[INFO] fetching crate p2panda-rs 0.1.0...
[INFO] checking p2panda-rs-0.1.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate p2panda-rs 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate p2panda-rs 0.1.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate p2panda-rs 0.1.0
[INFO] finished tweaking crates.io crate p2panda-rs 0.1.0
[INFO] tweaked toml for crates.io crate p2panda-rs 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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" "+195ad4830e11a544391abe296b146450dea8411b" "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-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c76fab0a8f16586ce2c599a8f1415269b46f4fb40ebd3430d4ba2a3a96ca7788
[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" "c76fab0a8f16586ce2c599a8f1415269b46f4fb40ebd3430d4ba2a3a96ca7788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c76fab0a8f16586ce2c599a8f1415269b46f4fb40ebd3430d4ba2a3a96ca7788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76fab0a8f16586ce2c599a8f1415269b46f4fb40ebd3430d4ba2a3a96ca7788", kill_on_drop: false }`
[INFO] [stdout] c76fab0a8f16586ce2c599a8f1415269b46f4fb40ebd3430d4ba2a3a96ca7788
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] d696ec2858d60c5af0145ea0c6c0efad979897e6f897a01e914b20ca006cc30e
[INFO] running `Command { std: "docker" "start" "-a" "d696ec2858d60c5af0145ea0c6c0efad979897e6f897a01e914b20ca006cc30e", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.65
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen v0.2.65
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.65
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.65
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.65
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking js-sys v0.3.42
[INFO] [stderr]     Checking p2panda-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.50
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.78s
[INFO] running `Command { std: "docker" "inspect" "d696ec2858d60c5af0145ea0c6c0efad979897e6f897a01e914b20ca006cc30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d696ec2858d60c5af0145ea0c6c0efad979897e6f897a01e914b20ca006cc30e", kill_on_drop: false }`
[INFO] [stdout] d696ec2858d60c5af0145ea0c6c0efad979897e6f897a01e914b20ca006cc30e