[INFO] fetching crate mmrbi 0.0.11...
[INFO] checking mmrbi-0.0.11 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate mmrbi 0.0.11 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mmrbi 0.0.11 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mmrbi 0.0.11
[INFO] finished tweaking crates.io crate mmrbi 0.0.11
[INFO] tweaked toml for crates.io crate mmrbi 0.0.11 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mmrbi 0.0.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8681f568e9433dc52a2a02c8a052ddb39909168a848af7f6fe20f6eec336dd5f
[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" "8681f568e9433dc52a2a02c8a052ddb39909168a848af7f6fe20f6eec336dd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8681f568e9433dc52a2a02c8a052ddb39909168a848af7f6fe20f6eec336dd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8681f568e9433dc52a2a02c8a052ddb39909168a848af7f6fe20f6eec336dd5f", kill_on_drop: false }`
[INFO] [stdout] 8681f568e9433dc52a2a02c8a052ddb39909168a848af7f6fe20f6eec336dd5f
[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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] dbd8c23c983c128e9764e3744748a7e3d2b5720ff673c8572998d6ac6a1d7976
[INFO] running `Command { std: "docker" "start" "-a" "dbd8c23c983c128e9764e3744748a7e3d2b5720ff673c8572998d6ac6a1d7976", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking semver-parser v0.10.1
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking mmrbi v0.0.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.38s
[INFO] running `Command { std: "docker" "inspect" "dbd8c23c983c128e9764e3744748a7e3d2b5720ff673c8572998d6ac6a1d7976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd8c23c983c128e9764e3744748a7e3d2b5720ff673c8572998d6ac6a1d7976", kill_on_drop: false }`
[INFO] [stdout] dbd8c23c983c128e9764e3744748a7e3d2b5720ff673c8572998d6ac6a1d7976