[INFO] fetching crate webbundle 0.1.4...
[INFO] checking webbundle-0.1.4 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate webbundle 0.1.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate webbundle 0.1.4 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webbundle 0.1.4
[INFO] finished tweaking crates.io crate webbundle 0.1.4
[INFO] tweaked toml for crates.io crate webbundle 0.1.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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] 6c4fcc698dca74c3ba5dec8f860e6babbcd38ffd15a5ee2cbf9de6b0fbf69aea
[INFO] running `Command { std: "docker" "start" "-a" "6c4fcc698dca74c3ba5dec8f860e6babbcd38ffd15a5ee2cbf9de6b0fbf69aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c4fcc698dca74c3ba5dec8f860e6babbcd38ffd15a5ee2cbf9de6b0fbf69aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4fcc698dca74c3ba5dec8f860e6babbcd38ffd15a5ee2cbf9de6b0fbf69aea", kill_on_drop: false }`
[INFO] [stdout] 6c4fcc698dca74c3ba5dec8f860e6babbcd38ffd15a5ee2cbf9de6b0fbf69aea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81a6cef81e4e7acf5b06fb9cf58666eeea896c9568312ec0668d53f6b8f6ee8f
[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" "81a6cef81e4e7acf5b06fb9cf58666eeea896c9568312ec0668d53f6b8f6ee8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking cbor_event v2.1.3
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking webbundle v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.82s
[INFO] running `Command { std: "docker" "inspect" "81a6cef81e4e7acf5b06fb9cf58666eeea896c9568312ec0668d53f6b8f6ee8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a6cef81e4e7acf5b06fb9cf58666eeea896c9568312ec0668d53f6b8f6ee8f", kill_on_drop: false }`
[INFO] [stdout] 81a6cef81e4e7acf5b06fb9cf58666eeea896c9568312ec0668d53f6b8f6ee8f