[INFO] fetching crate webcomponent 0.6.1...
[INFO] checking webcomponent-0.6.1 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate webcomponent 0.6.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate webcomponent 0.6.1 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webcomponent 0.6.1
[INFO] finished tweaking crates.io crate webcomponent 0.6.1
[INFO] tweaked toml for crates.io crate webcomponent 0.6.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spin v0.7.1
[INFO] [stderr]   Downloaded callback v0.5.2
[INFO] [stderr]   Downloaded js v0.2.12
[INFO] [stderr]   Downloaded cstring v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 850148ae3673431a0d132ca6c2f2fcc610889c1f2d1597c8be228ed7e9fd52a3
[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" "850148ae3673431a0d132ca6c2f2fcc610889c1f2d1597c8be228ed7e9fd52a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "850148ae3673431a0d132ca6c2f2fcc610889c1f2d1597c8be228ed7e9fd52a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850148ae3673431a0d132ca6c2f2fcc610889c1f2d1597c8be228ed7e9fd52a3", kill_on_drop: false }`
[INFO] [stdout] 850148ae3673431a0d132ca6c2f2fcc610889c1f2d1597c8be228ed7e9fd52a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e45552c91b5353f28740b3894a139d100684846e65bf30ab7e65d8457a847004
[INFO] running `Command { std: "docker" "start" "-a" "e45552c91b5353f28740b3894a139d100684846e65bf30ab7e65d8457a847004", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]     Checking spin v0.7.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking callback v0.5.2
[INFO] [stderr]     Checking cstring v0.0.5
[INFO] [stderr]     Checking js v0.2.12
[INFO] [stderr]     Checking webcomponent v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "e45552c91b5353f28740b3894a139d100684846e65bf30ab7e65d8457a847004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e45552c91b5353f28740b3894a139d100684846e65bf30ab7e65d8457a847004", kill_on_drop: false }`
[INFO] [stdout] e45552c91b5353f28740b3894a139d100684846e65bf30ab7e65d8457a847004