[INFO] fetching crate libsbxf 0.1.0...
[INFO] checking libsbxf-0.1.0 against beta for pr-78714
[INFO] extracting crate libsbxf 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libsbxf 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libsbxf 0.1.0
[INFO] finished tweaking crates.io crate libsbxf 0.1.0
[INFO] tweaked toml for crates.io crate libsbxf 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate libsbxf 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]   Downloaded chacha20poly1305 v0.5.1
[INFO] [stderr]   Downloaded sha2 v0.8.2
[INFO] [stderr]   Downloaded subtle v2.2.3
[INFO] [stderr]   Downloaded zeroize v1.1.0
[INFO] [stderr]   Downloaded chacha20 v0.4.3
[INFO] [stderr]   Downloaded stream-cipher v0.4.1
[INFO] [stderr]   Downloaded serde v1.0.114
[INFO] [stderr]   Downloaded aead v0.3.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded generic-array v0.14.2
[INFO] [stderr]   Downloaded block-buffer v0.7.3
[INFO] [stderr]   Downloaded serde_derive v1.0.114
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded universal-hash v0.4.0
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded typenum v1.12.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded block-padding v0.1.5
[INFO] [stderr]   Downloaded digest v0.8.1
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.0
[INFO] [stderr]   Downloaded bincode v1.3.1
[INFO] [stderr]   Downloaded clear_on_drop v0.2.4
[INFO] [stderr]   Downloaded poly1305 v0.6.0
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded version_check v0.9.2
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded syn v1.0.33
[INFO] [stderr]   Downloaded cc v1.0.57
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] adbc9ba6f2f8e5fc2d530360e67af3c1aa57629e3f3e30005135bc0c001ab292
[INFO] running `Command { std: "docker" "start" "-a" "adbc9ba6f2f8e5fc2d530360e67af3c1aa57629e3f3e30005135bc0c001ab292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adbc9ba6f2f8e5fc2d530360e67af3c1aa57629e3f3e30005135bc0c001ab292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adbc9ba6f2f8e5fc2d530360e67af3c1aa57629e3f3e30005135bc0c001ab292", kill_on_drop: false }`
[INFO] [stdout] adbc9ba6f2f8e5fc2d530360e67af3c1aa57629e3f3e30005135bc0c001ab292
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4695b79a97b89d4c17fc9f5ceff56fbfd880f28468f1c9798b5e7424a3be056f
[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" "4695b79a97b89d4c17fc9f5ceff56fbfd880f28468f1c9798b5e7424a3be056f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking typenum v1.12.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking stream-cipher v0.4.1
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking chacha20 v0.4.3
[INFO] [stderr]     Checking poly1305 v0.6.0
[INFO] [stderr]     Checking chacha20poly1305 v0.5.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking libsbxf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.66s
[INFO] running `Command { std: "docker" "inspect" "4695b79a97b89d4c17fc9f5ceff56fbfd880f28468f1c9798b5e7424a3be056f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4695b79a97b89d4c17fc9f5ceff56fbfd880f28468f1c9798b5e7424a3be056f", kill_on_drop: false }`
[INFO] [stdout] 4695b79a97b89d4c17fc9f5ceff56fbfd880f28468f1c9798b5e7424a3be056f