a1dcb171f019c4278544e45c67cde0b407e9