[INFO] fetching crate webmachine-rust 0.2.2...
[INFO] checking webmachine-rust-0.2.2 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate webmachine-rust 0.2.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate webmachine-rust 0.2.2 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webmachine-rust 0.2.2
[INFO] finished tweaking crates.io crate webmachine-rust 0.2.2
[INFO] tweaked toml for crates.io crate webmachine-rust 0.2.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de433bb7d903d35731e0b4da0308b93fac9e441055308e53f57e0603c8e4807f
[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" "de433bb7d903d35731e0b4da0308b93fac9e441055308e53f57e0603c8e4807f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de433bb7d903d35731e0b4da0308b93fac9e441055308e53f57e0603c8e4807f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de433bb7d903d35731e0b4da0308b93fac9e441055308e53f57e0603c8e4807f", kill_on_drop: false }`
[INFO] [stdout] de433bb7d903d35731e0b4da0308b93fac9e441055308e53f57e0603c8e4807f
[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" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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] 239977d5848c29a6da6b2ae7c5e5cd8756b76f634e94f391f0902c8248cab475
[INFO] running `Command { std: "docker" "start" "-a" "239977d5848c29a6da6b2ae7c5e5cd8756b76f634e94f391f0902c8248cab475", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking expectest v0.12.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking hyper v0.14.5
[INFO] [stderr]     Checking webmachine-rust v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.22s
[INFO] running `Command { std: "docker" "inspect" "239977d5848c29a6da6b2ae7c5e5cd8756b76f634e94f391f0902c8248cab475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "239977d5848c29a6da6b2ae7c5e5cd8756b76f634e94f391f0902c8248cab475", kill_on_drop: false }`
[INFO] [stdout] 239977d5848c29a6da6b2ae7c5e5cd8756b76f634e94f391f0902c8248cab475