[INFO] fetching crate xcompress 0.11.4...
[INFO] checking xcompress-0.11.4 against beta for pr-78714
[INFO] extracting crate xcompress 0.11.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate xcompress 0.11.4 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 xcompress 0.11.4
[INFO] finished tweaking crates.io crate xcompress 0.11.4
[INFO] tweaked toml for crates.io crate xcompress 0.11.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate xcompress 0.11.4 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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/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] bbc0c4a151d35756f605b0154f7e03f2f6fb715ef3a6906f3aa42bbefab3bcad
[INFO] running `Command { std: "docker" "start" "-a" "bbc0c4a151d35756f605b0154f7e03f2f6fb715ef3a6906f3aa42bbefab3bcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbc0c4a151d35756f605b0154f7e03f2f6fb715ef3a6906f3aa42bbefab3bcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc0c4a151d35756f605b0154f7e03f2f6fb715ef3a6906f3aa42bbefab3bcad", kill_on_drop: false }`
[INFO] [stdout] bbc0c4a151d35756f605b0154f7e03f2f6fb715ef3a6906f3aa42bbefab3bcad
[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: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] e0d9c42ec5268d0f3292ad61cd147f2ff2037db301d124ea7312c37c067ae894
[INFO] running `Command { std: "docker" "start" "-a" "e0d9c42ec5268d0f3292ad61cd147f2ff2037db301d124ea7312c37c067ae894", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling execute-command-tokens v0.1.1
[INFO] [stderr]     Checking byte-unit v4.0.4
[INFO] [stderr]     Checking concat-with v0.2.0
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]     Checking path-dedot v3.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking path-absolutize v3.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling execute-command-macro-impl v0.1.1
[INFO] [stderr]    Compiling educe v0.4.2
[INFO] [stderr]     Checking execute-command-macro v0.1.1
[INFO] [stderr]     Checking execute v0.2.5
[INFO] [stderr]     Checking scanner-rust v2.0.9
[INFO] [stderr]     Checking xcompress v0.11.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.55s
[INFO] running `Command { std: "docker" "inspect" "e0d9c42ec5268d0f3292ad61cd147f2ff2037db301d124ea7312c37c067ae894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d9c42ec5268d0f3292ad61cd147f2ff2037db301d124ea7312c37c067ae894", kill_on_drop: false }`
[INFO] [stdout] e0d9c42ec5268d0f3292ad61cd147f2ff2037db301d124ea7312c37c067ae894