[INFO] fetching crate lz_diet 0.1.6...
[INFO] checking lz_diet-0.1.6 against beta for pr-78714
[INFO] extracting crate lz_diet 0.1.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lz_diet 0.1.6 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 lz_diet 0.1.6
[INFO] finished tweaking crates.io crate lz_diet 0.1.6
[INFO] tweaked toml for crates.io crate lz_diet 0.1.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate lz_diet 0.1.6 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b84408700294967ba4418ee871c626b4f3b1ff8ee0e9aa85d055e0ae82cd1ca8
[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" "b84408700294967ba4418ee871c626b4f3b1ff8ee0e9aa85d055e0ae82cd1ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b84408700294967ba4418ee871c626b4f3b1ff8ee0e9aa85d055e0ae82cd1ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84408700294967ba4418ee871c626b4f3b1ff8ee0e9aa85d055e0ae82cd1ca8", kill_on_drop: false }`
[INFO] [stdout] b84408700294967ba4418ee871c626b4f3b1ff8ee0e9aa85d055e0ae82cd1ca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] cdb27212eddf1a5b81cccaa1c05e834a1ec42ca84338cdf4a7ebe5a6bda857f8
[INFO] running `Command { std: "docker" "start" "-a" "cdb27212eddf1a5b81cccaa1c05e834a1ec42ca84338cdf4a7ebe5a6bda857f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking binary-tree v0.2.0
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking lz_diet v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.03s
[INFO] running `Command { std: "docker" "inspect" "cdb27212eddf1a5b81cccaa1c05e834a1ec42ca84338cdf4a7ebe5a6bda857f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb27212eddf1a5b81cccaa1c05e834a1ec42ca84338cdf4a7ebe5a6bda857f8", kill_on_drop: false }`
[INFO] [stdout] cdb27212eddf1a5b81cccaa1c05e834a1ec42ca84338cdf4a7ebe5a6bda857f8