[INFO] crate ubuntu-version 0.2.1 is already in cache
[INFO] checking ubuntu-version-0.2.1 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] extracting crate ubuntu-version 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ubuntu-version 0.2.1 on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ubuntu-version 0.2.1
[INFO] finished tweaking crates.io crate ubuntu-version 0.2.1
[INFO] tweaked toml for crates.io crate ubuntu-version 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ubuntu-version 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 079b1140eac86c9ed502ec784cd5a6c25bdf3effcb8ea438748b4c2e439a7b50
[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" "079b1140eac86c9ed502ec784cd5a6c25bdf3effcb8ea438748b4c2e439a7b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "079b1140eac86c9ed502ec784cd5a6c25bdf3effcb8ea438748b4c2e439a7b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "079b1140eac86c9ed502ec784cd5a6c25bdf3effcb8ea438748b4c2e439a7b50", kill_on_drop: false }`
[INFO] [stdout] 079b1140eac86c9ed502ec784cd5a6c25bdf3effcb8ea438748b4c2e439a7b50
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cf7ec354f81e8a8729fa3890bf7ed50c4b44ff71fdd20b70c4d52d02e29133b
[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" "8cf7ec354f81e8a8729fa3890bf7ed50c4b44ff71fdd20b70c4d52d02e29133b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking os-release v0.1.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking ubuntu-version v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.58s
[INFO] running `Command { std: "docker" "inspect" "8cf7ec354f81e8a8729fa3890bf7ed50c4b44ff71fdd20b70c4d52d02e29133b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf7ec354f81e8a8729fa3890bf7ed50c4b44ff71fdd20b70c4d52d02e29133b", kill_on_drop: false }`
[INFO] [stdout] 8cf7ec354f81e8a8729fa3890bf7ed50c4b44ff71fdd20b70c4d52d02e29133b